fzus61 kbuf 130802
glflo 
expires:202606131500;;663351

open lake forecast for lake ontario
national weather service buffalo ny
402 am edt sat jun 13 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 
through sunday morning, then a cold front will cross 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.


loz062-131500-
lake ontario open waters from the niagara river to hamlin beach-
402 am edt sat jun 13 2026

.today...southwest winds 10 to 15 knots. waves 1 to 2 feet. 
.tonight...southwest winds 15 to 20 knots diminishing to 10 to
15 knots. waves 1 to 3 feet building to 2 to 4 feet, then
subsiding to 1 to 3 feet. 
.sunday...southwest winds 5 to 10 knots becoming west. showers
with a chance of thunderstorms. waves 1 to 2 feet. 
.sunday night...northwest winds 10 to 15 knots becoming west
15 to 20 knots. showers in the evening. waves 1 to 3 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 15 knots becoming south. a chance
of showers tuesday night. waves 2 feet or less. 
.wednesday...south winds 15 to 20 knots. a chance of showers
during the day, then showers likely wednesday night. waves 1 to
3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 130802
glflo 
expires:202606131500;;663352

open lake forecast for lake ontario
national weather service buffalo ny
402 am edt sat jun 13 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 
through sunday morning, then a cold front will cross 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>065-131500-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 am edt sat jun 13 2026

.today...west winds 15 to 20 knots becoming southwest 10 to
15 knots. waves 1 to 3 feet. 
.tonight...southwest winds 10 to 15 knots becoming south. waves
1 to 2 feet. 
.sunday...south winds 5 to 10 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 2 feet building to
3 to 5 feet. 
.monday...west winds 15 to 20 knots becoming southwest 5 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.tuesday...southwest winds 5 to 15 knots becoming south. waves
2 feet or less. 
.wednesday...south winds 15 to 20 knots. a chance of showers
during the day, then showers likely wednesday night. waves 1 to
3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 130741
glfle 
expires:202606131415;;662797

open lake forecast for lake erie
national weather service cleveland oh
341 am edt sat jun 13 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 maintain influence over the
region today. a cold front will move east across lake erie on
sunday, followed by a ridge averaging 30.00 inches monday into
tuesday. low pressure 29.40 inches will approach the upper great
lakes on wednesday.


lez162>166-131415-
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-
341 am edt sat jun 13 2026

.today...southwest winds 5 to 10 knots. waves 2 feet or less. 
.tonight...south winds 5 to 15 knots becoming southwest. a slight
chance of showers and thunderstorms late. waves 1 to 3 feet. 
.sunday...southwest winds 10 to 15 knots becoming northwest 15 to
20 knots. a chance of showers and thunderstorms in the morning,
then showers likely 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. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.monday...west 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 and thunderstorms tuesday night.
waves 1 to 3 feet building to 3 to 5 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 6 feet building to 4 to 7 feet. waves occasionally around
9 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 130741
glfle 
expires:202606131415;;662798

open lake forecast for lake erie
national weather service cleveland oh
341 am edt sat jun 13 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 maintain influence over the
region today. a cold front will move east across lake erie on
sunday, followed by a ridge averaging 30.00 inches monday into
tuesday. low pressure 29.40 inches will approach the upper great
lakes on wednesday.


lez061-167>169-131415-
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-
341 am edt sat jun 13 2026

.today...southwest winds 5 to 10 knots. waves 1 to 3 feet. 
.tonight...southwest winds 5 to 15 knots. waves 1 to 3 feet. 
.sunday...southwest winds 10 to 15 knots becoming northwest.
showers with a chance of thunderstorms. waves 1 to 3 feet. 
.sunday night...northwest winds 10 to 15 knots. waves 2 to
3 feet. 
.monday...west winds 5 to 15 knots becoming southwest. waves 1 to
3 feet. 
.tuesday...southwest winds 10 to 15 knots becoming south 15 to
20 knots. a chance of showers tuesday night. waves 1 to 3 feet
building to 3 to 5 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 6 feet building to 4 to 7 feet. waves occasionally around
9 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 130748
glfsc 
expires:202606131600;;662977

lake st clair forecast
national weather service detroit/pontiac mi
348 am edt sat jun 13 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.


lcz460-131600-
lake st clair-
348 am edt sat jun 13 2026

.today...southwest winds 5 to 10 knots increasing to 15 to 20 knots.
sunny. waves 2 feet or less.
.tonight...southwest winds 15 to 20 knots diminishing to 10 to 15
knots in the late evening and overnight. partly cloudy ...then
mostly cloudy with a chance of light showers early in the morning.
waves 1 to 3 feet.
.sunday...west winds 5 to 10 knots becoming north 10 to 15 knots in
the late morning and afternoon. showers likely early in the
morning...then showers and a chance of thunderstorms in the late
morning and early afternoon. waves 2 feet or less.
.sunday night...northwest winds 10 to 15 knots. mostly clear. waves
2 feet or less.
.monday...west winds 10 to 15 knots. sunny in the morning becoming
mostly clear. waves 2 feet or less.
.tuesday...southwest winds 10 to 15 knots. partly cloudy. a chance
of showers and thunderstorms. 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 130747
glflh 
expires:202606131600;;662974

open lake forecast for lake huron
national weather service detroit/pontiac mi
347 am edt sat jun 13 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>464-131600-
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-
347 am edt sat jun 13 2026

.today...southwest winds 10 to 15 knots becoming south 15 to
20 knots late in the afternoon. waves 1 to 3 feet building to
3 to 5 feet in the afternoon. 
.tonight...southwest winds 10 to 15 knots. 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. showers likely in the
morning...then a chance of showers in the afternoon. waves 1 to
3 feet. 
.sunday night...north winds 5 to 10 knots backing to the
northwest by midnight...then becoming west 10 to 15 knots after
midnight. waves 1 to 3 feet. 
.monday...west winds 10 to 15 knots decreasing to 5 to 10 knots
late in the morning...then becoming south 10 to 15 knots late in
the afternoon becoming southwest 5 to 10 knots late in the
evening. waves 1 to 3 feet. 
.tuesday...south winds 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 until early evening...then becoming southeast 10 to
15 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 kdtx 130747
glflh 
expires:202606131600;;662973

open lake forecast for lake huron
national weather service detroit/pontiac mi
347 am edt sat jun 13 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.


lhz362-363-131600-
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-
347 am edt sat jun 13 2026

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


$$

fzus63 kdtx 130747
glflh 
expires:202606131600;;662972

open lake forecast for lake huron
national weather service detroit/pontiac mi
347 am edt sat jun 13 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.


lhz361-131600-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
347 am edt sat jun 13 2026

.today...southwest winds 15 to 20 knots. a chance of showers.
waves 3 to 5 feet. 
.tonight...west winds 10 to 15 knots becoming northwest 5 to
10 knots by midnight...then backing to the west early in the
morning. waves 2 to 4 feet subsiding to 1 to 3 feet after
midnight. 
.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...west winds 15 to 20 knots decreasing to 10 to
15 knots in the late evening and overnight. waves 3 to 5 feet
subsiding to 2 to 4 feet after midnight. 
.monday...west winds 10 to 15 knots becoming southwest 5 to
10 knots late in the evening. waves 1 to 3 feet building to 2 to
4 feet late in the morning...then subsiding to 1 to 3 feet late
in the evening. 
.tuesday...southwest winds 5 to 10 knots backing to the south. a 
chance of showers. waves 1 to 3 feet. 
.wednesday...southwest winds 5 to 10 knots becoming northeast
10 to 15 knots by midnight. a chance of showers early in the
morning. a chance of showers early in the evening...then showers
likely by midnight. waves 1 to 3 feet building to 2 to 4 feet by
midnight. 


$$

fzus63 kmkx 130751
glflm 
expires:202606131515;;663034

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
251 am cdt sat jun 13 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 area will 
continue to bring modest to breezy southwest winds to lake 
michigan today. a cold front will then move north to south across
the lake this evening into tonight, with winds become 
northwesterly. 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 higher later wednesday into wednesday night as 
low pressure moves through the area. a few gales are possible. 
winds then shift to the northwest as low pressure exits on 
thursday.


lmz261-362-364-366-563-565-567-868-131515-
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-
251 am cdt sat jun 13 2026

sheboygan wi to pentwater mi north...

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

$$

fzus63 kmkx 130751
glflm 
expires:202606131515;;663035

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
251 am cdt sat jun 13 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 area will 
continue to bring modest to breezy southwest winds to lake 
michigan today. a cold front will then move north to south across
the lake this evening into tonight, with winds become 
northwesterly. 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 higher later wednesday into wednesday night as 
low pressure moves through the area. a few gales are possible. 
winds then shift to the northwest as low pressure exits on 
thursday.


lmz080-669-671-673-675-777-779-870-872-874-876-878-131515-
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-
251 am cdt sat jun 13 2026

sheboygan wi to pentwater mi south...

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

$$

fzus63 kmqt 130801
glfls 
expires:202606132000;;663214

open lake forecast for lake superior
national weather service marquette mi
400 am edt sat jun 13 2026

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

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

.synopsis... 

a 29.6 inch trough will move through lake superior through this 
afternoon, followed by a 29.7 inch trough sunday afternoon and 
evening. weak ridging of 29.7 inches follows into monday, but 
another 29.7 inch trough moves through the lake late monday into 
tuesday. troughing of around 29.6 inches returns by late tuesday 
before a low of 29.4 inches moves through the great lakes region 
wedneday night and thursday. 




lsz264-132000-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
400 am edt sat jun 13 2026

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

$$

fzus63 kmqt 130801
glfls 
expires:202606132000;;663215

open lake forecast for lake superior
national weather service marquette mi
400 am edt sat jun 13 2026

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

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

.synopsis... 

a 29.6 inch trough will move through lake superior through this 
afternoon, followed by a 29.7 inch trough sunday afternoon and 
evening. weak ridging of 29.7 inches follows into monday, but 
another 29.7 inch trough moves through the lake late monday into 
tuesday. troughing of around 29.6 inches returns by late tuesday 
before a low of 29.4 inches moves through the great lakes region 
wedneday night and thursday. 




lsz265-132000-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
400 am edt sat jun 13 2026

.early this morning...southwest winds 15 to 25 knots. a slight
chance of showers. waves 1 to 3 feet. 
.today...west winds 20 to 30 knots. waves building to 2 to
4 feet. 
.tonight...west winds 20 to 30 knots diminishing to 15 to
25 knots after midnight. waves subsiding to 1 to 3 feet. 
.sunday...west winds 15 to 25 knots increasing to 20 to 30 knots
in the afternoon. waves building to 2 to 4 feet. 
.sunday night...west winds 10 to 20 knots increasing to 15 to
25 knots after midnight. 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 veering west after
midnight. waves calm to 2 feet. 
.tuesday...east winds 10 to 20 knots veering southwest. waves
calm to 2 feet. 
.wednesday...east winds 10 to 20 knots. a chance of showers.
waves building to 1 to 3 feet. 

$$

fzus63 kmqt 130801
glfls 
expires:202606132000;;663212

open lake forecast for lake superior
national weather service marquette mi
400 am edt sat jun 13 2026

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

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

.synopsis... 

a 29.6 inch trough will move through lake superior through this 
afternoon, followed by a 29.7 inch trough sunday afternoon and 
evening. weak ridging of 29.7 inches follows into monday, but 
another 29.7 inch trough moves through the lake late monday into 
tuesday. troughing of around 29.6 inches returns by late tuesday 
before a low of 29.4 inches moves through the great lakes region 
wedneday night and thursday. 




lsz162-132000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 am edt sat jun 13 2026 /300 am cdt sat jun 13 2026/

.early this morning...southwest winds 15 to 25 knots. waves 2 to
4 feet. 
.today...west winds 20 to 30 knots diminishing to 15 to 25 knots
in the afternoon. a slight chance of showers through early
afternoon. waves subsiding to 1 to 3 feet. 
.tonight...west winds 10 to 20 knots increasing to 15 to 25 knots
after midnight. waves subsiding to calm to 2 feet. 
.sunday...west winds 15 to 25 knots. waves 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. waves building to 1 to
3 feet. 
.monday night...west winds 10 to 20 knots diminishing to 5 to
15 knots 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 backing northeast. a chance
of showers. waves calm to 2 feet. 

$$

fzus63 kmqt 130801
glfls 
expires:202606132000;;663217

open lake forecast for lake superior
national weather service marquette mi
400 am edt sat jun 13 2026

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

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

.synopsis... 

a 29.6 inch trough will move through lake superior through this 
afternoon, followed by a 29.7 inch trough sunday afternoon and 
evening. weak ridging of 29.7 inches follows into monday, but 
another 29.7 inch trough moves through the lake late monday into 
tuesday. troughing of around 29.6 inches returns by late tuesday 
before a low of 29.4 inches moves through the great lakes region 
wedneday night and thursday. 




lsz267-132000-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
400 am edt sat jun 13 2026

.early this morning...southwest winds 15 to 25 knots. a slight
chance of showers. waves 2 to 4 feet. 
.today...southwest winds 15 to 25 knots veering west in the
afternoon. a slight chance of showers. waves 2 to 4 feet. 
.tonight...west winds 10 to 20 knots. waves 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. 
.monday night...southwest winds 5 to 15 knots increasing to 10 to
20 knots after midnight. waves calm to 2 feet. 
.tuesday...southwest winds 5 to 15 knots backing south. a chance
of rain showers. waves calm to 2 feet. 
.wednesday...west winds 5 to 15 knots backing east. a chance of
rain showers. waves building to 1 to 3 feet. 

$$

fzus63 kmqt 130801
glfls 
expires:202606132000;;663216

open lake forecast for lake superior
national weather service marquette mi
400 am edt sat jun 13 2026

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

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

.synopsis... 

a 29.6 inch trough will move through lake superior through this 
afternoon, followed by a 29.7 inch trough sunday afternoon and 
evening. weak ridging of 29.7 inches follows into monday, but 
another 29.7 inch trough moves through the lake late monday into 
tuesday. troughing of around 29.6 inches returns by late tuesday 
before a low of 29.4 inches moves through the great lakes region 
wedneday night and thursday. 




lsz266-132000-
lake superior east of a line from manitou island to marquette mi
and west of a line from grand marais mi to the us/canadian border
beyond 5nm from shore-
400 am edt sat jun 13 2026

.early this morning...southwest winds 15 to 25 knots. a slight
chance of showers. waves 3 to 5 feet occasionally to 7 feet. 
.today...southwest winds 15 to 25 knots becoming west 20 to
30 knots in the afternoon. a slight chance of showers through
early afternoon. waves 3 to 5 feet occasionally to 7 feet. 
.tonight...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 5 to 15 knots increasing to 10 to
20 knots after midnight. waves subsiding to calm to 2 feet. 
.tuesday...southwest winds 5 to 15 knots. waves calm to 2 feet. 
.wednesday...east winds 5 to 15 knots increasing to 10 to
20 knots. a chance of rain showers. waves building to 1 to
3 feet. 

$$

fzus63 kmqt 130801
glfls 
expires:202606132000;;663213

open lake forecast for lake superior
national weather service marquette mi
400 am edt sat jun 13 2026

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

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

.synopsis... 

a 29.6 inch trough will move through lake superior through this 
afternoon, followed by a 29.7 inch trough sunday afternoon and 
evening. weak ridging of 29.7 inches follows into monday, but 
another 29.7 inch trough moves through the lake late monday into 
tuesday. troughing of around 29.6 inches returns by late tuesday 
before a low of 29.4 inches moves through the great lakes region 
wedneday night and thursday. 




lsz263-132000-
lake superior from saxon harbor wi to upper entrance to portage
canal mi 5nm off shore to the us/canadian border including isle
royale national park-
400 am edt sat jun 13 2026

.early this morning...southwest winds 20 to 30 knots. waves 3 to
5 feet occasionally to 7 feet. 
.today...west winds 20 to 30 knots diminishing to 15 to 25 knots
late. a chance of showers through early afternoon. waves building
to 3 to 6 feet occasionally to 8 feet, then subsiding to 2 to
4 feet. 
.tonight...west winds 15 to 25 knots diminishing to 10 to
20 knots after midnight. waves 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. waves subsiding to
calm to 2 feet, then building to 1 to 3 feet. 
.monday...west winds 10 to 20 knots. waves building to 2 to
4 feet, then subsiding 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 backing southwest. waves calm
to 2 feet. 
.wednesday...east winds 5 to 15 knots backing northeast. a chance
of showers. waves calm to 2 feet. 

$$