fzus61 kbuf 110202
glflo 
expires:202606110900;;534102

open lake forecast for lake ontario
national weather service buffalo ny
1002 pm edt wed jun 10 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 warm front will continue northeast of the lake this 
evening. another warm front will cross the lake thursday night ahead 
of a 29.7 inch trough that will cross the lake later friday. 
associated with the trough, an attendant cold front across the lake 
friday afternoon and evening. a 30.0 inch high will ridge across the 
lower great lakes friday night through sunday morning, before a cold 
front crosses the region later sunday or sunday night. the eastern 
edge of a 30.1 inch high over the central portion of the conus will 
push over the lake on monday.


loz063>065-110900-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 pm edt wed jun 10 2026

.overnight...southwest winds 5 to 10 knots. patchy fog
late. a chance of showers late. waves 2 feet or less. 
.thursday...southwest winds 5 to 15 knots becoming west. patchy
fog in the morning. a chance of showers through early afternoon.
waves 2 feet or less. 
.thursday night...west winds 5 to 15 knots becoming southwest.
waves 2 feet or less. 
.friday...south winds 5 to 15 knots becoming west 15 to 20 knots.
showers with a chance of thunderstorms. waves 1 to 3 feet. 
.friday night...west winds 15 to 20 knots diminishing to 5 to
15 knots. showers in the evening. waves 2 to 4 feet subsiding to
1 to 3 feet. 
.saturday...west winds 5 to 15 knots becoming south. a chance of
showers and thunderstorms saturday night. waves 1 to 2 feet. 
.sunday...southwest winds 10 to 15 knots becoming west. showers
likely with a chance of thunderstorms during the day, then
showers likely sunday night. waves 1 to 3 feet. 
.monday...west winds 5 to 15 knots becoming south. waves 1 to
3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 110202
glflo 
expires:202606110900;;534101

open lake forecast for lake ontario
national weather service buffalo ny
1002 pm edt wed jun 10 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 warm front will continue northeast of the lake this 
evening. another warm front will cross the lake thursday night ahead 
of a 29.7 inch trough that will cross the lake later friday. 
associated with the trough, an attendant cold front across the lake 
friday afternoon and evening. a 30.0 inch high will ridge across the 
lower great lakes friday night through sunday morning, before a cold 
front crosses the region later sunday or sunday night. the eastern 
edge of a 30.1 inch high over the central portion of the conus will 
push over the lake on monday.


loz062-110900-
lake ontario open waters from the niagara river to hamlin beach-
1002 pm edt wed jun 10 2026

.overnight...southwest winds 5 to 10 knots. a chance of
showers. patchy fog late. waves 1 to 2 feet. 
.thursday...southwest winds 10 to 15 knots becoming west. a
chance of showers in the morning. waves 1 to 2 feet. 
.thursday night...west winds 5 to 15 knots becoming south. waves
1 to 2 feet. 
.friday...south winds 10 to 15 knots becoming west 15 to
20 knots. a chance of showers and thunderstorms. waves 1 to
3 feet building to 2 to 4 feet. 
.friday night...west winds 5 to 15 knots. a chance of showers in
the evening. waves 2 to 3 feet. 
.saturday...west winds 10 to 15 knots becoming southwest. a
chance of showers and thunderstorms saturday night. waves 1 to
3 feet. 
.sunday...southwest winds 10 to 15 knots becoming west. showers
likely with a chance of thunderstorms during the day, then
showers likely sunday night. waves 1 to 3 feet. 
.monday...west winds 5 to 15 knots becoming northwest. waves 1 to
2 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 110257
glfsc 
expires:202606111100;;535932

lake st clair forecast
national weather service detroit/pontiac mi
1057 pm edt wed jun 10 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...several disturbances bring showers, storms, and 
chances of severe weather the next couple days, mainly tonight and
again thursday night. a cold front then passes through early 
friday morning.


lcz460-111100-
lake st clair-
1057 pm edt wed jun 10 2026

.rest of tonight...southwest winds 10 to 15 knots. partly cloudy. a
chance of thunderstorms. waves 2 feet or less.
.thursday...southwest winds 10 to 15 knots. partly sunny. a chance
of light showers early in the morning. waves 2 feet or less.
.thursday night...south winds 10 to 15 knots becoming southwest 15
to 20 knots in the late evening and overnight. partly cloudy
becoming mostly cloudy. light showers likely by midnight. a chance
of light showers after midnight. waves 1 to 3 feet.
.friday...west winds 15 to 20 knots diminishing to 10 to 15 knots in
the late morning and afternoon. partly sunny early in the morning
then clearing. waves 1 to 3 feet.
.friday night...west winds 10 to 15 knots diminishing to 5 to 10
knots after midnight. clear. waves 2 feet or less.
.saturday...southwest winds 5 to 10 knots increasing to 15 to 20
knots. sunny becoming mostly clear. waves 2 feet or less.
.sunday...northwest winds 15 to 20 knots. partly cloudy. a chance of
showers. waves 1 to 3 feet.
.monday...southeast winds 10 to 15 knots. partly cloudy. waves 2
feet or less.

$$

fzus63 kdtx 110253
glflh 
expires:202606111100;;535903

open lake forecast for lake huron
national weather service detroit/pontiac mi
1053 pm edt wed jun 10 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...several disturbances bring showers, storms, and 
chances of severe weather the next couple days, mainly tonight and
again thursday night. a cold front then passes through early 
friday morning.


lhz462>464-111100-
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-
1053 pm edt wed jun 10 2026

.rest of tonight...south winds 5 to 10 knots increasing to 10 to
15 knots after midnight. showers likely and a chance of
thunderstorms. waves 1 to 3 feet. 
.thursday...southwest winds 10 to 15 knots decreasing to 5 to
10 knots early in the afternoon...then backing to the southeast
late in the afternoon. a chance of showers in the morning. waves
1 to 3 feet. 
.thursday night...southeast winds 5 to 10 knots becoming south
15 to 20 knots. a chance of showers in the evening...then a
chance of showers and thunderstorms after midnight. waves 1 to
3 feet building to 4 to 6 feet after midnight. waves occasionally
around 8 feet. 
.friday...southwest winds 15 to 20 knots becoming west 10 to
15 knots in the late morning and afternoon. waves 3 to 5 feet. 
.friday night...southwest winds 10 to 15 knots. waves 2 to
4 feet. 
.saturday...southwest winds 10 to 15 knots. showers likely and a
chance of thunderstorms late in the afternoon. waves 1 to 3 feet
building to 2 to 4 feet. 
.sunday...southwest winds 10 to 15 knots becoming northwest 5 to
10 knots. showers likely early in the morning...then a chance of
showers in the late morning and early afternoon. waves 1 to
3 feet. 
.monday...west winds 10 to 15 knots becoming north 5 to 10 knots
. waves 1 to 3 feet. 


$$

fzus63 kdtx 110253
glflh 
expires:202606111100;;535901

open lake forecast for lake huron
national weather service detroit/pontiac mi
1053 pm edt wed jun 10 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...several disturbances bring showers, storms, and 
chances of severe weather the next couple days, mainly tonight and
again thursday night. a cold front then passes through early 
friday morning.


lhz361-362-111100-
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-
1053 pm edt wed jun 10 2026

.rest of tonight...southeast winds 5 to 10 knots increasing to
10 to 15 knots after midnight...then veering to the south early
in the morning. a chance of showers and thunderstorms. areas of 
fog. waves 1 to 3 feet. 
.thursday...southwest winds 5 to 10 knots. waves 2 to 4 feet
subsiding to 1 to 3 feet in the late morning and afternoon. 
.thursday night...north winds 5 to 10 knots becoming southeast
10 to 15 knots by midnight...then increasing to 15 to 20 knots
after midnight. a chance of showers in the evening...then a
chance of showers and thunderstorms after midnight. waves 1 to
3 feet building to 5 to 7 feet. waves occasionally around
10 feet. 
.friday...southwest winds 15 to 20 knots decreasing to 5 to
10 knots. waves 4 to 6 feet. 
.friday night...southwest winds 5 to 10 knots increasing to 10 to
15 knots after midnight. waves 2 to 4 feet subsiding to 1 to
3 feet in the late evening and overnight. waves occasionally
around 8 feet. 
.saturday...southwest winds 10 to 15 knots veering to the west
late in the evening. a chance of showers. a chance of
thunderstorms. rain showers likely late in the afternoon. waves
3 to 5 feet. 
.sunday...west winds 10 to 15 knots increasing to 15 to 20 knots
early in the evening...then decreasing to 10 to 15 knots by
midnight. a chance of showers early in the morning. waves 2 to
4 feet building to 3 to 5 feet. 
.monday...west winds 10 to 15 knots backing to the south early in
the evening...then becoming southeast 5 to 10 knots by midnight.
waves 2 to 4 feet subsiding to 1 to 3 feet by midnight. 


$$

fzus63 kdtx 110253
glflh 
expires:202606111100;;535902

open lake forecast for lake huron
national weather service detroit/pontiac mi
1053 pm edt wed jun 10 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...several disturbances bring showers, storms, and 
chances of severe weather the next couple days, mainly tonight and
again thursday night. a cold front then passes through early 
friday morning.


lhz363-111100-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
1053 pm edt wed jun 10 2026

.rest of tonight...south winds 10 to 15 knots. showers likely and
a chance of thunderstorms. patchy fog. waves 1 to 3 feet building
to 2 to 4 feet early in the morning. 
.thursday...southwest winds 10 to 15 knots becoming south 5 to
10 knots late in the afternoon. a chance of showers in the
morning. waves 2 to 4 feet subsiding to 1 to 3 feet in the
afternoon. 
.thursday night...southeast winds 5 to 10 knots becoming south
10 to 15 knots by midnight...then increasing to 15 to 20 knots
after midnight. a chance of showers and thunderstorms in the
evening...then showers likely and a chance of thunderstorms after
midnight. waves 1 to 3 feet building to 4 to 6 feet in the late
evening and overnight. waves occasionally around 8 feet. 
.friday...southwest winds 15 to 20 knots decreasing to 10 to
15 knots in the late morning and afternoon. waves 3 to 5 feet. 
.friday night...southwest winds 10 to 15 knots. waves 2 to
4 feet. 
.saturday...southwest winds 10 to 15 knots becoming south 15 to
20 knots late in the afternoon...then becoming northwest 10 to
15 knots late in the evening. showers and a chance of
thunderstorms late in the afternoon. rain showers likely and a
chance of thunderstorms late in the evening. waves 1 to 3 feet
building to 3 to 5 feet. 
.sunday...southwest winds 10 to 15 knots becoming west 5 to
10 knots in the late morning and early afternoon...then becoming
northwest 10 to 15 knots . a chance of showers early in the
morning. waves 1 to 3 feet building to 2 to 4 feet . 
.monday...west winds 10 to 15 knots becoming south 5 to 10 knots
early in the evening...then backing to the east by midnight.
waves 2 to 4 feet subsiding to 1 to 3 feet. 


$$

fzus63 kmkx 110222
glflm 
expires:202606110930;;535283

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
922 pm cdt wed jun 10 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...

modest south to southwest winds can be expected tonight through
thursday morning but will become breezy south to southeasterly
thursday afternoon. this will occur as low pressure around 29.5
inches moves from eastern iowa to central lake michigan by early
thursday evening, then northeast into ontario by early friday
morning. winds will become westerly and breezy behind the low 
pressure area thursday evening into the overnight. modest to
breezy southwest winds will follow for friday into saturday. 
numerous thunderstorms are expected thursday afternoon and evening
and may become severe. 


lmz261-362-364-366-563-565-567-868-110930-
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-
922 pm cdt wed jun 10 2026

sheboygan wi to pentwater mi north...

.rest of tonight...south winds 10 to 20 kt becoming southwest
15 to 20 kt. patchy fog. showers and slight chance of 
thunderstorms late this evening, then slight chance of 
thunderstorms with isolated showers overnight. waves 2 to 4 ft.
.thursday...southwest winds 10 to 20 kt becoming south 15 to
25 kt. patchy fog in the morning. scattered showers and slight
chance of thunderstorms in the afternoon. waves 2 to 4 ft. 
.thursday night...south winds to 30 kt veering to west. showers
likely with a chance of thunderstorms in the evening, then chance
of showers overnight. waves 4 to 6 ft occasionally to 8 ft
building to 4 to 7 ft occasionally to 9 ft. 
.friday...southwest winds 15 to 25 kt increasing to 30 kt. waves
3 to 5 ft. 
.friday night...southwest winds to 30 kt diminishing to 15 to
25 kt. waves 3 to 5 ft. 
.saturday...southwest winds 15 to 25 kt increasing to 30 kt.
chance of showers in the morning, then chance of showers and
thunderstorms in the afternoon. waves 3 to 5 ft building to 4 to
7 ft occasionally to 9 ft. 
.saturday night...west winds 15 to 25 kt diminishing to 10 to
20 kt. chance of showers. waves 4 to 7 ft occasionally to 9 ft
subsiding to 3 to 5 ft. 
.sunday...northwest winds 15 to 25 kt becoming west. waves 2 to
4 ft. 
.monday...southwest winds 10 to 20 kt increasing to 15 to 25 kt.
waves 2 to 4 ft.  

$$

fzus63 kmkx 110222
glflm 
expires:202606110930;;535284

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
922 pm cdt wed jun 10 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...

modest south to southwest winds can be expected tonight through
thursday morning but will become breezy south to southeasterly
thursday afternoon. this will occur as low pressure around 29.5
inches moves from eastern iowa to central lake michigan by early
thursday evening, then northeast into ontario by early friday
morning. winds will become westerly and breezy behind the low 
pressure area thursday evening into the overnight. modest to
breezy southwest winds will follow for friday into saturday. 
numerous thunderstorms are expected thursday afternoon and evening
and may become severe. 


lmz080-669-671-673-675-777-779-870-872-874-876-878-110930-
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-
922 pm cdt wed jun 10 2026

sheboygan wi to pentwater mi south...

.rest of tonight...south winds 15 to 25 kt. isolated to scattered
thunderstorms. patchy fog overnight. waves 2 to 4 ft.
.thursday...southwest winds 10 to 20 kt becoming southeast 15 to
25 kt. patchy fog in the morning. slight chance of thunderstorms
with isolated showers in the afternoon. waves 2 to 4 ft. 
.thursday night...south winds to 30 kt becoming southwest to 30 kt
late in the evening, then becoming west after midnight diminishing
to 15 to 25 kt late. showers with a chance of thunderstorms in 
the evening. waves 4 to 7 ft occasionally to 9 ft. 
.friday...west winds 10 to 20 kt becoming southwest 15 to 25 kt.
waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft. 
.friday night...southwest winds 10 to 20 kt. waves 2 to 4 ft. 
.saturday...southwest winds 10 to 20 kt increasing to 30 kt in
the afternoon. waves 3 to 5 ft building to 4 to 6 ft occasionally
to 8 ft. 
.saturday night...southwest winds 15 to 25 kt becoming northwest
10 to 20 kt. showers likely with a chance of thunderstorms. waves
4 to 6 ft occasionally to 8 ft subsiding to 3 to 5 ft. 
.sunday...northwest winds 10 to 20 kt increasing to 15 to 25 kt.
waves 2 to 4 ft. 
.monday...southwest winds 10 to 20 kt. waves 1 to 3 ft.  

$$

fzus63 kmqt 110201
glfls 
expires:202606110800;;534041

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt wed jun 10 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... 

troughing of around 29.5 inches will move across lake superior 
tonight as a low pressure moves through northern ontario at 29.3 
inches. pressure over lake superior holds at around 29.6 inches on 
thursday until another colorado low lifts into the upper great lakes 
at around 29.5 inches in the evening. behind the low, troughing 
progressively weakens to 29.8 inches friday through friday night. 
while troughing may restrengthen a little to 29.7 inches on 
saturday, expect weak ridging of 30.0 inches to return to lake 
superior on sunday. 




lsz263-110800-
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-
1000 pm edt wed jun 10 2026

...dense fog advisory in effect until 8 am edt thursday...

.rest of tonight...south winds 5 to 15 knots becoming southwest
10 to 20 knots after midnight. patchy dense fog. a slight chance
of thunderstorms by midnight. a chance of showers. some
thunderstorms may be severe. waves 2 to 4 feet subsiding to 1 to
3 feet, then building to 2 to 4 feet. 
.thursday...southwest winds 10 to 20 knots increasing to 15 to
25 knots in the afternoon, then diminishing to 10 to 20 knots
late. areas of dense fog through early afternoon. a chance of
showers by mid afternoon. waves 2 to 4 feet. 
.thursday night...southwest winds 10 to 20 knots increasing to
15 to 25 knots after midnight, then veering west late. a chance
of showers. waves building to 3 to 6 feet occasionally to 8 feet.
.friday...southwest winds 20 to 30 knots. waves building to 4 to
7 feet occasionally to 9 feet. 
.friday night...west winds 15 to 25 knots backing southwest after
midnight. waves subsiding to 2 to 4 feet. 
.saturday...west winds 15 to 25 knots. waves building to 3 to
5 feet occasionally to 7 feet. 
.saturday night...west winds 10 to 20 knots increasing to 15 to
25 knots after midnight. waves subsiding to 2 to 4 feet, then
building to 3 to 5 feet occasionally to 7 feet. 
.sunday...west winds 15 to 25 knots. waves building to 3 to
6 feet occasionally to 8 feet, then subsiding to 2 to 4 feet. 
.monday...southwest winds 10 to 20 knots diminishing to 5 to
15 knots. waves subsiding to calm to 2 feet. 

$$

fzus63 kmqt 110201
glfls 
expires:202606110800;;534040

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt wed jun 10 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... 

troughing of around 29.5 inches will move across lake superior 
tonight as a low pressure moves through northern ontario at 29.3 
inches. pressure over lake superior holds at around 29.6 inches on 
thursday until another colorado low lifts into the upper great lakes 
at around 29.5 inches in the evening. behind the low, troughing 
progressively weakens to 29.8 inches friday through friday night. 
while troughing may restrengthen a little to 29.7 inches on 
saturday, expect weak ridging of 30.0 inches to return to lake 
superior on sunday. 




lsz162-110800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1000 pm edt wed jun 10 2026 /900 pm cdt wed jun 10 2026/

...dense fog advisory in effect until 8 am edt /7 am cdt/
thursday...

.rest of tonight...west winds 5 to 15 knots becoming southwest
10 to 20 knots after midnight. a chance of showers and a slight
chance of thunderstorms by midnight. patchy dense fog. some
thunderstorms may be severe. waves calm to 2 feet building to
1 to 3 feet. 
.thursday...southwest winds 10 to 20 knots increasing to 15 to
25 knots late. patchy fog through early afternoon. a chance of
showers and a slight chance of thunderstorms by mid afternoon.
waves 1 to 3 feet. 
.thursday night...southwest winds 15 to 25 knots veering west
late. a chance of showers through midnight. waves building to
2 to 4 feet. 
.friday...southwest winds 15 to 25 knots becoming west 20 to
30 knots by mid afternoon. waves building to 3 to 6 feet
occasionally to 8 feet. 
.friday night...west winds 10 to 20 knots. waves subsiding to
calm to 2 feet, then building to 1 to 3 feet. 
.saturday...west winds 15 to 25 knots. waves building to 2 to
4 feet. 
.saturday night...west winds 15 to 25 knots. waves subsiding to
calm to 2 feet. 
.sunday...west winds 15 to 25 knots diminishing to 10 to
20 knots. waves building to 2 to 4 feet, then subsiding to calm
to 2 feet. 
.monday...southwest winds 10 to 20 knots becoming west 5 to
15 knots. waves building to 1 to 3 feet, then subsiding to calm
to 2 feet. 

$$

fzus63 kmqt 110201
glfls 
expires:202606110800;;534042

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt wed jun 10 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... 

troughing of around 29.5 inches will move across lake superior 
tonight as a low pressure moves through northern ontario at 29.3 
inches. pressure over lake superior holds at around 29.6 inches on 
thursday until another colorado low lifts into the upper great lakes 
at around 29.5 inches in the evening. behind the low, troughing 
progressively weakens to 29.8 inches friday through friday night. 
while troughing may restrengthen a little to 29.7 inches on 
saturday, expect weak ridging of 30.0 inches to return to lake 
superior on sunday. 




lsz264-110800-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1000 pm edt wed jun 10 2026

...dense fog advisory in effect until 8 am edt thursday...

.rest of tonight...south winds 10 to 20 knots veering southwest
late. areas of dense fog. a chance of showers. waves 2 to 4 feet.
.thursday...southwest winds 10 to 20 knots backing south late.
areas of dense fog through early afternoon. a chance of showers
by mid afternoon. waves 2 to 4 feet. 
.thursday night...southwest winds 10 to 20 knots increasing to
15 to 25 knots late. a chance of showers. waves subsiding to 1 to
3 feet, then building to 3 to 6 feet occasionally to 8 feet. 
.friday...west winds 20 to 30 knots backing southwest by mid
afternoon. waves building to 4 to 7 feet occasionally to 9 feet. 
.friday night...west winds 15 to 25 knots becoming southwest
10 to 20 knots after midnight. waves subsiding to 2 to 4 feet. 
.saturday...west winds 15 to 25 knots. waves building to 3 to
5 feet occasionally to 7 feet. 
.saturday night...west winds 10 to 20 knots. waves subsiding to
2 to 4 feet, then building to 3 to 5 feet occasionally to 7 feet.
.sunday...west winds 15 to 25 knots. waves building to 3 to
6 feet occasionally to 8 feet, then subsiding to 2 to 4 feet. 
.monday...west winds 10 to 20 knots becoming southwest 5 to
15 knots. waves subsiding to calm to 2 feet. 

$$

fzus63 kmqt 110201
glfls 
expires:202606110800;;534044

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt wed jun 10 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... 

troughing of around 29.5 inches will move across lake superior 
tonight as a low pressure moves through northern ontario at 29.3 
inches. pressure over lake superior holds at around 29.6 inches on 
thursday until another colorado low lifts into the upper great lakes 
at around 29.5 inches in the evening. behind the low, troughing 
progressively weakens to 29.8 inches friday through friday night. 
while troughing may restrengthen a little to 29.7 inches on 
saturday, expect weak ridging of 30.0 inches to return to lake 
superior on sunday. 




lsz266-110800-
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-
1000 pm edt wed jun 10 2026

...dense fog advisory in effect until 8 am edt thursday...

.rest of tonight...south winds 20 to 30 knots diminishing to
15 to 25 knots after midnight, then becoming southwest 10 to
20 knots late. areas of dense fog. a slight chance of
thunderstorms by midnight. a chance of showers. waves 3 to 5 feet
occasionally to 7 feet subsiding to 2 to 4 feet. 
.thursday...southwest winds 10 to 20 knots becoming southeast
5 to 15 knots late. areas of dense fog through early afternoon. a
chance of showers by mid afternoon. waves subsiding to 1 to
3 feet. 
.thursday night...southeast winds 10 to 20 knots becoming west
15 to 25 knots after midnight, then increasing to 20 to 30 knots
late. a chance of showers. waves subsiding to calm to 2 feet,
then building to 3 to 5 feet occasionally to 7 feet. 
.friday...west winds 15 to 25 knots. a slight chance of showers
by mid afternoon. waves building to 4 to 7 feet occasionally to
9 feet. 
.friday night...southwest winds 15 to 25 knots. waves subsiding
to 2 to 4 feet. 
.saturday...southwest winds 15 to 25 knots veering west by mid
afternoon. a chance of showers. waves building to 3 to 5 feet
occasionally to 7 feet. 
.saturday night...west winds 15 to 25 knots. waves subsiding to
2 to 4 feet. 
.sunday...west winds 15 to 25 knots. waves building to 3 to
5 feet occasionally to 7 feet, then subsiding to 2 to 4 feet. 
.monday...west winds 10 to 20 knots backing southwest. waves
subsiding to calm to 2 feet. 

$$

fzus63 kmqt 110201
glfls 
expires:202606110800;;534043

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt wed jun 10 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... 

troughing of around 29.5 inches will move across lake superior 
tonight as a low pressure moves through northern ontario at 29.3 
inches. pressure over lake superior holds at around 29.6 inches on 
thursday until another colorado low lifts into the upper great lakes 
at around 29.5 inches in the evening. behind the low, troughing 
progressively weakens to 29.8 inches friday through friday night. 
while troughing may restrengthen a little to 29.7 inches on 
saturday, expect weak ridging of 30.0 inches to return to lake 
superior on sunday. 




lsz265-110800-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1000 pm edt wed jun 10 2026

...dense fog advisory in effect until 8 am edt thursday...

.rest of tonight...southeast winds 15 to 25 knots veering south
after midnight, then becoming southwest 10 to 20 knots late.
patchy dense fog. a chance of showers. waves 3 to 5 feet
occasionally to 7 feet subsiding to 1 to 3 feet. 
.thursday...west winds 10 to 20 knots backing south in the
afternoon, then backing southeast late. patchy dense fog through
early afternoon. a chance of showers by mid afternoon. waves
subsiding to calm to 2 feet. 
.thursday night...southwest winds 10 to 20 knots becoming west
15 to 25 knots after midnight, then increasing to 20 to 30 knots
late. showers likely through midnight, then a chance of showers
after midnight. waves building to 2 to 4 feet. 
.friday...west winds 15 to 25 knots increasing to 20 to 30 knots
by mid afternoon. a slight chance of showers by mid afternoon.
waves building to 3 to 5 feet occasionally to 7 feet. 
.friday night...west winds 15 to 25 knots backing southwest after
midnight. waves subsiding to calm to 2 feet, then building to
1 to 3 feet. 
.saturday...west winds 20 to 30 knots. waves building to 3 to
5 feet occasionally to 7 feet, then subsiding to 2 to 4 feet. 
.saturday night...west winds 20 to 30 knots. waves 2 to 4 feet. 
.sunday...west winds 20 to 30 knots. waves building to 3 to
5 feet occasionally to 7 feet, then subsiding to 1 to 3 feet. 
.monday...west winds 10 to 20 knots backing southwest. waves
subsiding to calm to 2 feet. 

$$

fzus63 kmqt 110201
glfls 
expires:202606110800;;534045

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt wed jun 10 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... 

troughing of around 29.5 inches will move across lake superior 
tonight as a low pressure moves through northern ontario at 29.3 
inches. pressure over lake superior holds at around 29.6 inches on 
thursday until another colorado low lifts into the upper great lakes 
at around 29.5 inches in the evening. behind the low, troughing 
progressively weakens to 29.8 inches friday through friday night. 
while troughing may restrengthen a little to 29.7 inches on 
saturday, expect weak ridging of 30.0 inches to return to lake 
superior on sunday. 




lsz267-110800-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1000 pm edt wed jun 10 2026

...dense fog advisory in effect until 8 am edt thursday...

.rest of tonight...southeast winds 15 to 25 knots veering south
after midnight, then diminishing to 10 to 20 knots late. patchy
dense fog. a chance of showers and a slight chance of
thunderstorms. waves 1 to 3 feet. 
.thursday...southwest winds 10 to 20 knots becoming west 5 to
15 knots in the afternoon, then backing east late. areas of dense
fog through early afternoon. a slight chance of showers by mid
afternoon. waves subsiding to calm to 2 feet. 
.thursday night...southeast winds 5 to 15 knots becoming
northwest 15 to 25 knots after midnight, then backing west late.
showers through midnight, then a chance of showers after
midnight. waves building to 2 to 4 feet. 
.friday...west winds 15 to 25 knots diminishing to 5 to 15 knots
by mid afternoon. a slight chance of showers by mid afternoon.
waves building to 3 to 5 feet occasionally to 7 feet, then
subsiding to 2 to 4 feet. 
.friday night...southwest winds 5 to 15 knots increasing to 15 to
25 knots after midnight. waves 2 to 4 feet. 
.saturday...southwest winds 15 to 25 knots becoming west 10 to
20 knots by mid afternoon. a chance of showers and thunderstorms.
waves 2 to 4 feet. 
.saturday night...west winds 10 to 20 knots. waves building to
3 to 5 feet occasionally to 7 feet. 
.sunday...west winds 15 to 25 knots diminishing to 10 to
20 knots. waves building to 3 to 6 feet occasionally to 8 feet,
then subsiding to 2 to 4 feet. 
.monday...west winds 10 to 20 knots becoming southwest 5 to
15 knots. waves subsiding to calm to 2 feet. 

$$