fzus61 kbuf 262003
glflo 
expires:202610270300;;763611

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt mon oct 26 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 ridge averaging 30.6 inches will affect the lake 
through thursday as the embedded high pressure center wobbles 
southeastward from near manitoba to north atlantic waters southeast 
of the canadian maritimes. the ridge exits eastward thursday night 
as a cold front sweeps eastward across the lake. behind the front, 
another ridge averaging 30.2 inches builds from the western great 
lakes through saturday.


loz063>065-270300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 pm edt mon oct 26 2026

.tonight...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 10 knots or less. waves 1 foot or
less. 
.wednesday night...southeast winds 5 to 15 knots becoming south.
waves 1 to 3 feet. 
.thursday...south winds 10 to 15 knots becoming west. a chance of
showers thursday night. waves 1 to 3 feet building to 2 to
4 feet. 
.friday...west winds 5 to 15 knots becoming northwest. a chance
of showers during the day. waves 2 to 4 feet subsiding to 1 to
3 feet. 
.saturday...northeast winds 10 knots or less becoming southeast.
waves 1 foot or less. 

$$

fzus61 kbuf 262003
glflo 
expires:202610270300;;763610

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt mon oct 26 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 ridge averaging 30.6 inches will affect the lake 
through thursday as the embedded high pressure center wobbles 
southeastward from near manitoba to north atlantic waters southeast 
of the canadian maritimes. the ridge exits eastward thursday night 
as a cold front sweeps eastward across the lake. behind the front, 
another ridge averaging 30.2 inches builds from the western great 
lakes through saturday.


loz062-270300-
lake ontario open waters from the niagara river to hamlin beach-
402 pm edt mon oct 26 2026

.tonight...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...southeast winds 10 knots or less becoming east.
waves 2 feet or less. 
.wednesday night...east winds 10 knots or less becoming
southwest. waves 1 foot or less. 
.thursday...southwest winds 10 to 15 knots becoming west. a
chance of showers thursday night. waves 1 to 3 feet building to
2 to 4 feet. 
.friday...northwest winds 5 to 15 knots diminishing to less than
10 knots. waves 1 to 3 feet subsiding to 1 foot or less. 
.saturday...northeast winds 10 knots or less becoming southeast.
waves 1 foot or less. 

$$

fzus61 kcle 261937
glfle 
expires:202610270215;;762854

open lake forecast for lake erie
national weather service cleveland oh
337 pm edt mon oct 26 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 weak cold front will continue its track across lake erie this
evening. a ridge averaging 30.40 inches will be quick to return 
behind the cold front tonight and remain in place through 
wednesday. the next cold front enters from the northwest on 
thursday night.



lez164>167-270215-
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-willowick to geneva-on-the-
lake oh beyond 5nm off shoreline to us-canadian border-
337 pm edt mon oct 26 2026

.tonight...north winds 10 to 15 knots becoming northeast. waves
1 to 3 feet. 
.tuesday...east winds 5 to 15 knots becoming northeast 15 to
20 knots. waves 2 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 5 to 10 knots becoming light and
variable. waves 2 feet or less. 
.wednesday night...southeast winds 5 to 15 knots becoming south.
waves 2 feet or less. 
.thursday...southwest winds 10 to 15 knots becoming west. waves
1 to 3 feet. 
.friday...northwest winds 5 to 10 knots becoming east. waves 1 to
3 feet subsiding to 1 foot or less. 
.saturday...southeast winds 5 to 10 knots. waves 1 foot or less. 

$$

fzus61 kcle 261937
glfle 
expires:202610270215;;762855

open lake forecast for lake erie
national weather service cleveland oh
337 pm edt mon oct 26 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 weak cold front will continue its track across lake erie this
evening. a ridge averaging 30.40 inches will be quick to return 
behind the cold front tonight and remain in place through 
wednesday. the next cold front enters from the northwest on 
thursday night.



lez061-168-169-270215-
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-
337 pm edt mon oct 26 2026

.tonight...northwest winds 5 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 5 to 15 knots becoming
southeast. waves 1 to 3 feet. 
.wednesday...southeast winds less than 10 knots. waves 1 foot or
less. 
.wednesday night...southeast winds 10 knots or less becoming
south 10 to 15 knots. waves 2 feet or less. 
.thursday...south winds 10 to 15 knots becoming west 15 to
20 knots. a chance of showers thursday night. waves 1 to 3 feet. 
.friday...northwest winds 10 knots or less becoming northeast.
waves 1 to 3 feet subsiding to 1 foot or less. 
.saturday...east winds 5 to 10 knots becoming southeast. waves
1 foot or less. 

$$

fzus61 kcle 261937
glfle 
expires:202610270215;;762853

open lake forecast for lake erie
national weather service cleveland oh
337 pm edt mon oct 26 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 weak cold front will continue its track across lake erie this
evening. a ridge averaging 30.40 inches will be quick to return 
behind the cold front tonight and remain in place through 
wednesday. the next cold front enters from the northwest on 
thursday night.



lez162-163-270215-
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-
337 pm edt mon oct 26 2026

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

$$

fzus63 kdtx 261904
glfsc 
expires:202610270315;;761963

lake st clair forecast
national weather service detroit/pontiac mi
304 pm edt mon oct 26 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...high pressure, 30.7 inches, will move from southern
manitoba this afternoon to southern quebec by tuesday evening,
weakening to 30.5 inches. low pressure is forecast to move across
northern ontario into quebec on thursday, dragging a cold front
across the great lakes. this front will provide the next chance
for light rain.


lcz460-270315-
lake st clair-
304 pm edt mon oct 26 2026

.tonight...northeast winds 10 to 15 knots. mostly cloudy this
evening becoming partly cloudy. waves 1 to 3 feet.
.tuesday...northeast winds 10 to 15 knots becoming east 5 to 10
knots in the late morning and afternoon. partly sunny. waves 2 feet
or less.
.tuesday night...southeast winds 10 to 15 knots. partly cloudy early
in the evening becoming mostly cloudy. waves 2 feet or less.
.wednesday...south winds 5 to 10 knots. partly sunny. waves 2 feet
or less.
.wednesday night...south winds 5 to 10 knots. partly cloudy. waves 2
feet or less.
.thursday...southwest winds 10 to 15 knots. partly sunny becoming
mostly sunny in the afternoon becoming partly cloudy. waves 2 feet
or less.
.friday...east winds 5 to 10 knots. partly cloudy. waves 2 feet or
less.
.saturday...east winds 5 to 10 knots. partly cloudy. waves 2 feet or
less.

$$

fzus63 kdtx 261903
glflh 
expires:202610270315;;761950

open lake forecast for lake huron
national weather service detroit/pontiac mi
303 pm edt mon oct 26 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...high pressure, 30.7 inches, will move from southern
manitoba this afternoon to southern quebec by tuesday evening,
weakening to 30.5 inches. low pressure is forecast to move across
northern ontario into quebec on thursday, dragging a cold front
across the great lakes. this front will provide the next chance
for light rain.


lhz462>464-270315-
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-
303 pm edt mon oct 26 2026

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


$$

fzus63 kdtx 261903
glflh 
expires:202610270315;;761949

open lake forecast for lake huron
national weather service detroit/pontiac mi
303 pm edt mon oct 26 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...high pressure, 30.7 inches, will move from southern
manitoba this afternoon to southern quebec by tuesday evening,
weakening to 30.5 inches. low pressure is forecast to move across
northern ontario into quebec on thursday, dragging a cold front
across the great lakes. this front will provide the next chance
for light rain.


lhz362-363-270315-
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-
303 pm edt mon oct 26 2026

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


$$

fzus63 kdtx 261903
glflh 
expires:202610270315;;761948

open lake forecast for lake huron
national weather service detroit/pontiac mi
303 pm edt mon oct 26 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...high pressure, 30.7 inches, will move from southern
manitoba this afternoon to southern quebec by tuesday evening,
weakening to 30.5 inches. low pressure is forecast to move across
northern ontario into quebec on thursday, dragging a cold front
across the great lakes. this front will provide the next chance
for light rain.


lhz361-270315-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
303 pm edt mon oct 26 2026

.tonight...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 becoming southeast 15 to
20 knots late in the afternoon. waves 1 to 3 feet building to
2 to 4 feet late in the afternoon. 
.tuesday night...southeast winds 15 to 20 knots decreasing to
10 to 15 knots in the late evening and overnight. waves 2 to
4 feet. 
.wednesday...south winds 10 to 15 knots decreasing to 5 to
10 knots in the late morning and afternoon. waves 1 to 3 feet. 
.wednesday night...south winds 5 to 10 knots increasing to 10 to
15 knots in the late evening and overnight. waves 1 to 3 feet. 
.thursday...southwest winds 10 to 15 knots becoming northwest
5 to 10 knots late in the afternoon. a chance of rain. waves
2 feet or less. 
.friday...northwest winds 5 to 10 knots early in the morning
becoming light and variable. waves 2 feet or less. 
.saturday...northeast winds 5 to 10 knots veering to the
southeast. a chance of rain . waves 2 feet or less. 


$$

fzus63 kmkx 261941
glflm 
expires:202610270315;;763010

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
241 pm cdt mon oct 26 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 30.5 inches tracking from manitoba to the 
northern great lakes region tonight will support modest to breezy 
northeast to east winds. look for winds to become southeast on 
tuesday, as low pressure around 30.0 inches tracks from southwest 
minnesota to the lake superior region. 

modest to breezy south winds are expected for tuesday night into 
wednesday, as the next low pressure system around 29.9 inches 
takes a similar path across the midwest. a cold front will move 
across the lake wednesday night into thursday, with winds shifting
to the northwest and north behind it thursday night into friday.


lmz261-362-364-366-563-565-567-868-270315-
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-
241 pm cdt mon oct 26 2026

sheboygan wi to pentwater mi north...

.tonight...northeast winds 10 to 20 kt becoming east. waves 4 to
6 ft occasionally to 8 ft subsiding to 2 to 4 ft. 
.tuesday...southeast winds 10 to 20 kt. waves 2 to 4 ft building
to 4 to 6 ft occasionally to 8 ft. 
.tuesday night...southeast winds 15 to 25 kt becoming south 10 to
20 kt. waves 3 to 5 ft. 
.wednesday...south winds 10 to 20 kt. waves 2 to 4 ft. 
.wednesday night...south winds 15 to 25 kt becoming southwest to
30 kt. waves 4 to 6 ft occasionally to 8 ft. 
.thursday...southwest winds to 30 kt becoming west 10 to 20 kt in
the afternoon. chance of showers in the morning. waves 4 to 6 ft
occasionally to 8 ft. 
.thursday night...northwest winds 10 to 15 kt becoming north 5 to
10 kt. waves 2 to 4 ft subsiding to 1 to 2 ft. 
.friday...north winds 5 to 10 kt backing to southwest. waves 1 to
2 ft. 
.saturday...southeast winds 10 to 20 kt. chance of showers. waves
1 to 3 ft.  

$$

fzus63 kmkx 261941
glflm 
expires:202610270315;;763011

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
241 pm cdt mon oct 26 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 30.5 inches tracking from manitoba to the 
northern great lakes region tonight will support modest to breezy 
northeast to east winds. look for winds to become southeast on 
tuesday, as low pressure around 30.0 inches tracks from southwest 
minnesota to the lake superior region. 

modest to breezy south winds are expected for tuesday night into 
wednesday, as the next low pressure system around 29.9 inches 
takes a similar path across the midwest. a cold front will move 
across the lake wednesday night into thursday, with winds shifting
to the northwest and north behind it thursday night into friday.


lmz080-669-671-673-675-777-779-870-872-874-876-878-270315-
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-
241 pm cdt mon oct 26 2026

sheboygan wi to pentwater mi south...

.tonight...northeast winds 10 to 20 kt becoming east. waves 4 to
7 ft occasionally to 9 ft subsiding to 4 to 6 ft occasionally to
8 ft. 
.tuesday...southeast winds 15 to 25 kt diminishing to 10 to
20 kt. waves 4 to 7 ft occasionally to 9 ft. 
.tuesday night...southeast winds 10 to 20 kt becoming south.
waves 3 to 5 ft subsiding to 2 to 4 ft. 
.wednesday...south winds 10 to 20 kt. waves 2 to 4 ft. 
.wednesday night...south winds 10 to 20 kt increasing to 15 to
25 kt. waves 3 to 5 ft. 
.thursday...southwest winds 15 to 25 kt diminishing to 10 to
20 kt. chance of showers. waves 4 to 6 ft occasionally to 8 ft. 
.thursday night...northwest winds 5 to 10 kt becoming north.
waves 2 to 4 ft subsiding to 1 to 2 ft. 
.friday...northeast winds 5 to 10 kt becoming east. waves 1 to
2 ft. 
.saturday...southeast winds 10 to 20 kt. waves 1 to 3 ft.  

$$

fzus63 kmqt 262001
glfls 
expires:202610270800;;763438

open lake forecast for lake superior
national weather service marquette mi
400 pm edt mon oct 26 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...

high pressure centered over the manitoba/ontario border continues to 
slowly shift eastward tonight, reaching the saint lawrence seaway on 
tuesday. this keeps ridging of at least 30.4 inches over the lake 
through tuesday afternoon. a 29.8 inch low tracks from the northern 
plains tuesday night to james bay at 29.6 inches by thursday 
morning, dragging a 29.9 inch trough across lake superior wednesday 
evening to thursday morning. high pressure of 30.2 to 30.3 inches 
returns to the upper great lakes by friday.




lsz264-270800-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
400 pm edt mon oct 26 2026

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

$$

fzus63 kmqt 262001
glfls 
expires:202610270800;;763439

open lake forecast for lake superior
national weather service marquette mi
400 pm edt mon oct 26 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...

high pressure centered over the manitoba/ontario border continues to 
slowly shift eastward tonight, reaching the saint lawrence seaway on 
tuesday. this keeps ridging of at least 30.4 inches over the lake 
through tuesday afternoon. a 29.8 inch low tracks from the northern 
plains tuesday night to james bay at 29.6 inches by thursday 
morning, dragging a 29.9 inch trough across lake superior wednesday 
evening to thursday morning. high pressure of 30.2 to 30.3 inches 
returns to the upper great lakes by friday.




lsz265-270800-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
400 pm edt mon oct 26 2026

.late this afternoon...north winds 10 to 20 knots. waves 1 to
3 feet subsiding to calm to 2 feet. 
.tonight...northeast winds 10 to 20 knots veering east after
midnight. waves calm to 2 feet. 
.tuesday...southeast winds 10 to 20 knots increasing to 20 to
30 knots. a chance of showers. waves building to 3 to 5 feet
occasionally to 7 feet. 
.tuesday night...south winds 20 to 30 knots diminishing to 10 to
20 knots. a slight chance of showers through midnight. waves
building to 3 to 6 feet occasionally to 8 feet, then subsiding to
1 to 3 feet. 
.wednesday...south winds 10 to 20 knots. waves subsiding to calm
to 2 feet. 
.wednesday night...south winds 15 to 25 knots becoming west 20 to
30 knots after midnight. showers. waves calm to 2 feet. 
.thursday...west winds 20 to 30 knots. waves building to 1 to
3 feet. 
.thursday night...west winds 15 to 25 knots diminishing to 10 to
20 knots after midnight. waves subsiding to calm to 2 feet. 
.friday...west winds 10 to 20 knots becoming southeast 5 to
15 knots. waves calm to 2 feet. 
.saturday...southeast winds 10 to 20 knots veering south. a
chance of showers. waves calm to 2 feet. 

$$

fzus63 kmqt 262001
glfls 
expires:202610270800;;763436

open lake forecast for lake superior
national weather service marquette mi
400 pm edt mon oct 26 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...

high pressure centered over the manitoba/ontario border continues to 
slowly shift eastward tonight, reaching the saint lawrence seaway on 
tuesday. this keeps ridging of at least 30.4 inches over the lake 
through tuesday afternoon. a 29.8 inch low tracks from the northern 
plains tuesday night to james bay at 29.6 inches by thursday 
morning, dragging a 29.9 inch trough across lake superior wednesday 
evening to thursday morning. high pressure of 30.2 to 30.3 inches 
returns to the upper great lakes by friday.




lsz162-270800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 pm edt mon oct 26 2026 /300 pm cdt mon oct 26 2026/

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

$$

fzus63 kmqt 262001
glfls 
expires:202610270800;;763441

open lake forecast for lake superior
national weather service marquette mi
400 pm edt mon oct 26 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...

high pressure centered over the manitoba/ontario border continues to 
slowly shift eastward tonight, reaching the saint lawrence seaway on 
tuesday. this keeps ridging of at least 30.4 inches over the lake 
through tuesday afternoon. a 29.8 inch low tracks from the northern 
plains tuesday night to james bay at 29.6 inches by thursday 
morning, dragging a 29.9 inch trough across lake superior wednesday 
evening to thursday morning. high pressure of 30.2 to 30.3 inches 
returns to the upper great lakes by friday.




lsz267-270800-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
400 pm edt mon oct 26 2026

.late this afternoon...north winds 10 to 20 knots. waves 1 to
3 feet. 
.tonight...north winds 10 to 20 knots veering east after
midnight, then veering southeast late. waves subsiding to calm to
2 feet. 
.tuesday...southeast winds 10 to 20 knots increasing to 20 to
30 knots. a slight 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, then subsiding to 2 to 4 feet. 
.wednesday...south winds 15 to 25 knots diminishing to 10 to
20 knots by mid afternoon. waves subsiding to calm to 2 feet. 
.wednesday night...south winds 15 to 25 knots becoming southwest
20 to 30 knots after midnight. showers after midnight. waves
building to 2 to 4 feet. 
.thursday...west winds 15 to 25 knots. waves 2 to 4 feet. 
.thursday night...northwest winds 15 to 25 knots diminishing to
10 to 20 knots after midnight. waves 2 to 4 feet. 
.friday...northwest winds 10 to 20 knots diminishing to 5 to
15 knots. waves subsiding to calm to 2 feet. 
.saturday...south winds 10 to 20 knots. waves calm to 2 feet. 

$$

fzus63 kmqt 262001
glfls 
expires:202610270800;;763440

open lake forecast for lake superior
national weather service marquette mi
400 pm edt mon oct 26 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...

high pressure centered over the manitoba/ontario border continues to 
slowly shift eastward tonight, reaching the saint lawrence seaway on 
tuesday. this keeps ridging of at least 30.4 inches over the lake 
through tuesday afternoon. a 29.8 inch low tracks from the northern 
plains tuesday night to james bay at 29.6 inches by thursday 
morning, dragging a 29.9 inch trough across lake superior wednesday 
evening to thursday morning. high pressure of 30.2 to 30.3 inches 
returns to the upper great lakes by friday.




lsz266-270800-
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 mon oct 26 2026

.late this afternoon...north winds 10 to 20 knots. waves 1 to
3 feet. 
.tonight...north winds 5 to 15 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. a chance of rain showers. waves building to 3 to 5 feet
occasionally to 7 feet. 
.tuesday night...southeast winds to 30 knots with a few gale
force gusts to 35 knots possible becoming south 20 to 30 knots
after midnight, then diminishing to 15 to 25 knots late. a chance
of showers through midnight. waves building to 3 to 6 feet
occasionally to 8 feet. 
.wednesday...south winds 15 to 25 knots diminishing to 10 to
20 knots by mid afternoon. waves subsiding to calm to 2 feet. 
.wednesday night...south winds 15 to 25 knots veering southwest
after midnight. a chance of showers through midnight, then
showers after midnight. waves building to 2 to 4 feet. 
.thursday...west winds 15 to 25 knots. waves 2 to 4 feet. 
.thursday night...northwest winds 15 to 25 knots diminishing to
10 to 20 knots after midnight. waves subsiding to 1 to 3 feet. 
.friday...west winds 5 to 15 knots veering northwest. waves
subsiding to calm to 2 feet. 
.saturday...southeast winds 10 to 20 knots veering south. a
chance of showers. waves calm to 2 feet. 

$$

fzus63 kmqt 262001
glfls 
expires:202610270800;;763437

open lake forecast for lake superior
national weather service marquette mi
400 pm edt mon oct 26 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...

high pressure centered over the manitoba/ontario border continues to 
slowly shift eastward tonight, reaching the saint lawrence seaway on 
tuesday. this keeps ridging of at least 30.4 inches over the lake 
through tuesday afternoon. a 29.8 inch low tracks from the northern 
plains tuesday night to james bay at 29.6 inches by thursday 
morning, dragging a 29.9 inch trough across lake superior wednesday 
evening to thursday morning. high pressure of 30.2 to 30.3 inches 
returns to the upper great lakes by friday.




lsz263-270800-
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 mon oct 26 2026

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

$$