fzus63 kdtx 101943
glflh 
expires:202608110345;;955638

open lake forecast for lake huron
national weather service detroit/pontiac mi
343 pm 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. high pressure, 30.00 inches,
will dominate the region to the north of the front. light winds
will be variable through the week, but maintain an overall
northerly trend over lake huron and southerly south of port
huron.


lhz361-110345-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
343 pm edt mon aug 10 2026

.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 becoming west 5 to
10 knots after midnight. waves 2 feet or less. 
.wednesday...northwest winds 5 to 10 knots early in the morning
becoming light and variable...then becoming west 5 to 10 knots
early in the afternoon. waves 2 feet or less. 
.wednesday night...west winds 5 to 10 knots. waves 2 feet or
less. 
.thursday...northwest winds 5 to 10 knots increasing to 10 to
15 knots late in the afternoon. waves 2 feet or less building to
2 to 4 feet late in the afternoon. 
.friday...north winds 5 to 10 knots. waves 2 feet or less. 
.saturday...southeast winds 5 to 10 knots. a chance of showers .
waves 2 feet or less. 


$$

fzus63 kdtx 101943
glflh 
expires:202608110345;;955639

open lake forecast for lake huron
national weather service detroit/pontiac mi
343 pm 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. high pressure, 30.00 inches,
will dominate the region to the north of the front. light winds
will be variable through the week, but maintain an overall
northerly trend over lake huron and southerly south of port
huron.


lhz362-363-110345-
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-
343 pm edt mon aug 10 2026

.tonight...north winds 5 to 10 knots backing to the northwest
after midnight. waves 2 feet or less. 
.tuesday...northwest winds 5 to 10 knots early in the morning
becoming light and variable. waves 2 feet or less. 
.tuesday night...light and variable winds. waves 2 feet or less. 
.wednesday...light and variable winds. a chance of showers in the
afternoon. waves 2 feet or less. 
.wednesday night...light and variable winds becoming west 5 to
10 knots after midnight. waves 2 feet or less. 
.thursday...northwest winds 5 to 10 knots increasing to northwest
10 to 15 knots late in the evening. waves 2 feet or less building
to 2 to 4 feet late in the afternoon. 
.friday...north winds 10 to 15 knots becoming light and variable.
waves 1 to 3 feet. 
.saturday...light and variable winds becoming southeast 5 to
10 knots. a chance of showers by midnight. waves 2 feet or less. 


$$

fzus63 kdtx 101943
glflh 
expires:202608110345;;955640

open lake forecast for lake huron
national weather service detroit/pontiac mi
343 pm 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. high pressure, 30.00 inches,
will dominate the region to the north of the front. light winds
will be variable through the week, but maintain an overall
northerly trend over lake huron and southerly south of port
huron.


lhz462>464-110345-
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-
343 pm edt mon aug 10 2026

.tonight...north winds 5 to 10 knots. waves 2 feet or less. 
.tuesday...north winds 5 to 10 knots early in the morning
becoming light and variable...then becoming north 5 to 10 knots
late in the afternoon. waves 2 feet or less. 
.tuesday night...northeast winds 5 to 10 knots early in the
evening becoming light and variable. waves 2 feet or less. 
.wednesday...north winds 5 to 10 knots veering to the southeast
in the late morning and early afternoon...then backing to the
north early in the afternoon. a chance of showers in the
afternoon. waves 2 feet or less. 
.wednesday night...light and variable winds becoming north 5 to
10 knots after midnight. a chance of showers in the evening.
waves 2 feet or less. 
.thursday...north winds 5 to 10 knots increasing to 10 to
15 knots late in the evening. waves 1 to 3 feet. 
.friday...north winds 10 to 15 knots becoming northeast 5 to
10 knots by midnight. waves 1 to 3 feet. 
.saturday...southeast winds 5 to 10 knots. a chance of showers by
midnight. waves 2 feet or less. 


$$

fzus63 kmkx 101952
glflm 
expires:202608110315;;956019

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
252 pm 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 and variable winds due to high pressure around 
30.0 inches sitting north of a frontal boundary that is 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. a few strong storms are expected over the
southern 2/3 of the lake tonight and again tuesday late morning 
to early afternoon.


lmz261-362-364-366-563-565-567-868-110315-
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-
252 pm cdt mon aug 10 2026

sheboygan wi to pentwater mi north...

.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...east winds 5 to 10 kt. waves 1 ft or less. 
.wednesday...northeast winds 5 to 10 kt backing to west 10 to
15 kt. waves 1 ft or less. 
.wednesday night...north winds 10 to 15 kt. waves nearly calm.
.thursday...north winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 2 ft. 
.thursday night...north winds 10 to 20 kt becoming northeast.
waves 1 to 3 ft. 
.friday...northeast winds 10 to 20 kt increasing to 15 to 25 kt.
waves 1 to 3 ft. 
.saturday...southeast winds 15 to 25 kt becoming south. chance of
showers. waves 4 to 6 ft occasionally to 8 ft.  

$$

fzus63 kmkx 101952
glflm 
expires:202608110315;;956020

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
252 pm 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 and variable winds due to high pressure around 
30.0 inches sitting north of a frontal boundary that is 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. a few strong storms are expected over the
southern 2/3 of the lake tonight and again tuesday late morning 
to early afternoon.


lmz080-669-671-673-675-777-779-870-872-874-876-878-110315-
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-
252 pm cdt mon aug 10 2026

sheboygan wi to pentwater mi south...

.tonight...northeast winds 5 to 10 kt becoming east. chance of
showers and thunderstorms this evening, then slight chance of
showers and thunderstorms overnight. patchy fog overnight. waves
1 ft or less. 
.tuesday...east winds 5 to 10 kt becoming south. slight chance of
showers and thunderstorms in the morning, then chance of showers
and slight chance of thunderstorms in the afternoon. waves 1 to
2 ft. 
.tuesday night...southeast winds 5 to 10 kt. patchy fog
overnight. waves 1 ft or less. 
.wednesday...southeast winds 5 to 10 kt backing to north 10 to
15 kt. patchy fog in the morning. waves 1 ft or less. 
.wednesday night...northeast winds 10 to 15 kt. waves 1 ft or
less. 
.thursday...northeast winds 10 to 15 kt becoming north 10 to
20 kt. waves 1 to 2 ft. 
.thursday night...north winds 10 to 20 kt becoming northeast.
waves 1 to 3 ft building to 2 to 4 ft. 
.friday...northeast winds 10 to 20 kt increasing to 15 to 25 kt.
waves 3 to 5 ft. 
.saturday...southeast winds 15 to 25 kt becoming south. chance of
showers and thunderstorms. waves 4 to 6 ft occasionally to 8 ft. 

$$

fzus63 kmqt 102001
glfls 
expires:202608110800;;956308

open lake forecast for lake superior
national weather service marquette mi
401 pm 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 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.




lsz162-110800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
401 pm edt mon aug 10 2026 /301 pm cdt mon aug 10 2026/

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

$$

fzus63 kmqt 102001
glfls 
expires:202608110800;;956309

open lake forecast for lake superior
national weather service marquette mi
401 pm 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 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.




lsz263-110800-
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 mon aug 10 2026

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

$$

fzus63 kmqt 102001
glfls 
expires:202608110800;;956310

open lake forecast for lake superior
national weather service marquette mi
401 pm 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 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.




lsz264-110800-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
401 pm edt mon aug 10 2026

.late this afternoon...southwest winds 5 to 15 knots. patchy
dense fog. 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 backing south in the
afternoon. waves calm to 2 feet. 
.tuesday night...south winds less than 10 knots veering southwest
after midnight. waves calm to 2 feet. 
.wednesday...north winds less than 10 knots veering south by mid
afternoon. waves calm to 2 feet. 
.wednesday night...west winds less than 10 knots veering
northwest after midnight. waves calm to 2 feet. 
.thursday...northwest winds 5 to 15 knots. waves calm to 2 feet. 
.thursday night...northwest winds less than 10 knots veering
north after midnight. waves calm to 2 feet. 
.friday...north winds 5 to 15 knots veering southeast. waves calm
to 2 feet. 
.saturday...southeast winds 5 to 15 knots veering northwest. a
chance of showers. waves calm to 2 feet. 

$$

fzus63 kmqt 102001
glfls 
expires:202608110800;;956311

open lake forecast for lake superior
national weather service marquette mi
401 pm 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 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.




lsz265-110800-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
401 pm edt mon aug 10 2026

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

$$

fzus63 kmqt 102001
glfls 
expires:202608110800;;956312

open lake forecast for lake superior
national weather service marquette mi
401 pm 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 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.




lsz266-110800-
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 mon aug 10 2026

.late this afternoon...west winds 5 to 15 knots. patchy fog.
waves calm to 2 feet. 
.tonight...west winds 5 to 15 knots backing south after midnight.
patchy dense fog. waves calm to 2 feet. 
.tuesday...southwest winds 5 to 15 knots backing southeast in the
afternoon, then backing east late. a slight chance of showers.
waves calm to 2 feet. 
.tuesday night...south winds 5 to 15 knots. waves calm to 2 feet.
.wednesday...southwest winds 5 to 15 knots veering north by mid
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. 
.thursday night...northwest winds 10 to 20 knots becoming north
5 to 15 knots after midnight. waves calm to 2 feet. 
.friday...north winds 5 to 15 knots veering southeast. waves calm
to 2 feet. 
.saturday...southeast winds 5 to 15 knots increasing to 10 to
20 knots. a chance of showers. waves calm to 2 feet. 

$$

fzus63 kmqt 102001
glfls 
expires:202608110800;;956313

open lake forecast for lake superior
national weather service marquette mi
401 pm 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 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.




lsz267-110800-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
401 pm edt mon aug 10 2026

.late this afternoon...northwest winds 5 to 15 knots. patchy fog.
waves calm to 2 feet. 
.tonight...west winds 5 to 15 knots backing south after midnight.
patchy fog. waves calm to 2 feet. 
.tuesday...southeast winds 5 to 15 knots backing northeast late.
patchy fog through early afternoon. waves calm to 2 feet. 
.tuesday night...west winds 5 to 15 knots veering northwest after
midnight, then backing west late. waves calm to 2 feet. 
.wednesday...north winds 5 to 15 knots backing northwest by mid
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 increasing to 10 to
20 knots by mid afternoon. waves calm to 2 feet. 
.thursday night...northwest winds 10 to 20 knots becoming north
5 to 15 knots after midnight. waves calm to 2 feet. 
.friday...northwest winds 5 to 15 knots backing southeast. waves
calm to 2 feet. 
.saturday...southeast winds 5 to 15 knots increasing to 10 to
20 knots. a chance of showers. waves calm to 2 feet. 

$$