fzus61 kbuf 052002
glflo 
expires:202607060300;;472064

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt sun jul 5 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 30.2 inch surface will build southward across 
western quebec tonight, reaching northern new england tomorrow, then 
sliding east of the canadian maritimes by tuesday. meanwhile, a weak 
29.9 inch low over ohio this evening will move to the mid atlantic 
by late monday. a broad 30.1 inch high is then forecast to build 
across the great lakes tuesday through wednesday, then drift off the 
east coast thursday. a weak cold front will cross the lake thursday 
night before another 30.1 inch surface high pressure builds across 
the eastern great lakes region friday and saturday.


loz063>065-060300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 pm edt sun jul 5 2026

.tonight...northeast winds 5 to 15 knots. waves 1 to 3 feet. 
.monday...northeast winds 5 to 15 knots becoming east. a chance
of showers from late morning on. waves 2 feet or less. 
.monday night...east winds 10 to 15 knots. a chance of showers.
waves 1 to 3 feet. 
.tuesday...east winds 5 to 15 knots. a chance of showers in the
morning. waves 2 feet or less. 
.tuesday night...southeast winds 5 to 10 knots becoming south.
waves 1 foot or less. 
.wednesday...south winds 10 knots or less becoming southwest.
waves 1 foot or less. 
.thursday...southwest winds 5 to 10 knots becoming west. a chance
of showers during the day, then showers likely thursday night.
waves 1 foot or less. 
.friday...north winds 5 to 10 knots. showers likely during the
day. waves 1 foot or less. 

$$

fzus61 kbuf 052002
glflo 
expires:202607060300;;472063

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt sun jul 5 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 30.2 inch surface will build southward across 
western quebec tonight, reaching northern new england tomorrow, then 
sliding east of the canadian maritimes by tuesday. meanwhile, a weak 
29.9 inch low over ohio this evening will move to the mid atlantic 
by late monday. a broad 30.1 inch high is then forecast to build 
across the great lakes tuesday through wednesday, then drift off the 
east coast thursday. a weak cold front will cross the lake thursday 
night before another 30.1 inch surface high pressure builds across 
the eastern great lakes region friday and saturday.


loz062-060300-
lake ontario open waters from the niagara river to hamlin beach-
402 pm edt sun jul 5 2026

.tonight...northeast winds 5 to 15 knots. waves 1 to 2 feet. 
.monday...northeast winds 10 to 15 knots becoming east 15 to
20 knots. a chance of showers from late morning on. waves 2 to
3 feet. 
.monday night...east winds 15 to 20 knots diminishing to 10 to
15 knots. waves 2 to 3 feet. 
.tuesday...east winds 10 to 15 knots. waves 1 to 3 feet. 
.tuesday night...east winds 10 knots or less becoming south.
waves 2 feet or less. 
.wednesday...southwest winds 10 knots or less. waves 1 foot or
less. 
.thursday...southwest winds 5 to 15 knots becoming west. a chance
of showers during the day, then showers likely thursday night.
waves 1 to 2 feet. 
.friday...north winds 10 knots or less. a chance of showers.
waves 1 foot or less. 

$$

fzus63 kdtx 051949
glflh 
expires:202607060400;;471574

open lake forecast for lake huron
national weather service detroit/pontiac mi
349 pm edt sun jul 5 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...northeast flow holds today along with additional
chances for some shower and thunderstorms. high pressure, 30.10
inches, will build in tomorrow and tuesday, bringing dry weather
and light winds.


lhz362-363-060400-
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-
349 pm edt sun jul 5 2026

.tonight...north winds 5 to 10 knots. patchy fog in the evening.
areas of fog after midnight. waves 2 to 4 feet subsiding to 1 to
3 feet in the late evening and overnight. 
.monday...north winds 5 to 10 knots. waves 1 to 3 feet. 
.monday night...north winds 5 to 10 knots  becoming light and
variable. waves 2 feet or less. 
.tuesday...light and variable winds. waves 2 feet or less. 
.tuesday night...light and variable winds. waves 2 feet or less. 
.wednesday...light and variable winds becoming south 5 to
10 knots. a chance of showers late in the afternoon. waves 2 feet
or less. 
.thursday...southwest winds 5 to 10 knots. a chance of showers.
waves 1 to 3 feet. 
.friday...north winds 5 to 10 knots. waves 2 feet or less. 


$$

fzus63 kdtx 051949
glflh 
expires:202607060400;;471575

open lake forecast for lake huron
national weather service detroit/pontiac mi
349 pm edt sun jul 5 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...northeast flow holds today along with additional
chances for some shower and thunderstorms. high pressure, 30.10
inches, will build in tomorrow and tuesday, bringing dry weather
and light winds.


lhz462>464-060400-
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-
349 pm edt sun jul 5 2026

.tonight...northeast winds 10 to 15 knots decreasing to 5 to
10 knots after midnight. scattered showers in the evening. areas
of fog. waves 2 to 4 feet subsiding to 1 to 3 feet after
midnight. 
.monday...northeast winds 5 to 10 knots becoming north 10 to
15 knots in the afternoon. areas of fog in the morning. waves
1 to 3 feet. 
.monday night...north winds 10 to 15 knots becoming northeast
5 to 10 knots in the late evening and overnight. waves 1 to
3 feet. 
.tuesday...northeast winds 5 to 10 knots. waves 2 feet or less. 
.tuesday night...north winds 5 to 10 knots early in the evening
becoming light and variable. waves 2 feet or less. 
.wednesday...light and variable winds becoming south 5 to
10 knots. a chance of showers late in the evening. waves 2 feet
or less. 
.thursday...southwest winds 5 to 10 knots. a chance of showers
early in the morning. rain showers likely in the late morning and
early afternoon...then a chance of showers . waves 2 feet or
less. 
.friday...north winds 5 to 10 knots increasing to 10 to 15 knots
early in the evening...then decreasing to 5 to 10 knots by
midnight. waves 1 to 3 feet. 


$$

fzus63 kdtx 051949
glfsc 
expires:202607060400;;471579

lake st clair forecast
national weather service detroit/pontiac mi
349 pm edt sun jul 5 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...northeast flow holds today along with additional
chances for some shower and thunderstorms. high pressure, 30.10
inches, will build in tomorrow and tuesday, bringing dry weather
and light winds.


lcz460-060400-
lake st clair-
349 pm edt sun jul 5 2026

.tonight...northeast winds 10 to 15 knots. mostly cloudy. areas of
fog. scattered thunderstorms early in the evening. numerous showers
in the evening...then scattered light showers after midnight. waves
2 feet or less.
.monday...northeast winds 10 to 15 knots. partly sunny. scattered
light showers early in the morning. areas of fog early in the
morning. waves 2 feet or less.
.monday night...northeast winds 10 to 15 knots diminishing to 5 to
10 knots after midnight. mostly clear. waves 2 feet or less.
.tuesday...northeast winds 5 to 10 knots. mostly sunny. waves 2 feet
or less.
.tuesday night...northeast winds 5 to 10 knots becoming light and
variable. clear. waves 2 feet or less.
.wednesday...light and variable winds becoming south 5 to 10 knots
in the afternoon and evening. sunny becoming mostly clear. waves 2
feet or less.
.thursday...northwest winds 10 to 15 knots. partly cloudy. showers
likely and a chance of thunderstorms. waves 2 feet or less.
.friday...northeast winds 10 to 15 knots. partly cloudy. showers
likely. waves 2 feet or less.

$$

fzus63 kdtx 051949
glflh 
expires:202607060400;;471573

open lake forecast for lake huron
national weather service detroit/pontiac mi
349 pm edt sun jul 5 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...northeast flow holds today along with additional
chances for some shower and thunderstorms. high pressure, 30.10
inches, will build in tomorrow and tuesday, bringing dry weather
and light winds.


lhz361-060400-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
349 pm edt sun jul 5 2026

.tonight...light and variable winds. waves 2 feet or less. 
.monday...northeast winds 5 to 10 knots in the morning becoming
light and variable. waves 2 feet or less. 
.monday night...light and variable winds. waves 2 feet or less. 
.tuesday...light and variable winds. waves 2 feet or less. 
.tuesday night...light and variable winds becoming southwest 5 to
10 knots after midnight. waves 2 feet or less. 
.wednesday...light and variable winds becoming southwest 5 to
10 knots late in the morning...then becoming light and variable
late in the afternoon becoming southwest 5 to 10 knots late in
the evening. scattered showers late in the morning. rain showers
likely late in the afternoon. waves 2 feet or less. 
.thursday...west winds 5 to 10 knots. showers likely early in the
morning...then a chance of showers and thunderstorms until early
evening. waves 2 feet or less. 
.friday...northeast winds 5 to 10 knots veering to the east early
in the evening...then backing to the north by midnight. waves
2 feet or less. 


$$

fzus63 kmkx 052000
glflm 
expires:202607060315;;471940

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
300 pm cdt sun jul 5 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 30.2 inches will remain in place over the 
upper great lakes through tuesday. expect steady north to 
northeast winds through monday and light and variable winds
tuesday. southwest winds will increase wednesday as a cold front 
approaches from the northern plains. winds will become northerly
behind the front thursday afternoon and night. 


lmz080-669-671-673-675-777-779-870-872-874-876-878-060315-
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-
300 pm cdt sun jul 5 2026

sheboygan wi to pentwater mi south...

.tonight...north winds 15 to 25 kt becoming northeast 10 to
15 kt. waves 3 to 5 ft. 
.monday...northeast winds 10 to 15 kt becoming north 15 to 25 kt.
waves 2 to 4 ft. 
.monday night...north winds 10 to 20 kt diminishing to 5 to
10 kt. waves 2 to 4 ft subsiding to 1 to 3 ft. 
.tuesday...north winds 5 to 10 kt increasing to 10 to 15 kt.
waves 1 to 2 ft. 
.tuesday night...west winds 10 to 15 kt becoming southwest. waves
1 ft or less. 
.wednesday...southwest winds 10 to 15 kt becoming south 10 to
20 kt. waves 1 to 3 ft. 
.wednesday night...south winds 10 to 20 kt becoming southwest.
chance of showers. waves 2 to 4 ft. 
.thursday...west winds 10 to 20 kt becoming northwest. chance of
showers. waves 2 to 4 ft. 
.friday...northeast winds 10 to 20 kt becoming north 15 to 25 kt.
waves 2 to 4 ft.  

$$

fzus63 kmkx 052000
glflm 
expires:202607060315;;471939

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
300 pm cdt sun jul 5 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 30.2 inches will remain in place over the 
upper great lakes through tuesday. expect steady north to 
northeast winds through monday and light and variable winds
tuesday. southwest winds will increase wednesday as a cold front 
approaches from the northern plains. winds will become northerly
behind the front thursday afternoon and night. 


lmz261-362-364-366-563-565-567-868-060315-
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-
300 pm cdt sun jul 5 2026

sheboygan wi to pentwater mi north...

.tonight...northeast winds 15 to 25 kt diminishing to 5 to 10 kt.
waves 2 to 4 ft subsiding to 1 to 3 ft. 
.monday...northeast winds 5 to 10 kt becoming north 15 to 25 kt.
waves 2 to 4 ft. 
.monday night...north winds 10 to 20 kt becoming northeast 10 to
15 kt late in the evening, then diminishing to 5 to 10 kt after
midnight backing to northwest late. waves 2 to 4 ft subsiding to
1 to 2 ft. 
.tuesday...southwest winds 10 to 15 kt. waves 1 to 2 ft. 
.tuesday night...southwest winds 10 to 15 kt diminishing to 5 to
10 kt. waves 1 to 2 ft. 
.wednesday...southwest winds 10 to 15 kt increasing to 10 to
20 kt. chance of showers. waves 1 to 2 ft building to 1 to 3 ft. 
.wednesday night...southwest winds 10 to 20 kt becoming west.
showers likely. waves 2 to 4 ft. 
.thursday...north winds 10 to 20 kt. chance of showers. waves
2 to 4 ft. 
.friday...northeast winds 10 to 20 kt increasing to 15 to 25 kt.
waves 1 to 3 ft.  

$$

fzus63 kmqt 052001
glfls 
expires:202607060800;;471976

open lake forecast for lake superior
national weather service marquette mi
401 pm edt sun jul 5 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 30.2 inch high over the hudson bay will push southeast into quebec 
through monday morning, extending a 30.1 inch ridge over lake 
superior. meanwhile, low pressure will move from northern 
saskatchewan to hudson bay, deepening to 29.5 inches as it reaches 
hudson bay on tuesday morning. as the low departs the hudson bay, 
moving east, it will extend a 29.8 inch trough over lake superior on 
wednesday. thereafter high pressure at 29.9 inches builds over the 
upper great lakes for thursday and friday.




lsz162-060800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
401 pm edt sun jul 5 2026 /301 pm cdt sun jul 5 2026/

.late this afternoon...northeast winds 5 to 15 knots. waves calm
to 2 feet. 
.tonight...northeast winds 5 to 15 knots diminishing to less than
10 knots after midnight. waves calm to 2 feet. 
.monday...northeast winds less than 10 knots becoming east 5 to
15 knots in the afternoon. waves calm to 2 feet. 
.monday night...north winds less than 10 knots becoming southwest
5 to 15 knots late. a chance of showers and a slight chance of
thunderstorms after midnight. waves calm to 2 feet. 
.tuesday...southwest winds 5 to 15 knots. a chance of showers. a
slight chance of thunderstorms by mid afternoon. waves calm to
2 feet. 
.tuesday night...west winds 5 to 15 knots. a chance of showers
through midnight. showers likely after midnight. waves calm to
2 feet. 
.wednesday...northeast winds 5 to 15 knots. showers likely
through early afternoon. a chance of showers by mid afternoon.
waves calm to 2 feet. 
.wednesday night...north winds 5 to 15 knots. a chance of
showers. waves calm to 2 feet. 
.thursday...northeast winds 5 to 15 knots becoming north less
than 10 knots. waves calm to 2 feet. 
.friday...east winds 5 to 15 knots backing north. waves calm to
2 feet. 

$$

fzus63 kmqt 052001
glfls 
expires:202607060800;;471977

open lake forecast for lake superior
national weather service marquette mi
401 pm edt sun jul 5 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 30.2 inch high over the hudson bay will push southeast into quebec 
through monday morning, extending a 30.1 inch ridge over lake 
superior. meanwhile, low pressure will move from northern 
saskatchewan to hudson bay, deepening to 29.5 inches as it reaches 
hudson bay on tuesday morning. as the low departs the hudson bay, 
moving east, it will extend a 29.8 inch trough over lake superior on 
wednesday. thereafter high pressure at 29.9 inches builds over the 
upper great lakes for thursday and friday.




lsz263-060800-
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-
401 pm edt sun jul 5 2026

.late this afternoon...northeast winds 5 to 15 knots. waves calm
to 2 feet. 
.tonight...northeast winds 5 to 15 knots veering east after
midnight, then diminishing to less than 10 knots late. waves calm
to 2 feet. 
.monday...east winds less than 10 knots. waves calm to 2 feet. 
.monday night...east winds 5 to 15 knots veering southwest after
midnight. a slight chance of showers after midnight. waves calm
to 2 feet. 
.tuesday...southwest winds 5 to 15 knots. a chance of showers. a
slight chance of thunderstorms by mid afternoon. waves calm to
2 feet. 
.tuesday night...southwest winds 5 to 15 knots diminishing to
less than 10 knots after midnight. showers likely after midnight.
waves calm to 2 feet. 
.wednesday...northeast winds less than 10 knots increasing to
5 to 15 knots by mid afternoon. showers likely through early
afternoon. a chance of showers by mid afternoon. waves calm to
2 feet. 
.wednesday night...north winds 5 to 15 knots. a chance of
showers. waves calm to 2 feet. 
.thursday...northeast winds 5 to 15 knots becoming south less
than 10 knots. waves calm to 2 feet. 
.friday...southeast winds 5 to 15 knots veering southwest. waves
calm to 2 feet. 

$$

fzus63 kmqt 052001
glfls 
expires:202607060800;;471978

open lake forecast for lake superior
national weather service marquette mi
401 pm edt sun jul 5 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 30.2 inch high over the hudson bay will push southeast into quebec 
through monday morning, extending a 30.1 inch ridge over lake 
superior. meanwhile, low pressure will move from northern 
saskatchewan to hudson bay, deepening to 29.5 inches as it reaches 
hudson bay on tuesday morning. as the low departs the hudson bay, 
moving east, it will extend a 29.8 inch trough over lake superior on 
wednesday. thereafter high pressure at 29.9 inches builds over the 
upper great lakes for thursday and friday.




lsz264-060800-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
401 pm edt sun jul 5 2026

.late this afternoon...east winds 5 to 15 knots. waves calm to
2 feet. 
.tonight...east winds 5 to 15 knots diminishing to less than
10 knots after midnight, then veering southeast late. waves calm
to 2 feet. 
.monday...east winds less than 10 knots increasing to 5 to
15 knots in the afternoon, then veering southeast late. waves
calm to 2 feet. 
.monday night...southeast winds 5 to 15 knots veering southwest
late. waves calm to 2 feet. 
.tuesday...southwest winds 5 to 15 knots. waves calm to 2 feet. 
.tuesday night...southwest winds 5 to 15 knots becoming west less
than 10 knots after midnight. a chance of showers. waves calm to
2 feet. 
.wednesday...northeast winds less than 10 knots veering east by
mid afternoon. showers likely. waves calm to 2 feet. 
.wednesday night...west winds less than 10 knots becoming north
5 to 15 knots after midnight. a chance of showers. waves calm to
2 feet. 
.thursday...north winds 5 to 15 knots backing west. waves calm to
2 feet. 
.friday...southeast winds less than 10 knots veering south. waves
calm to 2 feet. 

$$

fzus63 kmqt 052001
glfls 
expires:202607060800;;471979

open lake forecast for lake superior
national weather service marquette mi
401 pm edt sun jul 5 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 30.2 inch high over the hudson bay will push southeast into quebec 
through monday morning, extending a 30.1 inch ridge over lake 
superior. meanwhile, low pressure will move from northern 
saskatchewan to hudson bay, deepening to 29.5 inches as it reaches 
hudson bay on tuesday morning. as the low departs the hudson bay, 
moving east, it will extend a 29.8 inch trough over lake superior on 
wednesday. thereafter high pressure at 29.9 inches builds over the 
upper great lakes for thursday and friday.




lsz265-060800-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
401 pm edt sun jul 5 2026

.late this afternoon...northeast winds 5 to 15 knots. waves calm
to 2 feet. 
.tonight...northeast winds 5 to 15 knots veering southeast late.
waves calm to 2 feet. 
.monday...east winds 5 to 15 knots increasing to 10 to 20 knots
late. waves calm to 2 feet. 
.monday night...southeast winds 5 to 15 knots veering south after
midnight, then becoming southwest 10 to 20 knots late. waves calm
to 2 feet. 
.tuesday...southwest winds 5 to 15 knots backing east by mid
afternoon. a slight chance of showers. a slight chance of
thunderstorms by mid afternoon. waves calm to 2 feet. 
.tuesday night...southeast winds 5 to 15 knots veering south
after midnight. a chance of showers. waves calm to 2 feet. 
.wednesday...east winds 5 to 15 knots backing northeast by mid
afternoon. showers likely and a chance of thunderstorms. waves
calm to 2 feet. 
.wednesday night...north winds 5 to 15 knots increasing to 10 to
20 knots after midnight. a chance of showers. waves calm to
2 feet. 
.thursday...north winds 5 to 15 knots backing northwest. waves
calm to 2 feet. 
.friday...east winds 5 to 15 knots veering south. waves calm to
2 feet. 

$$

fzus63 kmqt 052001
glfls 
expires:202607060800;;471980

open lake forecast for lake superior
national weather service marquette mi
401 pm edt sun jul 5 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 30.2 inch high over the hudson bay will push southeast into quebec 
through monday morning, extending a 30.1 inch ridge over lake 
superior. meanwhile, low pressure will move from northern 
saskatchewan to hudson bay, deepening to 29.5 inches as it reaches 
hudson bay on tuesday morning. as the low departs the hudson bay, 
moving east, it will extend a 29.8 inch trough over lake superior on 
wednesday. thereafter high pressure at 29.9 inches builds over the 
upper great lakes for thursday and friday.




lsz266-060800-
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-
401 pm edt sun jul 5 2026

.late this afternoon...northeast winds 5 to 15 knots. waves calm
to 2 feet. 
.tonight...north winds 5 to 15 knots diminishing to less than
10 knots after midnight, then backing northwest late. waves calm
to 2 feet. 
.monday...north winds less than 10 knots becoming east 5 to
15 knots in the afternoon. waves calm to 2 feet. 
.monday night...southeast winds 5 to 15 knots becoming south
10 to 20 knots after midnight. waves calm to 2 feet. 
.tuesday...southwest winds 5 to 15 knots backing east by mid
afternoon. a slight chance of showers. a slight chance of
thunderstorms by mid afternoon. waves calm to 2 feet. 
.tuesday night...south winds 5 to 15 knots backing southeast
after midnight. a chance of showers. waves calm to 2 feet. 
.wednesday...southeast winds 5 to 15 knots backing north by mid
afternoon. showers likely and a chance of thunderstorms. waves
calm to 2 feet. 
.wednesday night...north winds 5 to 15 knots increasing to 10 to
20 knots after midnight. a chance of showers. waves calm to
2 feet. 
.thursday...north winds 10 to 20 knots diminishing to 5 to
15 knots. waves calm to 2 feet. 
.friday...east winds 5 to 15 knots veering south. waves calm to
2 feet. 

$$

fzus63 kmqt 052001
glfls 
expires:202607060800;;471981

open lake forecast for lake superior
national weather service marquette mi
401 pm edt sun jul 5 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 30.2 inch high over the hudson bay will push southeast into quebec 
through monday morning, extending a 30.1 inch ridge over lake 
superior. meanwhile, low pressure will move from northern 
saskatchewan to hudson bay, deepening to 29.5 inches as it reaches 
hudson bay on tuesday morning. as the low departs the hudson bay, 
moving east, it will extend a 29.8 inch trough over lake superior on 
wednesday. thereafter high pressure at 29.9 inches builds over the 
upper great lakes for thursday and friday.




lsz267-060800-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
401 pm edt sun jul 5 2026

.late this afternoon...north winds 5 to 15 knots. waves calm to
2 feet. 
.tonight...north winds 5 to 15 knots backing west late. waves
calm to 2 feet. 
.monday...west winds less than 10 knots veering north late. waves
calm to 2 feet. 
.monday night...southeast winds 5 to 15 knots veering south after
midnight. waves calm to 2 feet. 
.tuesday...south winds 5 to 15 knots backing northeast by mid
afternoon. waves calm to 2 feet. 
.tuesday night...south winds 5 to 15 knots backing east after
midnight. a chance of showers after midnight. waves calm to
2 feet. 
.wednesday...southeast winds 5 to 15 knots backing north by mid
afternoon. showers likely and a chance of thunderstorms. waves
calm to 2 feet. 
.wednesday night...northwest winds 5 to 15 knots becoming north
10 to 20 knots after midnight. showers likely through midnight. a
chance of showers after midnight. waves calm to 2 feet. 
.thursday...northwest winds 10 to 20 knots diminishing to 5 to
15 knots. waves calm to 2 feet. 
.friday...northeast winds 5 to 15 knots veering south. waves calm
to 2 feet. 

$$