fzus61 kbuf 240803
glflo 
expires:202610241500;;095862

open lake forecast for lake ontario
national weather service buffalo ny
402 am edt sat oct 24 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 30.5 inches affects the lake through 
sunday night as the embedded high pressure center drifts generally 
southward from southern quebec toward the mid-atlantic states. the 
ridge then exits southeastward as a weak cold front sweeps 
southeastward across the lake on monday. behind the front, another 
ridge averaging 30.5 inches affects the lake through this wednesday 
as the embedded high pressure center wobbles southeastward from near 
manitoba to near the gulf of maine.


loz062-241500-
lake ontario open waters from the niagara river to hamlin beach-
402 am edt sat oct 24 2026

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

$$

fzus61 kbuf 240803
glflo 
expires:202610241500;;095863

open lake forecast for lake ontario
national weather service buffalo ny
402 am edt sat oct 24 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 30.5 inches affects the lake through 
sunday night as the embedded high pressure center drifts generally 
southward from southern quebec toward the mid-atlantic states. the 
ridge then exits southeastward as a weak cold front sweeps 
southeastward across the lake on monday. behind the front, another 
ridge averaging 30.5 inches affects the lake through this wednesday 
as the embedded high pressure center wobbles southeastward from near 
manitoba to near the gulf of maine.


loz063>065-241500-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 am edt sat oct 24 2026

.today...southeast winds less than 10 knots becoming east. waves
1 foot or less. 
.tonight...east winds 10 knots or less becoming south. waves
2 feet or less. 
.sunday...south winds 5 to 15 knots becoming southwest. waves
2 feet or less. 
.sunday night...south winds 5 to 15 knots becoming southwest.
waves 2 feet or less. 
.monday...southwest winds 10 to 15 knots becoming northeast 15 to
20 knots. waves 1 to 3 feet building to 2 to 4 feet. 
.tuesday...northeast winds 15 to 20 knots becoming east and
diminishing to 5 to 10 knots. waves 2 to 4 feet subsiding to
1 foot or less. 
.wednesday...east winds 5 to 15 knots becoming south 15 to
20 knots. waves 2 feet or less building to 2 to 4 feet. 

$$

fzus61 kcle 240737
glfle 
expires:202610241415;;094987

open lake forecast for lake erie
national weather service cleveland oh
337 am edt sat oct 24 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 over the new england states will shift
south along the east coast through sunday. a weak cold front will
approach the area on monday. high pressure 30.50 inches will 
return from the north on tuesday and wednesday.


lez162>164-241415-
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 am edt sat oct 24 2026

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

$$

fzus61 kcle 240737
glfle 
expires:202610241415;;094988

open lake forecast for lake erie
national weather service cleveland oh
337 am edt sat oct 24 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 over the new england states will shift
south along the east coast through sunday. a weak cold front will
approach the area on monday. high pressure 30.50 inches will 
return from the north on tuesday and wednesday.


lez165>167-241415-
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 am edt sat oct 24 2026

.today...southeast winds 10 knots or less becoming northeast.
waves 1 foot or less. 
.tonight...east winds 5 to 10 knots becoming south. waves 2 feet
or less. 
.sunday...south winds 10 knots or less becoming southwest. waves
2 feet or less. 
.sunday night...southeast winds 10 knots or less becoming
southwest 10 to 15 knots. waves 2 feet or less. 
.monday...southwest winds 5 to 10 knots becoming northeast and
increasing to 15 to 20 knots. waves 1 to 3 feet. 
.tuesday...northeast winds 10 to 15 knots becoming east. waves
2 to 4 feet subsiding to 1 to 3 feet. 
.wednesday...southeast winds 5 to 15 knots becoming south. waves
2 feet or less. 

$$

fzus61 kcle 240737
glfle 
expires:202610241415;;094989

open lake forecast for lake erie
national weather service cleveland oh
337 am edt sat oct 24 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 over the new england states will shift
south along the east coast through sunday. a weak cold front will
approach the area on monday. high pressure 30.50 inches will 
return from the north on tuesday and wednesday.


lez061-168-169-241415-
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 am edt sat oct 24 2026

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

$$

fzus63 kdtx 240748
glfsc 
expires:202610241600;;095437

lake st clair forecast
national weather service detroit/pontiac mi
348 am edt sat oct 24 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, 30.50 inches, broadens over new england
over the weekend, sustaining an extended period of tranquil and
mainly dry conditions over the central greak lakes into next
week. a cold front will move through on sunday, with a mainly dry
passage.


lcz460-241600-
lake st clair-
348 am edt sat oct 24 2026

.today...east winds 5 to 10 knots in the morning becoming light and
variable. sunny. waves 2 feet or less.
.tonight...southeast winds 5 to 10 knots this evening becoming light
and variable. mostly clear. waves 2 feet or less.
.sunday...light and variable winds becoming south 5 to 10 knots in
the late morning and afternoon. partly sunny. waves 2 feet or less.
.sunday night...southwest winds 5 to 10 knots. partly cloudy. waves
2 feet or less.
.monday...northwest winds 5 to 10 knots veering to the north in the
afternoon...then becoming northeast 15 to 20 knots in the evening.
partly cloudy. waves 2 feet or less.
.tuesday...east winds 10 to 15 knots. partly cloudy. waves 2 feet or
less.
.wednesday...southeast winds 10 to 15 knots. partly cloudy. waves 2
feet or less.

$$

fzus63 kdtx 240746
glflh 
expires:202610241600;;095306

open lake forecast for lake huron
national weather service detroit/pontiac mi
346 am edt sat oct 24 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, 30.50 inches, broadens over new england
over the weekend, sustaining an extended period of tranquil and
mainly dry conditions over the central greak lakes into next
week. a cold front will move through on sunday, with a mainly dry
passage.


lhz361-362-241600-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
346 am edt sat oct 24 2026

.today...south winds 5 to 10 knots increasing to 10 to 15 knots
in the afternoon. waves 1 to 3 feet. 
.tonight...south winds 10 to 15 knots. waves 2 to 4 feet. 
.sunday...south winds 10 to 15 knots decreasing to 5 to 10 knots
early in the afternoon. waves 2 to 4 feet. 
.sunday night...south winds 5 to 10 knots veering to the west by
midnight...then becoming northwest 10 to 15 knots after midnight.
waves 1 to 3 feet. 
.monday...north winds 10 to 15 knots. waves 1 to 3 feet. 
.tuesday...east winds 5 to 10 knots. waves 1 to 3 feet. 
.wednesday...southeast winds 10 to 15 knots increasing to 15 to
20 knots . a chance of rain by midnight. waves 1 to 3 feet
building to 2 to 4 feet . 


$$

fzus63 kdtx 240746
glflh 
expires:202610241600;;095307

open lake forecast for lake huron
national weather service detroit/pontiac mi
346 am edt sat oct 24 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, 30.50 inches, broadens over new england
over the weekend, sustaining an extended period of tranquil and
mainly dry conditions over the central greak lakes into next
week. a cold front will move through on sunday, with a mainly dry
passage.


lhz363-462>464-241600-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
lake huron from port austin to harbor beach beyond 5nm off shore-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
346 am edt sat oct 24 2026

.today...southeast winds 5 to 10 knots. waves 2 feet or less. 
.tonight...southeast winds 5 to 10 knots becoming south 10 to
15 knots in the late evening and overnight. waves 1 to 3 feet. 
.sunday...south winds 10 to 15 knots. waves 1 to 3 feet. 
.sunday night...south winds 10 to 15 knots veering to the west
after midnight. waves 1 to 3 feet. 
.monday...north winds 10 to 15 knots. waves 1 to 3 feet building
to 2 to 4 feet late in the afternoon. 
.tuesday...northeast winds 10 to 15 knots becoming east 5 to
10 knots. waves 1 to 3 feet. 
.wednesday...southeast winds 10 to 15 knots becoming south 15 to
20 knots by midnight. waves 1 to 3 feet building to 2 to 4 feet
by midnight. 


$$

fzus63 kmkx 240757
glflm 
expires:202610241515;;095523

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
257 am cdt sat oct 24 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 30.4 inches will prevail over new england and
the mid atlantic states today into sunday, while 29.3 inch low 
pressure tracks from western manitoba to hudson bay. this pressure
pattern will result in modest to breezy southerly winds over lake
michigan today and tonight. 

winds will then trend southwesterly while steadily weakening 
ahead of an approaching cold front on sunday. currently expecting 
the front to move south across lake michigan late sunday afternoon
into sunday evening, bringing a breezy northeast wind shift. 
breezy northeast winds will continue through monday as 30.7 inch 
high pressure slides into ontario from the canadian great plains. 
winds will trend easterly and eventually southerly tuesday into 
the middle of next week as the aforementioned high shifts into the
northeastern united states.


lmz261-362-364-366-563-565-567-868-241515-
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-
257 am cdt sat oct 24 2026

sheboygan wi to pentwater mi north...

.today...south winds 10 to 20 kt increasing to 30 kt. waves 2 to
4 ft building to 4 to 6 ft occasionally to 8 ft. 
.tonight...south winds to 30 kt becoming southwest 15 to 25 kt.
waves 4 to 6 ft occasionally to 8 ft. 
.sunday...southwest winds 15 to 25 kt becoming west 10 to 20 kt.
chance of showers in the afternoon. waves 3 to 5 ft subsiding to
2 to 4 ft. 
.sunday night...north winds 10 to 15 kt increasing to 10 to
20 kt. 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 diminishing to 10 to
20 kt. waves 4 to 6 ft occasionally to 8 ft. 
.tuesday...east winds 10 to 20 kt becoming southeast. waves 2 to
4 ft. 
.wednesday...south winds 15 to 25 kt. waves 4 to 6 ft
occasionally to 8 ft.  

$$

fzus63 kmkx 240757
glflm 
expires:202610241515;;095524

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
257 am cdt sat oct 24 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 30.4 inches will prevail over new england and
the mid atlantic states today into sunday, while 29.3 inch low 
pressure tracks from western manitoba to hudson bay. this pressure
pattern will result in modest to breezy southerly winds over lake
michigan today and tonight. 

winds will then trend southwesterly while steadily weakening 
ahead of an approaching cold front on sunday. currently expecting 
the front to move south across lake michigan late sunday afternoon
into sunday evening, bringing a breezy northeast wind shift. 
breezy northeast winds will continue through monday as 30.7 inch 
high pressure slides into ontario from the canadian great plains. 
winds will trend easterly and eventually southerly tuesday into 
the middle of next week as the aforementioned high shifts into the
northeastern united states.


lmz080-669-671-673-675-777-779-870-872-874-876-878-241515-
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-
257 am cdt sat oct 24 2026

sheboygan wi to pentwater mi south...

.today...south winds 10 to 20 kt increasing to 15 to 25 kt. waves
4 to 6 ft occasionally to 8 ft. 
.tonight...south winds 15 to 25 kt diminishing to 10 to 20 kt.
waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft. 
.sunday...south winds 10 to 20 kt. waves 2 to 4 ft. 
.sunday night...south winds 10 to 15 kt veering to northwest
10 to 20 kt. waves 2 to 4 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
7 ft occasionally to 9 ft. 
.tuesday...east winds 10 to 20 kt becoming southeast. waves 3 to
5 ft. 
.wednesday...south winds 15 to 25 kt increasing to 30 kt. waves
4 to 6 ft occasionally to 8 ft.  

$$

fzus63 kmqt 240800
glfls 
expires:202610242000;;095679

open lake forecast for lake superior
national weather service marquette mi
400 am edt sat oct 24 2026

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

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

.synopsis...

a 30.5 inch high pressure over new england is extending a 30.2 inch 
ridge over lake superior this morning. by this afternoon, a 29.2 
inch low over northern manitoba drags a 30.1 inch trough over the 
west half of lake superior. the trough remains over the lake until 
tonight. high pressure of 30.6 inches over the canadian prairies on 
sunday pushes ridging of 30.4 inches over the upper great lakes. the 
high pressure moves over northern ontario at 30.5 inches monday into 
tuesday. a weak 30.0 inch low lifts north over minnesota on tuesday. 
then, a 29.8 inch low quickly follows a similar northeast track over 
the dakotas/northwestern minnesota tuesday night into wednesday 
while the high moves to new england. the low then tracks northeast 
over northern ontario on wednesday.




lsz264-242000-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
400 am edt sat oct 24 2026

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

$$

fzus63 kmqt 240800
glfls 
expires:202610242000;;095680

open lake forecast for lake superior
national weather service marquette mi
400 am edt sat oct 24 2026

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

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

.synopsis...

a 30.5 inch high pressure over new england is extending a 30.2 inch 
ridge over lake superior this morning. by this afternoon, a 29.2 
inch low over northern manitoba drags a 30.1 inch trough over the 
west half of lake superior. the trough remains over the lake until 
tonight. high pressure of 30.6 inches over the canadian prairies on 
sunday pushes ridging of 30.4 inches over the upper great lakes. the 
high pressure moves over northern ontario at 30.5 inches monday into 
tuesday. a weak 30.0 inch low lifts north over minnesota on tuesday. 
then, a 29.8 inch low quickly follows a similar northeast track over 
the dakotas/northwestern minnesota tuesday night into wednesday 
while the high moves to new england. the low then tracks northeast 
over northern ontario on wednesday.




lsz265-242000-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
400 am edt sat oct 24 2026

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

$$

fzus63 kmqt 240800
glfls 
expires:202610242000;;095681

open lake forecast for lake superior
national weather service marquette mi
400 am edt sat oct 24 2026

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

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

.synopsis...

a 30.5 inch high pressure over new england is extending a 30.2 inch 
ridge over lake superior this morning. by this afternoon, a 29.2 
inch low over northern manitoba drags a 30.1 inch trough over the 
west half of lake superior. the trough remains over the lake until 
tonight. high pressure of 30.6 inches over the canadian prairies on 
sunday pushes ridging of 30.4 inches over the upper great lakes. the 
high pressure moves over northern ontario at 30.5 inches monday into 
tuesday. a weak 30.0 inch low lifts north over minnesota on tuesday. 
then, a 29.8 inch low quickly follows a similar northeast track over 
the dakotas/northwestern minnesota tuesday night into wednesday 
while the high moves to new england. the low then tracks northeast 
over northern ontario on wednesday.




lsz266-242000-
lake superior east of a line from manitou island to marquette mi
and west of a line from grand marais mi to the us/canadian border
beyond 5nm from shore-
400 am edt sat oct 24 2026

.early this morning...south winds 15 to 25 knots. waves 2 to
4 feet. 
.today...south winds 20 to 30 knots increasing to 30 knots with a
few gale force gusts to 35 knots possible in the afternoon.
sprinkles through early afternoon. waves building to 4 to 7 feet
occasionally to 9 feet. 
.tonight...south winds 20 to 30 knots veering southwest after
midnight, then becoming west 10 to 20 knots late. a chance of
showers. waves subsiding to 2 to 4 feet. 
.sunday...west winds 10 to 20 knots. a chance of showers through
early afternoon. waves subsiding to 1 to 3 feet, then building to
2 to 4 feet. 
.sunday night...northwest winds 15 to 25 knots veering north
after midnight. waves 2 to 4 feet. 
.monday...north winds 10 to 20 knots. waves subsiding to calm to
2 feet. 
.monday night...northeast winds 5 to 15 knots veering east after
midnight. waves calm to 2 feet. 
.tuesday...southeast winds 15 to 25 knots. a chance of rain
showers. waves building to 3 to 5 feet occasionally to 7 feet. 
.wednesday...south winds 20 to 30 knots veering southwest. a
chance of showers. waves building to 3 to 6 feet occasionally to
8 feet. 

$$

fzus63 kmqt 240800
glfls 
expires:202610242000;;095682

open lake forecast for lake superior
national weather service marquette mi
400 am edt sat oct 24 2026

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

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

.synopsis...

a 30.5 inch high pressure over new england is extending a 30.2 inch 
ridge over lake superior this morning. by this afternoon, a 29.2 
inch low over northern manitoba drags a 30.1 inch trough over the 
west half of lake superior. the trough remains over the lake until 
tonight. high pressure of 30.6 inches over the canadian prairies on 
sunday pushes ridging of 30.4 inches over the upper great lakes. the 
high pressure moves over northern ontario at 30.5 inches monday into 
tuesday. a weak 30.0 inch low lifts north over minnesota on tuesday. 
then, a 29.8 inch low quickly follows a similar northeast track over 
the dakotas/northwestern minnesota tuesday night into wednesday 
while the high moves to new england. the low then tracks northeast 
over northern ontario on wednesday.




lsz267-242000-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
400 am edt sat oct 24 2026

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

$$

fzus63 kmqt 240800
glfls 
expires:202610242000;;095678

open lake forecast for lake superior
national weather service marquette mi
400 am edt sat oct 24 2026

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

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

.synopsis...

a 30.5 inch high pressure over new england is extending a 30.2 inch 
ridge over lake superior this morning. by this afternoon, a 29.2 
inch low over northern manitoba drags a 30.1 inch trough over the 
west half of lake superior. the trough remains over the lake until 
tonight. high pressure of 30.6 inches over the canadian prairies on 
sunday pushes ridging of 30.4 inches over the upper great lakes. the 
high pressure moves over northern ontario at 30.5 inches monday into 
tuesday. a weak 30.0 inch low lifts north over minnesota on tuesday. 
then, a 29.8 inch low quickly follows a similar northeast track over 
the dakotas/northwestern minnesota tuesday night into wednesday 
while the high moves to new england. the low then tracks northeast 
over northern ontario on wednesday.




lsz263-242000-
lake superior from saxon harbor wi to upper entrance to portage
canal mi 5nm off shore to the us/canadian border including isle
royale national park-
400 am edt sat oct 24 2026

.early this morning...south winds 10 to 20 knots. a chance of
showers. waves 1 to 3 feet building to 2 to 4 feet. 
.today...south winds 15 to 25 knots becoming southwest 10 to
20 knots late. a chance of showers. waves building to 3 to 5 feet
occasionally to 7 feet, then subsiding to 2 to 4 feet. 
.tonight...west winds 15 to 25 knots diminishing to 5 to
15 knots. a chance of showers through midnight. waves subsiding
to 1 to 3 feet. 
.sunday...west winds 10 to 20 knots. waves building to 2 to
4 feet. 
.sunday night...northwest winds 10 to 20 knots veering north
after midnight. waves subsiding to 1 to 3 feet. 
.monday...north winds 5 to 15 knots veering northeast by mid
afternoon. waves subsiding to calm to 2 feet. 
.monday night...east winds 5 to 15 knots. waves calm to 2 feet. 
.tuesday...east winds 10 to 20 knots veering southeast. a chance
of rain showers. waves building to 1 to 3 feet. 
.wednesday...south winds 10 to 20 knots becoming southwest gales
to 35 knots. showers likely. waves building to 5 to 8 feet
occasionally to 10 feet. 

$$

fzus63 kmqt 240800
glfls 
expires:202610242000;;095677

open lake forecast for lake superior
national weather service marquette mi
400 am edt sat oct 24 2026

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

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

.synopsis...

a 30.5 inch high pressure over new england is extending a 30.2 inch 
ridge over lake superior this morning. by this afternoon, a 29.2 
inch low over northern manitoba drags a 30.1 inch trough over the 
west half of lake superior. the trough remains over the lake until 
tonight. high pressure of 30.6 inches over the canadian prairies on 
sunday pushes ridging of 30.4 inches over the upper great lakes. the 
high pressure moves over northern ontario at 30.5 inches monday into 
tuesday. a weak 30.0 inch low lifts north over minnesota on tuesday. 
then, a 29.8 inch low quickly follows a similar northeast track over 
the dakotas/northwestern minnesota tuesday night into wednesday 
while the high moves to new england. the low then tracks northeast 
over northern ontario on wednesday.




lsz162-242000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 am edt sat oct 24 2026 /300 am cdt sat oct 24 2026/

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

$$