fzus63 kdtx 221957
glflh 
expires:202610230400;;010973

open lake forecast for lake huron
national weather service detroit/pontiac mi
357 pm edt thu oct 22 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...high pressure, 30.40 inches, builds into quebec
tonight as the stretch of tranquil and mainly dry conditions
continue into next week.


lhz361-362-230400-
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-
357 pm edt thu oct 22 2026

.tonight...light and variable winds becoming east 5 to 10 knots
after midnight. patchy fog after midnight. waves 2 feet or less. 
.friday...southeast winds 5 to 10 knots. patchy dense fog in the
morning. waves 2 feet or less. 
.friday night...southeast winds 5 to 10 knots. waves 2 feet or
less. 
.saturday...south winds 5 to 10 knots increasing to 10 to
15 knots in the late morning and afternoon. waves 1 to 3 feet. 
.saturday night...south winds 10 to 15 knots. waves 2 to 4 feet. 
.sunday...south winds 10 to 15 knots decreasing to 5 to 10 knots
late in the afternoon...then becoming northwest 10 to 15 knots
late in the evening. waves 2 to 4 feet subsiding to 1 to 3 feet
late in the afternoon. 
.monday...northwest winds 5 to 10 knots. waves 1 to 3 feet. 
.tuesday...northeast winds 10 to 15 knots becoming east 5 to
10 knots. waves 2 feet or less. 


$$

fzus63 kdtx 221957
glflh 
expires:202610230400;;010974

open lake forecast for lake huron
national weather service detroit/pontiac mi
357 pm edt thu oct 22 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...high pressure, 30.40 inches, builds into quebec
tonight as the stretch of tranquil and mainly dry conditions
continue into next week.


lhz363-462>464-230400-
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-
357 pm edt thu oct 22 2026

.tonight...northeast winds 5 to 10 knots veering to the east
early in the morning. waves 2 feet or less. 
.friday...southeast winds 5 to 10 knots. waves 2 feet or less. 
.friday night...southeast winds 5 to 10 knots increasing to 10 to
15 knots in the late evening and overnight. waves 2 feet or less.
.saturday...southeast winds 5 to 10 knots. waves 1 to 3 feet. 
.saturday night...southeast winds 5 to 10 knots becoming south
10 to 15 knots in the late evening and overnight. waves 1 to
3 feet. 
.sunday...south winds 10 to 15 knots decreasing to 5 to 10 knots
late in the afternoon...then becoming southwest 10 to 15 knots
late in the evening. waves 1 to 3 feet. 
.monday...north winds 10 to 15 knots. waves 1 to 3 feet building
to 2 to 4 feet by midnight. 
.tuesday...northeast winds 10 to 15 knots decreasing to 5 to
10 knots . waves 2 to 4 feet subsiding to 1 to 3 feet. 


$$

fzus63 kmkx 221956
glflm 
expires:202610230330;;010911

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
256 pm cdt thu oct 22 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 fog has become a low cloud deck over the northern and central
portions of the lake this afternoon. this area may become more 
fog once again into this evening, with some dense fog possible. it
may also spread southward and linger into friday morning. fog may
develop in southern portions of the lake as well tonight into 
friday morning, with patchy dense fog possible.

high pressure around 30.3 inches will gradually shift eastward 
through friday, while strengthening to around 30.5 inches over 
southern quebec. light winds will continue into tonight, 
increasing a bit out of the south on friday behind the 
strengthening high. south to southwest winds will then persist 
through the weekend, between the high to the east and a cold front
to the northwest. winds will shift to the north and northeast 
behind the cold front on monday.


lmz261-362-364-366-563-565-567-868-230330-
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-
256 pm cdt thu oct 22 2026

sheboygan wi to pentwater mi north...

.tonight...east winds 5 to 10 kt veering to southeast. patchy
fog. waves 1 ft or less. 
.friday...south winds 10 to 15 kt. patchy fog in the morning.
waves 1 to 3 ft. 
.friday night...south winds 10 to 15 kt. waves 1 to 3 ft. 
.saturday...south winds 10 to 20 kt increasing to 30 kt in the
afternoon. waves 3 to 5 ft building to 4 to 6 ft occasionally to
8 ft. 
.saturday night...south winds to 30 kt. waves 4 to 6 ft
occasionally to 8 ft. 
.sunday...southwest winds 15 to 25 kt becoming west 10 to 20 kt.
waves 3 to 5 ft subsiding to 2 to 4 ft. 
.sunday night...north winds 10 to 15 kt increasing to 10 to
20 kt. waves 1 to 3 ft. 
.monday...north winds 10 to 20 kt. waves 2 to 4 ft. 
.tuesday...east winds 10 to 15 kt. waves 2 to 4 ft subsiding to
1 to 3 ft.  

$$

fzus63 kmkx 221956
glflm 
expires:202610230330;;010912

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
256 pm cdt thu oct 22 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 fog has become a low cloud deck over the northern and central
portions of the lake this afternoon. this area may become more 
fog once again into this evening, with some dense fog possible. it
may also spread southward and linger into friday morning. fog may
develop in southern portions of the lake as well tonight into 
friday morning, with patchy dense fog possible.

high pressure around 30.3 inches will gradually shift eastward 
through friday, while strengthening to around 30.5 inches over 
southern quebec. light winds will continue into tonight, 
increasing a bit out of the south on friday behind the 
strengthening high. south to southwest winds will then persist 
through the weekend, between the high to the east and a cold front
to the northwest. winds will shift to the north and northeast 
behind the cold front on monday.


lmz080-669-671-673-675-777-779-870-872-874-876-878-230330-
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-
256 pm cdt thu oct 22 2026

sheboygan wi to pentwater mi south...

.tonight...northeast winds less than 10 kt veering to southeast.
patchy fog. waves 1 to 2 ft. 
.friday...southeast winds 10 to 15 kt. patchy fog in the morning.
waves 1 to 3 ft. 
.friday night...southeast winds 10 to 15 kt. waves 1 to 3 ft. 
.saturday...south winds 10 to 20 kt increasing to 15 to 25 kt.
waves 3 to 5 ft building to 4 to 6 ft occasionally to 8 ft. 
.saturday night...south winds 15 to 25 kt diminishing to 10 to
20 kt. waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to
5 ft. 
.sunday...south winds 10 to 20 kt. waves 2 to 4 ft. 
.sunday night...southwest winds 5 to 10 kt veering to north 10 to
20 kt. waves 1 to 3 ft. 
.monday...northeast winds 10 to 20 kt. waves 3 to 5 ft. 
.tuesday...east winds 10 to 20 kt. waves 3 to 5 ft.  

$$

fzus63 kmqt 222008 cca
glfls 
expires:202610230800;;011692

open lake forecast for lake superior...corrected
national weather service marquette mi
408 pm edt thu oct 22 2026

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

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

.synopsis...

a 30.3 inch high pressure over quebec, extending a 30.2 inch ridge 
over lake superior, will build to 30.5 inches through friday night. 
by saturday afternoon, the high shifts southeast into new england as 
a 29.6 inch low lifts north of lake winnipeg into northern manitoba, 
strengthening to 29.2 inches by saturday evening. the low then lifts 
northeast to the hudson bay saturday night through sunday as it 
drags a 30.2 inch trough across lake superior. high pressure of at 
least 30.6 inches over the canadian prairies on monday pushes 
ridging of at least 30.4 inches over the upper great lakes early 
next week.


lsz162-230800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
408 pm edt thu oct 22 2026 /308 pm cdt thu oct 22 2026/

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

$$

fzus63 kmqt 222008 cca
glfls 
expires:202610230800;;011693

open lake forecast for lake superior...corrected
national weather service marquette mi
408 pm edt thu oct 22 2026

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

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

.synopsis...

a 30.3 inch high pressure over quebec, extending a 30.2 inch ridge 
over lake superior, will build to 30.5 inches through friday night. 
by saturday afternoon, the high shifts southeast into new england as 
a 29.6 inch low lifts north of lake winnipeg into northern manitoba, 
strengthening to 29.2 inches by saturday evening. the low then lifts 
northeast to the hudson bay saturday night through sunday as it 
drags a 30.2 inch trough across lake superior. high pressure of at 
least 30.6 inches over the canadian prairies on monday pushes 
ridging of at least 30.4 inches over the upper great lakes early 
next week.


lsz263-230800-
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-
408 pm edt thu oct 22 2026

.late this afternoon...east winds 5 to 15 knots. patchy fog.
waves calm to 2 feet. 
.tonight...east winds 5 to 15 knots veering south late. patchy
fog. waves calm to 2 feet. 
.friday...south winds 5 to 15 knots diminishing to less than
10 knots in the afternoon, then becoming east 5 to 15 knots late.
patchy dense fog. waves calm to 2 feet. 
.friday night...southeast winds 5 to 15 knots becoming south
10 to 20 knots after midnight. waves building to 2 to 4 feet. 
.saturday...south winds 15 to 25 knots. a slight chance of
showers by mid afternoon. waves building to 3 to 5 feet
occasionally to 7 feet, then subsiding to 2 to 4 feet. 
.saturday night...southwest winds 15 to 25 knots becoming west
10 to 20 knots after midnight. waves subsiding to 1 to 3 feet. 
.sunday...west winds 10 to 20 knots. waves building to 2 to
4 feet. 
.sunday night...northwest winds 10 to 20 knots becoming north
5 to 15 knots after midnight. waves subsiding to 1 to 3 feet. 
.monday...north winds 5 to 15 knots veering northeast. waves
subsiding to calm to 2 feet. 
.tuesday...east winds 5 to 15 knots veering south. waves calm to
2 feet. 

$$

fzus63 kmqt 222008 cca
glfls 
expires:202610230800;;011694

open lake forecast for lake superior...corrected
national weather service marquette mi
408 pm edt thu oct 22 2026

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

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

.synopsis...

a 30.3 inch high pressure over quebec, extending a 30.2 inch ridge 
over lake superior, will build to 30.5 inches through friday night. 
by saturday afternoon, the high shifts southeast into new england as 
a 29.6 inch low lifts north of lake winnipeg into northern manitoba, 
strengthening to 29.2 inches by saturday evening. the low then lifts 
northeast to the hudson bay saturday night through sunday as it 
drags a 30.2 inch trough across lake superior. high pressure of at 
least 30.6 inches over the canadian prairies on monday pushes 
ridging of at least 30.4 inches over the upper great lakes early 
next week.


lsz264-230800-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
408 pm edt thu oct 22 2026

...dense fog advisory in effect until 8 am edt friday...

.late this afternoon...southeast winds 5 to 15 knots. patchy
dense fog. waves calm to 2 feet. 
.tonight...southeast winds 5 to 15 knots veering south late.
patchy fog. waves calm to 2 feet. 
.friday...south winds 5 to 15 knots backing southeast late.
patchy fog through early afternoon. waves calm to 2 feet. 
.friday night...southeast winds 5 to 15 knots veering south after
midnight, then increasing to 10 to 20 knots late. waves building
to 2 to 4 feet. 
.saturday...south winds 15 to 25 knots. a slight chance of
showers by mid afternoon. waves building to 3 to 6 feet
occasionally to 8 feet. 
.saturday night...southwest winds 15 to 25 knots becoming west
10 to 20 knots after midnight. waves subsiding to 2 to 4 feet. 
.sunday...west winds 15 to 25 knots. waves subsiding to 1 to
3 feet, then building to 2 to 4 feet. 
.sunday night...northwest winds 10 to 20 knots becoming north
5 to 15 knots after midnight. waves subsiding to 1 to 3 feet. 
.monday...north winds 5 to 15 knots veering northeast. waves
subsiding to calm to 2 feet. 
.tuesday...southeast winds 5 to 15 knots veering south. waves
calm to 2 feet. 

$$

fzus63 kmqt 222008 cca
glfls 
expires:202610230800;;011695

open lake forecast for lake superior...corrected
national weather service marquette mi
408 pm edt thu oct 22 2026

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

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

.synopsis...

a 30.3 inch high pressure over quebec, extending a 30.2 inch ridge 
over lake superior, will build to 30.5 inches through friday night. 
by saturday afternoon, the high shifts southeast into new england as 
a 29.6 inch low lifts north of lake winnipeg into northern manitoba, 
strengthening to 29.2 inches by saturday evening. the low then lifts 
northeast to the hudson bay saturday night through sunday as it 
drags a 30.2 inch trough across lake superior. high pressure of at 
least 30.6 inches over the canadian prairies on monday pushes 
ridging of at least 30.4 inches over the upper great lakes early 
next week.


lsz265-230800-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
408 pm edt thu oct 22 2026

.late this afternoon...southeast winds 10 to 20 knots. waves calm
to 2 feet. 
.tonight...southeast winds 10 to 20 knots veering south after
midnight, then diminishing to 5 to 15 knots late. patchy fog.
waves calm to 2 feet. 
.friday...south winds 5 to 15 knots increasing to 10 to 20 knots
in the afternoon, then backing southeast late. patchy fog through
early afternoon. waves building to 1 to 3 feet. 
.friday night...south winds 10 to 20 knots increasing to 15 to
25 knots after midnight. waves 1 to 3 feet. 
.saturday...south winds 20 to 30 knots. waves building to 3 to
6 feet occasionally to 8 feet. areas
of dense fog
.saturday night...south winds 20 to 30 knots becoming west 15 to
25 knots after midnight. a chance of showers. waves subsiding to
1 to 3 feet. 
.sunday...west winds 15 to 25 knots. waves 1 to 3 feet. 
.sunday night...northwest winds 15 to 25 knots veering north
after midnight. waves 1 to 3 feet. 
.monday...north winds 10 to 20 knots veering northeast. waves
subsiding to calm to 2 feet. 
.tuesday...southeast winds 10 to 20 knots veering south. waves
calm to 2 feet. 

$$

fzus63 kmqt 222008 cca
glfls 
expires:202610230800;;011696

open lake forecast for lake superior...corrected
national weather service marquette mi
408 pm edt thu oct 22 2026

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

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

.synopsis...

a 30.3 inch high pressure over quebec, extending a 30.2 inch ridge 
over lake superior, will build to 30.5 inches through friday night. 
by saturday afternoon, the high shifts southeast into new england as 
a 29.6 inch low lifts north of lake winnipeg into northern manitoba, 
strengthening to 29.2 inches by saturday evening. the low then lifts 
northeast to the hudson bay saturday night through sunday as it 
drags a 30.2 inch trough across lake superior. high pressure of at 
least 30.6 inches over the canadian prairies on monday pushes 
ridging of at least 30.4 inches over the upper great lakes early 
next week.


lsz266-230800-
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-
408 pm edt thu oct 22 2026

.late this afternoon...east winds 5 to 15 knots. patchy dense
fog. waves calm to 2 feet. 
.tonight...southeast winds 5 to 15 knots becoming south 10 to
20 knots after midnight, then increasing to 15 to 25 knots late.
patchy fog. waves building to 1 to 3 feet. 
.friday...south winds 15 to 25 knots diminishing to 10 to
20 knots late. patchy dense fog through early afternoon. waves
1 to 3 feet. 
.friday night...south winds 15 to 25 knots. waves building to
2 to 4 feet. 
.saturday...south winds 20 to 30 knots increasing to gales to
35 knots by mid afternoon. waves building to 4 to 7 feet
occasionally to 9 feet. 
.saturday night...south gales to 35 knots becoming southwest
15 to 25 knots after midnight. a chance of showers. waves
subsiding to 2 to 4 feet. 
.sunday...west winds 15 to 25 knots. waves 2 to 4 feet. 
.sunday night...northwest winds 15 to 25 knots veering north
after midnight. waves subsiding to 1 to 3 feet. 
.monday...north winds 10 to 20 knots diminishing to 5 to
15 knots. waves subsiding to calm to 2 feet. 
.tuesday...east winds 5 to 15 knots becoming south 10 to
20 knots. waves calm to 2 feet. 

$$

fzus63 kmqt 222008 cca
glfls 
expires:202610230800;;011697

open lake forecast for lake superior...corrected
national weather service marquette mi
408 pm edt thu oct 22 2026

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

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

.synopsis...

a 30.3 inch high pressure over quebec, extending a 30.2 inch ridge 
over lake superior, will build to 30.5 inches through friday night. 
by saturday afternoon, the high shifts southeast into new england as 
a 29.6 inch low lifts north of lake winnipeg into northern manitoba, 
strengthening to 29.2 inches by saturday evening. the low then lifts 
northeast to the hudson bay saturday night through sunday as it 
drags a 30.2 inch trough across lake superior. high pressure of at 
least 30.6 inches over the canadian prairies on monday pushes 
ridging of at least 30.4 inches over the upper great lakes early 
next week.


lsz267-230800-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
408 pm edt thu oct 22 2026

.late this afternoon...east winds 5 to 15 knots. waves calm to
2 feet. 
.tonight...southeast winds 5 to 15 knots becoming south 10 to
20 knots after midnight. patchy fog. waves calm to 2 feet. 
.friday...south winds 15 to 25 knots diminishing to 10 to
20 knots in the afternoon. patchy fog through early afternoon.
waves building to 1 to 3 feet. 
.friday night...south winds 15 to 25 knots. waves 1 to 3 feet. 
.saturday...south 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. 
.saturday night...south winds 20 to 30 knots becoming southwest
15 to 25 knots after midnight. a chance of showers. waves
building to 3 to 6 feet occasionally to 8 feet, then subsiding to
2 to 4 feet. 
.sunday...west winds 10 to 20 knots. waves 2 to 4 feet. 
.sunday night...northwest winds 15 to 25 knots becoming north
10 to 20 knots after midnight. waves 2 to 4 feet. 
.monday...north winds 10 to 20 knots veering northeast. waves
subsiding to calm to 2 feet. 
.tuesday...east winds 5 to 15 knots becoming south 10 to
20 knots. waves calm to 2 feet. 

$$