fzus61 kbuf 111725
glflo 
expires:202606112115;;569157

open lake forecast for lake ontario
national weather service buffalo ny
125 pm edt thu jun 11 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 cross the lake tonight ahead of a 29.7 
inch trough that will cross the lake later friday. associated with 
the trough, an attendant cold front will cross 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. a trough averaging 29.8 inches will cross 
the lake on tuesday.


loz062-112115-
lake ontario open waters from the niagara river to hamlin beach-
125 pm edt thu jun 11 2026

.this afternoon...west winds 10 to 15 knots. a chance of showers
late. waves 1 to 2 feet. 
.tonight...southwest winds 5 to 15 knots. a chance of showers
early. waves 1 to 2 feet. 
.friday...southwest winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of showers in the morning. waves 1 to 3 feet
building to 2 to 4 feet. 
.friday night...southwest winds 10 to 15 knots. waves 1 to
3 feet. 
.saturday...southwest winds 10 to 15 knots. waves 1 to 3 feet. 
.sunday...southwest winds 15 to 20 knots becoming west 10 to
15 knots. showers with a chance of thunderstorms. waves 1 to
3 feet building to 2 to 4 feet. 
.monday...west winds 5 to 15 knots. waves 1 to 2 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 111725
glflo 
expires:202606112115;;569158

open lake forecast for lake ontario
national weather service buffalo ny
125 pm edt thu jun 11 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 cross the lake tonight ahead of a 29.7 
inch trough that will cross the lake later friday. associated with 
the trough, an attendant cold front will cross 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. a trough averaging 29.8 inches will cross 
the lake on tuesday.


loz063>065-112115-
lake ontario open waters from hamlin beach to the saint lawrence
river-
125 pm edt thu jun 11 2026

.this afternoon...southeast winds 5 to 15 knots. waves 1 to
2 feet. 
.tonight...southwest winds 5 to 10 knots. a chance of showers
early. waves 1 foot or less. 
.friday...south winds 5 to 15 knots increasing to 15 to 20 knots.
showers likely with a chance of thunderstorms in the morning,
then a chance of showers and thunderstorms in the afternoon.
waves 1 to 3 feet building to 2 to 4 feet. 
.friday night...south winds 15 to 20 knots becoming west 5 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.saturday...west winds 5 to 15 knots becoming south. waves 1 to
2 feet. 
.sunday...south winds 10 to 15 knots becoming west 15 to
20 knots. showers with a chance of thunderstorms. waves 1 to
3 feet. 
.monday...west winds 15 to 20 knots becoming southwest 5 to
15 knots. waves 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 111349
glfle 
expires:202606112030;;561524

open lake forecast for lake erie
national weather service cleveland oh
949 am edt thu jun 11 2026

for waters beyond five nautical miles of shore on lake erie

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

.synopsis...
a weak high pressure ridge averaging 29.80 inches exits eastward
before a cold front sweeps eastward across lake erie tonight
through friday morning. behind the front, a ridge averaging 29.95
inches builds from the upper midwest before another cold front 
sweeps eastward across the lake on sunday. behind that front, a 
weak trough averaging 29.85 inches should linger over lake erie 
before another ridge averaging 29.95 inches builds from the upper
midwest on tuesday.


lez061-168-169-112030-
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-
949 am edt thu jun 11 2026

.this afternoon...southwest winds 10 to 15 knots becoming west. a
chance of showers and thunderstorms. waves 1 to 3 feet. 
.tonight...southwest winds 5 to 15 knots. a slight chance of
showers and thunderstorms late. waves 1 to 3 feet. 
.friday...southwest winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of showers in the morning. waves 2 to 4 feet. 
.friday night...southwest winds 10 to 15 knots becoming west.
waves 2 to 3 feet. 
.saturday...west winds 5 to 15 knots becoming south. a chance of
showers saturday night. waves 1 to 3 feet. 
.sunday...southwest winds 15 to 20 knots becoming northwest 10 to
15 knots. showers with a chance of thunderstorms during the day.
waves 2 to 4 feet subsiding to 1 to 2 feet. 
.monday...west winds 5 to 15 knots becoming southwest. waves 1 to
2 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 111349
glfle 
expires:202606112030;;561522

open lake forecast for lake erie
national weather service cleveland oh
949 am edt thu jun 11 2026

for waters beyond five nautical miles of shore on lake erie

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

.synopsis...
a weak high pressure ridge averaging 29.80 inches exits eastward
before a cold front sweeps eastward across lake erie tonight
through friday morning. behind the front, a ridge averaging 29.95
inches builds from the upper midwest before another cold front 
sweeps eastward across the lake on sunday. behind that front, a 
weak trough averaging 29.85 inches should linger over lake erie 
before another ridge averaging 29.95 inches builds from the upper
midwest on tuesday.


lez162>164-112030-
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-
949 am edt thu jun 11 2026

.this afternoon...southwest winds 10 to 15 knots. a slight chance
of showers and thunderstorms. waves 1 to 2 feet. 
.tonight...southwest winds 10 to 15 knots increasing to 15 to
20 knots. a slight chance of showers and thunderstorms late in
the evening. a chance of showers and thunderstorms after
midnight. waves 1 to 3 feet. 
.friday...west winds 15 to 20 knots diminishing to 10 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.friday night...west winds 10 to 15 knots. waves 1 to 2 feet. 
.saturday...southwest winds 5 to 15 knots increasing to 15 to
20 knots. a chance of showers and thunderstorms saturday night.
waves 2 feet or less. 
.sunday...west winds 15 to 20 knots becoming northwest 10 to
15 knots. showers likely with a chance of thunderstorms during
the day. waves 1 to 3 feet. 
.monday...west winds 10 to 15 knots becoming southwest. waves
2 feet or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 111349
glfle 
expires:202606112030;;561523

open lake forecast for lake erie
national weather service cleveland oh
949 am edt thu jun 11 2026

for waters beyond five nautical miles of shore on lake erie

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

.synopsis...
a weak high pressure ridge averaging 29.80 inches exits eastward
before a cold front sweeps eastward across lake erie tonight
through friday morning. behind the front, a ridge averaging 29.95
inches builds from the upper midwest before another cold front 
sweeps eastward across the lake on sunday. behind that front, a 
weak trough averaging 29.85 inches should linger over lake erie 
before another ridge averaging 29.95 inches builds from the upper
midwest on tuesday.


lez165>167-112030-
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-
949 am edt thu jun 11 2026

.this afternoon...southwest winds 10 to 15 knots. a chance of
showers and thunderstorms, then a slight chance of showers and
thunderstorms late. waves 1 to 3 feet. 
.tonight...southwest winds 5 to 15 knots increasing to 15 to
20 knots. a slight chance of showers and thunderstorms after
midnight. waves 1 to 3 feet building to 2 to 4 feet. 
.friday...southwest winds 15 to 20 knots becoming west 10 to
15 knots. waves 2 to 4 feet. 
.friday night...west winds 10 to 15 knots. waves 1 to 3 feet. 
.saturday...west winds 5 to 15 knots becoming southwest 15 to
20 knots. a chance of showers saturday night. waves 2 feet or
less building to 2 to 4 feet. 
.sunday...southwest winds 15 to 20 knots becoming northwest 10 to
15 knots. showers with a chance of thunderstorms during the day.
waves 2 to 4 feet. 
.monday...west winds 10 to 15 knots becoming southwest. waves
1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 111358
glfsc 
expires:202606112200;;561740

lake st clair forecast
national weather service detroit/pontiac mi
958 am edt thu jun 11 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 weak surface ridge has built into the southern lakes
today south of a stalled front set up from southern lake michigan
to southern lake huron. 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.


lcz460-112200-
lake st clair-
958 am edt thu jun 11 2026

.rest of today...southwest winds 10 to 15 knots. partly sunny. waves
2 feet or less.
.tonight...south winds 10 to 15 knots becoming southwest 20 to 25
knots. partly cloudy becoming mostly cloudy. a chance of light
showers in the late evening and overnight. a chance of thunderstorms
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. showers
likely and a chance of thunderstorms. waves 1 to 3 feet.
.monday...southwest winds 10 to 15 knots. mostly clear. waves 2 feet
or less.

$$

fzus63 kdtx 111357
glflh 
expires:202606112200;;561734

open lake forecast for lake huron
national weather service detroit/pontiac mi
957 am edt thu jun 11 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 weak surface ridge has built into the southern lakes
today south of a stalled front set up from southern lake michigan
to southern lake huron. 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.


lhz363-112200-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
957 am edt thu jun 11 2026

.rest of today...southwest winds 10 to 15 knots. waves 1 to
3 feet. 
.tonight...east winds 10 to 15 knots veering to the southeast
late in the evening...then becoming south 15 to 20 knots with
gusts to around 30 knots after midnight. 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 10 to 15 knots. 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 increasing to 15 to
20 knots late in the morning...then decreasing to 10 to 15 knots
late in the evening. a chance of showers late in the morning.
rain showers likely and a chance of thunderstorms late in the
afternoon...then showers late in the evening. waves 1 to 3 feet
building to 3 to 5 feet. 
.sunday...southwest winds 10 to 15 knots becoming northwest 5 to
10 knots until early evening...then becoming west 10 to 15 knots
by midnight. showers early in the morning...then a chance of
showers in the late morning and early afternoon. waves 1 to
3 feet building to 2 to 4 feet by midnight. 
.monday...southwest winds 10 to 15 knots. waves 2 to 4 feet. 


$$

fzus63 kdtx 111357
glflh 
expires:202606112200;;561733

open lake forecast for lake huron
national weather service detroit/pontiac mi
957 am edt thu jun 11 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 weak surface ridge has built into the southern lakes
today south of a stalled front set up from southern lake michigan
to southern lake huron. 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.


lhz361-362-112200-
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-
957 am edt thu jun 11 2026

.rest of today...southwest winds 5 to 15 knots. waves 1 to 3 
feet.
.tonight...east winds 5 to 10 knots becoming southeast 10 to
15 knots late in the evening...then increasing to 20 to 25 knots
after midnight veering to the south with gusts to around 30 knots
early in the morning. a chance of showers and thunderstorms.
waves 1 to 3 feet building to 5 to 7 feet. waves occasionally
around 10 feet. 
.friday...southwest winds 15 to 20 knots becoming south 5 to
10 knots. waves 4 to 6 feet. waves occasionally around 8 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. 
.saturday...southwest winds 10 to 15 knots decreasing to 5 to
10 knots late in the evening. a chance of showers. rain showers
likely late in the afternoon. waves 2 to 4 feet. 
.sunday...west winds 10 to 15 knots. a chance of showers early in
the morning. waves 1 to 3 feet building to 2 to 4 feet. 
.monday...southwest winds 10 to 15 knots becoming south 5 to
10 knots . waves 2 to 4 feet subsiding to 1 to 3 feet by
midnight. 


$$

fzus63 kdtx 111357
glflh 
expires:202606112200;;561735

open lake forecast for lake huron
national weather service detroit/pontiac mi
957 am edt thu jun 11 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 weak surface ridge has built into the southern lakes
today south of a stalled front set up from southern lake michigan
to southern lake huron. 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>464-112200-
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-
957 am edt thu jun 11 2026

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


$$

fzus63 kmkx 111914
glflm 
expires:202606120300;;575789

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
213 pm cdt thu jun 11 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...

southwest winds will become breezy south to southeasterly this 
afternoon as low pressure around 29.5 inches moves from eastern 
iowa to central lake michigan by early evening. by friday morning
the low will continue to accelerate northeastward into ontario. 
winds will become westerly and breezy behind the low pressure area
this evening through the overnight. numerous thunderstorms are 
expected this afternoon and evening and may become severe.


lmz080-669-671-673-870-872-874-876-878-120300-
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 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-
213 pm cdt thu jun 11 2026

sheboygan wi to pentwater mi south to wind point wi to holland
mi...

.tonight...south winds to 30 kt veering to west 15 to 25 kt.
chance of showers and thunderstorms in the evening. waves 4 to
7 ft occasionally to 9 ft building to 5 to 8 ft occasionally to
10 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 15 to 25 kt becoming south to 30 kt.
waves 3 to 5 ft building to 4 to 6 ft occasionally to 8 ft. 
.saturday night...southwest winds 15 to 25 kt becoming west 10 to
20 kt. showers with a chance of thunderstorms. waves 4 to 6 ft
occasionally to 8 ft subsiding to 2 to 4 ft. 
.sunday...northwest winds 15 to 25 kt. waves 3 to 5 ft. 
.monday...west winds 15 to 25 kt becoming southwest 10 to 20 kt.
waves 3 to 5 ft.  

$$

fzus63 kmkx 111914
glflm 
expires:202606120300;;575790

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
213 pm cdt thu jun 11 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...

southwest winds will become breezy south to southeasterly this 
afternoon as low pressure around 29.5 inches moves from eastern 
iowa to central lake michigan by early evening. by friday morning
the low will continue to accelerate northeastward into ontario. 
winds will become westerly and breezy behind the low pressure area
this evening through the overnight. numerous thunderstorms are 
expected this afternoon and evening and may become severe.


lmz675-777-779-120300-
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-
213 pm cdt thu jun 11 2026

wind point wi to holland mi south...

...tornado watch 313 in effect until 9 pm cdt this evening...

.tonight...south winds to 30 kt veering to west 15 to 25 kt.
chance of showers and thunderstorms in the evening. waves 4 to
7 ft occasionally to 9 ft building to 5 to 8 ft occasionally to
10 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 15 to 25 kt becoming south to 30 kt.
waves 3 to 5 ft building to 4 to 6 ft occasionally to 8 ft. 
.saturday night...southwest winds 15 to 25 kt becoming west 10 to
20 kt. showers with a chance of thunderstorms. waves 4 to 6 ft
occasionally to 8 ft subsiding to 2 to 4 ft. 
.sunday...northwest winds 15 to 25 kt. waves 3 to 5 ft. 
.monday...west winds 15 to 25 kt becoming southwest 10 to 20 kt.
waves 3 to 5 ft.  

$$

fzus63 kmkx 111914
glflm 
expires:202606120300;;575788

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
213 pm cdt thu jun 11 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...

southwest winds will become breezy south to southeasterly this 
afternoon as low pressure around 29.5 inches moves from eastern 
iowa to central lake michigan by early evening. by friday morning
the low will continue to accelerate northeastward into ontario. 
winds will become westerly and breezy behind the low pressure area
this evening through the overnight. numerous thunderstorms are 
expected this afternoon and evening and may become severe.


lmz261-362-364-366-563-565-567-868-120300-
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-
213 pm cdt thu jun 11 2026

sheboygan wi to pentwater mi north...

.tonight...southeast winds to 30 kt veering to west. patchy fog.
showers likely with a chance of thunderstorms in the evening,
then slight chance of showers overnight. waves 4 to 6 ft
occasionally to 8 ft building to 5 to 8 ft occasionally to 10 ft.
.friday...west winds 15 to 25 kt becoming southwest 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 showers likely 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 west 10 to
20 kt. chance of showers. waves 4 to 6 ft occasionally to 8 ft
subsiding to 2 to 4 ft. 
.sunday...northwest winds 10 to 20 kt becoming west 15 to 25 kt.
waves 2 to 4 ft. 
.monday...west winds 15 to 25 kt becoming southwest. waves 2 to
4 ft.  

$$

fzus63 kmkx 111411
glflm 
expires:202606112115;;562738

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
911 am cdt thu jun 11 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...

southwest winds will become breezy south to southeasterly this 
afternoon as low pressure around 29.5 inches moves from eastern 
iowa to central lake michigan by early evening. by friday morning
the low will continue to accelerate northeastward into ontario. 
winds will become westerly and breezy behind the low pressure area
this evening through the overnight. numerous thunderstorms are 
expected this afternoon and evening and may become severe.


lmz080-669-671-673-675-777-779-870-872-874-876-878-112115-
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-
911 am cdt thu jun 11 2026

sheboygan wi to pentwater mi south...

.rest of today...southwest winds 10 to 20 kt becoming south 15 to
25 kt. slight chance of showers and thunderstorms this afternoon.
waves 2 to 4 ft. 
.tonight...south winds to 30 kt veering to west 15 to 25 kt.
chance of showers and thunderstorms in the evening. waves 4 to
7 ft occasionally to 9 ft building to 5 to 8 ft occasionally to
10 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 15 to 25 kt becoming south to 30 kt.
waves 3 to 5 ft building to 4 to 6 ft occasionally to 8 ft. 
.saturday night...southwest winds 15 to 25 kt becoming west 10 to
20 kt. showers with a chance of thunderstorms. waves 4 to 6 ft
occasionally to 8 ft subsiding to 2 to 4 ft. 
.sunday...northwest winds 15 to 25 kt. waves 3 to 5 ft. 
.monday...west winds 15 to 25 kt becoming southwest 10 to 20 kt.
waves 3 to 5 ft.  

$$

fzus63 kmqt 111401
glfls 
expires:202606112000;;561959

open lake forecast for lake superior
national weather service marquette mi
1000 am edt thu jun 11 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 gives way to weak ridging of 29.7 
inches early this afternoon, before a shortwave low riding into the 
upper great lakes this evening drops down to 29.3 inches over the 
eastern lake this evening. behind the low, troughing progressively 
weakens to 29.7 inches friday through friday night. while troughing 
looks to restrengthen a little to 29.6 inches on saturday, expect 
weak ridging of 29.8 inches to return to lake superior on sunday. a 
29.7 inch trough moves through the lake sunday night before 29.8 
inch ridging pushes back in on monday. 




lsz264-112000-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1000 am edt thu jun 11 2026

...dense fog advisory in effect until 2 pm edt this afternoon...

.rest of today...southwest winds 5 to 15 knots becoming south
10 to 20 knots late. patchy fog. a slight chance of showers by
mid afternoon. waves 1 to 3 feet. 
.tonight...southwest winds 5 to 15 knots becoming west 10 to
20 knots after midnight, then increasing to 15 to 25 knots late.
showers likely through midnight, then a chance of showers after
midnight. 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 becoming southwest 20 to
30 knots in the afternoon. waves building to 3 to 6 feet
occasionally to 8 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...southwest winds 15 to 25 knots veering west by mid
afternoon. 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. 
.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 diminishing to 5 to 15 knots.
waves subsiding to calm to 2 feet. 

$$

fzus63 kmqt 111401
glfls 
expires:202606112000;;561962

open lake forecast for lake superior
national weather service marquette mi
1000 am edt thu jun 11 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 gives way to weak ridging of 29.7 
inches early this afternoon, before a shortwave low riding into the 
upper great lakes this evening drops down to 29.3 inches over the 
eastern lake this evening. behind the low, troughing progressively 
weakens to 29.7 inches friday through friday night. while troughing 
looks to restrengthen a little to 29.6 inches on saturday, expect 
weak ridging of 29.8 inches to return to lake superior on sunday. a 
29.7 inch trough moves through the lake sunday night before 29.8 
inch ridging pushes back in on monday. 




lsz267-112000-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1000 am edt thu jun 11 2026

...dense fog advisory in effect until 2 pm edt this afternoon...

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

$$

fzus63 kmqt 111401
glfls 
expires:202606112000;;561957

open lake forecast for lake superior
national weather service marquette mi
1000 am edt thu jun 11 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 gives way to weak ridging of 29.7 
inches early this afternoon, before a shortwave low riding into the 
upper great lakes this evening drops down to 29.3 inches over the 
eastern lake this evening. behind the low, troughing progressively 
weakens to 29.7 inches friday through friday night. while troughing 
looks to restrengthen a little to 29.6 inches on saturday, expect 
weak ridging of 29.8 inches to return to lake superior on sunday. a 
29.7 inch trough moves through the lake sunday night before 29.8 
inch ridging pushes back in on monday. 




lsz162-112000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1000 am edt thu jun 11 2026 /900 am cdt thu jun 11 2026/

.rest of today...southwest winds 10 to 20 knots. a chance of
showers by mid afternoon. waves calm to 2 feet building to 1 to
3 feet. 
.tonight...southwest winds 10 to 20 knots veering west after
midnight, then increasing to 15 to 25 knots late. a chance of
showers. waves subsiding to calm to 2 feet, then building to 1 to
3 feet. 
.friday...southwest 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 3 to 5 feet occasionally to 7 feet, then
subsiding to 2 to 4 feet. 
.friday night...west winds 10 to 20 knots backing southwest after
midnight. a slight chance of showers after midnight. 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. waves building to 2 to
4 feet, then subsiding to calm to 2 feet. 
.monday...west winds 10 to 20 knots diminishing to 5 to 15 knots.
waves calm to 2 feet. 

$$

fzus63 kmqt 111401
glfls 
expires:202606112000;;561960

open lake forecast for lake superior
national weather service marquette mi
1000 am edt thu jun 11 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 gives way to weak ridging of 29.7 
inches early this afternoon, before a shortwave low riding into the 
upper great lakes this evening drops down to 29.3 inches over the 
eastern lake this evening. behind the low, troughing progressively 
weakens to 29.7 inches friday through friday night. while troughing 
looks to restrengthen a little to 29.6 inches on saturday, expect 
weak ridging of 29.8 inches to return to lake superior on sunday. a 
29.7 inch trough moves through the lake sunday night before 29.8 
inch ridging pushes back in on monday. 




lsz265-112000-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1000 am edt thu jun 11 2026

.rest of today...southwest winds 5 to 15 knots backing south in
the afternoon, then becoming southeast 10 to 20 knots late. a
chance of showers by mid afternoon. waves calm to 2 feet. 
.tonight...north winds 10 to 20 knots becoming northwest 15 to
25 knots after midnight, then backing west late. a slight chance
of thunderstorms through midnight. showers. waves building to
2 to 4 feet. 
.friday...west winds 15 to 25 knots increasing to 20 to 30 knots
late. a chance of showers by mid afternoon. waves subsiding to
1 to 3 feet, then building to 2 to 4 feet. 
.friday night...west winds 10 to 20 knots becoming southwest
15 to 25 knots after midnight. waves subsiding to calm to 2 feet.
.saturday...west winds 15 to 25 knots. a slight chance of
showers. waves building to 2 to 4 feet. 
.saturday night...west winds 15 to 25 knots. waves subsiding to
1 to 3 feet. 
.sunday...west winds 20 to 30 knots. waves building to 2 to
4 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 111401
glfls 
expires:202606112000;;561961

open lake forecast for lake superior
national weather service marquette mi
1000 am edt thu jun 11 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 gives way to weak ridging of 29.7 
inches early this afternoon, before a shortwave low riding into the 
upper great lakes this evening drops down to 29.3 inches over the 
eastern lake this evening. behind the low, troughing progressively 
weakens to 29.7 inches friday through friday night. while troughing 
looks to restrengthen a little to 29.6 inches on saturday, expect 
weak ridging of 29.8 inches to return to lake superior on sunday. a 
29.7 inch trough moves through the lake sunday night before 29.8 
inch ridging pushes back in on monday. 




lsz266-112000-
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 am edt thu jun 11 2026

...dense fog advisory in effect until 2 pm edt this afternoon...

.rest of today...southwest winds 5 to 15 knots becoming southeast
10 to 20 knots late. patchy fog. a slight chance of showers by
mid afternoon. waves 1 to 3 feet subsiding to calm to 2 feet. 
.tonight...east winds 10 to 20 knots becoming northwest 15 to
25 knots after midnight, then backing west late. a slight chance
of thunderstorms through midnight. showers. waves building to
3 to 5 feet occasionally to 7 feet. 
.friday...west winds 15 to 25 knots. a chance of showers and a
slight chance of thunderstorms by mid afternoon. waves building
to 3 to 6 feet occasionally to 8 feet. 
.friday night...southwest winds 15 to 25 knots. waves subsiding
to 2 to 4 feet. 
.saturday...southwest winds 15 to 25 knots becoming west 10 to
20 knots by mid afternoon. a chance of showers. waves building to
3 to 5 feet occasionally to 7 feet, then subsiding to 2 to
4 feet. 
.saturday night...west winds 10 to 20 knots increasing to 15 to
25 knots after midnight. waves subsiding to 1 to 3 feet, then
building 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 111401
glfls 
expires:202606112000;;561958

open lake forecast for lake superior
national weather service marquette mi
1000 am edt thu jun 11 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 gives way to weak ridging of 29.7 
inches early this afternoon, before a shortwave low riding into the 
upper great lakes this evening drops down to 29.3 inches over the 
eastern lake this evening. behind the low, troughing progressively 
weakens to 29.7 inches friday through friday night. while troughing 
looks to restrengthen a little to 29.6 inches on saturday, expect 
weak ridging of 29.8 inches to return to lake superior on sunday. a 
29.7 inch trough moves through the lake sunday night before 29.8 
inch ridging pushes back in on monday. 




lsz263-112000-
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 am edt thu jun 11 2026

...dense fog advisory in effect until 2 pm edt this afternoon...

.rest of today...southwest winds 10 to 20 knots. patchy fog by
late morning. a chance of showers by mid afternoon. waves 1 to
3 feet. 
.tonight...west winds 5 to 15 knots increasing to 15 to 25 knots
after midnight. showers likely through midnight, then a chance of
showers after midnight. waves subsiding to calm to 2 feet, then
building to 3 to 5 feet occasionally to 7 feet. 
.friday...southwest winds 15 to 25 knots increasing to 20 to
30 knots in the afternoon. waves building to 3 to 6 feet
occasionally to 8 feet. 
.friday night...west winds 15 to 25 knots becoming southwest
10 to 20 knots after midnight. a slight chance of showers 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. 
.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 diminishing to 5 to 15 knots.
waves subsiding to calm to 2 feet. 

$$