fzus63 kdtx 060103
glflh 
expires:202606060915;;248985

open lake forecast for lake huron
national weather service detroit/pontiac mi
903 pm edt fri jun 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...a weak surface low, 29.70 inches, tracks across
northern lake huron tonight, followed by a cold front saturday.
this leads to periods of showers and thunderstorms through
saturday afternoon. high pressure returns sunday and monday.


lhz361-060915-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
903 pm edt fri jun 5 2026

.rest of tonight...light and variable winds. patchy fog.
scattered showers after midnight. waves 2 feet or less. 
.saturday...west winds 5 to 10 knots increasing to 10 to 15 knots
in the afternoon. scattered showers in the morning. patchy fog in
the morning. waves 1 to 3 feet. 
.saturday night...northwest winds 10 to 15 knots decreasing to
5 to 10 knots after midnight. waves 2 to 4 feet subsiding to 1 to
3 feet after midnight. 
.sunday...north winds 5 to 10 knots early in the morning becoming
light and variable. waves 2 feet or less. 
.sunday night...southeast winds 5 to 10 knots. waves 2 feet or
less. 
.monday...east winds 5 to 10 knots increasing to 10 to 15 knots
late in the morning...then increasing to 15 to 20 knots late in
the afternoon becoming southeast 10 to 15 knots late in the
evening. waves 1 to 3 feet building to 3 to 5 feet. 
.tuesday...east winds 10 to 15 knots decreasing to 5 to 10 knots
by midnight. a chance of showers. waves 1 to 3 feet building to
2 to 4 feet until early evening...then subsiding to 1 to 3 feet
by midnight. 
.wednesday...east winds 5 to 10 knots. a chance of showers early
in the morning. waves 2 feet or less. 


$$

fzus63 kdtx 060103
glflh 
expires:202606060915;;248986

open lake forecast for lake huron
national weather service detroit/pontiac mi
903 pm edt fri jun 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...a weak surface low, 29.70 inches, tracks across
northern lake huron tonight, followed by a cold front saturday.
this leads to periods of showers and thunderstorms through
saturday afternoon. high pressure returns sunday and monday.


lhz362-363-060915-
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-
903 pm edt fri jun 5 2026

.rest of tonight...south winds 10 to 15 knots decreasing to 5 to
10 knots after midnight. scattered showers. patchy fog. waves
1 to 3 feet. 
.saturday...southwest winds 5 to 10 knots. patchy fog in the
morning. waves 1 to 3 feet. 
.saturday night...west winds 5 to 10 knots becoming northwest
10 to 15 knots by midnight...then decreasing to 5 to 10 knots
after midnight. waves 2 to 4 feet. 
.sunday...north winds 5 to 10 knots early in the morning becoming
light and variable. waves 1 to 3 feet. 
.sunday night...light and variable winds. waves 2 feet or less. 
.monday...east winds 5 to 10 knots becoming southeast 10 to
15 knots late in the afternoon. waves 2 feet or less. 
.tuesday...southeast winds 10 to 15 knots decreasing to 5 to
10 knots . a chance of showers . waves 1 to 3 feet. 
.wednesday...east winds 5 to 10 knots veering to the southeast by
midnight. a chance of showers early in the morning. waves 2 feet
or less. 


$$

fzus63 kdtx 060103
glflh 
expires:202606060915;;248987

open lake forecast for lake huron
national weather service detroit/pontiac mi
903 pm edt fri jun 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...a weak surface low, 29.70 inches, tracks across
northern lake huron tonight, followed by a cold front saturday.
this leads to periods of showers and thunderstorms through
saturday afternoon. high pressure returns sunday and monday.


lhz462>464-060915-
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-
903 pm edt fri jun 5 2026

.rest of tonight...south winds 10 to 15 knots. numerous showers
and a chance of thunderstorms this evening...then scattered
showers after midnight. patchy fog. waves 1 to 3 feet. 
.saturday...west winds 5 to 10 knots. patchy fog in the morning.
scattered showers. waves 1 to 3 feet. 
.saturday night...light and variable winds becoming northwest
5 to 10 knots after midnight. scattered showers in the evening.
waves 2 feet or less. 
.sunday...north winds 5 to 10 knots. waves 1 to 3 feet. 
.sunday night...north winds 5 to 10 knots veering to the east
after midnight. waves 2 feet or less. 
.monday...southeast winds 5 to 10 knots. waves 2 feet or less. 
.tuesday...southeast winds 10 to 15 knots decreasing to 5 to
10 knots. a chance of showers and thunderstorms . waves 1 to
3 feet. 
.wednesday...south winds 5 to 10 knots. a chance of showers until
afternoon. waves 2 feet or less. 


$$

fzus63 kmkx 060145
glflm 
expires:202606060915;;250243

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
845 pm cdt fri jun 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...

broad low pressure of 29.6 inches will move from lake superior
into eastern ontario tonight, bringing a cold front through lake
michigan late tonight. southerly winds this evening will allow for
continued warm air over cold waters and dense marine fog over the
northern half of the lake tonight into saturday morning. the cold
front from the low pressure will produce storms across the open
waters tonight into early saturday morning. an isolated waterspout
is possible along the western open waters early tonight. winds
will shift northwesterly behind the cold front, but will remain
light. fog will gradually lift through the afternoon hours
saturday, but may return saturday night. high pressure around 
30.0 inches builds across the region sunday, bringing lighter and
variable winds through the day. low pressure develops in the great
plains monday, bringing south-southeasterly winds through at 
least midweek. additional chances for thunderstorms develop monday
and tuesday.


lmz261-362-364-366-563-565-567-868-060915-
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-
845 pm cdt fri jun 5 2026

sheboygan wi to pentwater mi north...

...dense fog advisory in effect until 1 pm cdt saturday...

.rest of tonight...southwest winds 10 to 15 kt becoming west 5 to
10 kt. areas of dense fog. chance of showers and thunderstorms
through early evening, then chance of thunderstorms and slight
chance of showers overnight. waves 2 to 4 ft subsiding to 1 to
3 ft. 
.saturday...west winds 5 to 10 kt becoming southwest 10 to 15 kt.
areas of dense fog in the morning, then patchy fog in the
afternoon. waves 1 to 3 ft. 
.saturday night...north winds 10 to 15 kt becoming northeast.
patchy fog in the evening. waves 1 to 2 ft. 
.sunday...northeast winds 5 to 10 kt increasing to 10 to 20 kt in
the afternoon. waves 1 to 2 ft. 
.sunday night...east winds 10 to 20 kt becoming southeast. waves
1 to 2 ft building to 2 to 4 ft. 
.monday...southeast winds 10 to 20 kt becoming east. waves 2 to
4 ft. 
.monday night...east winds 10 to 20 kt becoming southeast. chance
of showers. waves 2 to 4 ft. 
.tuesday...southeast winds 10 to 20 kt. chance of showers. waves
2 to 4 ft. 
.wednesday...southeast winds 10 to 15 kt becoming south 10 to
20 kt. waves 1 to 2 ft building to 1 to 3 ft.  

$$

fzus63 kmkx 060145
glflm 
expires:202606060915;;250244

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
845 pm cdt fri jun 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...

broad low pressure of 29.6 inches will move from lake superior
into eastern ontario tonight, bringing a cold front through lake
michigan late tonight. southerly winds this evening will allow for
continued warm air over cold waters and dense marine fog over the
northern half of the lake tonight into saturday morning. the cold
front from the low pressure will produce storms across the open
waters tonight into early saturday morning. an isolated waterspout
is possible along the western open waters early tonight. winds
will shift northwesterly behind the cold front, but will remain
light. fog will gradually lift through the afternoon hours
saturday, but may return saturday night. high pressure around 
30.0 inches builds across the region sunday, bringing lighter and
variable winds through the day. low pressure develops in the great
plains monday, bringing south-southeasterly winds through at 
least midweek. additional chances for thunderstorms develop monday
and tuesday.


lmz080-669-671-673-675-777-779-870-872-874-876-878-060915-
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-
845 pm cdt fri jun 5 2026

sheboygan wi to pentwater mi south...

.rest of tonight...south winds 10 to 20 kt becoming southwest.
patchy fog. chance of showers and thunderstorms through early
evening, then chance of showers and slight chance of
thunderstorms overnight. waves 2 to 4 ft. 
.saturday...west winds 10 to 15 kt veering to northeast. patchy
fog in the morning. chance of showers and slight chance of
thunderstorms in the morning. waves 1 to 3 ft subsiding to 1 to
2 ft. 
.saturday night...east winds 5 to 10 kt becoming northeast. waves
1 ft or less. 
.sunday...northeast winds 5 to 10 kt increasing to 10 to 15 kt.
waves 1 to 2 ft. 
.sunday night...northeast winds 10 to 15 kt becoming southeast
10 to 20 kt. waves 1 to 2 ft building to 2 to 4 ft. 
.monday...southeast winds 10 to 20 kt. chance of showers in the
afternoon. waves 2 to 4 ft. 
.monday night...southeast winds 10 to 20 kt. showers likely with
a chance of thunderstorms. waves 2 to 4 ft. 
.tuesday...south winds 10 to 20 kt diminishing to 10 to 15 kt.
chance of showers. waves 2 to 4 ft. 
.wednesday...south winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 2 ft building to 1 to 3 ft.  

$$

fzus63 kmqt 060201
glfls 
expires:202606060800;;250473

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt fri jun 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 29.7 inch low over northern ontario is extending 29.7 inch 
troughing over the lake this evening. the low moves slowly east into 
northern quebec at 29.6 inches by early saturday morning before 
tracking southeastwards towards the st. lawrence seaway throughout 
the rest of the day. meanwhile, weak 29.9 inch ridging moves over 
lake superior saturday afternoon as a 29.3 inch low pressure forms 
over the northern rockies. ridging over lake superior builds to 30.1 
inches by sunday as the low stretches into the northern plains. by 
monday afternoon, expect lake superior to be between a 29.8 inch 
trough over minnesota and 30.2 inch high pressure over new england. 
the troughing weakens to 29.9 inches before moving over lake 
superior on tuesday. pressure continues to fall over lake superior 
through wednesday as a colorado low lifts through the northern 
plains towards lake winnipeg, strengthening to 29.6 inches by 
wednesday night as the low deepens to 29.2 inches.




lsz162-060800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1000 pm edt fri jun 5 2026 /900 pm cdt fri jun 5 2026/

.rest of tonight...west winds 5 to 15 knots. a slight chance of
rain showers by midnight. patchy fog. waves calm to 2 feet. 
.saturday...west winds 5 to 15 knots backing southwest in the
afternoon, then backing east late. patchy fog through early
afternoon. 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 increasing to 15 to
25 knots by mid afternoon. waves building to 2 to 4 feet. 
.sunday night...northeast winds 10 to 20 knots. waves subsiding
to 1 to 3 feet. 
.monday...northeast winds 10 to 20 knots. a chance of showers
through early afternoon. a chance of thunderstorms. showers by
mid afternoon. waves subsiding to calm to 2 feet. 
.monday night...northeast winds 5 to 15 knots. showers likely
through midnight. a chance of thunderstorms. a chance of showers
after midnight. waves calm to 2 feet. 
.tuesday...northeast winds 5 to 15 knots veering east. waves calm
to 2 feet. 
.wednesday...northeast winds 10 to 20 knots. a chance of showers.
waves building to 1 to 3 feet, then subsiding to calm to 2 feet. 

$$

fzus63 kmqt 060201
glfls 
expires:202606060800;;250474

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt fri jun 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 29.7 inch low over northern ontario is extending 29.7 inch 
troughing over the lake this evening. the low moves slowly east into 
northern quebec at 29.6 inches by early saturday morning before 
tracking southeastwards towards the st. lawrence seaway throughout 
the rest of the day. meanwhile, weak 29.9 inch ridging moves over 
lake superior saturday afternoon as a 29.3 inch low pressure forms 
over the northern rockies. ridging over lake superior builds to 30.1 
inches by sunday as the low stretches into the northern plains. by 
monday afternoon, expect lake superior to be between a 29.8 inch 
trough over minnesota and 30.2 inch high pressure over new england. 
the troughing weakens to 29.9 inches before moving over lake 
superior on tuesday. pressure continues to fall over lake superior 
through wednesday as a colorado low lifts through the northern 
plains towards lake winnipeg, strengthening to 29.6 inches by 
wednesday night as the low deepens to 29.2 inches.




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-
1000 pm edt fri jun 5 2026

...dense fog advisory in effect until 11 am edt saturday...

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

$$

fzus63 kmqt 060201
glfls 
expires:202606060800;;250475

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt fri jun 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 29.7 inch low over northern ontario is extending 29.7 inch 
troughing over the lake this evening. the low moves slowly east into 
northern quebec at 29.6 inches by early saturday morning before 
tracking southeastwards towards the st. lawrence seaway throughout 
the rest of the day. meanwhile, weak 29.9 inch ridging moves over 
lake superior saturday afternoon as a 29.3 inch low pressure forms 
over the northern rockies. ridging over lake superior builds to 30.1 
inches by sunday as the low stretches into the northern plains. by 
monday afternoon, expect lake superior to be between a 29.8 inch 
trough over minnesota and 30.2 inch high pressure over new england. 
the troughing weakens to 29.9 inches before moving over lake 
superior on tuesday. pressure continues to fall over lake superior 
through wednesday as a colorado low lifts through the northern 
plains towards lake winnipeg, strengthening to 29.6 inches by 
wednesday night as the low deepens to 29.2 inches.




lsz264-060800-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1000 pm edt fri jun 5 2026

...dense fog advisory in effect until 11 am edt saturday...

.rest of tonight...southwest winds less than 10 knots becoming
west 5 to 15 knots after midnight, then becoming northwest less
than 10 knots late. a slight chance of showers and thunderstorms
by midnight. areas of dense fog. waves calm to 2 feet. 
.saturday...northwest winds 5 to 15 knots backing west in the
afternoon. areas of dense fog through early afternoon, then
patchy fog by mid afternoon. waves calm to 2 feet. 
.saturday night...west winds less than 10 knots backing east
after midnight. waves calm to 2 feet. 
.sunday...east winds 5 to 15 knots. waves calm to 2 feet. 
.sunday night...southeast winds 10 to 20 knots diminishing to
5 to 15 knots after midnight. waves building to 1 to 3 feet, then
subsiding to calm to 2 feet. 
.monday...southeast winds 10 to 20 knots. waves building to 2 to
4 feet. 
.monday night...southeast winds 10 to 20 knots diminishing to
5 to 15 knots after midnight. a chance of showers through
midnight. showers likely after midnight. waves 2 to 4 feet. 
.tuesday...southeast winds 5 to 15 knots diminishing to less than
10 knots. waves subsiding to calm to 2 feet. 
.wednesday...southeast winds 5 to 15 knots. a chance of showers.
waves building to 2 to 4 feet. 

$$

fzus63 kmqt 060201
glfls 
expires:202606060800;;250476

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt fri jun 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 29.7 inch low over northern ontario is extending 29.7 inch 
troughing over the lake this evening. the low moves slowly east into 
northern quebec at 29.6 inches by early saturday morning before 
tracking southeastwards towards the st. lawrence seaway throughout 
the rest of the day. meanwhile, weak 29.9 inch ridging moves over 
lake superior saturday afternoon as a 29.3 inch low pressure forms 
over the northern rockies. ridging over lake superior builds to 30.1 
inches by sunday as the low stretches into the northern plains. by 
monday afternoon, expect lake superior to be between a 29.8 inch 
trough over minnesota and 30.2 inch high pressure over new england. 
the troughing weakens to 29.9 inches before moving over lake 
superior on tuesday. pressure continues to fall over lake superior 
through wednesday as a colorado low lifts through the northern 
plains towards lake winnipeg, strengthening to 29.6 inches by 
wednesday night as the low deepens to 29.2 inches.




lsz265-060800-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1000 pm edt fri jun 5 2026

...dense fog advisory in effect until 11 am edt saturday...

.rest of tonight...south winds 5 to 15 knots veering west after
midnight. areas of dense fog. a slight chance of thunderstorms by
midnight. a slight chance of showers. waves calm to 2 feet. 
.saturday...northwest winds 5 to 15 knots veering north late.
patchy fog through early afternoon. waves calm to 2 feet. 
.saturday night...northwest winds less than 10 knots veering east
after midnight, then increasing to 5 to 15 knots late. waves calm
to 2 feet. 
.sunday...east winds 5 to 15 knots increasing to 10 to 20 knots
by mid afternoon. waves building to 1 to 3 feet. 
.sunday night...southeast winds 10 to 20 knots. waves subsiding
to calm to 2 feet. 
.monday...southeast winds 15 to 25 knots increasing to 20 to
30 knots by mid afternoon. waves building to 3 to 5 feet
occasionally to 7 feet. 
.monday night...southeast winds 15 to 25 knots diminishing to
10 to 20 knots after midnight. a chance of showers through
midnight. showers likely after midnight. waves subsiding to 1 to
3 feet. 
.tuesday...southeast winds 5 to 15 knots. a chance of showers.
waves subsiding to calm to 2 feet. 
.wednesday...southeast winds 10 to 20 knots increasing to 15 to
25 knots. waves building to 2 to 4 feet, then subsiding to 1 to
3 feet. 

$$

fzus63 kmqt 060201
glfls 
expires:202606060800;;250477

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt fri jun 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 29.7 inch low over northern ontario is extending 29.7 inch 
troughing over the lake this evening. the low moves slowly east into 
northern quebec at 29.6 inches by early saturday morning before 
tracking southeastwards towards the st. lawrence seaway throughout 
the rest of the day. meanwhile, weak 29.9 inch ridging moves over 
lake superior saturday afternoon as a 29.3 inch low pressure forms 
over the northern rockies. ridging over lake superior builds to 30.1 
inches by sunday as the low stretches into the northern plains. by 
monday afternoon, expect lake superior to be between a 29.8 inch 
trough over minnesota and 30.2 inch high pressure over new england. 
the troughing weakens to 29.9 inches before moving over lake 
superior on tuesday. pressure continues to fall over lake superior 
through wednesday as a colorado low lifts through the northern 
plains towards lake winnipeg, strengthening to 29.6 inches by 
wednesday night as the low deepens to 29.2 inches.




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-
1000 pm edt fri jun 5 2026

...dense fog advisory in effect until 11 am edt saturday...

.rest of tonight...southwest winds 5 to 15 knots veering
northwest late. areas of dense fog. a slight chance of
thunderstorms by midnight. a slight chance of rain showers. waves
calm to 2 feet. 
.saturday...northwest winds 5 to 15 knots increasing to 10 to
20 knots in the afternoon, then diminishing to 5 to 15 knots
late. patchy fog. waves calm to 2 feet. 
.saturday night...northwest winds 5 to 15 knots veering north
after midnight, then veering east late. waves calm to 2 feet. 
.sunday...east winds 5 to 15 knots. waves calm to 2 feet. 
.sunday night...southeast winds 10 to 20 knots. waves calm to
2 feet. 
.monday...southeast winds 15 to 25 knots. waves building to 2 to
4 feet. 
.monday night...southeast winds 15 to 25 knots diminishing to
10 to 20 knots after midnight. a chance of showers. waves 2 to
4 feet. 
.tuesday...southeast winds 5 to 15 knots. a chance of showers.
waves subsiding to calm to 2 feet. 
.wednesday...southeast winds 10 to 20 knots becoming south 15 to
25 knots. waves building to 2 to 4 feet. 

$$

fzus63 kmqt 060201
glfls 
expires:202606060800;;250478

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt fri jun 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 29.7 inch low over northern ontario is extending 29.7 inch 
troughing over the lake this evening. the low moves slowly east into 
northern quebec at 29.6 inches by early saturday morning before 
tracking southeastwards towards the st. lawrence seaway throughout 
the rest of the day. meanwhile, weak 29.9 inch ridging moves over 
lake superior saturday afternoon as a 29.3 inch low pressure forms 
over the northern rockies. ridging over lake superior builds to 30.1 
inches by sunday as the low stretches into the northern plains. by 
monday afternoon, expect lake superior to be between a 29.8 inch 
trough over minnesota and 30.2 inch high pressure over new england. 
the troughing weakens to 29.9 inches before moving over lake 
superior on tuesday. pressure continues to fall over lake superior 
through wednesday as a colorado low lifts through the northern 
plains towards lake winnipeg, strengthening to 29.6 inches by 
wednesday night as the low deepens to 29.2 inches.




lsz267-060800-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1000 pm edt fri jun 5 2026

...dense fog advisory in effect until 11 am edt saturday...

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

$$