fzus61 kbuf 291308
glflo 
expires:202610292115;;912105

open lake forecast for lake ontario
national weather service buffalo ny
issued by national weather service cleveland oh
908 am edt thu oct 29 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 30.4 inch high will settle over the lower great 
lakes tonight. this high will then drift to the eastern seaboard 
tuesday, then east of the mid atlantic coast by wednesday. 
meanwhile, a 29.3 inch low over far northwest ontario province 
tuesday night will move to hudson bay by late wednesday, then to 
northern quebec by thursday while deepening to 29.0 inches. a 
trailing cold front will cross the lower great lakes wednesday 
night, with a 30.0 inch high building east across the eastern 
great lakes region thursday through friday, before sliding east 
into new england by saturday.


loz062-292115-
lake ontario open waters from the niagara river to hamlin beach-
908 am edt thu oct 29 2026

.this afternoon...southwest winds 15 to 20 knots. a chance of
showers late. waves 2 to 4 feet building to 3 to 5 feet. 
.tonight...southwest winds 15 to 20 knots becoming northwest. a
chance of showers early. waves 3 to 5 feet subsiding to 2 to
4 feet. 
.friday...northwest winds 15 to 20 knots. waves 3 to 5 feet
subsiding to 2 to 4 feet. 
.friday night...northwest winds 15 to 20 knots becoming north
5 to 15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.saturday...northwest winds less than 10 knots becoming south.
waves 1 foot or less. 
.sunday...southeast winds less than 10 knots becoming southwest.
waves 1 foot or less. 
.monday...southwest winds 10 knots or less becoming east. waves
1 foot or less. 

$$

fzus61 kbuf 291308
glflo 
expires:202610292115;;912106

open lake forecast for lake ontario
national weather service buffalo ny
issued by national weather service cleveland oh
908 am edt thu oct 29 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 30.4 inch high will settle over the lower great 
lakes tonight. this high will then drift to the eastern seaboard 
tuesday, then east of the mid atlantic coast by wednesday. 
meanwhile, a 29.3 inch low over far northwest ontario province 
tuesday night will move to hudson bay by late wednesday, then to 
northern quebec by thursday while deepening to 29.0 inches. a 
trailing cold front will cross the lower great lakes wednesday 
night, with a 30.0 inch high building east across the eastern 
great lakes region thursday through friday, before sliding east 
into new england by saturday.


loz063>065-292115-
lake ontario open waters from hamlin beach to the saint lawrence
river-
908 am edt thu oct 29 2026

.this afternoon...south winds 15 to 20 knots becoming southwest. a
chance of showers late. waves 1 to 3 feet building to 2 to
4 feet. 
.tonight...southwest winds 15 to 20 knots becoming northwest. a
chance of showers in the evening. waves 2 to 4 feet building to
3 to 5 feet. 
.friday...west winds 15 to 20 knots. waves 3 to 6 feet. 
.friday night...northwest winds 15 to 20 knots becoming north
10 to 15 knots. waves 3 to 6 feet subsiding to 2 to 4 feet. 
.saturday...north winds 10 knots or less becoming south. waves
2 feet or less. 
.sunday...southeast winds 5 to 10 knots becoming southwest. waves
1 foot or less. 
.monday...southwest winds 10 knots or less becoming southeast.
waves 1 foot or less. 

$$

fzus61 kcle 291334
glfle 
expires:202610292030;;912951

open lake forecast for lake erie
national weather service cleveland oh
934 am edt thu oct 29 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 cold front will cross the lake this evening before high pressure
30.40 inches builds over the eastern great lakes friday into the
weekend. a warm front will lift north across the lake sunday into
sunday night.


lez061-168-169-292030-
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-
934 am edt thu oct 29 2026

.this afternoon...southwest winds 15 to 20 knots. a slight chance
of showers late. waves 1 to 3 feet building to 2 to 4 feet. 
.tonight...west winds 15 to 20 knots becoming northwest 10 to
15 knots. showers likely early, then a chance of showers late in
the evening. waves 2 to 4 feet. 
.friday...northwest winds 10 to 15 knots. waves 1 to 3 feet. 
.friday night...northwest winds 5 to 15 knots becoming northeast
less than 10 knots. waves 2 feet or less. 
.saturday...northeast winds 10 knots or less becoming southeast.
waves 1 foot or less. 
.sunday...southeast winds 10 knots or less becoming south. waves
1 foot or less. 
.monday...south winds 10 knots or less becoming southeast. a
chance of showers monday night. waves 2 feet or less. 

$$

fzus61 kcle 291334
glfle 
expires:202610292030;;912950

open lake forecast for lake erie
national weather service cleveland oh
934 am edt thu oct 29 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 cold front will cross the lake this evening before high pressure
30.40 inches builds over the eastern great lakes friday into the
weekend. a warm front will lift north across the lake sunday into
sunday night.


lez165>167-292030-
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-
934 am edt thu oct 29 2026

.this afternoon...southwest winds 15 to 20 knots. waves 2 to
4 feet. 
.tonight...west winds 10 to 15 knots becoming northwest. showers
likely early, then a chance of showers late in the evening. waves
2 to 4 feet. 
.friday...northwest winds 5 to 15 knots. waves 1 to 3 feet
subsiding to 1 foot or less. 
.friday night...north winds 5 to 10 knots becoming east. waves
1 foot or less. 
.saturday...east winds 5 to 10 knots becoming southeast. waves
1 foot or less. 
.sunday...southeast winds 10 knots or less becoming south. waves
1 foot or less. 
.monday...south winds 10 knots or less becoming southeast 10 to
15 knots. a chance of showers monday night. waves 2 feet or less.

$$

fzus61 kcle 291334
glfle 
expires:202610292030;;912949

open lake forecast for lake erie
national weather service cleveland oh
934 am edt thu oct 29 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 cold front will cross the lake this evening before high pressure
30.40 inches builds over the eastern great lakes friday into the
weekend. a warm front will lift north across the lake sunday into
sunday night.


lez162>164-292030-
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-
934 am edt thu oct 29 2026

.this afternoon...southwest winds 10 to 15 knots. a chance of
showers late. waves 1 to 2 feet. 
.tonight...west winds 10 to 15 knots becoming northwest. showers
likely early, then a chance of showers late in the evening. waves
1 to 3 feet. 
.friday...northwest winds 10 knots or less becoming north. waves
2 feet or less. 
.friday night...light and variable winds becoming east 5 to
10 knots. waves 1 foot or less. 
.saturday...southeast winds 5 to 10 knots. waves 2 feet or less. 
.sunday...southeast winds 10 knots or less becoming south. waves
1 foot or less. 
.monday...south winds 10 knots or less becoming southeast 10 to
15 knots. a chance of showers monday night. waves 2 feet or less.

$$

fzus63 kdtx 291338
glflh 
expires:202610292145;;913161

open lake forecast for lake huron
national weather service detroit/pontiac mi
938 am edt thu oct 29 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 will track through the central great
lakes today triggering scattered light showers and possibly an
isolated thunderstorm. brisk cold air behind the front will
support northwest gusts of 25 to 30 knots over northern lake
huron this evening and tonight.


lhz462>464-292145-
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-
938 am edt thu oct 29 2026

.rest of today...southwest winds 15 to 20 knots becoming west
10 to 15 knots late in the afternoon. waves 2 to 4 feet. 
.tonight...west winds 10 to 15 knots becoming northwest 15 to
20 knots late in the evening...then decreasing to 10 to 15 knots
after midnight increasing to 15 to 20 knots early in the morning.
waves 1 to 3 feet building to 3 to 5 feet in the late evening and
overnight. 
.friday...northwest winds 15 to 20 knots decreasing to 5 to
10 knots. waves 3 to 5 feet. 
.friday night...northwest winds 5 to 10 knots. waves 1 to 3 feet.
.saturday...light and variable winds becoming southeast 5 to
10 knots. waves 2 feet or less. 
.sunday...southeast winds 5 to 10 knots veering to the south by
midnight. waves 2 feet or less. 
.monday...south winds 5 to 10 knots backing to the southeast
early in the evening...then increasing to 10 to 15 knots by
midnight. a chance of. waves 2 feet or less. 


$$

fzus63 kdtx 291338
glfsc 
expires:202610292145;;913164

lake st clair forecast
national weather service detroit/pontiac mi
938 am edt thu oct 29 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 will track through the central great
lakes today triggering scattered light showers and possibly an
isolated thunderstorm. brisk cold air behind the front will
support northwest gusts of 25 to 30 knots over northern lake
huron this evening and tonight.


lcz460-292145-
lake st clair-
938 am edt thu oct 29 2026

.rest of today...southwest winds 10 to 15 knots with gusts to 20
knots. mostly sunny in the late morning and early afternoon 
becoming mostly cloudy. a chance of light rain late in the 
afternoon. waves 2 feet or less.
.tonight...west winds 10 to 15 knots veering to the northwest after
midnight. mostly clear. waves 2 feet or less.
.friday...northwest winds 5 to 10 knots until late afternoon
becoming light and variable. sunny. waves 2 feet or less.
.friday night...light and variable winds becoming east 5 to 10 knots
after midnight. mostly clear. waves 2 feet or less.
.saturday...southeast winds 5 to 10 knots. partly sunny in the
morning becoming mostly cloudy. waves 2 feet or less.
.sunday...southeast winds 5 to 10 knots. mostly cloudy. waves 2 feet
or less.
.monday...southeast winds 5 to 10 knots. partly cloudy. a chance of
light rain. waves 2 feet or less.

$$

fzus63 kdtx 291338
glflh 
expires:202610292145;;913159

open lake forecast for lake huron
national weather service detroit/pontiac mi
938 am edt thu oct 29 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 will track through the central great
lakes today triggering scattered light showers and possibly an
isolated thunderstorm. brisk cold air behind the front will
support northwest gusts of 25 to 30 knots over northern lake
huron this evening and tonight.


lhz361-362-292145-
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-
938 am edt thu oct 29 2026

.rest of today...southwest winds 15 to 20 knots becoming west
10 to 15 knots early in the afternoon...then increasing to 15 to
20 knots late in the afternoon. waves 3 to 5 feet. 
.tonight...northwest winds 15 to 20 knots. waves 4 to 6 feet. 
.friday...northwest winds 15 to 20 knots. waves 4 to 6 feet. 
.friday night...northwest winds 10 to 15 knots becoming light and
variable. waves 2 to 4 feet subsiding to 1 to 3 feet after
midnight. waves occasionally around 8 feet. 
.saturday...light and variable winds becoming southeast 5 to
10 knots late in the afternoon...then veering to the south late
in the evening. waves 2 feet or less. 
.sunday...light and variable winds. waves 2 feet or less. 
.monday...light and variable winds becoming southeast 5 to
10 knots . a chance of. waves 2 feet or less. 


$$

fzus63 kdtx 291338
glflh 
expires:202610292145;;913160

open lake forecast for lake huron
national weather service detroit/pontiac mi
938 am edt thu oct 29 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 will track through the central great
lakes today triggering scattered light showers and possibly an
isolated thunderstorm. brisk cold air behind the front will
support northwest gusts of 25 to 30 knots over northern lake
huron this evening and tonight.


lhz363-292145-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
938 am edt thu oct 29 2026

.rest of today...southwest winds 15 to 20 knots with gusts to 25
knots becoming west 10 to 20 knots late in the afternoon. waves 3
to 5 feet. 
.tonight...west winds 10 to 15 knots becoming northwest 15 to
20 knots in the late evening and overnight. waves 3 to 5 feet. 
.friday...northwest winds 15 to 20 knots decreasing to 5 to
10 knots. waves 3 to 5 feet. 
.friday night...northwest winds 5 to 10 knots. waves 2 to 4 feet
subsiding to 1 to 3 feet in the late evening and overnight. 
.saturday...light and variable winds becoming south 5 to 10 knots
late in the afternoon. waves 2 feet or less. 
.sunday...south 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. 
.monday...southwest winds 5 to 10 knots early in the morning
becoming light and variable...then becoming southeast 5 to
10 knots early in the evening becoming east 10 to 15 knots. a
chance of. waves 2 feet or less. 


$$

fzus63 kmkx 290811
glflm 
expires:202610291515;;901734

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
311 am cdt thu oct 29 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 29.5 inches will move from just northeast of 
lake superior early this morning into northern quebec later today. 
its cold front will move southeastward across lake michigan this
morning. breezy southwest winds will shift northwesterly with 
the frontal passage. winds are expected to ease in strength 
following the frontal passage, but will remain modestly breezy 
into thursday night. high pressure around 30.4 inches will move 
into the region friday into friday night, bringing lighter winds.


lmz080-669-671-673-675-777-779-870-872-874-876-878-291515-
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-
311 am cdt thu oct 29 2026

sheboygan wi to pentwater mi south...

.today...southwest winds 15 to 25 kt becoming northwest 10 to
20 kt. scattered showers this morning. waves 4 to 7 ft
occasionally to 9 ft subsiding to 2 to 4 ft. 
.tonight...northwest winds 10 to 20 kt becoming north 10 to
15 kt. waves 3 to 5 ft. 
.friday...north winds 10 to 15 kt becoming northeast. waves 2 to
4 ft subsiding to 1 to 3 ft. 
.friday night...east winds 10 to 15 kt. chance of showers
overnight. waves 1 to 3 ft. 
.saturday...southeast winds 10 to 20 kt. chance of showers. waves
2 to 4 ft. 
.saturday night...southeast winds 10 to 15 kt diminishing to 5 to
10 kt. waves 2 to 4 ft subsiding to 1 to 3 ft. 
.sunday...southeast winds 5 to 10 kt. waves 1 to 2 ft. 
.monday...southeast winds 10 to 15 kt increasing to 10 to 20 kt.
waves 2 to 4 ft.  

$$

fzus63 kmkx 290811
glflm 
expires:202610291515;;901733

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
311 am cdt thu oct 29 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 29.5 inches will move from just northeast of 
lake superior early this morning into northern quebec later today. 
its cold front will move southeastward across lake michigan this
morning. breezy southwest winds will shift northwesterly with 
the frontal passage. winds are expected to ease in strength 
following the frontal passage, but will remain modestly breezy 
into thursday night. high pressure around 30.4 inches will move 
into the region friday into friday night, bringing lighter winds.


lmz261-362-364-366-563-565-567-868-291515-
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-
311 am cdt thu oct 29 2026

sheboygan wi to pentwater mi north...

.today...southwest winds to 30 kt becoming northwest 15 to 25 kt.
waves 5 to 8 ft occasionally to 10 ft subsiding to 3 to 5 ft. 
.tonight...northwest winds 15 to 25 kt diminishing to 10 to
20 kt. waves 3 to 5 ft. 
.friday...northwest winds 10 to 20 kt diminishing to 10 to 15 kt.
waves 1 to 3 ft subsiding to 1 to 2 ft. 
.friday night...southeast winds 10 to 15 kt becoming east. waves
1 to 2 ft. 
.saturday...southeast winds 10 to 20 kt. waves 2 to 4 ft. 
.saturday night...southeast winds 10 to 15 kt diminishing to 5 to
10 kt. waves 2 to 4 ft subsiding to 1 to 3 ft. 
.sunday...southeast winds 5 to 10 kt becoming south. waves 1 to
2 ft. 
.monday...south winds 10 to 15 kt becoming southeast 10 to 20 kt.
waves 1 to 2 ft building to 1 to 3 ft.  

$$

fzus63 kmqt 290801
glfls 
expires:202610292000;;900424

open lake forecast for lake superior
national weather service marquette mi
400 am edt thu oct 29 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 29.6 inch low over northeast ontario with a 29.8 inch trough 
extending over lake superior this morning will depart into central 
quebec at 29.4 inches by later this afternoon. 30.2 inch ridging 
will extend over the lake tonight from an elongated area of 30.3 
inch high pressure spanning from the canadian rockies into the upper 
mississippi river valley. high pressure shifts to the great lakes on 
friday and strengthens to 30.4 inches, with ridging of around 30.2 
inches lingering over lake superior through the weekend as the high 
gradually shifts to the eastern seaboard. a 29.5 inch colorado low 
develops on monday and approaches the upper midwest early to mid 
next week.




lsz162-292000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 am edt thu oct 29 2026 /300 am cdt thu oct 29 2026/

.early this morning...west winds 20 to 30 knots. waves 2 to
4 feet building to 3 to 5 feet occasionally to 7 feet. 
.today...west winds 20 to 30 knots diminishing to 15 to 25 knots
late. waves building to 3 to 6 feet occasionally to 8 feet. 
.tonight...northwest winds 10 to 20 knots diminishing to 5 to
15 knots after midnight, then backing west late. waves subsiding
to calm to 2 feet. 
.friday...west winds 5 to 15 knots backing southwest late. waves
calm to 2 feet. 
.friday night...southwest winds 5 to 15 knots becoming east less
than 10 knots after midnight. waves calm to 2 feet. 
.saturday...east winds less than 10 knots increasing to 5 to
15 knots by mid afternoon. waves calm to 2 feet. 
.saturday night...east winds 5 to 15 knots becoming southwest
less than 10 knots after midnight. waves calm to 2 feet. 
.sunday...southwest winds less than 10 knots. waves calm to
2 feet. 
.monday...east winds 10 to 20 knots increasing to 15 to 25 knots.
a chance of showers. waves building to 1 to 3 feet. 

$$

fzus63 kmqt 290801
glfls 
expires:202610292000;;900428

open lake forecast for lake superior
national weather service marquette mi
400 am edt thu oct 29 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 29.6 inch low over northeast ontario with a 29.8 inch trough 
extending over lake superior this morning will depart into central 
quebec at 29.4 inches by later this afternoon. 30.2 inch ridging 
will extend over the lake tonight from an elongated area of 30.3 
inch high pressure spanning from the canadian rockies into the upper 
mississippi river valley. high pressure shifts to the great lakes on 
friday and strengthens to 30.4 inches, with ridging of around 30.2 
inches lingering over lake superior through the weekend as the high 
gradually shifts to the eastern seaboard. a 29.5 inch colorado low 
develops on monday and approaches the upper midwest early to mid 
next week.




lsz266-292000-
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 thu oct 29 2026

.early this morning...west winds 20 to 30 knots. waves 3 to
6 feet occasionally to 8 feet building to 4 to 7 feet
occasionally to 9 feet. 
.today...west winds 20 to 30 knots increasing to 30 knots with a
few gale force gusts to 35 knots possible in the afternoon. waves
building to 7 to 11 feet occasionally to 14 feet. 
.tonight...northwest winds 20 to 30 knots diminishing to 15 to
25 knots late. a slight chance of showers. waves subsiding to
3 to 6 feet occasionally to 8 feet. 
.friday...northwest winds 15 to 25 knots diminishing to 10 to
20 knots late. waves subsiding to 1 to 3 feet. 
.friday night...west winds 5 to 15 knots backing southwest after
midnight. waves subsiding to calm to 2 feet. 
.saturday...southwest winds 5 to 15 knots backing south by mid
afternoon. waves calm to 2 feet. 
.saturday night...south winds 5 to 15 knots. waves calm to
2 feet. 
.sunday...southwest winds 5 to 15 knots. waves calm to 2 feet. 
.monday...southeast winds 5 to 15 knots increasing to 15 to
25 knots. a chance of showers. waves building to 1 to 3 feet. 

$$

fzus63 kmqt 290801
glfls 
expires:202610292000;;900429

open lake forecast for lake superior
national weather service marquette mi
400 am edt thu oct 29 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 29.6 inch low over northeast ontario with a 29.8 inch trough 
extending over lake superior this morning will depart into central 
quebec at 29.4 inches by later this afternoon. 30.2 inch ridging 
will extend over the lake tonight from an elongated area of 30.3 
inch high pressure spanning from the canadian rockies into the upper 
mississippi river valley. high pressure shifts to the great lakes on 
friday and strengthens to 30.4 inches, with ridging of around 30.2 
inches lingering over lake superior through the weekend as the high 
gradually shifts to the eastern seaboard. a 29.5 inch colorado low 
develops on monday and approaches the upper midwest early to mid 
next week.




lsz267-292000-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
400 am edt thu oct 29 2026

.early this morning...west winds 20 to 30 knots. a slight chance
of showers. waves 4 to 7 feet occasionally to 9 feet subsiding to
3 to 6 feet occasionally to 8 feet. 
.today...west winds to 30 knots with a few gale force gusts to
35 knots possible. waves building to 8 to 11 feet occasionally to
14 feet. 
.tonight...northwest winds 20 to 30 knots. a slight chance of
showers. waves subsiding to 5 to 8 feet occasionally to 10 feet. 
.friday...northwest winds 15 to 25 knots. waves subsiding to 2 to
4 feet. 
.friday night...northwest winds 5 to 15 knots backing west after
midnight. waves subsiding to calm to 2 feet. 
.saturday...southwest winds 10 to 20 knots diminishing to 5 to
15 knots by mid afternoon. waves calm to 2 feet. 
.saturday night...south winds 5 to 15 knots increasing to 10 to
20 knots after midnight. waves calm to 2 feet. 
.sunday...south winds 5 to 15 knots veering southwest. waves calm
to 2 feet. 
.monday...southeast winds 5 to 15 knots increasing to 10 to
20 knots. a chance of showers. waves building to 1 to 3 feet. 

$$

fzus63 kmqt 290801
glfls 
expires:202610292000;;900426

open lake forecast for lake superior
national weather service marquette mi
400 am edt thu oct 29 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 29.6 inch low over northeast ontario with a 29.8 inch trough 
extending over lake superior this morning will depart into central 
quebec at 29.4 inches by later this afternoon. 30.2 inch ridging 
will extend over the lake tonight from an elongated area of 30.3 
inch high pressure spanning from the canadian rockies into the upper 
mississippi river valley. high pressure shifts to the great lakes on 
friday and strengthens to 30.4 inches, with ridging of around 30.2 
inches lingering over lake superior through the weekend as the high 
gradually shifts to the eastern seaboard. a 29.5 inch colorado low 
develops on monday and approaches the upper midwest early to mid 
next week.




lsz264-292000-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
400 am edt thu oct 29 2026

.early this morning...west winds 15 to 25 knots. waves 3 to
6 feet occasionally to 8 feet. 
.today...west winds 20 to 30 knots. waves building to 5 to 8 feet
occasionally to 10 feet. 
.tonight...northwest winds 15 to 25 knots diminishing to 10 to
20 knots late. waves subsiding to 2 to 4 feet. 
.friday...northwest winds 10 to 20 knots becoming west 5 to
15 knots in the afternoon. waves subsiding to calm to 2 feet. 
.friday night...west winds 5 to 15 knots diminishing to less than
10 knots after midnight. waves calm to 2 feet. 
.saturday...southwest winds less than 10 knots backing south by
mid afternoon. waves calm to 2 feet. 
.saturday night...south winds less than 10 knots becoming
southwest 5 to 15 knots after midnight. waves calm to 2 feet. 
.sunday...southwest winds 5 to 15 knots diminishing to less than
10 knots. waves calm to 2 feet. 
.monday...southeast winds 5 to 15 knots increasing to 10 to
20 knots. a chance of showers. waves building to 1 to 3 feet. 

$$

fzus63 kmqt 290801
glfls 
expires:202610292000;;900427

open lake forecast for lake superior
national weather service marquette mi
400 am edt thu oct 29 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 29.6 inch low over northeast ontario with a 29.8 inch trough 
extending over lake superior this morning will depart into central 
quebec at 29.4 inches by later this afternoon. 30.2 inch ridging 
will extend over the lake tonight from an elongated area of 30.3 
inch high pressure spanning from the canadian rockies into the upper 
mississippi river valley. high pressure shifts to the great lakes on 
friday and strengthens to 30.4 inches, with ridging of around 30.2 
inches lingering over lake superior through the weekend as the high 
gradually shifts to the eastern seaboard. a 29.5 inch colorado low 
develops on monday and approaches the upper midwest early to mid 
next week.




lsz265-292000-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
400 am edt thu oct 29 2026

.early this morning...west winds to 30 knots with a few gale
force gusts to 35 knots possible. waves 3 to 6 feet occasionally
to 8 feet. 
.today...west winds to 30 knots with a few gale force gusts to
35 knots possible. waves building to 5 to 8 feet occasionally to
10 feet. 
.tonight...northwest winds to 30 knots with a few gale force
gusts to 35 knots possible diminishing to 20 to 30 knots after
midnight. waves subsiding to 2 to 4 feet. 
.friday...northwest winds 15 to 25 knots backing west in the
afternoon, then diminishing to 10 to 20 knots late. waves
subsiding to calm to 2 feet. 
.friday night...west winds 5 to 15 knots backing southwest after
midnight. waves calm to 2 feet. 
.saturday...southwest winds 5 to 15 knots backing south by mid
afternoon. waves calm to 2 feet. 
.saturday night...south winds 5 to 15 knots veering southwest
after midnight. waves calm to 2 feet. 
.sunday...southwest winds 5 to 15 knots. waves calm to 2 feet. 
.monday...southeast winds 5 to 15 knots increasing to 15 to
25 knots. a chance of showers. waves building to 1 to 3 feet. 

$$

fzus63 kmqt 290801
glfls 
expires:202610292000;;900425

open lake forecast for lake superior
national weather service marquette mi
400 am edt thu oct 29 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 29.6 inch low over northeast ontario with a 29.8 inch trough 
extending over lake superior this morning will depart into central 
quebec at 29.4 inches by later this afternoon. 30.2 inch ridging 
will extend over the lake tonight from an elongated area of 30.3 
inch high pressure spanning from the canadian rockies into the upper 
mississippi river valley. high pressure shifts to the great lakes on 
friday and strengthens to 30.4 inches, with ridging of around 30.2 
inches lingering over lake superior through the weekend as the high 
gradually shifts to the eastern seaboard. a 29.5 inch colorado low 
develops on monday and approaches the upper midwest early to mid 
next week.




lsz263-292000-
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 thu oct 29 2026

.early this morning...west winds 15 to 25 knots. waves 3 to
6 feet occasionally to 8 feet. 
.today...west winds 15 to 25 knots increasing to 20 to 30 knots
in the afternoon, then diminishing to 15 to 25 knots late. waves
building to 4 to 8 feet occasionally to 10 feet. 
.tonight...northwest winds 15 to 25 knots diminishing to 5 to
15 knots. waves subsiding to 1 to 3 feet. 
.friday...northwest winds 5 to 15 knots backing west in the
afternoon. waves subsiding to calm to 2 feet. 
.friday night...west winds 5 to 15 knots becoming south less than
10 knots after midnight. waves calm to 2 feet. 
.saturday...south winds less than 10 knots. waves calm to 2 feet.
.saturday night...south winds less than 10 knots becoming
southwest 5 to 15 knots after midnight. waves calm to 2 feet. 
.sunday...southwest winds 5 to 15 knots diminishing to less than
10 knots. waves calm to 2 feet. 
.monday...east winds 5 to 15 knots increasing to 10 to 20 knots.
a chance of showers. waves building to 1 to 3 feet. 

$$