fzus61 kbuf 272002
glflo 
expires:202606280300;;011722

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt sat jun 27 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 weak 29.9 inch low will move east across the canadian 
maritimes throughout the day today. meanwhile, a 30.1 inch high will 
build into the upper great lakes today through early sunday before 
drifting east to quebec and new england by monday, then east of the 
new england coast by tuesday. another broad 30.1 inch high will 
build into the ohio valley and mid atlantic by wednesday, where it 
will remain through at least thursday. .


loz062-280300-
lake ontario open waters from the niagara river to hamlin beach-
402 pm edt sat jun 27 2026

.tonight...northeast winds 5 to 10 knots becoming light and
variable. waves 1 foot or less. 
.sunday...light and variable winds becoming east 5 to 10 knots.
waves 1 foot or less. 
.sunday night...northeast winds 10 knots or less becoming east.
waves 1 foot or less. 
.monday...east winds 10 knots or less. waves 2 feet or less. 
.monday night...east winds 10 knots or less becoming south. a
chance of showers overnight. waves 2 feet or less. 
.tuesday...southwest winds 10 to 15 knots. a chance of showers
during the day. waves 1 foot or less building to 1 to 3 feet. 
.wednesday...southwest winds 10 to 15 knots. waves 1 to 3 feet. 
.thursday...west winds 5 to 15 knots becoming southwest. waves
1 to 2 feet. 

$$

fzus61 kbuf 272002
glflo 
expires:202606280300;;011723

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt sat jun 27 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 weak 29.9 inch low will move east across the canadian 
maritimes throughout the day today. meanwhile, a 30.1 inch high will 
build into the upper great lakes today through early sunday before 
drifting east to quebec and new england by monday, then east of the 
new england coast by tuesday. another broad 30.1 inch high will 
build into the ohio valley and mid atlantic by wednesday, where it 
will remain through at least thursday. .


loz063>065-280300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 pm edt sat jun 27 2026

.tonight...northeast winds less than 10 knots becoming north.
waves 1 foot or less. 
.sunday...north winds 10 knots or less. waves 1 foot or less. 
.sunday night...northwest winds 5 to 10 knots becoming light and
variable. waves 1 foot or less. 
.monday...light and variable winds becoming northeast 5 to
10 knots. waves 1 foot or less. 
.monday night...east winds 5 to 10 knots becoming south. a chance
of showers overnight. waves 1 foot or less. 
.tuesday...south winds 5 to 15 knots becoming southwest. a chance
of showers and thunderstorms. waves 2 feet or less. 
.wednesday...southwest winds 10 to 15 knots becoming west. waves
1 to 3 feet. 
.thursday...west winds 5 to 10 knots. a chance of showers
thursday night. waves 1 to 2 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 271937
glfle 
expires:202606280215;;010865

open lake forecast for lake erie
national weather service cleveland oh
337 pm edt sat jun 27 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...
a trough averaging 30.00 inches continues to move east through the
ohio valley this afternoon as high pressure 30.10 builds in from 
the north. this will influence the region through late monday 
before a warm front lifts north across the lake. high pressure 
30.00 builds in across the region through the middle of the week. 


lez162>164-280215-
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-
337 pm edt sat jun 27 2026

.tonight...east winds 5 to 15 knots becoming northeast. waves
2 feet or less. 
.sunday...northeast winds 5 to 10 knots becoming east. waves
2 feet or less. 
.sunday night...east winds 5 to 10 knots. waves 2 feet or less. 
.monday...southeast winds 10 knots or less. waves 1 foot or less.
.monday night...southeast winds 5 to 10 knots becoming southwest.
waves 1 foot or less. 
.tuesday...southwest winds 5 to 10 knots. waves 1 to 2 feet. 
.wednesday...southwest winds 5 to 10 knots. waves 1 foot or less.
.thursday...southwest winds 5 to 10 knots becoming west. a chance
of showers thursday night. waves 1 foot or less. 

$$

fzus61 kcle 271937
glfle 
expires:202606280215;;010866

open lake forecast for lake erie
national weather service cleveland oh
337 pm edt sat jun 27 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...
a trough averaging 30.00 inches continues to move east through the
ohio valley this afternoon as high pressure 30.10 builds in from 
the north. this will influence the region through late monday 
before a warm front lifts north across the lake. high pressure 
30.00 builds in across the region through the middle of the week. 


lez165>168-280215-
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-geneva-on-
the-lake to conneaut oh beyond 5 nm off shoreline to us-
canadian border-
337 pm edt sat jun 27 2026

.tonight...northeast winds 5 to 15 knots. waves 1 to 2 feet. 
.sunday...northeast winds 5 to 15 knots. waves 1 to 2 feet. 
.sunday night...northeast winds 5 to 10 knots becoming east.
waves 1 to 2 feet. 
.monday...southeast winds 10 knots or less becoming east. waves
1 foot or less. 
.monday night...east winds 5 to 15 knots becoming south. waves
2 feet or less. 
.tuesday...southwest winds 5 to 15 knots. waves 1 to 3 feet. 
.wednesday...southwest winds 5 to 10 knots. waves 1 to 3 feet. 
.thursday...west winds 5 to 10 knots becoming southwest. waves
1 foot or less. 

$$

fzus61 kcle 271937
glfle 
expires:202606280215;;010867

open lake forecast for lake erie
national weather service cleveland oh
337 pm edt sat jun 27 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...
a trough averaging 30.00 inches continues to move east through the
ohio valley this afternoon as high pressure 30.10 builds in from 
the north. this will influence the region through late monday 
before a warm front lifts north across the lake. high pressure 
30.00 builds in across the region through the middle of the week. 


lez061-169-280215-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
337 pm edt sat jun 27 2026

.tonight...northeast winds 5 to 10 knots. waves 1 foot or less. 
.sunday...northeast winds 5 to 10 knots. waves 2 feet or less. 
.sunday night...northeast winds 10 knots or less becoming east.
waves 2 feet or less. 
.monday...east winds less than 10 knots becoming northeast. waves
1 foot or less. 
.monday night...east winds 5 to 10 knots becoming south. waves
2 feet or less. 
.tuesday...southwest winds 5 to 10 knots. waves 1 to 2 feet. 
.wednesday...southwest winds 5 to 15 knots. waves 1 to 2 feet. 
.thursday...southwest winds 10 knots or less. a chance of showers
and thunderstorms thursday night. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 271944
glfsc 
expires:202606280345;;011015

lake st clair forecast
national weather service detroit/pontiac mi
344 pm edt sat jun 27 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...area of high pressure, 30.10 inches, has built across
the region and will persist through the weekend. strong low
pressure, 29.40 inches, over the northern plains, will pull a
warm front up through the region on monday.


lcz460-280345-
lake st clair-
344 pm edt sat jun 27 2026

.tonight...northeast winds 5 to 10 knots. mostly clear. waves 2 feet
or less.
.sunday...northeast winds 5 to 10 knots veering to the southeast
late in the afternoon. partly sunny in the morning then clearing.
waves 2 feet or less.
.sunday night...east winds 5 to 10 knots. mostly clear. waves 2 feet
or less.
.monday...southeast winds 5 to 10 knots becoming south 10 to 15
knots early in the afternoon. mostly sunny. waves 2 feet or less.
.monday night...south winds 10 to 15 knots becoming southwest 5 to
10 knots after midnight. mostly clear. waves 2 feet or less.
.tuesday...southwest winds 5 to 10 knots increasing to 10 to 15
knots in the afternoon and evening. clear. waves 2 feet or less.
.wednesday...west winds 10 to 15 knots. clear. waves 2 feet or less.
.thursday...west winds 10 to 15 knots. mostly clear. waves 2 feet or
less.

$$

fzus63 kdtx 271941
glflh 
expires:202606280345;;010983

open lake forecast for lake huron
national weather service detroit/pontiac mi
341 pm edt sat jun 27 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...area of high pressure, 30.10 inches, has built across
the region and will persist through the weekend. strong low
pressure, 29.40 inches, over the northern plains, will pull a
warm front up through the region on monday.


lhz462>464-280345-
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-
341 pm edt sat jun 27 2026

.tonight...north winds 5 to 10 knots. waves 2 feet or less. 
.sunday...light and variable winds becoming north 5 to 10 knots
late in the afternoon. waves 2 feet or less. 
.sunday night...north winds 5 to 10 knots veering to the
southeast after midnight. waves 2 feet or less. 
.monday...southeast winds 5 to 10 knots increasing to 10 to
15 knots early in the afternoon. waves 1 to 3 feet. 
.monday night...southeast winds 10 to 15 knots becoming south
15 to 20 knots by midnight...then decreasing to 10 to 15 knots
after midnight. waves 2 to 4 feet. 
.tuesday...south winds 10 to 15 knots. waves 2 to 4 feet. 
.wednesday...southwest winds 10 to 15 knots decreasing to 5 to
10 knots. waves 1 to 3 feet. 
.thursday...southwest winds 5 to 10 knots backing to the south .
a chance of showers by midnight. waves 2 feet or less. 


$$

fzus63 kdtx 271941
glflh 
expires:202606280345;;010982

open lake forecast for lake huron
national weather service detroit/pontiac mi
341 pm edt sat jun 27 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...area of high pressure, 30.10 inches, has built across
the region and will persist through the weekend. strong low
pressure, 29.40 inches, over the northern plains, will pull a
warm front up through the region on monday.


lhz362-363-280345-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
341 pm edt sat jun 27 2026

.tonight...light and variable winds. waves 2 feet or less. 
.sunday...light and variable winds. waves 2 feet or less. 
.sunday night...light and variable winds becoming northeast 5 to
10 knots by midnight...then veering to the southeast after
midnight. waves 2 feet or less. 
.monday...southeast winds 5 to 10 knots increasing to 10 to
15 knots in the late morning and afternoon. a chance of showers.
waves 1 to 3 feet building to 2 to 4 feet in the late morning and
afternoon. 
.monday night...southeast winds 15 to 20 knots becoming south
10 to 15 knots after midnight. waves 3 to 5 feet. 
.tuesday...south winds 10 to 15 knots. waves 3 to 5 feet. 
.wednesday...southwest winds 10 to 15 knots becoming south 5 to
10 knots . waves 2 to 4 feet subsiding to 1 to 3 feet by
midnight. 
.thursday...southwest winds 5 to 10 knots backing to the
southeast early in the evening...then becoming light and variable
by midnight. a chance of showers . waves 2 feet or less. 


$$

fzus63 kdtx 271941
glflh 
expires:202606280345;;010981

open lake forecast for lake huron
national weather service detroit/pontiac mi
341 pm edt sat jun 27 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...area of high pressure, 30.10 inches, has built across
the region and will persist through the weekend. strong low
pressure, 29.40 inches, over the northern plains, will pull a
warm front up through the region on monday.


lhz361-280345-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
341 pm edt sat jun 27 2026

.tonight...light and variable winds. waves 2 feet or less. 
.sunday...light and variable winds becoming east 5 to 10 knots in
the afternoon. waves 2 feet or less. 
.sunday night...southeast winds 5 to 10 knots. waves 2 to 4 feet
subsiding to 1 to 3 feet after midnight. 
.monday...southeast winds 10 to 15 knots increasing to 15 to
20 knots in the late morning and afternoon. a chance of showers.
waves 1 to 3 feet building to 3 to 5 feet in the late morning and
afternoon. 
.monday night...east winds 15 to 20 knots becoming southeast
10 to 15 knots in the late evening and overnight. waves 3 to
5 feet. 
.tuesday...south winds 10 to 15 knots decreasing to 5 to 10 knots
late in the morning...then backing to the northeast late in the
afternoon becoming southwest 10 to 15 knots late in the evening.
a chance of showers late in the afternoon. waves 2 to 4 feet
subsiding to 1 to 3 feet late in the morning...then building to
2 to 4 feet late in the evening. 
.wednesday...west winds 10 to 15 knots decreasing to 5 to
10 knots by midnight. a chance of showers. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.thursday...west winds 5 to 10 knots becoming light and variable.
a chance of showers by midnight. waves 2 feet or less. 


$$

fzus63 kmkx 271959
glflm 
expires:202606280315;;011481

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
259 pm cdt sat jun 27 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...

high pressure around 30.1 inches is expected to linger across the
great lakes through tonight, with light north to northeast winds.
low pressure will deepen to around 29.3 inches over the central 
plains sunday, shifting winds to the southeast. winds then shift 
more southerly and increase into monday as low pressure lifts 
into the canadian prairies. gusty southerly winds will continue 
through at least wednesday as low pressure stalls, but gales are 
not expected at this time.


lmz261-362-364-366-563-565-567-868-280315-
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-
259 pm cdt sat jun 27 2026

sheboygan wi to pentwater mi north...

.tonight...north winds 10 to 15 kt veering to east. waves 1 to
2 ft. 
.sunday...southeast winds 10 to 15 kt becoming east 10 to 20 kt.
waves 1 to 2 ft. 
.sunday night...east winds 10 to 20 kt becoming southeast 15 to
25 kt. waves 1 to 3 ft building to 4 to 6 ft occasionally to
8 ft. 
.monday...southeast winds to 30 kt becoming south. chance of
showers. waves 5 to 8 ft occasionally to 10 ft. 
.monday night...south winds to 30 kt. waves 5 to 8 ft
occasionally to 10 ft. 
.tuesday...south winds to 30 kt. waves 4 to 7 ft occasionally to
9 ft. 
.tuesday night...southwest winds to 30 kt. chance of showers and
thunderstorms. waves 4 to 7 ft occasionally to 9 ft. 
.wednesday...southwest winds 15 to 25 kt becoming south. waves
3 to 5 ft. 
.thursday...southwest winds 10 to 20 kt. waves 2 to 4 ft.  

$$

fzus63 kmkx 271959
glflm 
expires:202606280315;;011482

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
259 pm cdt sat jun 27 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...

high pressure around 30.1 inches is expected to linger across the
great lakes through tonight, with light north to northeast winds.
low pressure will deepen to around 29.3 inches over the central 
plains sunday, shifting winds to the southeast. winds then shift 
more southerly and increase into monday as low pressure lifts 
into the canadian prairies. gusty southerly winds will continue 
through at least wednesday as low pressure stalls, but gales are 
not expected at this time.


lmz080-669-671-673-675-777-779-870-872-874-876-878-280315-
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-
259 pm cdt sat jun 27 2026

sheboygan wi to pentwater mi south...

.tonight...north winds 10 to 15 kt becoming east. waves 1 to
3 ft. 
.sunday...east winds 10 to 15 kt. waves 1 to 3 ft. 
.sunday night...east winds 10 to 20 kt becoming southeast 15 to
25 kt. waves 2 to 4 ft building to 4 to 6 ft occasionally to
8 ft. 
.monday...south winds to 30 kt. waves 5 to 8 ft occasionally to
10 ft. 
.monday night...south winds to 30 kt diminishing to 15 to 25 kt.
waves 5 to 8 ft occasionally to 10 ft subsiding to 4 to 7 ft
occasionally to 9 ft. 
.tuesday...south winds 15 to 25 kt increasing to 30 kt. waves
4 to 6 ft occasionally to 8 ft. 
.tuesday night...southwest winds to 30 kt diminishing to 10 to
20 kt. waves 4 to 6 ft occasionally to 8 ft. 
.wednesday...southwest winds 10 to 20 kt becoming south 15 to
25 kt. waves 3 to 5 ft. 
.thursday...southwest winds 10 to 20 kt becoming south. waves
2 to 4 ft.  

$$

fzus63 kmqt 272001
glfls 
expires:202606280800;;011577

open lake forecast for lake superior
national weather service marquette mi
400 pm edt sat jun 27 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... 

tonight, low pressure will push north out of eastern montana and 
deepen over southern saskatchewan to 29.3 inches as high pressure 
retreats to the hudson bay, remaining at 30.1 inches. the low pushes 
into manitoba and the dakotas early monday morning while the high 
shifts southeast to just east of the lower great lakes. tuesday into 
wednesday, the low moves through northern ontario at around 29.5 
inches as 30.1 inch high pressure extends over much of the east 
coast. by thursday morning, the low will move east through quebec 
while 30.1 inch high pressure builds south of the great lakes.




lsz264-280800-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
400 pm edt sat jun 27 2026

.late this afternoon...east winds 5 to 15 knots. waves calm to
2 feet. 
.tonight...east winds 5 to 15 knots veering southeast after
midnight, then backing east late. a slight chance of showers
after midnight. waves calm to 2 feet. 
.sunday...east winds 5 to 15 knots increasing to 15 to 25 knots.
a slight chance of showers by mid afternoon. waves building to
2 to 4 feet. 
.sunday night...southeast winds 15 to 25 knots diminishing to
10 to 20 knots after midnight. a chance of showers. a slight
chance of thunderstorms after midnight. waves building to 3 to
5 feet occasionally to 7 feet. 
.monday...southeast winds 10 to 20 knots backing east by mid
afternoon. a chance of showers and a slight chance of
thunderstorms. waves 3 to 5 feet occasionally to 7 feet. 
.monday night...southeast winds 10 to 20 knots veering south
after midnight. showers likely and a chance of thunderstorms.
waves building to 3 to 6 feet occasionally to 8 feet. 
.tuesday...southwest winds 5 to 15 knots backing south by mid
afternoon. a chance of showers. waves subsiding to 1 to 3 feet. 
.tuesday night...south winds 10 to 20 knots veering southwest
after midnight. a chance of showers. waves subsiding to calm to
2 feet, then building to 1 to 3 feet. 
.wednesday...southwest winds 5 to 15 knots backing south. a
chance of showers. waves subsiding to calm to 2 feet. 
.thursday...south winds 5 to 15 knots veering west. a chance of
showers. waves calm to 2 feet. 

$$

fzus63 kmqt 272001
glfls 
expires:202606280800;;011578

open lake forecast for lake superior
national weather service marquette mi
400 pm edt sat jun 27 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... 

tonight, low pressure will push north out of eastern montana and 
deepen over southern saskatchewan to 29.3 inches as high pressure 
retreats to the hudson bay, remaining at 30.1 inches. the low pushes 
into manitoba and the dakotas early monday morning while the high 
shifts southeast to just east of the lower great lakes. tuesday into 
wednesday, the low moves through northern ontario at around 29.5 
inches as 30.1 inch high pressure extends over much of the east 
coast. by thursday morning, the low will move east through quebec 
while 30.1 inch high pressure builds south of the great lakes.




lsz265-280800-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
400 pm edt sat jun 27 2026

.late this afternoon...east winds 10 to 20 knots. waves calm to
2 feet. 
.tonight...east winds 5 to 15 knots veering southeast after
midnight, then backing east late. a slight chance of showers
after midnight. waves calm to 2 feet. 
.sunday...east winds 10 to 20 knots increasing to 20 to 30 knots.
waves building to 3 to 5 feet occasionally to 7 feet. 
.sunday night...southeast winds 15 to 25 knots increasing to
20 to 30 knots late. a chance of showers through midnight, then
showers likely and a chance of thunderstorms after midnight.
waves subsiding to 1 to 3 feet, then building to 3 to 5 feet
occasionally to 7 feet. 
.monday...southeast winds 15 to 25 knots. a chance of showers and
a slight chance of thunderstorms through early afternoon. waves
building to 3 to 6 feet occasionally to 8 feet. 
.monday night...southeast winds 20 to 30 knots becoming south
15 to 25 knots after midnight. a chance of showers. a chance of
thunderstorms after midnight. waves subsiding to 1 to 3 feet. 
.tuesday...southwest winds 10 to 20 knots backing southeast by
mid afternoon. a chance of showers by mid afternoon. waves
subsiding to calm to 2 feet. 
.tuesday night...south winds 15 to 25 knots veering southwest
after midnight. a chance of showers. waves calm to 2 feet. 
.wednesday...southwest winds 10 to 20 knots backing south. a
chance of showers and thunderstorms. waves calm to 2 feet. 
.thursday...southeast winds 10 to 20 knots becoming west 5 to
15 knots. a chance of showers. waves calm to 2 feet. 

$$

fzus63 kmqt 272001
glfls 
expires:202606280800;;011575

open lake forecast for lake superior
national weather service marquette mi
400 pm edt sat jun 27 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... 

tonight, low pressure will push north out of eastern montana and 
deepen over southern saskatchewan to 29.3 inches as high pressure 
retreats to the hudson bay, remaining at 30.1 inches. the low pushes 
into manitoba and the dakotas early monday morning while the high 
shifts southeast to just east of the lower great lakes. tuesday into 
wednesday, the low moves through northern ontario at around 29.5 
inches as 30.1 inch high pressure extends over much of the east 
coast. by thursday morning, the low will move east through quebec 
while 30.1 inch high pressure builds south of the great lakes.




lsz162-280800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 pm edt sat jun 27 2026 /300 pm cdt sat jun 27 2026/

.late this afternoon...northeast winds 10 to 20 knots. waves calm
to 2 feet building to 1 to 3 feet. 
.tonight...northeast winds 10 to 20 knots diminishing to 5 to
15 knots after midnight, then veering east late. a slight chance
of showers. waves subsiding to calm to 2 feet, then building to
1 to 3 feet. 
.sunday...east winds 10 to 20 knots increasing to 15 to 25 knots
in the afternoon. a slight chance of showers by mid afternoon.
waves building to 2 to 4 feet. 
.sunday night...east winds 15 to 25 knots diminishing to 10 to
20 knots after midnight. a chance of showers and thunderstorms.
waves building to 3 to 5 feet occasionally to 7 feet, then
subsiding to 1 to 3 feet. 
.monday...northeast winds 10 to 20 knots increasing to 15 to
25 knots by mid afternoon. a chance of showers and a slight
chance of thunderstorms. waves subsiding to calm to 2 feet, then
building to 2 to 4 feet. 
.monday night...northeast winds 15 to 25 knots diminishing to
10 to 20 knots after midnight. showers likely and a chance of
thunderstorms. waves subsiding to 1 to 3 feet. 
.tuesday...southwest winds 10 to 20 knots. a chance of showers
and thunderstorms by mid afternoon. waves subsiding to calm to
2 feet. 
.tuesday night...southwest winds 10 to 20 knots. a chance of
showers. waves calm to 2 feet. 
.wednesday...southwest winds 10 to 20 knots becoming south 5 to
15 knots. a chance of showers and thunderstorms. waves calm to
2 feet. 
.thursday...east winds 5 to 15 knots backing north. a chance of
showers and thunderstorms. waves calm to 2 feet. 

$$

fzus63 kmqt 272001
glfls 
expires:202606280800;;011580

open lake forecast for lake superior
national weather service marquette mi
400 pm edt sat jun 27 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... 

tonight, low pressure will push north out of eastern montana and 
deepen over southern saskatchewan to 29.3 inches as high pressure 
retreats to the hudson bay, remaining at 30.1 inches. the low pushes 
into manitoba and the dakotas early monday morning while the high 
shifts southeast to just east of the lower great lakes. tuesday into 
wednesday, the low moves through northern ontario at around 29.5 
inches as 30.1 inch high pressure extends over much of the east 
coast. by thursday morning, the low will move east through quebec 
while 30.1 inch high pressure builds south of the great lakes.




lsz267-280800-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
400 pm edt sat jun 27 2026

.late this afternoon...north winds 5 to 15 knots. waves calm to
2 feet. 
.tonight...northeast winds 5 to 15 knots becoming east less than
10 knots after midnight, then increasing to 5 to 15 knots late.
waves calm to 2 feet. 
.sunday...east winds 5 to 15 knots increasing to 10 to 20 knots
late. waves calm to 2 feet. 
.sunday night...southeast winds 10 to 20 knots increasing to
15 to 25 knots after midnight. a chance of showers after
midnight. waves building to 2 to 4 feet. 
.monday...southeast winds 15 to 25 knots. showers likely through
early afternoon. a slight chance of thunderstorms. a chance of
showers by mid afternoon. waves building to 3 to 5 feet
occasionally to 7 feet. 
.monday night...southeast winds 15 to 25 knots veering south
after midnight. a chance of showers. waves subsiding to 2 to
4 feet. 
.tuesday...south winds 10 to 20 knots backing southeast by mid
afternoon. a chance of showers and thunderstorms. waves subsiding
to calm to 2 feet. 
.tuesday night...south winds 10 to 20 knots veering southwest
after midnight. a chance of showers through midnight. a chance of
thunderstorms. showers likely after midnight. waves building to
1 to 3 feet. 
.wednesday...southwest winds 5 to 15 knots backing south. a
chance of showers and thunderstorms. waves subsiding to calm to
2 feet. 
.thursday...south winds 5 to 15 knots veering southwest. a chance
of showers. waves calm to 2 feet. 

$$

fzus63 kmqt 272001
glfls 
expires:202606280800;;011579

open lake forecast for lake superior
national weather service marquette mi
400 pm edt sat jun 27 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... 

tonight, low pressure will push north out of eastern montana and 
deepen over southern saskatchewan to 29.3 inches as high pressure 
retreats to the hudson bay, remaining at 30.1 inches. the low pushes 
into manitoba and the dakotas early monday morning while the high 
shifts southeast to just east of the lower great lakes. tuesday into 
wednesday, the low moves through northern ontario at around 29.5 
inches as 30.1 inch high pressure extends over much of the east 
coast. by thursday morning, the low will move east through quebec 
while 30.1 inch high pressure builds south of the great lakes.




lsz266-280800-
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 pm edt sat jun 27 2026

.late this afternoon...east winds 5 to 15 knots. waves calm to
2 feet. 
.tonight...east winds 5 to 15 knots. a slight chance of showers
after midnight. waves calm to 2 feet. 
.sunday...east winds 5 to 15 knots increasing to 15 to 25 knots.
waves building to 2 to 4 feet. 
.sunday night...southeast winds 15 to 25 knots increasing to
20 to 30 knots late. a chance of showers. a slight chance of
thunderstorms after midnight. waves subsiding to 1 to 3 feet,
then building to 3 to 5 feet occasionally to 7 feet. 
.monday...southeast winds 20 to 30 knots. a chance of showers and
a slight chance of thunderstorms. waves building to 3 to 6 feet
occasionally to 8 feet. 
.monday night...southeast winds 20 to 30 knots becoming south
15 to 25 knots after midnight. a chance of showers and
thunderstorms. waves building to 3 to 6 feet occasionally to
8 feet. 
.tuesday...south winds 10 to 20 knots. a chance of showers. waves
subsiding to calm to 2 feet. 
.tuesday night...south winds 10 to 20 knots becoming southwest
15 to 25 knots after midnight. a chance of showers. waves
building to 1 to 3 feet. 
.wednesday...southwest winds 5 to 15 knots backing south. a
chance of showers and thunderstorms. waves subsiding to calm to
2 feet. 
.thursday...south winds 5 to 15 knots. a chance of showers. waves
calm to 2 feet. 

$$

fzus63 kmqt 272001
glfls 
expires:202606280800;;011576

open lake forecast for lake superior
national weather service marquette mi
400 pm edt sat jun 27 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... 

tonight, low pressure will push north out of eastern montana and 
deepen over southern saskatchewan to 29.3 inches as high pressure 
retreats to the hudson bay, remaining at 30.1 inches. the low pushes 
into manitoba and the dakotas early monday morning while the high 
shifts southeast to just east of the lower great lakes. tuesday into 
wednesday, the low moves through northern ontario at around 29.5 
inches as 30.1 inch high pressure extends over much of the east 
coast. by thursday morning, the low will move east through quebec 
while 30.1 inch high pressure builds south of the great lakes.




lsz263-280800-
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 pm edt sat jun 27 2026

.late this afternoon...northeast winds 10 to 20 knots. waves calm
to 2 feet. 
.tonight...east winds 10 to 20 knots diminishing to 5 to 15 knots
after midnight. a slight chance of showers. waves building to
1 to 3 feet, then subsiding to calm to 2 feet. 
.sunday...east winds 5 to 15 knots increasing to 15 to 25 knots.
a slight chance of showers by mid afternoon. waves building to
3 to 5 feet occasionally to 7 feet. 
.sunday night...east winds 15 to 25 knots becoming southeast
10 to 20 knots after midnight, then backing east late. a chance
of showers and thunderstorms. waves subsiding to 1 to 3 feet. 
.monday...east winds 5 to 15 knots becoming northeast 15 to
25 knots by mid afternoon. a chance of showers and a slight
chance of thunderstorms. waves building to 2 to 4 feet. 
.monday night...east winds 15 to 25 knots becoming southwest
10 to 20 knots after midnight. a chance of showers through
midnight. showers likely after midnight. waves building to 3 to
5 feet occasionally to 7 feet, then subsiding to 2 to 4 feet. 
.tuesday...southwest winds 10 to 20 knots. a chance of showers
and thunderstorms by mid afternoon. waves subsiding to calm to
2 feet. 
.tuesday night...southwest winds 10 to 20 knots. a chance of
showers. waves building to 1 to 3 feet. 
.wednesday...southwest winds 10 to 20 knots becoming south 5 to
15 knots. a chance of showers and thunderstorms. waves subsiding
to calm to 2 feet. 
.thursday...southwest winds 5 to 15 knots veering west. a chance
of showers. waves calm to 2 feet. 

$$