fzus63 kdtx 081942
glflh 
expires:202605090345;;234004

open lake forecast for lake huron
national weather service detroit/pontiac mi
342 pm edt fri may 8 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...light southerly winds today organize and increase out
of the southwest early saturday morning. a low pressure system,
29.50 inches, tracking along lake superior tonight will drive a
cold front through the area saturday evening bringing shower and
thunderstorm chances to the great lakes. high pressure returns on
sunday.


lhz361-362-090345-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
342 pm edt fri may 8 2026

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


$$

fzus63 kdtx 081942
glflh 
expires:202605090345;;234005

open lake forecast for lake huron
national weather service detroit/pontiac mi
342 pm edt fri may 8 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...light southerly winds today organize and increase out
of the southwest early saturday morning. a low pressure system,
29.50 inches, tracking along lake superior tonight will drive a
cold front through the area saturday evening bringing shower and
thunderstorm chances to the great lakes. high pressure returns on
sunday.


lhz363-462>464-090345-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
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-
342 pm edt fri may 8 2026

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


$$

fzus63 kmkx 081940
glflm 
expires:202605090315;;233890

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
240 pm cdt fri may 8 2026

for waters beyond five nautical miles of shore on lake michigan.

waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the wave, along with the
average height of the highest 10% of the waves which will
occasionally be encountered.

.synopsis...

low pressure around 29.6 inches along the minnesota and canadian
border will move across lake superior tonight. its cold front will
move across lake michigan saturday morning. modest to breezy 
south winds will develop this afternoon before shifting southwest
late tonight, and west on saturday with the cold frontal passage.
another cold front will then shift the winds to northerly saturday
night. high pressure around 30.3 inches is then expected to move 
from southern manitoba on sunday to over lake michigan by monday 
afternoon. relatively light and variable winds are expected early
next week. 


lmz261-362-364-366-563-565-567-868-090315-
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-
240 pm cdt fri may 8 2026

sheboygan wi to pentwater mi north...

.tonight...south winds 15 to 25 kt becoming southwest. slight
chance of rain showers. waves 3 to 5 ft. 
.saturday...west winds 10 to 20 kt becoming northwest. slight
chance of rain showers in the afternoon. waves 3 to 5 ft
subsiding to 1 to 3 ft. 
.saturday night...north winds 10 to 20 kt becoming west 10 to
15 kt. waves 1 to 3 ft subsiding to 1 to 2 ft. 
.sunday...west winds 10 to 20 kt becoming northwest. waves 1 to
3 ft. 
.sunday night...north winds 10 to 20 kt diminishing to 10 to
15 kt. waves 1 to 2 ft. 
.monday...northwest winds 10 to 15 kt backing to southwest. waves
1 to 2 ft. 
.monday night...south winds 10 to 15 kt becoming southeast. waves
1 ft or less. 
.tuesday...south winds 15 to 25 kt becoming southeast to 30 kt.
chance of rain showers. waves 3 to 5 ft building to 5 to 8 ft
occasionally to 10 ft. 
.wednesday...north winds 10 to 20 kt increasing to 15 to 25 kt.
waves 3 to 5 ft.  

$$

fzus63 kmkx 081940
glflm 
expires:202605090315;;233891

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
240 pm cdt fri may 8 2026

for waters beyond five nautical miles of shore on lake michigan.

waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the wave, along with the
average height of the highest 10% of the waves which will
occasionally be encountered.

.synopsis...

low pressure around 29.6 inches along the minnesota and canadian
border will move across lake superior tonight. its cold front will
move across lake michigan saturday morning. modest to breezy 
south winds will develop this afternoon before shifting southwest
late tonight, and west on saturday with the cold frontal passage.
another cold front will then shift the winds to northerly saturday
night. high pressure around 30.3 inches is then expected to move 
from southern manitoba on sunday to over lake michigan by monday 
afternoon. relatively light and variable winds are expected early
next week. 


lmz080-669-671-673-675-777-779-870-872-874-876-878-090315-
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-
240 pm cdt fri may 8 2026

sheboygan wi to pentwater mi south...

.tonight...south winds 15 to 25 kt becoming southwest. waves 3 to
5 ft. 
.saturday...southwest winds 10 to 20 kt becoming west. slight
chance of rain showers in the afternoon. waves 2 to 4 ft
subsiding to 1 to 3 ft. 
.saturday night...northwest winds 10 to 15 kt becoming north 5 to
10 kt. waves 1 to 3 ft. 
.sunday...north winds 10 to 15 kt becoming northeast. waves 1 to
2 ft. 
.sunday night...north winds 5 to 10 kt becoming northeast. waves
1 to 2 ft. 
.monday...northeast winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 3 ft. 
.monday night...east winds 10 to 15 kt becoming southeast. waves
1 to 2 ft. 
.tuesday...south winds 15 to 25 kt increasing to 30 kt. rain
showers likely. waves 3 to 5 ft building to 5 to 8 ft
occasionally to 10 ft. 
.wednesday...north winds 15 to 25 kt increasing to 30 kt. waves
4 to 6 ft occasionally to 8 ft.  

$$

fzus63 kmqt 082002
glfls 
expires:202605090800;;234496

open lake forecast for lake superior
national weather service marquette mi
401 pm edt fri may 8 2026

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

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

.synopsis... 

troughing of 29.6 inches over lake superior this afternoon deepens 
to 29.5 inches by this evening as a 29.4 inch low remains over 
hudson bay. the trough pushes east into quebec by saturday afternoon 
as 30.3 inch high pressure builds over the canadian prairie this 
weekend. the high shifts east to the great lakes at 30.3 inches by 
sunday night. ridging persists at around 30.2 inches over lake 
superior through monday, followed by a 29.7 inch trough on tuesday 
as high pressure weakens and shifts to the east coast.



lsz162-090800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
401 pm edt fri may 8 2026 /301 pm cdt fri may 8 2026/

.late this afternoon...south winds 5 to 15 knots. waves calm to
2 feet. 
.tonight...north winds 5 to 15 knots backing west after midnight,
then veering northwest late. waves calm to 2 feet. 
.saturday...northwest winds 10 to 20 knots backing west in the
afternoon. waves calm to 2 feet. 
.saturday night...northwest winds 10 to 20 knots. waves calm to
2 feet. 
.sunday...northwest winds 5 to 15 knots backing west by mid
afternoon. waves calm to 2 feet. 
.sunday night...north winds 5 to 15 knots. waves calm to 2 feet. 
.monday...north winds less than 10 knots becoming south 5 to
15 knots by mid afternoon. waves calm to 2 feet. 
.monday night...east winds 5 to 15 knots. a chance of rain
showers after midnight. waves calm to 2 feet. 
.tuesday...east winds 10 to 20 knots becoming north 5 to
15 knots. a chance of rain showers. waves calm to 2 feet. 
.wednesday...west winds 5 to 15 knots backing southwest. waves
calm to 2 feet. 

$$

fzus63 kmqt 082002
glfls 
expires:202605090800;;234497

open lake forecast for lake superior
national weather service marquette mi
401 pm edt fri may 8 2026

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

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

.synopsis... 

troughing of 29.6 inches over lake superior this afternoon deepens 
to 29.5 inches by this evening as a 29.4 inch low remains over 
hudson bay. the trough pushes east into quebec by saturday afternoon 
as 30.3 inch high pressure builds over the canadian prairie this 
weekend. the high shifts east to the great lakes at 30.3 inches by 
sunday night. ridging persists at around 30.2 inches over lake 
superior through monday, followed by a 29.7 inch trough on tuesday 
as high pressure weakens and shifts to the east coast.



lsz263-090800-
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 fri may 8 2026

.late this afternoon...southwest winds 10 to 20 knots. waves 1 to
3 feet. 
.tonight...southwest winds 5 to 15 knots veering northwest late.
a chance of rain showers through midnight. waves subsiding to
calm to 2 feet. 
.saturday...northwest winds 5 to 15 knots backing west in the
afternoon. waves calm to 2 feet. 
.saturday night...west winds 5 to 15 knots veering northwest
after midnight. waves building to 1 to 3 feet, then subsiding to
calm to 2 feet. 
.sunday...northwest winds 5 to 15 knots backing west by mid
afternoon. waves calm to 2 feet. 
.sunday night...west winds 5 to 15 knots veering north after
midnight. waves calm to 2 feet. 
.monday...north winds less than 10 knots becoming south 5 to
15 knots by mid afternoon. waves calm to 2 feet. 
.monday night...southeast winds 5 to 15 knots. waves calm to
2 feet. 
.tuesday...southeast winds 5 to 15 knots backing north. a chance
of rain showers. waves calm to 2 feet. 
.wednesday...west winds 5 to 15 knots backing southwest. waves
calm to 2 feet. 

$$

fzus63 kmqt 082002
glfls 
expires:202605090800;;234498

open lake forecast for lake superior
national weather service marquette mi
401 pm edt fri may 8 2026

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

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

.synopsis... 

troughing of 29.6 inches over lake superior this afternoon deepens 
to 29.5 inches by this evening as a 29.4 inch low remains over 
hudson bay. the trough pushes east into quebec by saturday afternoon 
as 30.3 inch high pressure builds over the canadian prairie this 
weekend. the high shifts east to the great lakes at 30.3 inches by 
sunday night. ridging persists at around 30.2 inches over lake 
superior through monday, followed by a 29.7 inch trough on tuesday 
as high pressure weakens and shifts to the east coast.



lsz264-090800-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
401 pm edt fri may 8 2026

.late this afternoon...southwest winds 5 to 15 knots. waves calm
to 2 feet. 
.tonight...south winds 5 to 15 knots veering southwest after
midnight, then veering northwest late. sprinkles through
midnight. waves calm to 2 feet. 
.saturday...north winds 5 to 15 knots backing west late. waves
calm to 2 feet. 
.saturday night...west winds 5 to 15 knots veering northwest
after midnight. waves building to 1 to 3 feet, then subsiding to
calm to 2 feet. 
.sunday...northwest winds 5 to 15 knots backing west by mid
afternoon. waves calm to 2 feet. 
.sunday night...west winds 5 to 15 knots veering north after
midnight. waves calm to 2 feet. 
.monday...northwest winds less than 10 knots becoming southwest
5 to 15 knots by mid afternoon. waves calm to 2 feet. 
.monday night...south winds 5 to 15 knots backing southeast after
midnight. waves calm to 2 feet. 
.tuesday...southeast winds 10 to 20 knots becoming north 5 to
15 knots. a chance of rain showers. waves building to 1 to
3 feet, then subsiding to calm to 2 feet. 
.wednesday...west winds 5 to 15 knots. waves calm to 2 feet. 

$$

fzus63 kmqt 082002
glfls 
expires:202605090800;;234499

open lake forecast for lake superior
national weather service marquette mi
401 pm edt fri may 8 2026

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

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

.synopsis... 

troughing of 29.6 inches over lake superior this afternoon deepens 
to 29.5 inches by this evening as a 29.4 inch low remains over 
hudson bay. the trough pushes east into quebec by saturday afternoon 
as 30.3 inch high pressure builds over the canadian prairie this 
weekend. the high shifts east to the great lakes at 30.3 inches by 
sunday night. ridging persists at around 30.2 inches over lake 
superior through monday, followed by a 29.7 inch trough on tuesday 
as high pressure weakens and shifts to the east coast.



lsz265-090800-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
401 pm edt fri may 8 2026

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

$$

fzus63 kmqt 082002
glfls 
expires:202605090800;;234500

open lake forecast for lake superior
national weather service marquette mi
401 pm edt fri may 8 2026

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

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

.synopsis... 

troughing of 29.6 inches over lake superior this afternoon deepens 
to 29.5 inches by this evening as a 29.4 inch low remains over 
hudson bay. the trough pushes east into quebec by saturday afternoon 
as 30.3 inch high pressure builds over the canadian prairie this 
weekend. the high shifts east to the great lakes at 30.3 inches by 
sunday night. ridging persists at around 30.2 inches over lake 
superior through monday, followed by a 29.7 inch trough on tuesday 
as high pressure weakens and shifts to the east coast.



lsz266-090800-
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 fri may 8 2026

.late this afternoon...south winds 5 to 15 knots. waves calm to
2 feet. 
.tonight...south winds 10 to 20 knots diminishing to 5 to
15 knots after midnight, then veering west late. a chance of rain
showers. waves calm to 2 feet. 
.saturday...northwest winds 10 to 20 knots increasing to 15 to
25 knots in the afternoon. waves building to 3 to 5 feet
occasionally to 7 feet. 
.saturday night...northwest winds 15 to 25 knots backing west
after midnight, then veering northwest late. waves subsiding to
1 to 3 feet. 
.sunday...northwest winds 15 to 25 knots. waves building to 2 to
4 feet. 
.sunday night...northwest winds 15 to 25 knots diminishing to
10 to 20 knots after midnight. waves subsiding to 1 to 3 feet. 
.monday...northwest winds 5 to 15 knots. waves subsiding to calm
to 2 feet. 
.monday night...south winds 5 to 15 knots. waves calm to 2 feet. 
.tuesday...southeast winds 15 to 25 knots becoming north 10 to
20 knots. a chance of rain showers. waves building to 2 to
4 feet, then subsiding to calm to 2 feet. 
.wednesday...northwest winds 5 to 15 knots backing west. waves
calm to 2 feet. 

$$

fzus63 kmqt 082002
glfls 
expires:202605090800;;234501

open lake forecast for lake superior
national weather service marquette mi
401 pm edt fri may 8 2026

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

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

.synopsis... 

troughing of 29.6 inches over lake superior this afternoon deepens 
to 29.5 inches by this evening as a 29.4 inch low remains over 
hudson bay. the trough pushes east into quebec by saturday afternoon 
as 30.3 inch high pressure builds over the canadian prairie this 
weekend. the high shifts east to the great lakes at 30.3 inches by 
sunday night. ridging persists at around 30.2 inches over lake 
superior through monday, followed by a 29.7 inch trough on tuesday 
as high pressure weakens and shifts to the east coast.



lsz267-090800-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
401 pm edt fri may 8 2026

.late this afternoon...southeast winds 5 to 15 knots. waves calm
to 2 feet. 
.tonight...south winds 10 to 20 knots diminishing to 5 to
15 knots late. a chance of rain showers. flurries after midnight.
waves calm to 2 feet. 
.saturday...northwest winds 5 to 15 knots increasing to 20 to
30 knots. waves building to 3 to 5 feet occasionally to 7 feet. 
.saturday night...northwest winds 20 to 30 knots diminishing to
15 to 25 knots after midnight, then becoming west 10 to 20 knots
late. waves building to 3 to 6 feet occasionally to 8 feet, then
subsiding to 2 to 4 feet. 
.sunday...northwest winds 10 to 20 knots increasing to 15 to
25 knots by mid afternoon. a chance of rain and snow showers
through early afternoon. waves subsiding to 1 to 3 feet, then
building to 2 to 4 feet. 
.sunday night...northwest winds 15 to 25 knots diminishing to
10 to 20 knots after midnight. waves subsiding to 1 to 3 feet. 
.monday...northwest winds 5 to 15 knots. waves subsiding to calm
to 2 feet. 
.monday night...west winds less than 10 knots becoming south 5 to
15 knots after midnight. waves calm to 2 feet. 
.tuesday...southeast winds 5 to 15 knots. a chance of rain
showers. waves calm to 2 feet. 
.wednesday...northwest winds 5 to 15 knots. waves calm to 2 feet.

$$