fzus61 kbuf 130202
glflo 
expires:202606130900;;648564

open lake forecast for lake ontario
national weather service buffalo ny
1002 pm edt fri jun 12 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 30.0 inch high will ridge across the lower great lakes 
tonight through sunday morning, then a cold front will crosses the 
region sunday afternoon and evening. the eastern edge of a 30.1 inch 
high over the plains states will push over the lake on monday with a 
trough averaging 29.8 inches crossing the lake on tuesday. a 29.4 
inch low will then track north of the lake on wednesday, with its 
trailing cold front approaching the lake late in the day on 
wednesday.


loz063>065-130900-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 pm edt fri jun 12 2026

.overnight...west winds 5 to 15 knots becoming southwest.
waves 2 to 4 feet subsiding to 1 to 3 feet. 
.saturday...west winds 5 to 15 knots. waves 1 to 3 feet. 
.saturday night...southwest winds 10 to 15 knots becoming south.
waves 1 to 2 feet. 
.sunday...south winds 10 to 15 knots becoming west. showers
likely in the morning, then showers with a chance of
thunderstorms in the afternoon. waves 1 to 2 feet. 
.sunday night...west winds 10 to 15 knots increasing to 15 to
20 knots. showers with a chance of thunderstorms in the evening,
then a chance of showers overnight. waves 1 to 3 feet building to
3 to 6 feet. 
.monday...west winds 15 to 20 knots becoming southwest 5 to
15 knots. waves 3 to 6 feet subsiding to 1 to 2 feet. 
.tuesday...southwest winds 5 to 15 knots becoming south. waves
2 feet or less. 
.wednesday...south winds 5 to 15 knots increasing to 15 to
20 knots. a chance of showers during the day, then showers likely
wednesday night. waves 2 feet or less building to 2 to 4 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 130202
glflo 
expires:202606130900;;648563

open lake forecast for lake ontario
national weather service buffalo ny
1002 pm edt fri jun 12 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 30.0 inch high will ridge across the lower great lakes 
tonight through sunday morning, then a cold front will crosses the 
region sunday afternoon and evening. the eastern edge of a 30.1 inch 
high over the plains states will push over the lake on monday with a 
trough averaging 29.8 inches crossing the lake on tuesday. a 29.4 
inch low will then track north of the lake on wednesday, with its 
trailing cold front approaching the lake late in the day on 
wednesday.


loz062-130900-
lake ontario open waters from the niagara river to hamlin beach-
1002 pm edt fri jun 12 2026

.overnight...west winds 10 to 15 knots becoming southwest.
waves 1 to 3 feet. 
.saturday...southwest winds 10 to 15 knots increasing to 15 to
20 knots. waves 1 to 3 feet. 
.saturday night...southwest winds 15 to 20 knots. waves 1 to
3 feet. 
.sunday...southwest winds 10 to 15 knots becoming west. showers
in the morning, then showers with a chance of thunderstorms in
the afternoon. waves 1 to 3 feet. 
.sunday night...west winds 10 to 15 knots increasing to 15 to
20 knots. showers with a chance of thunderstorms in the evening.
waves 2 to 4 feet. 
.monday...west winds 15 to 20 knots becoming southwest 5 to
15 knots. waves 2 to 4 feet subsiding to 1 to 2 feet. 
.tuesday...southwest winds 5 to 10 knots becoming south. a chance
of showers tuesday night. waves 2 feet or less. 
.wednesday...south winds 5 to 15 knots. a chance of showers
during the day, then showers likely wednesday night. waves 1 to
2 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 130130
glfle 
expires:202606130815;;647925

open lake forecast for lake erie
national weather service cleveland oh
930 pm edt fri jun 12 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 ridge averaging 30.00 inches will persist over the ohio valley 
through saturday. a cold front will move east across lake erie on 
on sunday, followed by a ridge averaging 30.00 inches monday into 
tuesday. a stronger low pressure system 29.40 inches will approach
the western great lakes on wednesday.


lez061-167>169-130815-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-willowick to geneva-on-the-
lake oh beyond 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-
930 pm edt fri jun 12 2026

.overnight...southwest winds around 10 knots becoming west.
waves 2 to 4 feet. 
.saturday...southwest winds 5 to 10 knots. waves 1 to 2 feet. 
.saturday night...south winds 5 to 15 knots becoming southwest.
waves 1 to 3 feet. 
.sunday...southwest winds 10 to 15 knots becoming west. showers
in the morning, then showers with a chance of thunderstorms in
the afternoon. waves 1 to 3 feet. 
.sunday night...northwest winds 10 to 15 knots. showers in the
evening. waves 1 to 3 feet. 
.monday...northwest winds 5 to 15 knots becoming southwest. waves
1 to 2 feet. 
.tuesday...southwest winds 5 to 15 knots becoming south 15 to
20 knots. a chance of showers tuesday night. waves 1 to 2 feet
building to 2 to 4 feet. 
.wednesday...southwest winds 15 to 20 knots becoming south and
increasing to 30 knots. a chance of showers during the day, then
showers with a chance of thunderstorms wednesday night. waves
3 to 5 feet building to 4 to 7 feet. waves occasionally around
9 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 130130
glfle 
expires:202606130815;;647924

open lake forecast for lake erie
national weather service cleveland oh
930 pm edt fri jun 12 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 ridge averaging 30.00 inches will persist over the ohio valley 
through saturday. a cold front will move east across lake erie on 
on sunday, followed by a ridge averaging 30.00 inches monday into 
tuesday. a stronger low pressure system 29.40 inches will approach
the western great lakes on wednesday.


lez162>166-130815-
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-
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-
930 pm edt fri jun 12 2026

.overnight...west winds 5 to 10 knots. waves 1 to 3 feet. 
.saturday...southwest winds 5 to 10 knots. waves 2 feet or less. 
.saturday night...south winds 5 to 15 knots becoming southwest.
waves 1 to 3 feet. 
.sunday...southwest winds 10 to 15 knots becoming northwest 15 to
20 knots. showers in the morning, then showers with a chance of
thunderstorms in the afternoon. waves 1 to 3 feet. 
.sunday night...northwest winds 15 to 20 knots diminishing to
10 to 15 knots. showers likely in the evening. waves 1 to 3 feet.
.monday...northwest winds 5 to 15 knots becoming southwest. waves
1 to 3 feet. 
.tuesday...southwest winds 10 to 15 knots increasing to 15 to
20 knots. a chance of showers tuesday night. waves 1 to 3 feet
building to 2 to 4 feet. 
.wednesday...southwest winds 15 to 20 knots becoming south and
increasing to 30 knots. a chance of showers during the day, then
showers with a chance of thunderstorms wednesday night. waves
2 to 4 feet building to 4 to 7 feet. waves occasionally around
9 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 130150
glfsc 
expires:202606131000;;648284

lake st clair forecast
national weather service detroit/pontiac mi
950 pm edt fri jun 12 2026

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

.synopsis...high pressure, 30.00 inches, builds across the ohio
valley through saturday. this occurs while the next cold front
moves in from the midwest set to cross the central great lakes
saturday night and sunday morning.


lcz460-131000-
lake st clair-
950 pm edt fri jun 12 2026

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

$$

fzus63 kdtx 130150
glflh 
expires:202606131000;;648280

open lake forecast for lake huron
national weather service detroit/pontiac mi
950 pm edt fri jun 12 2026

for waters beyond five nautical miles off shore on lake huron

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

.synopsis...high pressure, 30.00 inches, builds across the ohio
valley through saturday. this occurs while the next cold front
moves in from the midwest set to cross the central great lakes
saturday night and sunday morning.


lhz361-131000-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
950 pm edt fri jun 12 2026

.rest of tonight...southwest winds 5 to 10 knots increasing to
10 to 15 knots early in the morning. waves 1 to 3 feet. 
.saturday...southwest winds 10 to 15 knots increasing to 15 to
20 knots in the late morning and afternoon. showers likely in the
morning...then showers likely and a chance of thunderstorms in
the afternoon. waves 3 to 5 feet. 
.saturday night...southwest winds 10 to 15 knots becoming west
5 to 10 knots in the late evening and overnight. a chance of
showers and thunderstorms in the evening. waves 2 to 4 feet
subsiding to 1 to 3 feet in the late evening and overnight. 
.sunday...west winds 5 to 10 knots increasing to 15 to 20 knots.
waves 1 to 3 feet building to 3 to 5 feet early in the afternoon.
.sunday night...northwest winds 15 to 20 knots becoming west
10 to 15 knots in the late evening and overnight. waves 3 to
5 feet. 
.monday...west winds 10 to 15 knots decreasing to 5 to 10 knots
late in the afternoon...then backing to the southwest late in the
evening. waves 2 to 4 feet subsiding to 1 to 3 feet late in the
afternoon. 
.tuesday...southwest winds 5 to 10 knots backing to the southeast
. a chance of showers . waves 1 to 3 feet. 
.wednesday...south winds 5 to 10 knots increasing to 10 to
15 knots until early evening...then backing to the southeast by
midnight. a chance of showers. rain showers likely by midnight.
waves 1 to 3 feet building to 3 to 5 feet by midnight. 


$$

fzus63 kdtx 130150
glflh 
expires:202606131000;;648281

open lake forecast for lake huron
national weather service detroit/pontiac mi
950 pm edt fri jun 12 2026

for waters beyond five nautical miles off shore on lake huron

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

.synopsis...high pressure, 30.00 inches, builds across the ohio
valley through saturday. this occurs while the next cold front
moves in from the midwest set to cross the central great lakes
saturday night and sunday morning.


lhz362-363-131000-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
950 pm edt fri jun 12 2026

.rest of tonight...southwest winds 10 to 15 knots. waves 2 to
4 feet. 
.saturday...southwest winds 10 to 15 knots becoming south 15 to
20 knots. a chance of showers in the morning...then a chance of
showers and thunderstorms in the afternoon. waves 3 to 5 feet. 
.saturday night...south winds 10 to 15 knots becoming west 5 to
10 knots in the late evening and overnight. a chance of showers
and thunderstorms in the evening...then a chance of showers after
midnight. waves 3 to 5 feet subsiding to 1 to 3 feet after
midnight. 
.sunday...north winds 5 to 10 knots becoming northwest 10 to
15 knots early in the afternoon. a chance of showers. waves 1 to
3 feet building to 3 to 5 feet early in the afternoon. 
.sunday night...northwest winds 15 to 20 knots becoming west
10 to 15 knots in the late evening and overnight. waves 4 to
6 feet. waves occasionally around 8 feet. 
.monday...west winds 10 to 15 knots becoming southwest 5 to
10 knots late in the morning...then backing to the east late in
the afternoon veering to the southwest late in the evening. waves
2 to 4 feet subsiding to 1 to 3 feet. 
.tuesday...southwest winds 5 to 10 knots becoming south 10 to
15 knots. a chance of showers . waves 1 to 3 feet building to
2 to 4 feet . 
.wednesday...south winds 10 to 15 knots. a chance of showers.
waves 2 to 4 feet subsiding to 1 to 3 feet early in the evening...
then building to 2 to 4 feet by midnight. 


$$

fzus63 kdtx 130150
glflh 
expires:202606131000;;648282

open lake forecast for lake huron
national weather service detroit/pontiac mi
950 pm edt fri jun 12 2026

for waters beyond five nautical miles off shore on lake huron

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

.synopsis...high pressure, 30.00 inches, builds across the ohio
valley through saturday. this occurs while the next cold front
moves in from the midwest set to cross the central great lakes
saturday night and sunday morning.


lhz462>464-131000-
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-
950 pm edt fri jun 12 2026

.rest of tonight...southwest winds 10 to 15 knots. waves 2 to
4 feet. 
.saturday...southwest winds 10 to 15 knots. waves 2 to 4 feet. 
.saturday night...southwest winds 10 to 15 knots becoming
northwest 5 to 10 knots after midnight. a chance of showers after
midnight. waves 3 to 5 feet subsiding to 1 to 3 feet after
midnight. 
.sunday...north winds 5 to 10 knots. showers likely. waves 1 to
3 feet. 
.sunday night...northwest winds 5 to 10 knots becoming west 10 to
15 knots after midnight. waves 1 to 3 feet building to 2 to
4 feet in the late evening and overnight. 
.monday...west winds 10 to 15 knots becoming southwest 5 to
10 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.tuesday...southwest winds 5 to 10 knots becoming south 10 to
15 knots . a chance of showers . waves 1 to 3 feet building to
2 to 4 feet by midnight. 
.wednesday...south winds 10 to 15 knots decreasing to 5 to
10 knots early in the evening...then increasing to 15 to 20 knots
with gusts to around 30 knots by midnight. a chance of showers.
rain showers by midnight. waves 2 to 4 feet subsiding to 1 to
3 feet until early evening...then building to 3 to 5 feet by
midnight. 


$$

fzus63 kmkx 130200
glflm 
expires:202606130930;;648422

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
900 pm cdt fri jun 12 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 29.2 inches in the hudson bay will continue 
to bring modest to breezy southwest winds to lake michigan 
through saturday. a cold front will then move north to south
across the lake saturday night, with winds become northwesterly 
and a bit gusty. northwesterly winds will then gradually diminish
on sunday. light southwest winds will then return on monday 
before low pressure develops in the northern great plains and 
brings gusty south winds to the lake for tuesday and wednesday. 
winds may become very gusty going into wednesday evening as low 
pressure crosses the northern half of the lake. a few gales are 
possible. winds then shift to westerly as low pressure exits on 
thursday.


lmz080-669-671-673-675-777-779-870-872-874-876-878-130930-
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-
900 pm cdt fri jun 12 2026

sheboygan wi to pentwater mi south...

.rest of tonight...southwest winds 10 to 20 kt. waves 2 to 4 ft. 
.saturday...southwest winds 10 to 20 kt increasing to 15 to
25 kt. chance of showers in the afternoon. waves 4 to 6 ft
occasionally to 8 ft. 
.saturday night...southwest winds 10 to 20 kt veering to
northwest. chance of showers and thunderstorms in the evening,
then chance of showers overnight. waves 3 to 5 ft subsiding to
2 to 4 ft. 
.sunday...northwest winds 15 to 25 kt. waves 3 to 5 ft. 
.sunday night...northwest winds 10 to 20 kt becoming west. waves
1 to 3 ft. 
.monday...west winds 10 to 20 kt becoming southwest. waves 1 to
3 ft. 
.monday night...southwest winds 10 to 20 kt. waves 1 to 3 ft. 
.tuesday...southwest winds 10 to 20 kt becoming south to 30 kt.
waves 3 to 5 ft building to 4 to 6 ft occasionally to 8 ft. 
.wednesday...southwest winds 10 to 20 kt becoming south 15 to
25 kt. chance of thunderstorms. waves 2 to 4 ft building to 3 to
5 ft.  

$$

fzus63 kmkx 130200
glflm 
expires:202606130930;;648421

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
900 pm cdt fri jun 12 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 29.2 inches in the hudson bay will continue 
to bring modest to breezy southwest winds to lake michigan 
through saturday. a cold front will then move north to south
across the lake saturday night, with winds become northwesterly 
and a bit gusty. northwesterly winds will then gradually diminish
on sunday. light southwest winds will then return on monday 
before low pressure develops in the northern great plains and 
brings gusty south winds to the lake for tuesday and wednesday. 
winds may become very gusty going into wednesday evening as low 
pressure crosses the northern half of the lake. a few gales are 
possible. winds then shift to westerly as low pressure exits on 
thursday.


lmz261-362-364-366-563-565-567-868-130930-
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-
900 pm cdt fri jun 12 2026

sheboygan wi to pentwater mi north...

.rest of tonight...southwest winds 15 to 25 kt increasing to
30 kt. chance of showers and slight chance of thunderstorms
overnight. waves 3 to 5 ft. 
.saturday...southwest winds to 15 to 25 kt. chance of showers and
slight chance of thunderstorms. waves 4 to 6 ft occasionally to 8
ft. 
.saturday night...west winds 10 to 20 kt becoming northwest.
chance of showers in the evening. waves 4 to 6 ft occasionally to
8 ft subsiding to 2 to 4 ft. 
.sunday...northwest winds 10 to 20 kt increasing to 15 to 25 kt.
waves 2 to 4 ft. 
.sunday night...west winds 15 to 25 kt diminishing to 10 to
20 kt. waves 2 to 4 ft subsiding to 1 to 3 ft. 
.monday...west winds 10 to 20 kt becoming southwest. waves 1 to
3 ft. 
.monday night...southwest winds 10 to 20 kt. waves 1 to 3 ft. 
.tuesday...southwest winds 10 to 20 kt becoming south 15 to
25 kt. waves 2 to 4 ft building to 3 to 5 ft. 
.wednesday...southwest winds 10 to 20 kt becoming south 15 to
25 kt. waves 2 to 4 ft building to 3 to 5 ft.  

$$

fzus63 kmqt 130201
glfls 
expires:202606130800;;648470

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt fri jun 12 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 29.6 inches over lake superior tonight progressively 
weakens to 29.7 inches through saturday afternoon, and further to 
29.8 by early sunday. another 29.7 inch trough moves over the lake 
later on sunday, deepening to 29.5 inches through tuesday.




lsz264-130800-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1000 pm edt fri jun 12 2026

.rest of tonight...southwest winds 10 to 20 knots increasing to
15 to 25 knots late. a slight chance of showers by midnight.
waves 3 to 6 feet occasionally to 8 feet subsiding to 2 to
4 feet, then building to 3 to 5 feet occasionally to 7 feet. 
.saturday...west winds 15 to 25 knots increasing to 20 to
30 knots in the afternoon, then diminishing to 15 to 25 knots
late. a slight chance of showers through early afternoon. waves
building to 3 to 6 feet occasionally to 8 feet. 
.saturday night...west winds 10 to 20 knots. waves subsiding to
2 to 4 feet. 
.sunday...west winds 10 to 20 knots. waves building to 3 to
5 feet occasionally to 7 feet, then subsiding to 2 to 4 feet. 
.sunday night...west winds 5 to 15 knots. waves subsiding to calm
to 2 feet, then building to 1 to 3 feet. 
.monday...west winds 10 to 20 knots backing southwest by mid
afternoon. waves building to 2 to 4 feet, then subsiding to 1 to
3 feet. 
.monday night...southwest winds 5 to 15 knots. waves subsiding to
calm to 2 feet. 
.tuesday...southwest winds 5 to 15 knots backing south. waves
calm to 2 feet. 
.wednesday...south winds 5 to 15 knots backing east. a chance of
rain showers. waves calm to 2 feet. 

$$

fzus63 kmqt 130201
glfls 
expires:202606130800;;648471

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt fri jun 12 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 29.6 inches over lake superior tonight progressively 
weakens to 29.7 inches through saturday afternoon, and further to 
29.8 by early sunday. another 29.7 inch trough moves over the lake 
later on sunday, deepening to 29.5 inches through tuesday.




lsz265-130800-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1000 pm edt fri jun 12 2026

.rest of tonight...southwest winds 15 to 25 knots. waves 1 to
3 feet subsiding to calm to 2 feet, then building to 1 to 3 feet.
.saturday...west winds 15 to 25 knots increasing to 20 to
30 knots in the afternoon. waves building to 3 to 5 feet
occasionally to 7 feet, then subsiding 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. 
.sunday night...west winds 10 to 20 knots. waves subsiding to
calm to 2 feet. 
.monday...west winds 15 to 25 knots diminishing to 10 to 20 knots
by mid afternoon. waves calm to 2 feet. 
.monday night...southwest winds 10 to 20 knots. waves calm to
2 feet. 
.tuesday...east winds 10 to 20 knots veering southwest. waves
calm to 2 feet. 
.wednesday...southwest winds 10 to 20 knots backing east. a
chance of showers. waves building to 1 to 3 feet. 

$$

fzus63 kmqt 130201
glfls 
expires:202606130800;;648468

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt fri jun 12 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 29.6 inches over lake superior tonight progressively 
weakens to 29.7 inches through saturday afternoon, and further to 
29.8 by early sunday. another 29.7 inch trough moves over the lake 
later on sunday, deepening to 29.5 inches through tuesday.




lsz162-130800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1000 pm edt fri jun 12 2026 /900 pm cdt fri jun 12 2026/

.rest of tonight...southwest winds 15 to 25 knots. waves 2 to
4 feet subsiding to 1 to 3 feet, then building to 2 to 4 feet. 
.saturday...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 3 to 5 feet occasionally to 7 feet, then
subsiding to 1 to 3 feet. 
.saturday night...west winds 10 to 20 knots increasing to 15 to
25 knots late. waves subsiding to calm to 2 feet, then building
to 1 to 3 feet. 
.sunday...west winds 15 to 25 knots. waves subsiding to calm to
2 feet, then building to 1 to 3 feet. 
.sunday night...west winds 10 to 20 knots. waves subsiding to
calm to 2 feet. 
.monday...west winds 10 to 20 knots backing southwest by mid
afternoon. waves building to 1 to 3 feet. 
.monday night...southwest winds 5 to 15 knots veering west after
midnight. waves subsiding to calm to 2 feet. 
.tuesday...west winds 5 to 15 knots. waves calm to 2 feet. 
.wednesday...east winds 5 to 15 knots becoming north 10 to
20 knots. a chance of rain showers. waves calm to 2 feet. 

$$

fzus63 kmqt 130201
glfls 
expires:202606130800;;648473

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt fri jun 12 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 29.6 inches over lake superior tonight progressively 
weakens to 29.7 inches through saturday afternoon, and further to 
29.8 by early sunday. another 29.7 inch trough moves over the lake 
later on sunday, deepening to 29.5 inches through tuesday.




lsz267-130800-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1000 pm edt fri jun 12 2026

.rest of tonight...southwest winds 10 to 20 knots increasing to
15 to 25 knots late. a slight chance of showers after midnight.
waves 3 to 5 feet occasionally to 7 feet subsiding to 2 to
4 feet, then building to 3 to 5 feet occasionally to 7 feet. 
.saturday...southwest winds 15 to 25 knots becoming west 10 to
20 knots in the afternoon. a slight chance of showers. waves
subsiding to 2 to 4 feet. 
.saturday night...west winds 10 to 20 knots. waves 2 to 4 feet. 
.sunday...west winds 15 to 25 knots. waves building to 3 to
5 feet occasionally to 7 feet. 
.sunday night...west winds 15 to 25 knots diminishing to 10 to
20 knots after midnight. waves subsiding to 1 to 3 feet. 
.monday...west winds 10 to 20 knots diminishing to 5 to 15 knots
by mid afternoon. waves subsiding to calm to 2 feet. 
.monday night...southwest winds 5 to 15 knots increasing to 10 to
20 knots after midnight. waves calm to 2 feet. 
.tuesday...south winds 5 to 15 knots. waves calm to 2 feet. 
.wednesday...southwest winds 10 to 20 knots backing east. a
chance of showers. waves building to 1 to 3 feet. 

$$

fzus63 kmqt 130201
glfls 
expires:202606130800;;648472

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt fri jun 12 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 29.6 inches over lake superior tonight progressively 
weakens to 29.7 inches through saturday afternoon, and further to 
29.8 by early sunday. another 29.7 inch trough moves over the lake 
later on sunday, deepening to 29.5 inches through tuesday.




lsz266-130800-
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 fri jun 12 2026

.rest of tonight...southwest winds 15 to 25 knots increasing to
20 to 30 knots late. a slight chance of showers by midnight.
waves 3 to 6 feet occasionally to 8 feet subsiding to 2 to
4 feet, then building to 3 to 5 feet occasionally to 7 feet. 
.saturday...southwest winds 15 to 25 knots veering west in the
afternoon. a slight chance of showers. waves building to 3 to
6 feet occasionally to 8 feet. 
.saturday night...west winds 15 to 25 knots. waves subsiding to
2 to 4 feet. 
.sunday...west winds 15 to 25 knots. waves 2 to 4 feet. 
.sunday night...west winds 10 to 20 knots. waves subsiding to
1 to 3 feet. 
.monday...west winds 10 to 20 knots diminishing to 5 to 15 knots
by mid afternoon. waves subsiding to calm to 2 feet, then
building to 1 to 3 feet. 
.monday night...southwest winds 10 to 20 knots. waves subsiding
to calm to 2 feet. 
.tuesday...south winds 5 to 15 knots increasing to 10 to
20 knots. waves calm to 2 feet. 
.wednesday...southwest winds 10 to 20 knots backing east. a
chance of showers. waves building to 1 to 3 feet. 

$$

fzus63 kmqt 130201
glfls 
expires:202606130800;;648469

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt fri jun 12 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 29.6 inches over lake superior tonight progressively 
weakens to 29.7 inches through saturday afternoon, and further to 
29.8 by early sunday. another 29.7 inch trough moves over the lake 
later on sunday, deepening to 29.5 inches through tuesday.




lsz263-130800-
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 fri jun 12 2026

.rest of tonight...southwest winds 10 to 20 knots increasing to
15 to 25 knots late. a slight chance of showers by midnight.
waves 3 to 5 feet occasionally to 7 feet subsiding to 2 to
4 feet, then building to 3 to 5 feet occasionally to 7 feet. 
.saturday...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 3 to 6 feet occasionally to 8 feet. 
.saturday night...west winds 10 to 20 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. 
.sunday night...west winds 10 to 20 knots diminishing to 5 to
15 knots after midnight. waves subsiding to calm to 2 feet, then
building to 1 to 3 feet. 
.monday...west winds 10 to 20 knots backing southwest by mid
afternoon. waves building to 2 to 4 feet, then subsiding to 1 to
3 feet. 
.monday night...southwest winds 5 to 15 knots. waves subsiding to
calm to 2 feet. 
.tuesday...west winds 5 to 15 knots. waves calm to 2 feet. 
.wednesday...west winds 5 to 15 knots becoming north 10 to
20 knots. a chance of rain showers. waves calm to 2 feet. 

$$