fzus63 kdtx 101353
glflh 
expires:202608102200;;940198

open lake forecast for lake huron
national weather service detroit/pontiac mi
953 am edt mon aug 10 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 quasi-stationary front holds over the southern great
lakes through mid-week, bringing waves of showers and 
thunderstorms across the waters. light winds will be variable 
through the week, but maintain an overall northerly trend over 
lake huron and southerly south of port huron.


lhz361-102200-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
953 am edt mon aug 10 2026

.rest of today...west winds 5 to 10 knots. waves 2 feet or less. 
.tonight...northwest winds 5 to 10 knots. 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...west winds 5 to 10 knots veering to the northwest
late in the afternoon. a chance of showers. waves 2 feet or less.
.thursday...northwest winds 5 to 10 knots increasing to 10 to
15 knots . waves 2 feet or less building to 2 to 4 feet . 
.friday...north winds 5 to 10 knots backing to the west . waves
2 feet or less. 


$$

fzus63 kdtx 101353
glflh 
expires:202608102200;;940199

open lake forecast for lake huron
national weather service detroit/pontiac mi
953 am edt mon aug 10 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 quasi-stationary front holds over the southern great
lakes through mid-week, bringing waves of showers and 
thunderstorms across the waters. light winds will be variable 
through the week, but maintain an overall northerly trend over 
lake huron and southerly south of port huron.


lhz362-363-102200-
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-
953 am edt mon aug 10 2026

.rest of today...southwest winds 5 to 10 knots. waves 2 feet or
less. 
.tonight...north winds 5 to 10 knots backing to the northwest
after midnight. waves 1 to 3 feet. 
.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 west 5 to 10 knots
late in the morning...then veering to the northwest late in the
evening. a chance of showers. waves 2 feet or less. 
.thursday...northwest winds 5 to 10 knots increasing to 10 to
15 knots by midnight. waves 2 feet or less building to 2 to
4 feet . 
.friday...north winds 5 to 10 knots. waves 2 to 4 feet subsiding
to 2 feet or less. 


$$

fzus63 kdtx 101353
glflh 
expires:202608102200;;940200

open lake forecast for lake huron
national weather service detroit/pontiac mi
953 am edt mon aug 10 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 quasi-stationary front holds over the southern great
lakes through mid-week, bringing waves of showers and 
thunderstorms across the waters. light winds will be variable 
through the week, but maintain an overall northerly trend over 
lake huron and southerly south of port huron.


lhz462>464-102200-
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-
953 am edt mon aug 10 2026

.rest of today...southwest winds 5 to 10 knots. waves 2 feet or
less. 
.tonight...north winds 5 to 10 knots in the evening becoming
light and variable...then becoming north 5 to 10 knots early in
the morning. waves 2 feet or less. 
.tuesday...light and variable winds becoming north 5 to 10 knots
early in the afternoon. waves 2 feet or less. 
.tuesday night...northeast winds 5 to 10 knots early in the
evening becoming light and variable...then becoming southeast
5 to 10 knots after midnight. waves 2 feet or less. 
.wednesday...northeast winds 5 to 10 knots veering to the south
late in the morning...then veering to the south 5 to 10 knots
late in the afternoon. a chance of showers late in the morning.
waves 2 feet or less. 
.thursday...north winds 5 to 10 knots. waves 1 to 3 feet. 
.friday...north winds 5 to 10 knots. waves 1 to 3 feet. 


$$

fzus63 kmkx 101405
glflm 
expires:202608102115;;940616

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
905 am cdt mon aug 10 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...

the stationary front remains over the far southern portion of the
lake with light variable winds are expected through much of today.
light and variable winds then persist into tuesday as high 
pressure around 30.0 inches remains in place north of a frontal 
boundary parked over the corn belt. otherwise an unsettled weather
pattern has set up over the upper great lakes for the start of 
this week where weak waves of low pressure will cross the region 
and produce rounds of thunderstorms at times, primarily over the 
southern half of lake michigan.


lmz261-362-364-366-563-565-567-868-102115-
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-
905 am cdt mon aug 10 2026

sheboygan wi to pentwater mi north...

.rest of today...north winds 5 to 10 kt backing to southwest.
waves 1 to 2 ft. 
.tonight...southeast winds 10 to 15 kt becoming east. waves 1 ft
or less. 
.tuesday...southeast winds 5 to 10 kt becoming east. waves 1 ft
or less. 
.tuesday night...southwest winds 5 to 10 kt becoming west. waves
1 ft or less. 
.wednesday...northwest winds 10 to 15 kt becoming west 10 to
20 kt. chance of showers in the morning. waves 1 ft or less.
.wednesday night...north winds 10 to 20 kt diminishing to 10 to
15 kt. waves 1 ft or less. 
.thursday...north winds 10 to 20 kt. waves 1 to 2 ft. 
.friday...northeast winds 10 to 15 kt increasing to 15 to 25 kt.
waves 1 to 3 ft.  

$$

fzus63 kmkx 101405
glflm 
expires:202608102115;;940617

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
905 am cdt mon aug 10 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...

the stationary front remains over the far southern portion of the
lake with light variable winds are expected through much of today.
light and variable winds then persist into tuesday as high 
pressure around 30.0 inches remains in place north of a frontal 
boundary parked over the corn belt. otherwise an unsettled weather
pattern has set up over the upper great lakes for the start of 
this week where weak waves of low pressure will cross the region 
and produce rounds of thunderstorms at times, primarily over the 
southern half of lake michigan.


lmz080-669-671-673-675-777-779-870-872-874-876-878-102115-
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-
905 am cdt mon aug 10 2026

sheboygan wi to pentwater mi south...

.rest of today...northwest winds 5 to 10 kt becoming northeast.
waves 1 to 2 ft. 
.tonight...northeast winds 5 to 10 kt becoming east. chance of
showers and thunderstorms in the evening, then chance of showers
and slight chance of thunderstorms overnight. waves 1 ft or less.
.tuesday...southeast winds 5 to 10 kt becoming south 10 to 15 kt.
chance of showers. waves 1 to 2 ft. 
.tuesday night...east winds 5 to 10 kt. waves 1 ft or less. 
.wednesday...north winds 10 to 15 kt becoming northwest. chance
of showers in the afternoon. waves 1 ft or less. 
.wednesday night...north winds 10 to 15 kt. waves 1 to 2 ft.
.thursday...northeast winds 10 to 20 kt becoming north. waves
1 to 2 ft. 
.friday...northeast winds 10 to 20 kt increasing to 15 to 25 kt.
waves 2 to 4 ft.  

$$

fzus63 kmqt 101401
glfls 
expires:202608102000;;940485

open lake forecast for lake superior
national weather service marquette mi
1001 am edt mon aug 10 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...

weak 29.9 inch ridge builds over the lake today and persists through 
tuesday. weak troughing of around 29.8 inches moves over the lake 
tuesday night into wednesday before high pressure gradually builds 
over the great lakes from western canada late in the week, 
strengthening to 30.2 inches by friday.




lsz162-102000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1001 am edt mon aug 10 2026 /901 am cdt mon aug 10 2026/

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

$$

fzus63 kmqt 101401
glfls 
expires:202608102000;;940486

open lake forecast for lake superior
national weather service marquette mi
1001 am edt mon aug 10 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...

weak 29.9 inch ridge builds over the lake today and persists through 
tuesday. weak troughing of around 29.8 inches moves over the lake 
tuesday night into wednesday before high pressure gradually builds 
over the great lakes from western canada late in the week, 
strengthening to 30.2 inches by friday.




lsz263-102000-
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-
1001 am edt mon aug 10 2026

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

$$

fzus63 kmqt 101401
glfls 
expires:202608102000;;940487

open lake forecast for lake superior
national weather service marquette mi
1001 am edt mon aug 10 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...

weak 29.9 inch ridge builds over the lake today and persists through 
tuesday. weak troughing of around 29.8 inches moves over the lake 
tuesday night into wednesday before high pressure gradually builds 
over the great lakes from western canada late in the week, 
strengthening to 30.2 inches by friday.




lsz264-102000-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1001 am edt mon aug 10 2026

.rest of today...west winds 5 to 15 knots backing southwest late.
patchy fog by late morning. waves calm to 2 feet. 
.tonight...southwest winds 5 to 15 knots diminishing to less than
10 knots late. waves calm to 2 feet. 
.tuesday...southwest winds less than 10 knots backing south in
the afternoon. waves calm to 2 feet. 
.tuesday night...south winds less than 10 knots veering southwest
after midnight. a slight chance of showers after midnight. waves
calm to 2 feet. 
.wednesday...west winds less than 10 knots. a slight chance of
showers through early afternoon. waves calm to 2 feet. 
.wednesday night...west winds less than 10 knots becoming north
5 to 15 knots after midnight. waves calm to 2 feet. 
.thursday...north winds 5 to 15 knots becoming northwest less
than 10 knots. waves calm to 2 feet. 
.friday...northwest winds less than 10 knots becoming south 5 to
15 knots. waves calm to 2 feet. 

$$

fzus63 kmqt 101401
glfls 
expires:202608102000;;940488

open lake forecast for lake superior
national weather service marquette mi
1001 am edt mon aug 10 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...

weak 29.9 inch ridge builds over the lake today and persists through 
tuesday. weak troughing of around 29.8 inches moves over the lake 
tuesday night into wednesday before high pressure gradually builds 
over the great lakes from western canada late in the week, 
strengthening to 30.2 inches by friday.




lsz265-102000-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1001 am edt mon aug 10 2026

.rest of today...southwest winds 5 to 15 knots veering west in
the afternoon. waves calm to 2 feet. 
.tonight...southwest winds 5 to 15 knots increasing to 10 to
20 knots after midnight. waves calm to 2 feet. 
.tuesday...west winds 5 to 15 knots backing east in the
afternoon. a slight chance of showers and thunderstorms by mid
afternoon. waves calm to 2 feet. 
.tuesday night...south winds 5 to 15 knots veering southwest
after midnight. a chance of showers after midnight. waves calm to
2 feet. 
.wednesday...west winds 5 to 15 knots veering north by mid
afternoon. a slight chance of showers. waves calm to 2 feet. 
.wednesday night...northwest winds 5 to 15 knots. 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 southeast. waves calm
to 2 feet. 

$$

fzus63 kmqt 101401
glfls 
expires:202608102000;;940489

open lake forecast for lake superior
national weather service marquette mi
1001 am edt mon aug 10 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...

weak 29.9 inch ridge builds over the lake today and persists through 
tuesday. weak troughing of around 29.8 inches moves over the lake 
tuesday night into wednesday before high pressure gradually builds 
over the great lakes from western canada late in the week, 
strengthening to 30.2 inches by friday.




lsz266-102000-
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-
1001 am edt mon aug 10 2026

.rest of today...southwest winds 5 to 15 knots veering west in
the afternoon. patchy fog by late morning. waves calm to 2 feet. 
.tonight...west winds 5 to 15 knots backing south late. waves
calm to 2 feet. 
.tuesday...south winds 5 to 15 knots backing east late. a slight
chance of showers by mid afternoon. waves calm to 2 feet. 
.tuesday night...southeast winds 5 to 15 knots veering south
after midnight. a slight chance of showers after midnight. waves
calm to 2 feet. 
.wednesday...west winds 5 to 15 knots veering north by mid
afternoon. a slight chance of showers through early afternoon.
waves calm to 2 feet. 
.wednesday night...northwest winds 5 to 15 knots. waves calm to
2 feet. 
.thursday...northwest winds 5 to 15 knots. waves calm to 2 feet. 
.friday...northwest winds 5 to 15 knots backing southeast. waves
calm to 2 feet. 

$$

fzus63 kmqt 101401
glfls 
expires:202608102000;;940490

open lake forecast for lake superior
national weather service marquette mi
1001 am edt mon aug 10 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...

weak 29.9 inch ridge builds over the lake today and persists through 
tuesday. weak troughing of around 29.8 inches moves over the lake 
tuesday night into wednesday before high pressure gradually builds 
over the great lakes from western canada late in the week, 
strengthening to 30.2 inches by friday.




lsz267-102000-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1001 am edt mon aug 10 2026

.rest of today...west winds 5 to 15 knots. patchy fog by late
morning. waves calm to 2 feet. 
.tonight...west winds 5 to 15 knots backing south late. waves
calm to 2 feet. 
.tuesday...south winds 5 to 15 knots backing east in the
afternoon, then backing northeast late. waves calm to 2 feet. 
.tuesday night...east winds 5 to 15 knots backing north after
midnight. a slight chance of showers. waves calm to 2 feet. 
.wednesday...north winds 5 to 15 knots backing northwest by mid
afternoon. a slight chance of showers through early afternoon.
waves calm to 2 feet. 
.wednesday night...northwest winds 5 to 15 knots increasing to
10 to 20 knots 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...northwest winds 5 to 15 knots backing southeast. waves
calm to 2 feet. 

$$