fzus61 kbuf 070207
glflo 
expires:202604070900;;953085

open lake forecast for lake ontario
national weather service buffalo ny
1007 pm edt mon apr 6 2026

for waters beyond five nautical miles of shore on lake ontario

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...a 29.9 inch clipper low will cross lake ontario tonight, 
then will slide off the new england coast tuesday. a 30.6 inch high 
will then build from the central great lakes tuesday to the new 
england coastline wednesday, before moving southeast of nova scotia 
thursday. a cold front will cross the lake friday, with a 30.5 inch 
high then forecast to build east across the great lakes saturday.


loz063>065-070900-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1007 pm edt mon apr 6 2026

.rest of tonight...west winds 5 to 10 knots becoming northwest
and increasing to 15 to 20 knots. a chance of rain showers late
this evening, then rain and snow showers after midnight. waves
1 to 3 feet building to 2 to 4 feet. 
.tuesday...north winds to 30 knots becoming northwest 15 to
25 knots. snow showers early, then a chance of snow showers.
waves 3 to 6 feet building to 5 to 8 feet, then subsiding to 3 to
5 feet. waves occasionally around 10 feet. 
.tuesday night...west winds 15 to 20 knots becoming northwest
5 to 15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.wednesday...southwest winds 10 knots or less becoming east.
waves 2 feet or less. 
.wednesday night...southeast winds 10 to 15 knots becoming south
and increasing to 15 to 25 knots. waves 1 to 3 feet building to
3 to 6 feet. 
.thursday...south winds 15 to 25 knots. waves 3 to 6 feet. 
.friday...south winds 15 to 20 knots becoming northwest 5 to
15 knots. a chance of rain showers. waves 2 to 4 feet subsiding
to 2 feet or less. 
.saturday...northwest winds 5 to 15 knots becoming east. waves
1 to 3 feet subsiding to 1 foot or less. 

$$

fzus61 kbuf 070207
glflo 
expires:202604070900;;953084

open lake forecast for lake ontario
national weather service buffalo ny
1007 pm edt mon apr 6 2026

for waters beyond five nautical miles of shore on lake ontario

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...a 29.9 inch clipper low will cross lake ontario tonight, 
then will slide off the new england coast tuesday. a 30.6 inch high 
will then build from the central great lakes tuesday to the new 
england coastline wednesday, before moving southeast of nova scotia 
thursday. a cold front will cross the lake friday, with a 30.5 inch 
high then forecast to build east across the great lakes saturday.


loz062-070900-
lake ontario open waters from the niagara river to hamlin beach-
1007 pm edt mon apr 6 2026

.rest of tonight...west winds less than 10 knots increasing to
15 to 25 knots after midnight. a chance of rain and snow showers
late this evening, then rain and snow showers after midnight.
snow showers late. waves 2 feet or less building to 3 to 5 feet. 
.tuesday...northwest winds to 30 knots diminishing to 15 to
20 knots. snow showers likely early, then a chance of snow
showers late in the morning. waves 5 to 8 feet subsiding to 2 to
4 feet. waves occasionally around 10 feet. 
.tuesday night...northwest winds 15 to 20 knots becoming
southeast and diminishing to less than 10 knots overnight. waves
2 to 4 feet subsiding to 1 foot or less. 
.wednesday...southeast winds 10 knots or less becoming east 10 to
15 knots. waves 2 feet or less. 
.wednesday night...east winds 10 to 15 knots becoming south 15 to
20 knots. waves 1 to 3 feet building to 2 to 4 feet. 
.thursday...south winds 15 to 25 knots becoming southwest. a
chance of showers thursday night. waves 3 to 6 feet subsiding to
1 to 3 feet. 
.friday...southwest winds 5 to 10 knots becoming northwest. a
chance of rain showers. waves 2 feet or less. 
.saturday...northwest winds 10 knots or less becoming northeast.
waves 2 feet or less. 

$$

fzus61 kcle 070738
glfle 
expires:202604071415;;966189

open lake forecast for lake erie
national weather service cleveland oh
338 am edt tue apr 7 2026

for waters beyond five nautical miles of shore on lake erie

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...
high pressure 30.60 inches will build across the area today and
slowly drift eastward into wednesday. low pressure 29.70 inches 
will move northeast across the northern great lakes, lifting a 
warm front north late wednesday. a cold front will move across the
lake on friday with high pressure 30.40 inches building into the
region on saturday. 


lez163>166-071415-
reno beach to the islands oh beyond 5nm off shoreline to us-
canadian border-
the islands to vermilion oh beyond 5 nm off shoreline to us-
canadian border-
vermilion to avon point oh beyond 5 nm off shoreline to us-
canadian border-
avon point to willowick oh beyond 5 nm off shoreline to us-
canadian border-
338 am edt tue apr 7 2026

.today...northwest winds 15 to 20 knots becoming north 5 to
15 knots. waves 4 to 7 feet subsiding to 1 to 3 feet. waves
occasionally around 9 feet. 
.tonight...northeast winds 5 to 15 knots becoming southeast.
waves 2 feet or less. 
.wednesday...southeast winds 5 to 15 knots. waves 2 feet or less.
.wednesday night...southeast winds 10 to 15 knots becoming south
and increasing to 15 to 25 knots. waves 1 to 2 feet building to
3 to 5 feet. 
.thursday...south winds 15 to 25 knots diminishing to 10 to
15 knots. a chance of showers. waves 3 to 5 feet subsiding to
1 to 3 feet. 
.friday...south winds 5 to 10 knots becoming north. showers
likely during the day. waves 2 feet or less. 
.saturday...northeast winds 5 to 10 knots becoming east. waves
2 feet or less. 

$$

fzus61 kcle 070738
glfle 
expires:202604071415;;966190

open lake forecast for lake erie
national weather service cleveland oh
338 am edt tue apr 7 2026

for waters beyond five nautical miles of shore on lake erie

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...
high pressure 30.60 inches will build across the area today and
slowly drift eastward into wednesday. low pressure 29.70 inches 
will move northeast across the northern great lakes, lifting a 
warm front north late wednesday. a cold front will move across the
lake on friday with high pressure 30.40 inches building into the
region on saturday. 


lez061-167>169-071415-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-willowick to geneva-on-the-
lake oh beyond 5nm off shoreline to us-canadian border-geneva-on-
the-lake to conneaut oh beyond 5 nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
338 am edt tue apr 7 2026

.today...northwest winds 15 to 20 knots diminishing to 5 to
15 knots. a chance of snow showers early. waves 5 to 8 feet
subsiding to 1 to 3 feet. waves occasionally around 10 feet. 
.tonight...north winds 10 knots or less becoming southeast. waves
2 feet or less. 
.wednesday...southeast winds 5 to 10 knots becoming east. waves
1 foot or less. 
.wednesday night...southeast winds 5 to 15 knots becoming south
15 to 20 knots. waves 1 to 3 feet building to 3 to 5 feet. 
.thursday...south winds 15 to 20 knots diminishing to 5 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.friday...south winds 10 knots or less becoming north. rain
showers likely during the day. waves 2 feet or less. 
.saturday...north winds 10 knots or less becoming east. waves
2 feet or less. 

$$

fzus61 kcle 070738
glfle 
expires:202604071415;;966188

open lake forecast for lake erie
national weather service cleveland oh
338 am edt tue apr 7 2026

for waters beyond five nautical miles of shore on lake erie

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...
high pressure 30.60 inches will build across the area today and
slowly drift eastward into wednesday. low pressure 29.70 inches 
will move northeast across the northern great lakes, lifting a 
warm front north late wednesday. a cold front will move across the
lake on friday with high pressure 30.40 inches building into the
region on saturday. 


lez162-071415-
detroit river lt. to maumee bay oh to reno beach oh beyond 5nm
offshoreline to us-canadian border-
338 am edt tue apr 7 2026

.today...northwest winds 5 to 15 knots becoming northeast. waves
1 to 3 feet subsiding to 1 foot or less. 
.tonight...east winds 5 to 10 knots becoming southeast. waves
2 feet or less. 
.wednesday...southeast winds around 10 knots. waves 1 to 2 feet. 
.wednesday night...southeast winds 10 to 15 knots becoming south
15 to 20 knots. waves 1 to 3 feet. 
.thursday...south winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of showers. waves 1 to 3 feet. 
.friday...southwest winds 5 to 10 knots becoming northeast.
showers likely during the day. waves 1 foot or less. 
.saturday...northeast winds 5 to 10 knots becoming east. waves
1 to 2 feet. 

$$

fzus63 kdtx 070733
glflh 
expires:202604071545;;965943

open lake forecast for lake huron
national weather service detroit/pontiac mi
333 am edt tue apr 7 2026

for waters beyond five nautical miles off shore on lake huron

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...low pressure, 30.00 inches, drags a cold front across
the great lakes tonight. a brief period of gale force gusts will
be possible late this evening before high pressure, 30.60 inches,
ensures calmer conditions tuesday. unsettled weather returns mid-
week with gusty winds and rain expected.


lhz363-462-071545-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
lake huron from port austin to harbor beach beyond 5nm off shore-
333 am edt tue apr 7 2026

.today...north winds 20 to 25 knots with gusts to around 30 knots
decreasing to 5 to 10 knots. waves 8 to 12 feet subsiding to 4 to
6 feet in the afternoon. waves occasionally around 15 feet. 
.tonight...southeast winds 5 to 10 knots becoming south 10 to
15 knots after midnight. waves 1 to 3 feet building to 2 to
4 feet early in the morning. 
.wednesday...south winds 15 to 20 knots. gusts to 30 knots early
in the afternoon. waves 4 to 6 feet. 
.wednesday night...south winds 20 to 25 knots with gusts to
around 30 knots. a chance of rain after midnight. waves 6 to
9 feet. waves occasionally around 12 feet. 
.thursday...south winds 15 to 20 knots with gusts to around
30 knots becoming west 10 to 15 knots late in the afternoon. a
chance of rain. a chance of rain late in the evening. waves 6 to
9 feet subsiding to 2 to 4 feet late in the evening. waves
occasionally around 12 feet. 
.friday...north winds 5 to 10 knots. a chance of rain early in
the morning. waves 2 feet or less. 
.saturday...north winds 5 to 10 knots veering to the southeast by
midnight. waves 1 to 3 feet. 


$$

fzus63 kdtx 070733
glfsc 
expires:202604071545;;965946

lake st clair forecast
national weather service detroit/pontiac mi
333 am edt tue apr 7 2026

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...low pressure, 30.00 inches, drags a cold front across
the great lakes tonight. a brief period of gale force gusts will
be possible late this evening before high pressure, 30.60 inches,
ensures calmer conditions tuesday. unsettled weather returns mid-
week with gusty winds and rain expected.


lcz460-071545-
lake st clair-
333 am edt tue apr 7 2026

.today...northwest winds 15 to 20 knots becoming north 5 to 10
knots. partly sunny in the morning then clearing. waves 2 feet or
less.
.tonight...east winds 5 to 10 knots veering to the southeast after
midnight. clear. waves 2 feet or less.
.wednesday...southeast winds 10 to 15 knots. mostly sunny. waves 2
feet or less.
.wednesday night...south winds 10 to 15 knots increasing to 15 to 20
knots in the late evening and overnight. mostly clear. waves 1 to 3
feet.
.thursday...southwest winds 15 to 20 knots diminishing to 10 to 15
knots in the evening. partly sunny with a chance of light
rain...then partly cloudy in the evening. waves 1 to 3 feet.
.friday...north winds 5 to 10 knots. mostly cloudy with light rain
likely. waves 2 feet or less.
.saturday...east winds 5 to 10 knots. mostly clear. waves 2 feet or
less.

$$

fzus63 kdtx 070733
glflh 
expires:202604071545;;965942

open lake forecast for lake huron
national weather service detroit/pontiac mi
333 am edt tue apr 7 2026

for waters beyond five nautical miles off shore on lake huron

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...low pressure, 30.00 inches, drags a cold front across
the great lakes tonight. a brief period of gale force gusts will
be possible late this evening before high pressure, 30.60 inches,
ensures calmer conditions tuesday. unsettled weather returns mid-
week with gusty winds and rain expected.


lhz361-362-071545-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
333 am edt tue apr 7 2026

.today...north winds 15 to 20 knots decreasing to 10 to 15 knots
late in the morning...then backing to the west in the afternoon.
waves 8 to 12 feet subsiding to 1 to 3 feet. waves occasionally
around 15 feet. 
.tonight...west winds 5 to 10 knots backing to the south late in
the evening...then increasing to 10 to 15 knots after midnight.
waves 1 to 3 feet building to 3 to 5 feet early in the morning. 
.wednesday...south winds 15 to 20 knots increasing to 20 to
25 knots with gusts to around 30 knots in the late morning and
afternoon. a chance of snow. waves 5 to 7 feet building to 8 to
12 feet early in the afternoon. waves occasionally around
15 feet. 
.wednesday night...southeast winds 20 to 25 knots becoming south
to 30 knots by midnight...then decreasing to 20 to 25 knots after
midnight. gusts to 35 knot gales. rain likely after midnight.
waves 10 to 14 feet. waves occasionally around 18 feet. 
.thursday...southwest winds 15 to 20 knots becoming west 10 to
15 knots late in the afternoon...then becoming northwest 5 to
10 knots late in the evening. waves 8 to 12 feet subsiding to
4 to 6 feet late in the afternoon. waves occasionally around
15 feet. 
.friday...light and variable winds becoming north 5 to 10 knots
until early evening...then backing to the northwest by midnight.
waves 2 feet or less. 
.saturday...northwest winds 5 to 10 knots backing to the west in
the late morning and early afternoon...then veering to the west
5 to 10 knots early in the evening becoming southeast 10 to
15 knots by midnight. a chance of. waves 1 to 3 feet. 


$$

fzus63 kdtx 070733
glflh 
expires:202604071545;;965944

open lake forecast for lake huron
national weather service detroit/pontiac mi
333 am edt tue apr 7 2026

for waters beyond five nautical miles off shore on lake huron

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...low pressure, 30.00 inches, drags a cold front across
the great lakes tonight. a brief period of gale force gusts will
be possible late this evening before high pressure, 30.60 inches,
ensures calmer conditions tuesday. unsettled weather returns mid-
week with gusty winds and rain expected.


lhz463-464-071545-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
333 am edt tue apr 7 2026

.today...northwest winds 20 to 25 knots with gusts to around
30 knots becoming northwest 20 to 25 knots. waves 10 to 14 feet
subsiding to 4 to 6 feet in the afternoon. waves occasionally
around 18 feet. 
.tonight...northeast winds 5 to 10 knots veering to the east late
in the evening...then becoming south 10 to 15 knots after
midnight. waves 2 to 4 feet subsiding to 1 to 3 feet in the late
evening and overnight. 
.wednesday...south winds 10 to 15 knots increasing to 15 to
20 knots in the late morning and afternoon. waves 3 to 5 feet. 
.wednesday night...south winds 15 to 20 knots increasing to 20 to
25 knots in the late evening and overnight. gusts to 30 knots.
waves 6 to 9 feet. waves occasionally around 12 feet. 
.thursday...south winds 20 to 25 knots with gusts to around
30 knots becoming southwest 15 to 20 knots late in the morning...
then decreasing to 10 to 15 knots late in the afternoon becoming
north 5 to 10 knots late in the evening. a chance of rain. a
chance of rain late in the evening. waves 5 to 7 feet subsiding
to 1 to 3 feet late in the evening. waves occasionally around
10 feet. 
.friday...north winds 5 to 10 knots. a chance of rain early in
the morning. waves 1 to 3 feet. 
.saturday...north winds 5 to 10 knots veering to the northeast by
midnight. waves 1 to 3 feet. 


$$

fzus63 kmkx 070800
glflm 
expires:202604071515;;966784

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
300 am cdt tue apr 7 2026

for waters beyond five nautical miles of shore on lake michigan.

waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the wave, along with the
average height of the highest 10% of the waves which will
occasionally be encountered.

.synopsis...

gusty northerly winds will decrease through the morning as high 
pressure around 30.6 inches moves across central lake michigan 
into the early afternoon. low pressure around 29.5 inches will 
then track along the northern plains/canadian border tonight and 
wednesday, then track north of lake superior wednesday night into 
thursday morning. this will result in breezy southerly winds over
lake michigan on wednesday with gale force gusts up to 40 kt. a
gale watch is in effect for the northern three quarters of the
lake. 

much weaker winds will then take hold by thursday afternoon into
friday as high pressure around 30.4 inches slowly moves through 
the region.


lmz261-362-364-366-563-565-567-868-071515-
lake michigan from seul choix point to rock island passage 5 nm
offshore to mid lake-
lake michigan south of a line from seul choix point to the
mackinac bridge and north of a line from charlevoix mi to south
fox island 5 nm offshore-
lake michigan from charlevoix to point betsie mi 5 nm offshore to
mid lake-
lake michigan from point betsie to manistee mi 5 nm offshore to
mid lake-
lake michigan from rock island passage to sturgeon bay wi-
lake michigan from sturgeon bay to two rivers wi 5 nm offshore to
mid lake-
lake michigan from two rivers to sheboygan wi 5 nm offshore to
mid lake-
lake michigan from pentwater to manistee mi 5 nm offshore to mid
lake-
300 am cdt tue apr 7 2026

sheboygan wi to pentwater mi north...

...gale watch in effect from wednesday morning through late
wednesday night...

.today...north winds 10 to 15 kt backing to southwest 10 to
20 kt. waves 4 to 6 ft occasionally to 8 ft subsiding to 1 to
3 ft. 
.tonight...south winds 10 to 15 kt increasing to 15 to 25 kt.
waves 1 to 3 ft building to 4 to 7 ft occasionally to 9 ft. 
.wednesday...south winds to 30 kt increasing to gales to 35 kt by
mid morning. chance of rain and snow showers in the morning. 
waves 7 to 10 ft occasionally to 13 ft building to 12 to 16 ft 
occasionally to 21 ft. 
.wednesday night...south gales to 40 kt becoming southwest. rain
showers in the evening, then chance of rain showers overnight.
waves 12 to 16 ft occasionally to 21 ft. 
.thursday...southwest winds to 30 kt. waves 5 to 8 ft
occasionally to 10 ft subsiding to 4 to 6 ft occasionally to
8 ft. 
.thursday night...northwest winds 10 to 20 kt veering to
northeast 10 to 15 kt. chance of rain showers. waves 2 to 4 ft
subsiding to 1 to 2 ft. 
.friday...north winds 10 to 15 kt. waves 1 to 2 ft. 
.saturday...south winds 5 to 10 kt increasing to 10 to 15 kt.
waves 1 to 2 ft.  

$$

fzus63 kmkx 070800
glflm 
expires:202604071515;;966785

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
300 am cdt tue apr 7 2026

for waters beyond five nautical miles of shore on lake michigan.

waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the wave, along with the
average height of the highest 10% of the waves which will
occasionally be encountered.

.synopsis...

gusty northerly winds will decrease through the morning as high 
pressure around 30.6 inches moves across central lake michigan 
into the early afternoon. low pressure around 29.5 inches will 
then track along the northern plains/canadian border tonight and 
wednesday, then track north of lake superior wednesday night into 
thursday morning. this will result in breezy southerly winds over
lake michigan on wednesday with gale force gusts up to 40 kt. a
gale watch is in effect for the northern three quarters of the
lake. 

much weaker winds will then take hold by thursday afternoon into
friday as high pressure around 30.4 inches slowly moves through 
the region.


lmz669-671-673-870-872-874-071515-
lake michigan from sheboygan to port washington wi 5 nm offshore
to mid lake-
lake michigan from port washington to north point light wi 5 nm
offshore to mid lake-
lake michigan from north point light to wind point wi 5 nm
offshore to mid lake-
lake michigan from whitehall to pentwater mi 5 nm offshore to mid
lake-
lake michigan from grand haven to whitehall mi 5 nm offshore to
mid lake-
lake michigan from holland to grand haven mi 5 nm offshore to mid
lake-
300 am cdt tue apr 7 2026

sheboygan wi to pentwater mi south to wind point wi to holland
mi...

...gale watch in effect from wednesday morning through late
wednesday night...

.today...north winds 10 to 20 kt diminishing to 5 to 10 kt late
this morning, then becoming north 5 to 10 kt early this afternoon
becoming east late. waves 4 to 7 ft occasionally to 9 ft
subsiding to 1 to 3 ft. 
.tonight...south winds 10 to 15 kt increasing to 15 to 25 kt.
slight chance of snow showers overnight. waves 1 to 3 ft building
to 4 to 7 ft occasionally to 9 ft. 
.wednesday...south winds to 30 kt increasing to gales to 35 kt by
mid morning. waves 7 to 10 ft occasionally to 13 ft building to 
10 to 14 ft occasionally to 18 ft. 
.wednesday night...south gales to 35 kt becoming southwest. rain
showers in the evening, then rain showers likely overnight. waves
10 to 14 ft occasionally to 18 ft. 
.thursday...southwest winds 15 to 25 kt. waves 5 to 8 ft
occasionally to 10 ft subsiding to 3 to 5 ft. 
.thursday night...south winds 10 to 20 kt backing to northeast
10 to 15 kt. chance of rain showers. waves 1 to 3 ft subsiding to
1 to 2 ft. 
.friday...north winds 10 to 15 kt. chance of rain showers. waves
1 to 2 ft. 
.saturday...east winds 5 to 10 kt becoming southeast. waves 1 to
2 ft.  

$$

fzus63 kmkx 070800
glflm 
expires:202604071515;;966786

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
300 am cdt tue apr 7 2026

for waters beyond five nautical miles of shore on lake michigan.

waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the wave, along with the
average height of the highest 10% of the waves which will
occasionally be encountered.

.synopsis...

gusty northerly winds will decrease through the morning as high 
pressure around 30.6 inches moves across central lake michigan 
into the early afternoon. low pressure around 29.5 inches will 
then track along the northern plains/canadian border tonight and 
wednesday, then track north of lake superior wednesday night into 
thursday morning. this will result in breezy southerly winds over
lake michigan on wednesday with gale force gusts up to 40 kt. a
gale watch is in effect for the northern three quarters of the
lake. 

much weaker winds will then take hold by thursday afternoon into
friday as high pressure around 30.4 inches slowly moves through 
the region.


lmz080-675-777-779-876-878-071515-
lake michigan from michigan city in to st. joseph mi 5 nm
offshore to mid lake-
lake michigan from wind point wi to winthrop harbor il 5 nm
offshore to mid lake-
lake michigan from winthrop harbor to wilmette harbor il 5 nm
offshore to mid lake-
lake michigan from wilmette harbor il to michigan city in 5 nm
offshore to mid lake-
lake michigan from south haven to holland mi 5 nm offshore to mid
lake-
lake michigan from st. joseph to south haven mi 5 nm offshore to
mid lake-
300 am cdt tue apr 7 2026

wind point wi to holland mi south...

.today...north winds 10 to 15 kt becoming northeast. waves 5 to
8 ft occasionally to 10 ft subsiding to 2 to 4 ft. 
.tonight...northeast winds 5 to 10 kt becoming southeast late in
the evening, then becoming 10 to 20 kt after midnight and increasing
to 15 to 25 kt late. waves 1 to 3 ft building to 3 to 5 ft. 
.wednesday...south winds to 30 kt. waves 5 to 8 ft occasionally
to 10 ft. 
.wednesday night...south winds to 30 kt. chance of showers in the
evening, then showers likely overnight. waves 6 to 9 ft
occasionally to 12 ft. 
.thursday...southwest winds 15 to 25 kt. chance of rain showers
in the morning. waves 4 to 7 ft occasionally to 9 ft subsiding to
2 to 4 ft. 
.thursday night...south winds 10 to 15 kt becoming southeast.
rain showers likely. waves 1 to 2 ft. 
.friday...north winds 10 to 15 kt. chance of rain showers. waves
1 to 2 ft. 
.saturday...east winds 5 to 10 kt becoming northeast. waves 1 to
2 ft.  

$$

fzus63 kmkx 070157
glflm 
expires:202604070915;;952731

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
857 pm cdt mon apr 6 2026

for waters beyond five nautical miles of shore on lake michigan.

waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the wave, along with the
average height of the highest 10% of the waves which will
occasionally be encountered.

.synopsis...

gusty north to northwest winds over northern portions of the lake
will decrease overnight into tuesday, as high pressure around 
30.6 inches moves across central lake michigan tuesday morning 
into the early afternoon. gusty northeast to north winds over 
southern portions of the lake will also decrease during this 
period. 

low pressure around 29.5 inches will then track along the 
canadian border tuesday night and wednesday, then track north of 
lake superior wednesday night into thursday morning. this will 
result in breezy south winds, which may increase to gale force. 

much weaker winds will then take hold by thursday afternoon into
friday, as high pressure around 30.4 inches slowly moves through
the region. 


lmz080-669-671-673-675-777-779-870-872-874-876-878-070915-
lake michigan from michigan city in to st. joseph mi 5 nm
offshore to mid lake-
lake michigan from sheboygan to port washington wi 5 nm offshore
to mid lake-
lake michigan from port washington to north point light wi 5 nm
offshore to mid lake-
lake michigan from north point light to wind point wi 5 nm
offshore to mid lake-
lake michigan from wind point wi to winthrop harbor il 5 nm
offshore to mid lake-
lake michigan from winthrop harbor to wilmette harbor il 5 nm
offshore to mid lake-
lake michigan from wilmette harbor il to michigan city in 5 nm
offshore to mid lake-
lake michigan from whitehall to pentwater mi 5 nm offshore to mid
lake-
lake michigan from grand haven to whitehall mi 5 nm offshore to
mid lake-
lake michigan from holland to grand haven mi 5 nm offshore to mid
lake-
lake michigan from south haven to holland mi 5 nm offshore to mid
lake-
lake michigan from st. joseph to south haven mi 5 nm offshore to
mid lake-
857 pm cdt mon apr 6 2026

sheboygan wi to pentwater mi south...

.rest of tonight...north winds to 30 kt diminishing to 15 to
25 kt. scattered snow showers through early evening, then
isolated snow showers overnight. waves 8 to 11 ft occasionally to
14 ft subsiding to 6 to 9 ft occasionally to 12 ft. 
.tuesday...north winds 10 to 20 kt diminishing to 5 to 10 kt late
in the morning, then becoming northeast early in the afternoon
becoming northeast 5 to 10 kt late. waves 5 to 8 ft occasionally
to 10 ft subsiding to 2 to 4 ft. 
.tuesday night...southeast winds 10 to 15 kt increasing to 10 to
20 kt after midnight, then becoming south 15 to 25 kt late. waves
1 to 3 ft building to 4 to 7 ft occasionally to 9 ft. 
.wednesday...south winds to 30 kt increasing to gales to 35 kt.
waves 10 to 14 ft occasionally to 18 ft. 
.wednesday night...south gales to 35 kt. chance of rain showers
in the evening, then rain showers likely overnight. waves 10 to
14 ft occasionally to 18 ft. 
.thursday...southwest winds to 30 kt diminishing to 15 to 25 kt.
chance of rain showers. waves 7 to 10 ft occasionally to 13 ft
subsiding to 4 to 6 ft occasionally to 8 ft. 
.thursday night...south winds 10 to 20 kt backing to east 10 to
15 kt. chance of rain showers. waves 2 to 4 ft subsiding to 1 to
3 ft. 
.friday...north winds 10 to 15 kt. chance of rain showers. waves
1 to 3 ft. 
.saturday...east winds 10 to 15 kt becoming northeast 5 to 10 kt.
waves 1 to 3 ft.  

$$

fzus63 kmqt 070801
glfls 
expires:202604072000;;966836

open lake forecast for lake superior
national weather service marquette mi
400 am edt tue apr 7 2026

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis...

a strong 30.5 inch high pressure will traverse the great lakes today 
reaching new england by wednesday afternoon. meanwhile, a 29.5 inch 
low will organize along the montana/saskatchewan border. this low 
moves over the dakotas wednesday night before moving north of the 
lake through thursday morning. high pressure of 30.4 inches then 
moves over the upper great lakes friday, building to 30.5 inches 
saturday. on sunday low pressure will develop in the lee of the 
rockies while the 30.5 inch high pushes off to the east coast.



lsz264-072000-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
400 am edt tue apr 7 2026

.early this morning...northwest winds 5 to 15 knots. waves 2 to
4 feet subsiding to 1 to 3 feet. 
.today...west winds 5 to 15 knots increasing to 10 to 20 knots in
the afternoon, then backing southwest late. waves building to
2 to 4 feet. 
.tonight...south winds 5 to 15 knots increasing to 15 to
25 knots. a chance of snow showers after midnight. waves
subsiding to 1 to 3 feet, then building to 3 to 6 feet
occasionally to 8 feet. 
.wednesday...south winds 20 to 30 knots backing southeast in the
afternoon. freezing rain through early afternoon. rain and snow
showers. waves building to 7 to 10 feet occasionally to 13 feet. 
.wednesday night...southwest winds 20 to 30 knots. a chance of
rain showers through midnight. waves building to 8 to 11 feet
occasionally to 14 feet, then subsiding to 5 to 8 feet
occasionally to 10 feet. 
.thursday...west winds 20 to 30 knots. waves building to 7 to
10 feet occasionally to 13 feet, then subsiding to 3 to 6 feet
occasionally to 8 feet. 
.thursday night...west winds 5 to 15 knots becoming northwest
less than 10 knots after midnight. waves subsiding to calm to
2 feet. 
.friday...west winds 5 to 15 knots. waves calm to 2 feet. 
.saturday...south winds 5 to 15 knots becoming southeast 20 to
30 knots. rain showers likely. waves building to 4 to 7 feet
occasionally to 9 feet. 

$$

fzus63 kmqt 070801
glfls 
expires:202604072000;;966837

open lake forecast for lake superior
national weather service marquette mi
400 am edt tue apr 7 2026

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis...

a strong 30.5 inch high pressure will traverse the great lakes today 
reaching new england by wednesday afternoon. meanwhile, a 29.5 inch 
low will organize along the montana/saskatchewan border. this low 
moves over the dakotas wednesday night before moving north of the 
lake through thursday morning. high pressure of 30.4 inches then 
moves over the upper great lakes friday, building to 30.5 inches 
saturday. on sunday low pressure will develop in the lee of the 
rockies while the 30.5 inch high pushes off to the east coast.



lsz265-072000-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
400 am edt tue apr 7 2026

.early this morning...northwest winds 10 to 20 knots. waves 3 to
5 feet occasionally to 7 feet subsiding to 2 to 4 feet. 
.today...west winds 10 to 20 knots backing southwest late. waves
subsiding to calm to 2 feet. 
.tonight...south winds 10 to 20 knots increasing to 20 to
30 knots after midnight. a chance of snow showers after midnight.
waves building to 3 to 6 feet occasionally to 8 feet. 
.wednesday...south winds 20 to 30 knots increasing to 30 knots
with a few gale force gusts to 35 knots possible in the
afternoon. snow showers, possibly mixed with freezing rain
through early afternoon. rain showers. waves building to 6 to
9 feet occasionally to 11 feet. 
.wednesday night...southwest winds 20 to 30 knots. a chance of
rain showers through midnight. waves subsiding to 3 to 5 feet
occasionally to 7 feet. 
.thursday...west gales to 35 knots diminishing to 20 to 30 knots
by mid afternoon. waves building to 3 to 6 feet occasionally to
8 feet, then subsiding to 2 to 4 feet. 
.thursday night...west winds 10 to 20 knots. waves subsiding to
calm to 2 feet. 
.friday...west winds 10 to 20 knots becoming southwest 5 to
15 knots. waves calm to 2 feet. 
.saturday...southeast winds 10 to 20 knots increasing to 20 to
30 knots. rain showers likely. waves building to 4 to 7 feet
occasionally to 9 feet. 

$$

fzus63 kmqt 070801
glfls 
expires:202604072000;;966835

open lake forecast for lake superior
national weather service marquette mi
400 am edt tue apr 7 2026

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis...

a strong 30.5 inch high pressure will traverse the great lakes today 
reaching new england by wednesday afternoon. meanwhile, a 29.5 inch 
low will organize along the montana/saskatchewan border. this low 
moves over the dakotas wednesday night before moving north of the 
lake through thursday morning. high pressure of 30.4 inches then 
moves over the upper great lakes friday, building to 30.5 inches 
saturday. on sunday low pressure will develop in the lee of the 
rockies while the 30.5 inch high pushes off to the east coast.



lsz263-072000-
lake superior from saxon harbor wi to upper entrance to portage
canal mi 5nm off shore to the us/canadian border including isle
royale national park-
400 am edt tue apr 7 2026

.early this morning...northwest winds 5 to 15 knots. waves 1 to
3 feet subsiding to calm to 2 feet. 
.today...west winds 5 to 15 knots increasing to 10 to 20 knots in
the afternoon, then backing southwest late. waves building to
2 to 4 feet. 
.tonight...southeast winds 5 to 15 knots becoming south 10 to
20 knots after midnight. a chance of snow showers, possibly mixed
with rain after midnight. waves subsiding to calm to 2 feet, then
building to 3 to 5 feet occasionally to 7 feet. 
.wednesday...south winds 10 to 20 knots increasing to 15 to
25 knots in the afternoon. snow showers likely, possibly mixed
with rain showers through early afternoon, then rain showers,
possibly mixed with snow by mid afternoon. waves building to 4 to
7 feet occasionally to 9 feet. 
.wednesday night...southwest winds 15 to 25 knots increasing to
20 to 30 knots after midnight. a chance of rain showers through
midnight. waves subsiding to 3 to 6 feet occasionally to 8 feet,
then building to 5 to 8 feet occasionally to 10 feet. 
.thursday...west winds 20 to 30 knots diminishing to 15 to
25 knots by mid afternoon. waves building to 6 to 9 feet
occasionally to 11 feet, then subsiding to 3 to 6 feet
occasionally to 8 feet. 
.thursday night...west winds 5 to 15 knots becoming northwest
less than 10 knots after midnight. waves subsiding to calm to
2 feet. 
.friday...west winds 5 to 15 knots backing southwest. waves calm
to 2 feet. 
.saturday...south winds 5 to 15 knots becoming southeast 15 to
25 knots. rain showers likely. waves building to 3 to 5 feet
occasionally to 7 feet. 

$$

fzus63 kmqt 070801
glfls 
expires:202604072000;;966839

open lake forecast for lake superior
national weather service marquette mi
400 am edt tue apr 7 2026

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis...

a strong 30.5 inch high pressure will traverse the great lakes today 
reaching new england by wednesday afternoon. meanwhile, a 29.5 inch 
low will organize along the montana/saskatchewan border. this low 
moves over the dakotas wednesday night before moving north of the 
lake through thursday morning. high pressure of 30.4 inches then 
moves over the upper great lakes friday, building to 30.5 inches 
saturday. on sunday low pressure will develop in the lee of the 
rockies while the 30.5 inch high pushes off to the east coast.



lsz267-072000-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
400 am edt tue apr 7 2026

...gale watch in effect from wednesday morning through late
wednesday night...

.early this morning...northwest winds 10 to 20 knots. a slight
chance of snow showers. waves 3 to 6 feet occasionally to 8 feet.
.today...northwest winds 10 to 20 knots becoming west 15 to
25 knots in the afternoon, then diminishing to 5 to 15 knots
late. waves subsiding to 1 to 3 feet. 
.tonight...south winds 5 to 15 knots increasing to 15 to 25 knots
after midnight. waves building to 3 to 5 feet occasionally to
7 feet. 
.wednesday...south winds 20 to 30 knots increasing to gales to
35 knots in the afternoon. a slight chance of rain showers and
freezing rain through early afternoon. snow showers. rain showers
by mid afternoon. waves building to 6 to 9 feet occasionally to
11 feet. 
.wednesday night...south gales to 35 knots becoming southwest
20 to 30 knots after midnight. rain showers through midnight,
then a chance of rain showers after midnight. waves subsiding to
4 to 7 feet occasionally to 9 feet. 
.thursday...west winds 20 to 30 knots. waves building to 4 to
8 feet occasionally to 10 feet. 
.thursday night...west winds 10 to 20 knots diminishing to 5 to
15 knots after midnight. waves subsiding to 1 to 3 feet. 
.friday...west winds 5 to 15 knots. waves subsiding to calm to
2 feet. 
.saturday...southwest winds 5 to 15 knots becoming southeast
20 to 30 knots. a chance of rain showers, possibly mixed with
snow. waves building to 3 to 6 feet occasionally to 8 feet. 

$$

fzus63 kmqt 070801
glfls 
expires:202604072000;;966834

open lake forecast for lake superior
national weather service marquette mi
400 am edt tue apr 7 2026

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis...

a strong 30.5 inch high pressure will traverse the great lakes today 
reaching new england by wednesday afternoon. meanwhile, a 29.5 inch 
low will organize along the montana/saskatchewan border. this low 
moves over the dakotas wednesday night before moving north of the 
lake through thursday morning. high pressure of 30.4 inches then 
moves over the upper great lakes friday, building to 30.5 inches 
saturday. on sunday low pressure will develop in the lee of the 
rockies while the 30.5 inch high pushes off to the east coast.



lsz162-072000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 am edt tue apr 7 2026 /300 am cdt tue apr 7 2026/

.early this morning...northwest winds 5 to 15 knots. waves calm
to 2 feet. 
.today...west winds 5 to 15 knots backing southwest in the
afternoon. waves building to 1 to 3 feet, then subsiding to calm
to 2 feet. 
.tonight...southeast winds 5 to 15 knots becoming south 10 to
20 knots after midnight, then increasing to 15 to 25 knots late.
a chance of snow showers, possibly mixed with rain after
midnight. waves building to 2 to 4 feet. 
.wednesday...south winds 10 to 20 knots backing southeast in the
afternoon, then veering southwest late. snow showers likely
through early afternoon. rain showers. a slight chance of snow
showers by mid afternoon. waves building to 3 to 5 feet
occasionally to 7 feet. 
.wednesday night...southwest winds 15 to 25 knots becoming west
20 to 30 knots after midnight. a slight chance of rain showers
through midnight. waves subsiding to 2 to 4 feet, then building
to 3 to 6 feet occasionally to 8 feet. 
.thursday...west winds 15 to 25 knots diminishing to 10 to
20 knots by mid afternoon. waves subsiding to 1 to 3 feet. 
.thursday night...west winds 5 to 15 knots veering northwest
after midnight. waves subsiding to calm to 2 feet. 
.friday...southwest winds 5 to 15 knots veering west. waves calm
to 2 feet. 
.saturday...east winds 5 to 15 knots becoming southeast 10 to
20 knots. rain showers likely. waves building to 2 to 4 feet. 

$$

fzus63 kmqt 070801
glfls 
expires:202604072000;;966838

open lake forecast for lake superior
national weather service marquette mi
400 am edt tue apr 7 2026

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis...

a strong 30.5 inch high pressure will traverse the great lakes today 
reaching new england by wednesday afternoon. meanwhile, a 29.5 inch 
low will organize along the montana/saskatchewan border. this low 
moves over the dakotas wednesday night before moving north of the 
lake through thursday morning. high pressure of 30.4 inches then 
moves over the upper great lakes friday, building to 30.5 inches 
saturday. on sunday low pressure will develop in the lee of the 
rockies while the 30.5 inch high pushes off to the east coast.



lsz266-072000-
lake superior east of a line from manitou island to marquette mi
and west of a line from grand marais mi to the us/canadian border
beyond 5nm from shore-
400 am edt tue apr 7 2026

...gale watch in effect from wednesday morning through late
wednesday night...

.early this morning...northwest winds 15 to 25 knots. a slight
chance of snow showers. waves 3 to 6 feet occasionally to 8 feet.
.today...west winds 15 to 25 knots diminishing to 10 to 20 knots
in the afternoon. waves subsiding to 1 to 3 feet. 
.tonight...south winds 10 to 20 knots increasing to gales to
35 knots. a slight chance of snow showers after midnight. waves
building to 4 to 7 feet occasionally to 9 feet. 
.wednesday...south gales to 40 knots. snow showers, possibly
mixed with freezing rain through early afternoon. rain showers. a
slight chance of snow showers by mid afternoon. waves building to
8 to 11 feet occasionally to 14 feet. 
.wednesday night...south gales to 40 knots becoming southwest
20 to 30 knots after midnight. rain showers likely through
midnight, then a slight chance of rain showers after midnight.
waves subsiding to 4 to 8 feet occasionally to 10 feet. 
.thursday...west gales to 35 knots. waves building to 6 to 9 feet
occasionally to 11 feet, then subsiding to 4 to 7 feet
occasionally to 9 feet. 
.thursday night...west winds 10 to 20 knots diminishing to 5 to
15 knots after midnight. waves subsiding to calm to 2 feet. 
.friday...west winds 5 to 15 knots. waves calm to 2 feet. 
.saturday...southwest winds 5 to 15 knots becoming south gales to
35 knots. rain showers likely. waves building to 5 to 8 feet
occasionally to 10 feet. 

$$