fzus61 kbuf 040203
glflo 
expires:202606040900;;143602

open lake forecast for lake ontario
national weather service buffalo ny
1003 pm edt wed jun 3 2026

for waters beyond five nautical miles of shore on lake ontario

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

.synopsis...a 30.4 inch high will expand to the ohio valley and 
eastern seaboard through thursday. this high will then drift off the 
southeast coast friday. a weak cold front will settle south across 
the lower great lakes saturday through saturday night. high pressure 
averaging 30.4 inches will build southeast into the region starting 
early monday and center near or just east of the lake through 
wednesday.


loz063>065-040900-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1003 pm edt wed jun 3 2026

.overnight...southwest winds 5 to 10 knots. waves 1 to
2 feet. 
.thursday...southwest winds 5 to 10 knots. waves 2 feet or less. 
.thursday night...southwest winds 5 to 10 knots. waves 2 feet or
less. 
.friday...southwest winds 5 to 15 knots. waves 2 feet or less. 
.friday night...southwest winds 10 to 15 knots. a chance of
showers overnight. waves 1 to 3 feet. 
.saturday...southwest winds 5 to 15 knots becoming northwest.
showers likely. waves 1 to 3 feet. 
.sunday...north winds 5 to 15 knots becoming east. a chance of
showers during the day. waves 2 feet or less. 
.monday...east winds 5 to 10 knots becoming southeast. waves
2 feet or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 040203
glflo 
expires:202606040900;;143601

open lake forecast for lake ontario
national weather service buffalo ny
1003 pm edt wed jun 3 2026

for waters beyond five nautical miles of shore on lake ontario

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

.synopsis...a 30.4 inch high will expand to the ohio valley and 
eastern seaboard through thursday. this high will then drift off the 
southeast coast friday. a weak cold front will settle south across 
the lower great lakes saturday through saturday night. high pressure 
averaging 30.4 inches will build southeast into the region starting 
early monday and center near or just east of the lake through 
wednesday.


loz062-040900-
lake ontario open waters from the niagara river to hamlin beach-
1003 pm edt wed jun 3 2026

.overnight...west winds 5 to 10 knots becoming southwest.
waves 1 foot or less. 
.thursday...southwest winds 5 to 15 knots. waves 2 feet or less. 
.thursday night...southwest winds 5 to 15 knots. waves 1 to
3 feet. 
.friday...southwest winds 5 to 15 knots increasing to 15 to
20 knots. waves 1 to 3 feet building to 2 to 4 feet. 
.friday night...southwest winds 15 to 20 knots. showers likely
overnight. waves 2 to 4 feet. 
.saturday...southwest winds 15 to 20 knots becoming northwest
5 to 15 knots. showers with a chance of thunderstorms. waves 1 to
3 feet. 
.sunday...north winds 5 to 10 knots becoming northeast. a chance
of showers during the day. waves 2 feet or less. 
.monday...east winds 5 to 15 knots. waves 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 040106
glfle 
expires:202606040815;;142165

open lake forecast for lake erie
national weather service cleveland oh
906 pm edt wed jun 3 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...
high pressure 30.30 inches over the great lakes will slowly sag
southeast through friday, weakening to 30.00 inches. low pressure
29.60 inches will move through the region on saturday and extend a
cold front across the lake on saturday night. high pressure 30.30
inches will build from the north for sunday into monday.


lez061-167>169-040815-
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-
906 pm edt wed jun 3 2026

.overnight...southwest winds 10 knots or less. waves 1 foot
or less. 
.thursday...southwest winds 5 to 10 knots. waves 1 foot or less. 
.thursday night...south winds 10 knots or less becoming
southwest. waves 2 feet or less. 
.friday...southwest winds 10 to 15 knots. waves 2 feet or less. 
.friday night...southwest winds 10 to 15 knots increasing to
15 to 20 knots. a chance of showers overnight. waves 1 to 3 feet
building to 2 to 4 feet. 
.saturday...southwest winds 15 to 20 knots becoming northwest
5 to 15 knots. showers with a chance of thunderstorms during the
day, then a chance of showers and thunderstorms saturday night.
waves 2 to 4 feet subsiding to 1 to 3 feet. 
.sunday...north winds 10 knots or less becoming northeast. waves
2 feet or less. 
.monday...east winds 10 to 15 knots. waves 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 040106
glfle 
expires:202606040815;;142163

open lake forecast for lake erie
national weather service cleveland oh
906 pm edt wed jun 3 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...
high pressure 30.30 inches over the great lakes will slowly sag
southeast through friday, weakening to 30.00 inches. low pressure
29.60 inches will move through the region on saturday and extend a
cold front across the lake on saturday night. high pressure 30.30
inches will build from the north for sunday into monday.


lez162-163-040815-
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-
906 pm edt wed jun 3 2026

.overnight...southeast winds 5 to 10 knots becoming
southwest. waves 1 foot or less. 
.thursday...southwest winds 10 knots or less becoming southeast.
waves 1 foot or less. 
.thursday night...south winds 5 to 10 knots becoming southwest.
waves 1 foot or less. 
.friday...southwest winds 10 to 15 knots increasing to 15 to
20 knots. waves 1 to 2 feet. 
.friday night...southwest winds 15 to 20 knots. a chance of
showers in the evening, then showers likely overnight. waves 1 to
3 feet. 
.saturday...southwest winds 15 to 20 knots becoming north 5 to
15 knots. showers with a chance of thunderstorms during the day,
then a chance of showers and thunderstorms saturday night. waves
1 to 3 feet subsiding to 1 foot or less. 
.sunday...northeast winds 5 to 10 knots becoming east. waves
2 feet or less. 
.monday...east winds 10 to 15 knots. waves 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 040106
glfle 
expires:202606040815;;142164

open lake forecast for lake erie
national weather service cleveland oh
906 pm edt wed jun 3 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...
high pressure 30.30 inches over the great lakes will slowly sag
southeast through friday, weakening to 30.00 inches. low pressure
29.60 inches will move through the region on saturday and extend a
cold front across the lake on saturday night. high pressure 30.30
inches will build from the north for sunday into monday.


lez164>166-040815-
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-
906 pm edt wed jun 3 2026

.overnight...south winds 10 knots or less. waves 1 foot or
less. 
.thursday...southwest winds 10 knots or less becoming south.
waves 1 foot or less. 
.thursday night...southeast winds 5 to 15 knots becoming
southwest. waves 2 feet or less. 
.friday...southwest winds 10 to 15 knots. waves 1 to 2 feet. 
.friday night...southwest winds 10 to 15 knots increasing to
15 to 20 knots. showers likely overnight. waves 2 to 4 feet. 
.saturday...southwest winds 15 to 20 knots becoming northwest
5 to 15 knots. showers with a chance of thunderstorms during the
day, then a chance of showers and thunderstorms saturday night.
waves 2 to 4 feet subsiding to 2 feet or less. 
.sunday...north winds 5 to 10 knots becoming east. waves 2 feet
or less. 
.monday...east winds 10 to 15 knots. waves 1 to 3 feet building
to 2 to 4 feet, then subsiding to 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 040150
glfsc 
expires:202606041000;;143390

lake st clair forecast
national weather service detroit/pontiac mi
950 pm edt wed jun 3 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, 30.20 inches, continues to influence
the region through thursday morning. weak plains low pressure,
29.80 inches, lifts into the great lakes friday and saturday
bringing moderate winds and chances for scattered thunderstorms.


lcz460-041000-
lake st clair-
950 pm edt wed jun 3 2026

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

$$

fzus63 kdtx 040148
glflh 
expires:202606041000;;143346

open lake forecast for lake huron
national weather service detroit/pontiac mi
948 pm edt wed jun 3 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, 30.20 inches, continues to influence
the region through thursday morning. weak plains low pressure,
29.80 inches, lifts into the great lakes friday and saturday
bringing moderate winds and chances for scattered thunderstorms.


lhz462>464-041000-
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-
948 pm edt wed jun 3 2026

.rest of tonight...south winds 5 to 10 knots. waves 2 feet or
less. 
.thursday...south winds 5 to 10 knots backing to the southeast
late in the afternoon. waves 2 feet or less. 
.thursday night...south winds 5 to 10 knots increasing to 10 to
15 knots after midnight. waves 1 to 3 feet. 
.friday...south winds 10 to 15 knots. a chance of showers and
thunderstorms in the afternoon. waves 1 to 3 feet. 
.friday night...southwest winds 5 to 10 knots increasing to 10 to
15 knots in the late evening and overnight. a chance of showers
and thunderstorms in the evening...then showers after midnight.
waves 1 to 3 feet. 
.saturday...southwest winds 5 to 10 knots veering to the
northwest late in the morning...then becoming light and variable
late in the afternoon. showers likely. a chance of thunderstorms
late in the morning. waves 2 feet or less. 
.sunday...north winds 5 to 10 knots veering to the northeast by
midnight. waves 2 feet or less. 
.monday...east winds 5 to 10 knots. waves 2 feet or less. 


$$

fzus63 kdtx 040148
glflh 
expires:202606041000;;143345

open lake forecast for lake huron
national weather service detroit/pontiac mi
948 pm edt wed jun 3 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, 30.20 inches, continues to influence
the region through thursday morning. weak plains low pressure,
29.80 inches, lifts into the great lakes friday and saturday
bringing moderate winds and chances for scattered thunderstorms.


lhz362-363-041000-
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-
948 pm edt wed jun 3 2026

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


$$

fzus63 kdtx 040148
glflh 
expires:202606041000;;143344

open lake forecast for lake huron
national weather service detroit/pontiac mi
948 pm edt wed jun 3 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, 30.20 inches, continues to influence
the region through thursday morning. weak plains low pressure,
29.80 inches, lifts into the great lakes friday and saturday
bringing moderate winds and chances for scattered thunderstorms.


lhz361-041000-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
948 pm edt wed jun 3 2026

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


$$

fzus63 kmkx 040208
glflm 
expires:202606040930;;143790

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
908 pm cdt wed jun 3 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...

high pressure around 30.4 inches will slowly progress
southeastward through tonight and thursday to settle over the
mid-atlantic thursday night. expect light and variable winds
tonight to shift to southwesterly and breezy into thursday.
thursday night, rounds of thunderstorms develop across the
northern half of the lake. modest southwest winds will continue
through friday, with additional rounds of rain and storms expected
through friday night. a final round of rain and storms will be 
followed by a wind shift to the northwest as a cold front moves
southward saturday morning from a parent low around 29.7 inches
lifting into northern ontario. high pressure around 30.1 inches 
will build back into the great lakes region sunday, bringing 
light and variable winds back to the lake. low pressure will
develop in the central plains again into monday, bringing
southeasterly winds back to lake michigan.


lmz261-362-364-366-563-565-567-868-040930-
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-
908 pm cdt wed jun 3 2026

sheboygan wi to pentwater mi north...

.rest of tonight...south winds 10 to 20 kt. waves 1 to 3 ft.
.thursday...south winds 10 to 20 kt increasing to 15 to 25 kt.
waves 2 to 4 ft building to 3 to 5 ft. 
.thursday night...south winds to 30 kt becoming southwest 10 to
20 kt. waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to
5 ft. 
.friday...southwest winds 15 to 25 kt becoming south. showers
likely. waves 3 to 5 ft. 
.friday night...southwest winds 10 to 20 kt diminishing to 10 to
15 kt. showers likely with a chance of thunderstorms in the
evening, then chance of showers overnight. waves 3 to 5 ft.
.saturday...north winds 10 to 15 kt. chance of showers. waves
1 to 3 ft. 
.saturday night...north winds 10 to 15 kt becoming northeast 5 to
10 kt. waves 1 ft or less. 
.sunday...northeast winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 2 ft. 
.monday...southeast winds 10 to 20 kt becoming northeast. waves
1 to 3 ft.  

$$

fzus63 kmkx 040208
glflm 
expires:202606040930;;143791

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
908 pm cdt wed jun 3 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...

high pressure around 30.4 inches will slowly progress
southeastward through tonight and thursday to settle over the
mid-atlantic thursday night. expect light and variable winds
tonight to shift to southwesterly and breezy into thursday.
thursday night, rounds of thunderstorms develop across the
northern half of the lake. modest southwest winds will continue
through friday, with additional rounds of rain and storms expected
through friday night. a final round of rain and storms will be 
followed by a wind shift to the northwest as a cold front moves
southward saturday morning from a parent low around 29.7 inches
lifting into northern ontario. high pressure around 30.1 inches 
will build back into the great lakes region sunday, bringing 
light and variable winds back to the lake. low pressure will
develop in the central plains again into monday, bringing
southeasterly winds back to lake michigan.


lmz080-669-671-673-675-777-779-870-872-874-876-878-040930-
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-
908 pm cdt wed jun 3 2026

sheboygan wi to pentwater mi south...

.rest of tonight...southeast winds 10 to 15 kt becoming south.
waves 1 to 3 ft. 
.thursday...south winds 10 to 15 kt increasing to 15 to 25 kt.
waves 2 to 4 ft building to 3 to 5 ft. 
.thursday night...south winds 10 to 20 kt. waves 3 to 5 ft
subsiding to 2 to 4 ft. 
.friday...south winds 15 to 25 kt. chance of showers in the
morning, then showers with a chance of thunderstorms in the
afternoon. waves 3 to 5 ft. 
.friday night...southwest winds 10 to 20 kt. showers with a
chance of thunderstorms in the evening, then showers likely with
a chance of thunderstorms overnight. waves 3 to 5 ft. 
.saturday...southwest winds 10 to 20 kt veering to northwest
10 to 15 kt. chance of showers. waves 2 to 4 ft. 
.saturday night...north winds 10 to 15 kt becoming northeast.
waves 1 to 2 ft. 
.sunday...northeast winds 5 to 10 kt increasing to 10 to 15 kt.
waves 1 to 2 ft. 
.monday...east winds 10 to 20 kt diminishing to 10 to 15 kt.
waves 2 to 4 ft.  

$$

fzus63 kmqt 040201
glfls 
expires:202606040800;;143509

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt wed jun 3 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... 

high pressure ridging over lake superior around 30.0 inches shifts 
southeast to the lower great lakes through thursday. meanwhile, a 
29.8 inch low approaches from the northwest, moving over lake 
superior on thursday. troughing persists over the lake through 
friday, deepening to near 29.7 inches. weak ridging of near 29.9 
inches returns saturday associated with a weak high of 30.0 inches 
over eastern hudson bay. sunday, the high builds to 30.1 inches over 
quebec while 29.4 inch low pressure spins over saskatchewan. monday, 
the nigh builds to 30.3 inches over the mouth of the st. lawrence 
river while a 29.6 inch low over northern manitoba extends troughing 
south over the great plains. 




lsz266-040800-
lake superior east of a line from manitou island to marquette mi
and west of a line from grand marais mi to the us/canadian border
beyond 5nm from shore-
1000 pm edt wed jun 3 2026

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

$$

fzus63 kmqt 040201
glfls 
expires:202606040800;;143510

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt wed jun 3 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... 

high pressure ridging over lake superior around 30.0 inches shifts 
southeast to the lower great lakes through thursday. meanwhile, a 
29.8 inch low approaches from the northwest, moving over lake 
superior on thursday. troughing persists over the lake through 
friday, deepening to near 29.7 inches. weak ridging of near 29.9 
inches returns saturday associated with a weak high of 30.0 inches 
over eastern hudson bay. sunday, the high builds to 30.1 inches over 
quebec while 29.4 inch low pressure spins over saskatchewan. monday, 
the nigh builds to 30.3 inches over the mouth of the st. lawrence 
river while a 29.6 inch low over northern manitoba extends troughing 
south over the great plains. 




lsz267-040800-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1000 pm edt wed jun 3 2026

.rest of tonight...south winds 10 to 20 knots veering southwest
late. waves calm to 2 feet building to 1 to 3 feet. 
.thursday...south winds 10 to 20 knots. a slight chance of
showers by mid afternoon. waves subsiding to calm to 2 feet, then
building to 1 to 3 feet. 
.thursday night...south winds 15 to 25 knots diminishing to 10 to
20 knots after midnight. a chance of showers and a slight chance
of thunderstorms. waves subsiding to calm to 2 feet. 
.friday...southwest winds 10 to 20 knots becoming west 5 to
15 knots by mid afternoon. a chance of showers. a slight chance
of thunderstorms by mid afternoon. waves calm to 2 feet. 
.friday night...northwest winds 5 to 15 knots veering north after
midnight. a chance of rain showers. waves calm to 2 feet. 
.saturday...north winds 5 to 15 knots becoming northwest 10 to
20 knots by mid afternoon. waves calm to 2 feet. 
.saturday night...northwest winds 5 to 15 knots veering northeast
after midnight. waves calm to 2 feet. 
.sunday...east winds 5 to 15 knots veering southeast. waves calm
to 2 feet. 
.monday...southeast winds 15 to 25 knots. waves building to 2 to
4 feet, then subsiding to 1 to 3 feet. 

$$

fzus63 kmqt 040201
glfls 
expires:202606040800;;143505

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt wed jun 3 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... 

high pressure ridging over lake superior around 30.0 inches shifts 
southeast to the lower great lakes through thursday. meanwhile, a 
29.8 inch low approaches from the northwest, moving over lake 
superior on thursday. troughing persists over the lake through 
friday, deepening to near 29.7 inches. weak ridging of near 29.9 
inches returns saturday associated with a weak high of 30.0 inches 
over eastern hudson bay. sunday, the high builds to 30.1 inches over 
quebec while 29.4 inch low pressure spins over saskatchewan. monday, 
the nigh builds to 30.3 inches over the mouth of the st. lawrence 
river while a 29.6 inch low over northern manitoba extends troughing 
south over the great plains. 




lsz162-040800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1000 pm edt wed jun 3 2026 /900 pm cdt wed jun 3 2026/

.rest of tonight...northeast winds 5 to 15 knots veering south
after midnight, then increasing to 10 to 20 knots late. a chance
of showers and a slight chance of thunderstorms after midnight.
waves calm to 2 feet. 
.thursday...south winds 5 to 15 knots veering southwest in the
afternoon. a chance of showers and a slight chance of
thunderstorms. waves calm to 2 feet. 
.thursday night...southwest winds 5 to 15 knots veering west
late. a slight chance of thunderstorms through midnight. a slight
chance of rain showers. waves calm to 2 feet. 
.friday...southwest winds 5 to 15 knots. a slight chance of
showers. a slight chance of thunderstorms by mid afternoon. waves
calm to 2 feet. 
.friday night...northeast winds 5 to 15 knots. waves calm to
2 feet. 
.saturday...northeast winds 5 to 15 knots. waves calm to 2 feet. 
.saturday night...northeast winds 5 to 15 knots. waves calm to
2 feet. 
.sunday...northeast winds 10 to 20 knots. waves building to 2 to
4 feet, then subsiding to calm to 2 feet. 
.monday...northeast winds 5 to 15 knots. a chance of showers.
waves calm to 2 feet. 

$$

fzus63 kmqt 040201
glfls 
expires:202606040800;;143507

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt wed jun 3 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... 

high pressure ridging over lake superior around 30.0 inches shifts 
southeast to the lower great lakes through thursday. meanwhile, a 
29.8 inch low approaches from the northwest, moving over lake 
superior on thursday. troughing persists over the lake through 
friday, deepening to near 29.7 inches. weak ridging of near 29.9 
inches returns saturday associated with a weak high of 30.0 inches 
over eastern hudson bay. sunday, the high builds to 30.1 inches over 
quebec while 29.4 inch low pressure spins over saskatchewan. monday, 
the nigh builds to 30.3 inches over the mouth of the st. lawrence 
river while a 29.6 inch low over northern manitoba extends troughing 
south over the great plains. 




lsz264-040800-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1000 pm edt wed jun 3 2026

.rest of tonight...south winds 5 to 15 knots veering southwest
late. waves calm to 2 feet. 
.thursday...southwest winds 5 to 15 knots backing south in the
afternoon. a chance of showers. waves calm to 2 feet. 
.thursday night...south winds 5 to 15 knots veering west late. a
slight chance of thunderstorms through midnight. a slight chance
of rain showers. waves calm to 2 feet. 
.friday...west winds 5 to 15 knots diminishing to less than
10 knots by mid afternoon. a slight chance of rain showers by mid
afternoon. waves calm to 2 feet. 
.friday night...northeast winds less than 10 knots. waves calm to
2 feet. 
.saturday...northeast winds less than 10 knots backing north by
mid afternoon. waves calm to 2 feet. 
.saturday night...north winds less than 10 knots veering east
after midnight. waves calm to 2 feet. 
.sunday...east winds 5 to 15 knots becoming southeast 10 to
20 knots. waves calm to 2 feet. 
.monday...southeast winds 10 to 20 knots veering south. waves
building to 2 to 4 feet. 

$$

fzus63 kmqt 040201
glfls 
expires:202606040800;;143506

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt wed jun 3 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... 

high pressure ridging over lake superior around 30.0 inches shifts 
southeast to the lower great lakes through thursday. meanwhile, a 
29.8 inch low approaches from the northwest, moving over lake 
superior on thursday. troughing persists over the lake through 
friday, deepening to near 29.7 inches. weak ridging of near 29.9 
inches returns saturday associated with a weak high of 30.0 inches 
over eastern hudson bay. sunday, the high builds to 30.1 inches over 
quebec while 29.4 inch low pressure spins over saskatchewan. monday, 
the nigh builds to 30.3 inches over the mouth of the st. lawrence 
river while a 29.6 inch low over northern manitoba extends troughing 
south over the great plains. 




lsz263-040800-
lake superior from saxon harbor wi to upper entrance to portage
canal mi 5nm off shore to the us/canadian border including isle
royale national park-
1000 pm edt wed jun 3 2026

.rest of tonight...south winds 5 to 15 knots increasing to 10 to
20 knots after midnight. a slight chance of showers after
midnight. waves calm to 2 feet. 
.thursday...south winds 5 to 15 knots veering southwest in the
afternoon, then backing south late. a chance of showers and a
slight chance of thunderstorms. waves calm to 2 feet. 
.thursday night...southwest winds 5 to 15 knots veering west
late. a slight chance of thunderstorms through midnight. a slight
chance of rain showers. waves calm to 2 feet. 
.friday...west winds 5 to 15 knots backing south by mid
afternoon. a slight chance of rain showers. waves calm to 2 feet.
.friday night...northeast winds 5 to 15 knots. a slight chance of
rain showers through midnight. waves calm to 2 feet. 
.saturday...northeast winds less than 10 knots. waves calm to
2 feet. 
.saturday night...northeast winds less than 10 knots becoming
east 5 to 15 knots after midnight. waves calm to 2 feet. 
.sunday...east winds 10 to 20 knots veering southeast. waves
building to 2 to 4 feet, then subsiding to calm to 2 feet. 
.monday...east winds 5 to 15 knots veering southeast. a chance of
showers. waves building to 2 to 4 feet, then subsiding to 1 to
3 feet. 

$$

fzus63 kmqt 040201
glfls 
expires:202606040800;;143508

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt wed jun 3 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... 

high pressure ridging over lake superior around 30.0 inches shifts 
southeast to the lower great lakes through thursday. meanwhile, a 
29.8 inch low approaches from the northwest, moving over lake 
superior on thursday. troughing persists over the lake through 
friday, deepening to near 29.7 inches. weak ridging of near 29.9 
inches returns saturday associated with a weak high of 30.0 inches 
over eastern hudson bay. sunday, the high builds to 30.1 inches over 
quebec while 29.4 inch low pressure spins over saskatchewan. monday, 
the nigh builds to 30.3 inches over the mouth of the st. lawrence 
river while a 29.6 inch low over northern manitoba extends troughing 
south over the great plains. 




lsz265-040800-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1000 pm edt wed jun 3 2026

.rest of tonight...south winds 5 to 15 knots veering southwest
after midnight, then increasing to 10 to 20 knots late. waves
calm to 2 feet. 
.thursday...south winds 10 to 20 knots becoming southeast 5 to
15 knots late. a slight chance of showers. a slight chance of
thunderstorms by mid afternoon. waves calm to 2 feet. 
.thursday night...south winds 10 to 20 knots veering southwest
after midnight. a chance of thunderstorms through midnight. a
chance of showers. waves calm to 2 feet. 
.friday...northwest winds 5 to 15 knots veering north by mid
afternoon. a chance of showers. a slight chance of thunderstorms
by mid afternoon. waves calm to 2 feet. 
.friday night...northeast winds 5 to 15 knots backing north after
midnight. a slight chance of rain showers. waves calm to 2 feet. 
.saturday...north winds 5 to 15 knots. waves calm to 2 feet. 
.saturday night...east winds 5 to 15 knots. waves calm to 2 feet.
.sunday...east winds 10 to 20 knots veering southeast. waves calm
to 2 feet. 
.monday...southeast winds 15 to 25 knots. waves building to 3 to
5 feet occasionally to 7 feet, then subsiding to 1 to 3 feet. 

$$