fzus61 kbuf 221502
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open lake forecast for lake ontario
national weather service buffalo ny
1002 am est sat nov 22 2025

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 30.1 inch high will build over the ohio valley and 
lower great lakes today. a 29.5 inch low will move from northern 
ontario to james bay sunday, sending its cold front across the lake 
through the afternoon hours. a 30.2 inch high is then forecast to 
build across the ohio valley monday. on tuesday a 29.5 inch low to 
the north of lake superior will swing a cold front across the lake 
by tuesday night. the surface low will then track well north of the 
lake through wednesday.


loz062-222200-
lake ontario open waters from the niagara river to hamlin beach-
1002 am est sat nov 22 2025

.this afternoon...northwest winds 5 to 15 knots. waves 2 feet or
less. 
.tonight...west winds 5 to 15 knots becoming southwest. a chance
of rain showers late. waves 2 feet or less. 
.sunday...southwest winds 15 to 25 knots becoming west. a chance
of rain showers. waves 1 to 3 feet building to 5 to 8 feet. waves
occasionally around 10 feet. 
.sunday night...west winds to 30 knots becoming northwest and
diminishing to 10 to 15 knots. a chance of showers in the
evening. waves 5 to 8 feet subsiding to 3 to 5 feet. waves
occasionally around 10 feet. 
.monday...west winds 5 to 15 knots becoming south. waves 1 to
3 feet subsiding to 1 foot or less. 
.tuesday...southeast winds 5 to 15 knots becoming southwest.
showers. waves 1 to 3 feet. 
.wednesday...southwest winds 15 to 20 knots becoming west and
increasing to 30 knots. a chance of rain showers during the day,
then a chance of rain and snow showers wednesday night. waves
3 to 5 feet building to 8 to 11 feet. waves occasionally around
14 feet. 

$$

fzus61 kbuf 221502
glflo 
expires:202511222200;;312170

open lake forecast for lake ontario
national weather service buffalo ny
1002 am est sat nov 22 2025

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 30.1 inch high will build over the ohio valley and 
lower great lakes today. a 29.5 inch low will move from northern 
ontario to james bay sunday, sending its cold front across the lake 
through the afternoon hours. a 30.2 inch high is then forecast to 
build across the ohio valley monday. on tuesday a 29.5 inch low to 
the north of lake superior will swing a cold front across the lake 
by tuesday night. the surface low will then track well north of the 
lake through wednesday.


loz064-065-222200-
lake ontario open waters from sodus bay to the saint lawrence
river-
1002 am est sat nov 22 2025

.this afternoon...north winds 10 to 15 knots becoming northwest.
waves 1 to 3 feet. 
.tonight...northwest winds 5 to 15 knots becoming southwest.
waves 2 feet or less. 
.sunday...south winds 15 to 25 knots becoming west to 30 knots.
rain showers. waves 1 to 3 feet building to 6 to 9 feet. waves
occasionally around 11 feet. 
.sunday night...west winds to 30 knots becoming northwest 15 to
25 knots. rain showers in the evening, then a chance of rain
showers overnight. waves 8 to 11 feet subsiding to 4 to 7 feet.
waves occasionally around 14 feet. 
.monday...northwest winds 15 to 20 knots becoming south 5 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.tuesday...southeast winds 15 to 20 knots becoming south.
showers. waves 1 to 3 feet building to 2 to 4 feet. 
.wednesday...southwest winds 15 to 20 knots becoming west and
increasing to 30 knots. rain showers. waves 3 to 5 feet building
to 8 to 12 feet. waves occasionally around 15 feet. 

$$

fzus61 kbuf 221502
glflo 
expires:202511222200;;312169

open lake forecast for lake ontario
national weather service buffalo ny
1002 am est sat nov 22 2025

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 30.1 inch high will build over the ohio valley and 
lower great lakes today. a 29.5 inch low will move from northern 
ontario to james bay sunday, sending its cold front across the lake 
through the afternoon hours. a 30.2 inch high is then forecast to 
build across the ohio valley monday. on tuesday a 29.5 inch low to 
the north of lake superior will swing a cold front across the lake 
by tuesday night. the surface low will then track well north of the 
lake through wednesday.


loz063-222200-
lake ontario open waters from hamlin beach to sodus bay-
1002 am est sat nov 22 2025

.this afternoon...northwest winds 10 to 15 knots. waves 1 to
2 feet. 
.tonight...northwest winds 5 to 15 knots becoming southwest.
waves 1 to 2 feet. 
.sunday...southwest winds 15 to 25 knots becoming west to
30 knots. rain showers likely. waves 1 to 3 feet building to 6 to
9 feet. waves occasionally around 11 feet. 
.sunday night...west winds to 30 knots becoming northwest and
diminishing to 15 to 20 knots. showers likely in the evening,
then a chance of showers overnight. waves 7 to 11 feet subsiding
to 4 to 7 feet. waves occasionally around 14 feet. 
.monday...northwest winds 15 to 20 knots becoming south 5 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.tuesday...south winds 15 to 20 knots. showers. waves 1 to
3 feet. 
.wednesday...southwest winds 15 to 20 knots becoming west and
increasing to 30 knots. rain showers likely during the day, then
rain showers likely with a chance of snow showers wednesday
night. waves 2 to 4 feet building to 7 to 11 feet. waves
occasionally around 14 feet. 

$$

fzus61 kcle 221439
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open lake forecast for lake erie
national weather service cleveland oh
939 am est sat nov 22 2025

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 30.20 inches will remain over the great lakes today
before a warm front lifts across the lake tonight. a cold front 
will move east on sunday. high pressure 30.30 inches will build 
over the lake sunday night into monday. another low pressure 29.70
inches will move into the region on tuesday, moving a warm front 
north early tuesday followed by another cold front tuesday night 
into wednesday. a surface trough averaging 29.90 inches will 
linger through friday.


lez162>164-222115-
detroit river lt. to maumee bay oh to reno beach oh beyond 5nm
offshoreline to us-canadian border-
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-
939 am est sat nov 22 2025

.this afternoon...north winds 10 knots or less becoming west.
waves 2 feet or less. 
.tonight...southwest winds 10 knots or less increasing to 15 to
20 knots after midnight. waves 2 feet or less building to 2 to
4 feet. 
.sunday...west winds 15 to 25 knots. waves 3 to 5 feet subsiding
to 2 to 4 feet. 
.sunday night...west winds 5 to 15 knots. waves 1 to 3 feet
subsiding to 1 foot or less. 
.monday...southwest winds 5 to 15 knots becoming southeast. rain
likely monday night. waves 2 feet or less. 
.tuesday...south winds 15 to 20 knots becoming southwest. rain.
waves 1 to 3 feet. 
.wednesday...west winds 15 to 25 knots increasing to 30 knots.
waves 3 to 6 feet. 

$$

fzus61 kcle 221439
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open lake forecast for lake erie
national weather service cleveland oh
939 am est sat nov 22 2025

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 30.20 inches will remain over the great lakes today
before a warm front lifts across the lake tonight. a cold front 
will move east on sunday. high pressure 30.30 inches will build 
over the lake sunday night into monday. another low pressure 29.70
inches will move into the region on tuesday, moving a warm front 
north early tuesday followed by another cold front tuesday night 
into wednesday. a surface trough averaging 29.90 inches will 
linger through friday.


lez165>167-222115-
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-willowick to geneva-on-the-
lake oh beyond 5nm off shoreline to us-canadian border-
939 am est sat nov 22 2025

.this afternoon...north winds 10 knots or less becoming northwest.
waves 2 feet or less. 
.tonight...west winds 10 knots or less becoming southwest and
increasing to 15 to 20 knots after midnight. waves 1 foot or less
building to 3 to 5 feet. 
.sunday...west winds 15 to 25 knots. waves 5 to 8 feet. waves
occasionally around 10 feet. 
.sunday night...west winds 15 to 20 knots diminishing to 5 to
15 knots. waves 3 to 6 feet subsiding to 1 to 3 feet. 
.monday...southwest winds 5 to 10 knots becoming south and
increasing to 15 to 20 knots. a chance of rain monday night.
waves 1 to 3 feet. 
.tuesday...south winds 15 to 25 knots becoming southwest. rain.
waves 3 to 6 feet. 
.wednesday...west winds to 30 knots. a chance of rain during the
day, then a chance of rain and snow wednesday night. waves 5 to
8 feet building to 7 to 10 feet. waves occasionally around
13 feet. 

$$

fzus61 kcle 221439
glfle 
expires:202511222115;;311421

open lake forecast for lake erie
national weather service cleveland oh
939 am est sat nov 22 2025

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 30.20 inches will remain over the great lakes today
before a warm front lifts across the lake tonight. a cold front 
will move east on sunday. high pressure 30.30 inches will build 
over the lake sunday night into monday. another low pressure 29.70
inches will move into the region on tuesday, moving a warm front 
north early tuesday followed by another cold front tuesday night 
into wednesday. a surface trough averaging 29.90 inches will 
linger through friday.


lez061-168-169-222115-
ripley to buffalo ny extending from 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-
939 am est sat nov 22 2025

.this afternoon...north winds 10 knots or less becoming northwest.
waves 2 feet or less. 
.tonight...west winds 10 knots or less becoming southwest and
increasing to 15 to 20 knots after midnight. waves 2 feet or less
building to 2 to 4 feet. 
.sunday...southwest winds to 30 knots becoming west. a chance of
rain in the morning. waves 4 to 7 feet building to 6 to 9 feet.
waves occasionally around 11 feet. 
.sunday night...west winds 15 to 25 knots diminishing to 10 to
15 knots. waves 5 to 8 feet subsiding to 2 to 4 feet. waves
occasionally around 10 feet. 
.monday...southwest winds 5 to 15 knots becoming south. a chance
of rain monday night. waves 1 to 2 feet. 
.tuesday...south winds 15 to 20 knots becoming southwest. rain.
waves 2 to 4 feet. 
.wednesday...southwest winds 15 to 25 knots becoming west to
30 knots. a chance of rain during the day, then a chance of rain
and snow wednesday night. waves 5 to 8 feet building to 7 to
11 feet. waves occasionally around 14 feet. 

$$

fzus63 kdtx 221435
glfsc 
expires:202511222245;;311207

lake st clair forecast
national weather service detroit/pontiac mi
935 am est sat nov 22 2025

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, 30.10 inches, will build into the
central great lakes today. low pressure tracking through northern
ontario this evening will drag a cold front across the region 
tonight. northwest wind gusts behind the front sunday morning will
reach into the 20 to 30 knot range.


lcz460-222245-
lake st clair-
935 am est sat nov 22 2025

.rest of today...northwest winds 5 to 10 knots in the late morning
and early afternoon becoming light and variable. partly sunny. waves
2 feet or less.
.tonight...south winds 5 to 10 knots becoming southwest 15 to 20
knots. mostly cloudy until early morning becoming partly cloudy.
waves 2 feet or less.
.sunday...west winds 10 to 15 knots increasing to 15 to 20 knots in
the late morning and early afternoon...then diminishing to 10 to 15
knots early in the afternoon. partly sunny. waves 1 to 3 feet.
.sunday night...northwest winds 10 to 15 knots becoming west 5 to 10
knots after midnight. clear. waves 2 feet or less.
.monday...south winds 5 to 10 knots increasing to 10 to 15 knots in
the evening. mostly sunny becoming partly sunny in the afternoon
becoming mostly cloudy. waves 2 feet or less.
.tuesday...southwest winds 10 to 15 knots. light rain. waves 1 to 3
feet.
.wednesday...west at 35 knot gales. mostly cloudy. a chance of light
rain. waves 3 to 5 feet. waves occasionally around 7 feet.  a gale
warning may be needed.

$$

fzus63 kdtx 221432
glflh 
expires:202511222245;;311201

open lake forecast for lake huron
national weather service detroit/pontiac mi
932 am est sat nov 22 2025

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...high pressure, 30.10 inches, overspreads the central 
great lakes today. low pressure tracking through central ontario 
will drag a cold front across the region tonight. northwest wind 
gusts behind the front sunday morning will reach into the 20 to 30
knot range.


lhz361-362-222245-
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-
932 am est sat nov 22 2025

...gale warning in effect from sunday morning through sunday
afternoon...

.rest of today...west winds 5 to 10 knots backing to the
southwest in the afternoon. a chance of rain in the afternoon.
waves 1 to 3 feet. 
.tonight...south winds 10 to 15 knots becoming southwest 15 to
20 knots in the late evening and overnight. rain likely and a
chance of snow in the evening...then a chance of rain after
midnight. waves 1 to 3 feet building to 5 to 7 feet. waves
occasionally around 10 feet. 
.sunday...northwest winds 20 to 25 knots with gusts to 35 knot
gales. waves 8 to 12 feet. waves occasionally around 15 feet. 
.sunday night...northwest winds 15 to 20 knots becoming west 5 to
10 knots. waves 6 to 9 feet subsiding to 2 to 4 feet after
midnight. waves occasionally around 12 feet. 
.monday...south winds 10 to 15 knots. rain likely late in the
evening. waves 1 to 3 feet building to 2 to 4 feet. 
.tuesday...south winds 10 to 15 knots. rain early in the
morning...then rain likely until early morning. waves 3 to
5 feet. 
.wednesday...southwest winds 15 to 20 knots becoming west at
35 knot gales. a chance of rain until afternoon. snow likely.
rain likely early in the evening. waves 6 to 9 feet building to
12 to 16 feet. waves occasionally around 20 feet. a gale warning
may be needed. 


$$

fzus63 kdtx 221432
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expires:202511222245;;311202

open lake forecast for lake huron
national weather service detroit/pontiac mi
932 am est sat nov 22 2025

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...high pressure, 30.10 inches, overspreads the central 
great lakes today. low pressure tracking through central ontario 
will drag a cold front across the region tonight. northwest wind 
gusts behind the front sunday morning will reach into the 20 to 30
knot range.


lhz363-462>464-222245-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
lake huron from port austin to harbor beach beyond 5nm off shore-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
932 am est sat nov 22 2025

.rest of today...west winds 5 to 10 knots backing to the
southwest late in the afternoon. waves 2 to 4 feet subsiding to
1 to 3 feet in the afternoon. 
.tonight...southwest winds 10 to 15 knots increasing to 15 to
20 knots in the late evening and overnight. a chance of rain in
the evening. waves 1 to 3 feet building to 4 to 6 feet in the
late evening and overnight. waves occasionally around 8 feet. 
.sunday...west winds 20 to 25 knots. gusts to 30 knots in the
late morning and afternoon. waves 8 to 12 feet. waves
occasionally around 15 feet. 
.sunday night...northwest winds 15 to 20 knots becoming west 5 to
10 knots. waves 6 to 9 feet subsiding to 2 to 4 feet after
midnight. waves occasionally around 12 feet. 
.monday...southwest winds 10 to 15 knots becoming south 15 to
20 knots late in the morning...then decreasing to 10 to 15 knots
late in the evening. a chance of rain late in the evening. waves
1 to 3 feet building to 2 to 4 feet. 
.tuesday...south winds 10 to 15 knots becoming southwest 15 to
20 knots in the late evening and early morning. rain early in the
morning...then rain likely early in the evening. a chance of rain
in the late evening and early morning. waves 3 to 5 feet. 
.wednesday...southwest winds 20 to 25 knots becoming west at
35 knot gales with gusts to 40 knot gales. a chance of rain. a
chance of snow until early morning. waves 6 to 9 feet building to
12 to 16 feet. waves occasionally around 20 feet. a gale warning
may be needed. 


$$

fzus63 kmkx 221425
glflm 
expires:202511222215;;311125

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
825 am cst sat nov 22 2025

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...

high pressure around 30.1 inches will cross southern lake michigan
this morning. expect breezy southwest winds to develop this
afternoon as weak low pressure of 29.7 inches progresses through 
lake superior. winds shift northwesterly tonight with the passage
of a cold front. gusts up to 30 kt are expected over the open 
lake. 

high pressure around 30.1 inches briefly returns sunday. modest 
southerly winds will develop monday as low pressure of 28.7 
inches moves into the upper mississippi river valley. the low will
strengthen over minnesota and wisconsin on tuesday and cross lake
superior as a 29.4 inch low wednesday morning. timing and
strength of this low remain uncertain, but a period of gale force
gusts is looking likely over lake michigan wednesday into thursday
morning.


lmz261-362-364-366-563-565-567-868-222215-
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-
825 am cst sat nov 22 2025

sheboygan wi to pentwater mi north...

.rest of today...west winds 5 to 10 kt becoming southwest 10 to
15 kt late this morning, then increasing to 15 to 25 kt early
this afternoon becoming south to 30 kt late. slight chance of
rain this afternoon. waves 1 ft or less building to 4 to 7 ft
occasionally to 9 ft. 
.tonight...southwest winds to 30 kt veering to northwest. chance
of rain in the evening. waves 5 to 8 ft occasionally to 10 ft
subsiding to 4 to 7 ft occasionally to 9 ft. 
.sunday...northwest winds to 30 kt becoming west 10 to 20 kt.
waves 4 to 7 ft occasionally to 9 ft subsiding to 3 to 5 ft. 
.sunday night...west winds 10 to 15 kt becoming southwest 10 to
20 kt. waves 1 to 3 ft. 
.monday...southwest winds 10 to 20 kt becoming south. waves 2 to
4 ft building to 4 to 6 ft occasionally to 8 ft. 
.monday night...south winds 10 to 20 kt. rain. waves 4 to 7 ft
occasionally to 9 ft. 
.tuesday...south winds 10 to 20 kt becoming southwest. rain
likely. waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to
5 ft. 
.wednesday...west gales to 35 kt increasing to gales to 40 kt.
chance of rain and snow. waves 6 to 9 ft occasionally to 12 ft
building to 7 to 10 ft occasionally to 13 ft.  

$$

fzus63 kmkx 221425
glflm 
expires:202511222215;;311126

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
825 am cst sat nov 22 2025

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...

high pressure around 30.1 inches will cross southern lake michigan
this morning. expect breezy southwest winds to develop this
afternoon as weak low pressure of 29.7 inches progresses through 
lake superior. winds shift northwesterly tonight with the passage
of a cold front. gusts up to 30 kt are expected over the open 
lake. 

high pressure around 30.1 inches briefly returns sunday. modest 
southerly winds will develop monday as low pressure of 28.7 
inches moves into the upper mississippi river valley. the low will
strengthen over minnesota and wisconsin on tuesday and cross lake
superior as a 29.4 inch low wednesday morning. timing and
strength of this low remain uncertain, but a period of gale force
gusts is looking likely over lake michigan wednesday into thursday
morning.


lmz080-669-671-673-675-777-779-870-872-874-876-878-222215-
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-
825 am cst sat nov 22 2025

sheboygan wi to pentwater mi south...

.rest of today...east winds 5 to 10 kt veering to south late this
morning, then becoming 10 to 20 kt early this afternoon becoming
southwest to 30 kt late. waves 1 to 2 ft building to 4 to 6 ft
occasionally to 8 ft. 
.tonight...southwest winds 15 to 25 kt veering to northwest.
waves 5 to 8 ft occasionally to 10 ft. 
.sunday...northwest winds 15 to 25 kt becoming west 10 to 20 kt.
waves 5 to 8 ft occasionally to 10 ft subsiding to 3 to 5 ft. 
.sunday night...southwest winds 5 to 10 kt increasing to 10 to
15 kt. waves 2 to 4 ft. 
.monday...south winds 10 to 20 kt. waves 4 to 6 ft occasionally
to 8 ft. 
.monday night...south winds 10 to 20 kt increasing to 15 to
25 kt. rain. waves 4 to 7 ft occasionally to 9 ft. 
.tuesday...south winds 10 to 20 kt becoming southwest. rain
likely. waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to
5 ft. 
.wednesday...west gales to 40 kt increasing to gales to 45 kt.
chance of rain and snow. waves 8 to 11 ft occasionally to 14 ft. 

$$

fzus63 kmqt 221523
glfls 
expires:202511222330;;313150

open lake forecast for lake superior
national weather service marquette mi
1023 am est sat nov 22 2025

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...

weak 30.0 inch ridging over the lake early this morning breaks down 
today as a 29.8 inch trough moves over lake superior in the 
afternoon and evening. 30.0 inch ridging follows sunday into monday. 
troughing of at least 29.7 inches begins to organize in the plains 
monday, then moves into the great lakes tuesday through wednesday, 
remaining in the vicinity thursday.



lsz265-222330-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1023 am est sat nov 22 2025

...gale warning in effect from late tonight through sunday
morning...

.rest of today...south winds 10 to 20 knots increasing to 20 to
30 knots. a chance of rain and snow showers. waves calm to 2 feet
building to 2 to 4 feet. 
.tonight...west winds 20 to 30 knots becoming northwest gales to
35 knots by midnight. a slight chance of rain showers in the 
evening. waves building to 4 to 8 feet occasionally to 10 feet. 
.sunday...northwest gales to 35 knots becoming west 20 to
30 knots by late morning, then diminishing to 10 to 20 knots by
mid afternoon. waves subsiding to calm to 2 feet. 
.sunday night...southwest winds 10 to 20 knots. waves calm to
2 feet. 
.monday...southwest winds 10 to 20 knots backing south in the
afternoon. waves calm to 2 feet. 
.monday night...south winds 10 to 20 knots backing southeast
after midnight. showers. waves calm to 2 feet. 
.tuesday...southeast winds 15 to 25 knots becoming west gales to
40 knots. rain showers. snow showers likely. waves building to
3 to 6 feet occasionally to 8 feet. 
.wednesday...west gales to 40 knots becoming northwest gales to
45 knots. snow showers likely. waves building to 6 to 9 feet
occasionally to 11 feet. 

$$

fzus63 kmqt 221523
glfls 
expires:202511222330;;313151

open lake forecast for lake superior
national weather service marquette mi
1023 am est sat nov 22 2025

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...

weak 30.0 inch ridging over the lake early this morning breaks down 
today as a 29.8 inch trough moves over lake superior in the 
afternoon and evening. 30.0 inch ridging follows sunday into monday. 
troughing of at least 29.7 inches begins to organize in the plains 
monday, then moves into the great lakes tuesday through wednesday, 
remaining in the vicinity thursday.



lsz266-222330-
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-
1023 am est sat nov 22 2025

...gale warning in effect from late tonight through sunday
morning...

.rest of today...south winds 10 to 20 knots increasing to 20 to
30 knots. a chance of snow and rain showers late in the morning,
then rain showers, possibly mixed with snow in the afternoon.
waves calm to 2 feet building to 3 to 6 feet occasionally to
8 feet. 
.tonight...southwest winds 20 to 30 knots becoming northwest
gales to 35 knots by midnight. a chance of rain showers. waves 
building to 8 to 11 feet occasionally to 14 feet. 
.sunday...northwest gales to 35 knots diminishing to 20 to
30 knots by late morning, then becoming west 15 to 25 knots by
mid afternoon. a slight chance of rain showers in the morning.
waves subsiding to 3 to 6 feet occasionally to 8 feet. 
.sunday night...southwest winds 10 to 20 knots. waves subsiding
to calm to 2 feet. 
.monday...south winds 10 to 20 knots. waves building to 1 to
3 feet. 
.monday night...south winds 15 to 25 knots. a chance of rain
showers in the evening, then rain showers after midnight. waves
1 to 3 feet. 
.tuesday...southeast winds 15 to 25 knots becoming west gales to
35 knots. rain showers. snow showers. waves building to 6 to
9 feet occasionally to 11 feet. 
.wednesday...west gales to 40 knots veering northwest. snow
showers. waves building to 10 to 14 feet occasionally to 18 feet,
then subsiding to 9 to 12 feet occasionally to 15 feet. 

$$

fzus63 kmqt 221523
glfls 
expires:202511222330;;313152

open lake forecast for lake superior
national weather service marquette mi
1023 am est sat nov 22 2025

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...

weak 30.0 inch ridging over the lake early this morning breaks down 
today as a 29.8 inch trough moves over lake superior in the 
afternoon and evening. 30.0 inch ridging follows sunday into monday. 
troughing of at least 29.7 inches begins to organize in the plains 
monday, then moves into the great lakes tuesday through wednesday, 
remaining in the vicinity thursday.



lsz267-222330-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1023 am est sat nov 22 2025

...gale warning in effect from late tonight through sunday
morning...

.rest of today...southwest winds 10 to 20 knots becoming south
15 to 25 knots by late morning, then increasing to 20 to 30 knots
by mid afternoon. rain showers, possibly mixed with snow in the
afternoon. waves calm to 2 feet building to 2 to 4 feet. 
.tonight...southwest winds 20 to 30 knots veering west by
midnight, then becoming northwest gales to 35 knots late. rain
showers likely in the evening, then a slight chance of rain
showers after midnight. waves building to 8 to 11 feet
occasionally to 14 feet. 
.sunday...northwest gales to 35 knots diminishing to 20 to 30 
knots by mid afternoon. a chance of rain showers in the morning. 
waves building to 9 to 12 feet occasionally to 15 feet, then 
subsiding to 4 to 7 feet occasionally to 9 feet. 
.sunday night...west winds 10 to 20 knots backing southwest after
midnight. waves subsiding to 1 to 3 feet. 
.monday...south winds 10 to 20 knots. waves subsiding to calm to
2 feet. 
.monday night...south winds 10 to 20 knots. a chance of rain
showers in the evening, then rain showers after midnight. waves
building to 1 to 3 feet. 
.tuesday...southeast winds 15 to 25 knots becoming south 20 to
30 knots. rain showers. snow showers. waves building to 4 to
7 feet occasionally to 9 feet. 
.wednesday...west gales to 40 knots. rain showers. snow showers.
waves building to 10 to 14 feet occasionally to 18 feet, then
subsiding to 9 to 12 feet occasionally to 15 feet. 

$$

fzus63 kmqt 221523
glfls 
expires:202511222330;;313147

open lake forecast for lake superior
national weather service marquette mi
1023 am est sat nov 22 2025

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...

weak 30.0 inch ridging over the lake early this morning breaks down 
today as a 29.8 inch trough moves over lake superior in the 
afternoon and evening. 30.0 inch ridging follows sunday into monday. 
troughing of at least 29.7 inches begins to organize in the plains 
monday, then moves into the great lakes tuesday through wednesday, 
remaining in the vicinity thursday.



lsz162-222330-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1023 am est sat nov 22 2025 /923 am cst sat nov 22 2025/

.rest of today...south winds 10 to 20 knots becoming southwest
15 to 25 knots by late morning, then veering west by mid
afternoon. a chance of rain showers. waves calm to 2 feet
building to 2 to 4 feet. 
.tonight...west winds 20 to 30 knots diminishing to 15 to
25 knots by midnight. waves building to 3 to 5 feet occasionally
to 7 feet, then subsiding to 1 to 3 feet. 
.sunday...west winds 10 to 20 knots backing southwest by mid
afternoon. waves subsiding to calm to 2 feet. 
.sunday night...southwest winds 5 to 15 knots. waves calm to
2 feet. 
.monday...southwest winds 5 to 15 knots backing south in the
afternoon. a slight chance of rain showers in the afternoon.
waves calm to 2 feet. 
.monday night...east winds 5 to 15 knots increasing to 10 to
20 knots after midnight. rain showers. waves calm to 2 feet. 
.tuesday...northeast winds 10 to 20 knots becoming west 20 to
30 knots. rain showers. a chance of snow showers. waves building
to 3 to 6 feet occasionally to 8 feet. 
.wednesday...northwest gales to 35 knots. a chance of snow
showers. waves subsiding to 3 to 5 feet occasionally to 7 feet. 

$$

fzus63 kmqt 221523
glfls 
expires:202511222330;;313148

open lake forecast for lake superior
national weather service marquette mi
1023 am est sat nov 22 2025

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...

weak 30.0 inch ridging over the lake early this morning breaks down 
today as a 29.8 inch trough moves over lake superior in the 
afternoon and evening. 30.0 inch ridging follows sunday into monday. 
troughing of at least 29.7 inches begins to organize in the plains 
monday, then moves into the great lakes tuesday through wednesday, 
remaining in the vicinity thursday.



lsz263-222330-
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-
1023 am est sat nov 22 2025

.rest of today...south winds 10 to 20 knots increasing to 15 to
25 knots by late morning, then veering southwest by mid
afternoon. a chance of snow showers late in the morning. a chance
of rain showers. snow showers likely in the afternoon. waves calm
to 2 feet building to 3 to 5 feet occasionally to 7 feet. 
.tonight...west winds 20 to 30 knots veering northwest by
midnight. waves building to 4 to 7 feet occasionally to 9 feet,
then subsiding to 3 to 6 feet occasionally to 8 feet. 
.sunday...west winds 15 to 25 knots diminishing to 10 to 20 knots
by late morning, then backing southwest by mid afternoon. waves
subsiding to 1 to 3 feet. 
.sunday night...southwest winds 5 to 15 knots. waves subsiding to
calm to 2 feet. 
.monday...southwest winds 5 to 15 knots backing south in the
afternoon. a slight chance of rain showers in the afternoon.
waves calm to 2 feet. 
.monday night...southeast winds 5 to 15 knots. rain showers
likely. waves calm to 2 feet. 
.tuesday...east winds 15 to 25 knots becoming west gales to
35 knots. rain showers likely. a chance of snow showers. waves
building to 6 to 9 feet occasionally to 11 feet. 
.wednesday...northwest gales to 40 knots. snow showers likely,
then a chance of snow showers. waves building to 6 to 10 feet
occasionally to 13 feet. 

$$

fzus63 kmqt 221523
glfls 
expires:202511222330;;313149

open lake forecast for lake superior
national weather service marquette mi
1023 am est sat nov 22 2025

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...

weak 30.0 inch ridging over the lake early this morning breaks down 
today as a 29.8 inch trough moves over lake superior in the 
afternoon and evening. 30.0 inch ridging follows sunday into monday. 
troughing of at least 29.7 inches begins to organize in the plains 
monday, then moves into the great lakes tuesday through wednesday, 
remaining in the vicinity thursday.



lsz264-222330-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1023 am est sat nov 22 2025

.rest of today...south winds 10 to 20 knots increasing to 15 to
25 knots by mid afternoon. a chance of snow showers late in the
morning. a chance of rain showers. snow showers likely in the
afternoon. waves calm to 2 feet building to 2 to 4 feet. 
.tonight...west winds 20 to 30 knots with a few gale force gusts
to 35 kts veering northwest by midnight. a chance of rain showers
in the evening. waves building to 5 to 8 feet occasionally to 10 
feet. 
.sunday...northwest winds 20 to 30 knots becoming west 15 to
25 knots by late morning, then diminishing to 10 to 20 knots by
mid afternoon. waves subsiding to 2 to 4 feet. 
.sunday night...southwest winds 5 to 15 knots. waves subsiding to
calm to 2 feet. 
.monday...southwest winds 5 to 15 knots backing south in the
afternoon. waves calm to 2 feet. 
.monday night...southeast winds 5 to 15 knots. a chance of rain
showers in the evening, then rain showers likely after midnight.
waves building to 1 to 3 feet. 
.tuesday...east winds 15 to 25 knots becoming northwest gales to
35 knots. rain showers likely. a chance of snow showers. waves
building to 6 to 9 feet occasionally to 11 feet. 
.wednesday...northwest gales to 40 knots. snow showers likely. a
chance of snow showers. waves building to 7 to 10 feet
occasionally to 13 feet. 

$$