fzus61 kbuf 252003
glflo 
expires:202610260300;;177059

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt sun oct 25 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 30.5 inch high will gradually drift south across the 
mid atlantic through monday. a cold front will move southeast across 
the lake early monday afternoon. another 30.6 inch high will then 
build from northwest ontario province monday night to southern 
quebec and new england by tuesday night, then off the new england 
coast by wednesday night. this high will then linger east of the mid 
atlantic and new england through thursday. another weak cold front 
is then forecast to cross the lower great lakes thursday night.


loz063>065-260300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 pm edt sun oct 25 2026

.tonight...south winds 5 to 15 knots becoming southwest. waves
2 feet or less. 
.monday...southwest winds 10 to 15 knots becoming northwest.
waves 1 to 3 feet. 
.monday night...north winds 10 to 15 knots becoming northeast
15 to 20 knots. waves 1 to 3 feet building to 3 to 5 feet. 
.tuesday...northeast winds 5 to 15 knots. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.tuesday night...northeast winds 5 to 10 knots becoming
southeast. waves 1 foot or less. 
.wednesday...southeast winds 5 to 15 knots becoming south 15 to
20 knots. waves 1 to 3 feet. 
.thursday...south winds 15 to 20 knots becoming west 10 to
15 knots. a chance of showers thursday night. waves 1 to 3 feet. 
.friday...west winds 5 to 15 knots becoming south. waves 2 feet
or less. 

$$

fzus61 kbuf 252003
glflo 
expires:202610260300;;177058

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt sun oct 25 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 30.5 inch high will gradually drift south across the 
mid atlantic through monday. a cold front will move southeast across 
the lake early monday afternoon. another 30.6 inch high will then 
build from northwest ontario province monday night to southern 
quebec and new england by tuesday night, then off the new england 
coast by wednesday night. this high will then linger east of the mid 
atlantic and new england through thursday. another weak cold front 
is then forecast to cross the lower great lakes thursday night.


loz062-260300-
lake ontario open waters from the niagara river to hamlin beach-
402 pm edt sun oct 25 2026

.tonight...south winds 5 to 15 knots becoming southwest. waves
2 feet or less. 
.monday...west winds 10 to 15 knots becoming northwest. waves
1 to 3 feet. 
.monday night...northwest winds 10 to 15 knots becoming
northeast. waves 1 to 3 feet. 
.tuesday...northeast winds 5 to 15 knots becoming east. waves
1 to 3 feet. 
.tuesday night...east winds 5 to 15 knots becoming southeast.
waves 1 to 2 feet. 
.wednesday...east winds 5 to 15 knots becoming southwest. waves
2 feet or less. 
.thursday...southwest winds 10 to 15 knots becoming west. a
chance of showers thursday night. waves 1 to 3 feet. 
.friday...west winds 10 knots or less becoming north. waves
2 feet or less. 

$$

fzus61 kcle 251958
glfle 
expires:202610260215;;176814

open lake forecast for lake erie
national weather service cleveland oh
358 pm edt sun oct 25 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 30.50 inches along the east coast will slide
southwest through the central appalachians tonight and into the 
tennessee valley monday. this will allow for a weak cold front to
cross the lake monday afternoon. high pressure 30.50 inches will 
return across the great lakes tuesday then shift off the east 
coast for the rest of the week.


lez061-167>169-260215-
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-
358 pm edt sun oct 25 2026

.tonight...south winds 10 knots or less becoming southwest 10 to
15 knots. waves 2 feet or less. 
.monday...southwest winds 5 to 15 knots becoming northwest. waves
1 to 3 feet. 
.monday night...north winds 10 to 15 knots becoming northeast.
waves 1 to 3 feet. 
.tuesday...northeast winds 10 to 15 knots. waves 1 to 3 feet. 
.tuesday night...northeast winds 15 to 20 knots becoming
southeast 5 to 15 knots. waves 2 to 4 feet subsiding to 1 to
3 feet. 
.wednesday...southeast winds 5 to 15 knots becoming south. waves
1 to 3 feet. 
.thursday...southwest winds 10 to 15 knots. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.friday...west winds 5 to 10 knots becoming south. waves 2 feet
or less. 

$$

fzus61 kcle 251958
glfle 
expires:202610260215;;176813

open lake forecast for lake erie
national weather service cleveland oh
358 pm edt sun oct 25 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 30.50 inches along the east coast will slide
southwest through the central appalachians tonight and into the 
tennessee valley monday. this will allow for a weak cold front to
cross the lake monday afternoon. high pressure 30.50 inches will 
return across the great lakes tuesday then shift off the east 
coast for the rest of the week.


lez162>166-260215-
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-
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-
358 pm edt sun oct 25 2026

.tonight...southeast winds 10 knots or less becoming southwest.
waves 2 feet or less. 
.monday...southwest winds 5 to 10 knots becoming north. waves
2 feet or less. 
.monday night...north winds 10 to 15 knots becoming northeast.
waves 1 to 3 feet. 
.tuesday...northeast winds 10 to 15 knots becoming east. waves
1 to 3 feet. 
.tuesday night...east winds 15 to 20 knots becoming southeast
5 to 15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.wednesday...southeast winds 10 knots or less becoming south
10 to 15 knots. waves 1 to 3 feet. 
.thursday...southwest winds 10 to 15 knots. waves 1 to 3 feet. 
.friday...west winds 5 to 10 knots becoming southeast. waves
2 feet or less. 

$$

fzus63 kdtx 251958
glfsc 
expires:202610260400;;176822

lake st clair forecast
national weather service detroit/pontiac mi
358 pm edt sun oct 25 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...a cold front slowly drops southeast across the region
through tonight. following the passage of the front, an area of 
high pressure, averaging 30.60 inches, migrates southeast across 
ontario and new england through mid-week, while an area of low 
pressure lifts north across northern plains and up into the 
canadian prairies.


lcz460-260400-
lake st clair-
358 pm edt sun oct 25 2026

.tonight...southwest winds 5 to 10 knots. partly cloudy. waves 2
feet or less.
.monday...west winds 5 to 10 knots veering to the north in the late
morning and afternoon. partly sunny. waves 2 feet or less.
.monday night...northeast winds 10 to 15 knots. partly cloudy
becoming mostly cloudy by midnight becoming partly cloudy. waves 1
to 3 feet.
.tuesday...east winds 10 to 15 knots diminishing to 5 to 10 knots
early in the afternoon. partly sunny. waves 2 feet or less.
.tuesday night...east winds 10 to 15 knots. partly cloudy becoming
mostly cloudy. waves 2 feet or less.
.wednesday...south winds 5 to 10 knots. partly cloudy. waves 2 feet
or less.
.thursday...southwest winds 10 to 15 knots. partly cloudy. waves 2
feet or less.
.friday...southeast winds 5 to 10 knots. partly cloudy. waves 2 feet
or less.

$$

fzus63 kdtx 251958
glflh 
expires:202610260400;;176818

open lake forecast for lake huron
national weather service detroit/pontiac mi
358 pm edt sun oct 25 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...a cold front slowly drops southeast across the region
through tonight. following the passage of the front, an area of 
high pressure, averaging 30.60 inches, migrates southeast across 
ontario and new england through mid-week, while an area of low 
pressure lifts north across northern plains and up into the 
canadian prairies.


lhz361-260400-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
358 pm edt sun oct 25 2026

.tonight...northwest winds 5 to 10 knots. waves 2 feet or less. 
.monday...north winds 5 to 10 knots. waves 2 feet or less. 
.monday night...north winds 5 to 10 knots becoming east 10 to
15 knots after midnight. waves 2 feet or less. 
.tuesday...east winds 10 to 15 knots. waves 1 to 3 feet building
to 2 to 4 feet early in the afternoon. 
.tuesday night...east winds 15 to 20 knots becoming southeast
10 to 15 knots in the late evening and overnight. waves 2 to
4 feet. 
.wednesday...south winds 10 to 15 knots. a chance of rain late in
the evening. waves 2 to 4 feet subsiding to 1 to 3 feet late in
the afternoon. 
.thursday...southwest winds 10 to 15 knots becoming west 5 to
10 knots . a chance of rain. waves 1 to 3 feet. 
.friday...light and variable winds becoming west 5 to 10 knots. a
chance of rain by midnight. waves 2 feet or less. 


$$

fzus63 kdtx 251958
glflh 
expires:202610260400;;176819

open lake forecast for lake huron
national weather service detroit/pontiac mi
358 pm edt sun oct 25 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...a cold front slowly drops southeast across the region
through tonight. following the passage of the front, an area of 
high pressure, averaging 30.60 inches, migrates southeast across 
ontario and new england through mid-week, while an area of low 
pressure lifts north across northern plains and up into the 
canadian prairies.


lhz362-363-260400-
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-
358 pm edt sun oct 25 2026

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


$$

fzus63 kdtx 251958
glflh 
expires:202610260400;;176820

open lake forecast for lake huron
national weather service detroit/pontiac mi
358 pm edt sun oct 25 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...a cold front slowly drops southeast across the region
through tonight. following the passage of the front, an area of 
high pressure, averaging 30.60 inches, migrates southeast across 
ontario and new england through mid-week, while an area of low 
pressure lifts north across northern plains and up into the 
canadian prairies.


lhz462>464-260400-
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-
358 pm edt sun oct 25 2026

.tonight...south winds 5 to 10 knots increasing to 10 to 15 knots
late in the evening...then becoming southwest 5 to 10 knots after
midnight. waves 1 to 3 feet. 
.monday...north winds 10 to 15 knots. waves 1 to 3 feet. 
.monday night...north winds 10 to 15 knots veering to the
northeast after midnight. waves 2 to 4 feet. 
.tuesday...east winds 10 to 15 knots decreasing to 5 to 10 knots
in the late morning and afternoon. waves 1 to 3 feet. 
.tuesday night...east winds 5 to 10 knots becoming southeast
10 to 15 knots in the late evening and overnight. waves 1 to
3 feet building to 2 to 4 feet after midnight. 
.wednesday...south winds 10 to 15 knots. waves 2 to 4 feet. 
.thursday...southwest winds 10 to 15 knots becoming west 5 to
10 knots by midnight. a chance of rain until early evening. waves
1 to 3 feet. 
.friday...north winds 5 to 10 knots veering to the east . waves
2 feet or less. 


$$

fzus63 kmkx 251938
glflm 
expires:202610260315;;176521

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
238 pm cdt sun oct 25 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...

low pressure around 29.3 inches shifting east of hudson bay 
and high pressure around 30.6 inches tracking from saskatchewan 
to the northern great lakes through monday will result in a 
slow moving cold front from north to south across lake michigan.
expect modest southerly winds to abruptly become north to 
northeasterly with the frontal passage from north to south
overnight into monday morning. breezy north to northeast winds 
will continue through monday evening. look for winds to become 
southeasterly tuesday as low pressure of 30.0 inches tracks from
southwest minnesota to the duluth area, and become breezy out of
the south on wednesday as the next low of 29.9 inches takes a
similar path. winds will shift to northerly on thursday in the
wake of the associated trough. 


lmz080-669-671-673-675-777-779-870-872-874-876-878-260315-
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-
238 pm cdt sun oct 25 2026

sheboygan wi to pentwater mi south...

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

$$

fzus63 kmkx 251938
glflm 
expires:202610260315;;176520

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
238 pm cdt sun oct 25 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...

low pressure around 29.3 inches shifting east of hudson bay 
and high pressure around 30.6 inches tracking from saskatchewan 
to the northern great lakes through monday will result in a 
slow moving cold front from north to south across lake michigan.
expect modest southerly winds to abruptly become north to 
northeasterly with the frontal passage from north to south
overnight into monday morning. breezy north to northeast winds 
will continue through monday evening. look for winds to become 
southeasterly tuesday as low pressure of 30.0 inches tracks from
southwest minnesota to the duluth area, and become breezy out of
the south on wednesday as the next low of 29.9 inches takes a
similar path. winds will shift to northerly on thursday in the
wake of the associated trough. 


lmz261-362-364-366-563-565-567-868-260315-
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-
238 pm cdt sun oct 25 2026

sheboygan wi to pentwater mi north...

.tonight...north winds 10 to 15 kt increasing to 10 to 20 kt.
chance of rain showers this evening, then slight chance of rain
showers overnight. waves 2 to 4 ft. 
.monday...north winds 10 to 20 kt increasing to 15 to 25 kt.
waves 4 to 6 ft occasionally to 8 ft. 
.monday night...northeast winds 15 to 25 kt becoming east 10 to
20 kt. waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to
5 ft. 
.tuesday...southeast winds 10 to 20 kt. waves 4 to 6 ft
occasionally to 8 ft. 
.tuesday night...southeast winds 15 to 25 kt becoming south.
waves 4 to 6 ft occasionally to 8 ft. 
.wednesday...south winds to 30 kt. waves 4 to 6 ft occasionally
to 8 ft. 
.wednesday night...south winds to 30 kt becoming southwest.
chance of showers. waves 4 to 6 ft occasionally to 8 ft. 
.thursday...southwest winds 15 to 25 kt becoming west 10 to
20 kt. chance of showers. waves 3 to 5 ft. 
.friday...east winds 10 to 15 kt veering to south. chance of
showers. waves 1 to 2 ft.  

$$

fzus63 kmqt 252001
glfls 
expires:202610260800;;176916

open lake forecast for lake superior
national weather service marquette mi
400 pm edt sun oct 25 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...

30.7 inch high pressure over the canadian prairie extends 30.4 inch 
ridging over the great lakes by this evening. high pressure becomes 
centered over northern ontario at 30.5 inches on monday, shifting to 
the saint lawrence seaway on tuesday. a 29.7 inch low tracks from 
the northern plains tuesday night to the james bay at 29.6 inches by 
thursday morning, dragging a 29.9 inch trough across lake superior 
on wednesday. high pressure of 30.2 to 30.3 inches returns to the 
upper great lakes late thursday into friday.




lsz264-260800-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
400 pm edt sun oct 25 2026

.late this afternoon...west winds 10 to 20 knots. waves 2 to
4 feet. 
.tonight...northwest winds 10 to 20 knots veering north after
midnight. waves 2 to 4 feet. 
.monday...north winds 5 to 15 knots. waves subsiding to calm to
2 feet. 
.monday night...northeast winds 5 to 15 knots veering east late.
waves calm to 2 feet. 
.tuesday...southeast winds 15 to 25 knots. a chance of rain
showers. waves building to 3 to 6 feet occasionally to 8 feet. 
.tuesday night...southeast winds 20 to 30 knots becoming south
15 to 25 knots after midnight. a chance of showers through
midnight. waves 3 to 6 feet occasionally to 8 feet. 
.wednesday...south winds 10 to 20 knots becoming southwest 15 to
25 knots by mid afternoon. waves subsiding to 2 to 4 feet. 
.wednesday night...southwest winds 10 to 20 knots veering west
after midnight. a chance of showers. waves subsiding to 1 to
3 feet. 
.thursday...west winds 5 to 15 knots. waves subsiding to calm to
2 feet. 
.friday...west winds 5 to 15 knots backing southeast. waves calm
to 2 feet. 

$$

fzus63 kmqt 252001
glfls 
expires:202610260800;;176917

open lake forecast for lake superior
national weather service marquette mi
400 pm edt sun oct 25 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...

30.7 inch high pressure over the canadian prairie extends 30.4 inch 
ridging over the great lakes by this evening. high pressure becomes 
centered over northern ontario at 30.5 inches on monday, shifting to 
the saint lawrence seaway on tuesday. a 29.7 inch low tracks from 
the northern plains tuesday night to the james bay at 29.6 inches by 
thursday morning, dragging a 29.9 inch trough across lake superior 
on wednesday. high pressure of 30.2 to 30.3 inches returns to the 
upper great lakes late thursday into friday.




lsz265-260800-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
400 pm edt sun oct 25 2026

.late this afternoon...west winds 10 to 20 knots. waves 1 to
3 feet. 
.tonight...west winds 10 to 20 knots becoming north 15 to
25 knots after midnight. waves building to 2 to 4 feet. 
.monday...north winds 15 to 25 knots diminishing to 10 to
20 knots in the afternoon. waves subsiding to calm to 2 feet. 
.monday night...north winds 10 to 20 knots veering east after
midnight. waves calm to 2 feet. 
.tuesday...southeast winds 15 to 25 knots increasing to 20 to
30 knots by mid afternoon. a chance of rain showers by mid
afternoon. waves building to 3 to 6 feet occasionally to 8 feet. 
.tuesday night...southeast winds 20 to 30 knots becoming south
15 to 25 knots after midnight. waves subsiding to 2 to 4 feet. 
.wednesday...south winds 20 to 30 knots diminishing to 15 to
25 knots by mid afternoon. waves subsiding to calm to 2 feet. 
.wednesday night...southwest winds 15 to 25 knots veering west
after midnight. a chance of showers. waves calm to 2 feet. 
.thursday...west winds 10 to 20 knots. waves calm to 2 feet. 
.friday...west winds 10 to 20 knots backing southeast. a chance
of showers. waves calm to 2 feet. 

$$

fzus63 kmqt 252001
glfls 
expires:202610260800;;176914

open lake forecast for lake superior
national weather service marquette mi
400 pm edt sun oct 25 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...

30.7 inch high pressure over the canadian prairie extends 30.4 inch 
ridging over the great lakes by this evening. high pressure becomes 
centered over northern ontario at 30.5 inches on monday, shifting to 
the saint lawrence seaway on tuesday. a 29.7 inch low tracks from 
the northern plains tuesday night to the james bay at 29.6 inches by 
thursday morning, dragging a 29.9 inch trough across lake superior 
on wednesday. high pressure of 30.2 to 30.3 inches returns to the 
upper great lakes late thursday into friday.




lsz162-260800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 pm edt sun oct 25 2026 /300 pm cdt sun oct 25 2026/

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

$$

fzus63 kmqt 252001
glfls 
expires:202610260800;;176919

open lake forecast for lake superior
national weather service marquette mi
400 pm edt sun oct 25 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...

30.7 inch high pressure over the canadian prairie extends 30.4 inch 
ridging over the great lakes by this evening. high pressure becomes 
centered over northern ontario at 30.5 inches on monday, shifting to 
the saint lawrence seaway on tuesday. a 29.7 inch low tracks from 
the northern plains tuesday night to the james bay at 29.6 inches by 
thursday morning, dragging a 29.9 inch trough across lake superior 
on wednesday. high pressure of 30.2 to 30.3 inches returns to the 
upper great lakes late thursday into friday.




lsz267-260800-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
400 pm edt sun oct 25 2026

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

$$

fzus63 kmqt 252001
glfls 
expires:202610260800;;176918

open lake forecast for lake superior
national weather service marquette mi
400 pm edt sun oct 25 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...

30.7 inch high pressure over the canadian prairie extends 30.4 inch 
ridging over the great lakes by this evening. high pressure becomes 
centered over northern ontario at 30.5 inches on monday, shifting to 
the saint lawrence seaway on tuesday. a 29.7 inch low tracks from 
the northern plains tuesday night to the james bay at 29.6 inches by 
thursday morning, dragging a 29.9 inch trough across lake superior 
on wednesday. high pressure of 30.2 to 30.3 inches returns to the 
upper great lakes late thursday into friday.




lsz266-260800-
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 sun oct 25 2026

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

$$

fzus63 kmqt 252001
glfls 
expires:202610260800;;176915

open lake forecast for lake superior
national weather service marquette mi
400 pm edt sun oct 25 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...

30.7 inch high pressure over the canadian prairie extends 30.4 inch 
ridging over the great lakes by this evening. high pressure becomes 
centered over northern ontario at 30.5 inches on monday, shifting to 
the saint lawrence seaway on tuesday. a 29.7 inch low tracks from 
the northern plains tuesday night to the james bay at 29.6 inches by 
thursday morning, dragging a 29.9 inch trough across lake superior 
on wednesday. high pressure of 30.2 to 30.3 inches returns to the 
upper great lakes late thursday into friday.




lsz263-260800-
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 sun oct 25 2026

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

$$