fzus63 kdtx 220732
glflh 
expires:202610221545;;982465

open lake forecast for lake huron
national weather service detroit/pontiac mi
332 am 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 over the area
today. this high migrates toward southern quebec by friday then
sinks southward to new england this weekend.


lhz363-462>464-221545-
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-
332 am edt thu oct 22 2026

.today...north winds 5 to 10 knots. waves 2 feet or less. 
.tonight...northeast winds 5 to 10 knots veering to the east
early in the morning. waves 1 to 3 feet. 
.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 1 to 3 feet. 
.saturday...southeast winds 5 to 10 knots becoming south 10 to
15 knots late in the afternoon. waves 1 to 3 feet building to
2 to 4 feet late in the evening. 
.sunday...south winds 10 to 15 knots decreasing to 5 to 10 knots
. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.monday...northwest winds 5 to 10 knots becoming 10 to 15 knots .
waves 1 to 3 feet building to 2 to 4 feet by midnight. 


$$

fzus63 kdtx 220732
glflh 
expires:202610221545;;982464

open lake forecast for lake huron
national weather service detroit/pontiac mi
332 am 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 over the area
today. this high migrates toward southern quebec by friday then
sinks southward to new england this weekend.


lhz361-362-221545-
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-
332 am edt thu oct 22 2026

.today...north winds 5 to 10 knots until late afternoon becoming
light and variable. patchy fog in the morning. waves 2 feet or
less. 
.tonight...light and variable winds becoming east 5 to 10 knots
after midnight. 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. waves 1 to 3 feet.
.saturday...south winds 5 to 10 knots increasing to 10 to
15 knots. waves 1 to 3 feet building to 2 to 4 feet late in the
evening. 
.sunday...south winds 10 to 15 knots decreasing to 5 to 10 knots
early in the evening...then veering to the west by midnight.
waves 2 to 4 feet subsiding to 1 to 3 feet . 
.monday...north winds 5 to 10 knots increasing to 10 to 15 knots
by midnight. waves 1 to 3 feet. 


$$

fzus63 kmkx 220209
glflm 
expires:202610220915;;969058

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
909 pm cdt wed oct 21 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...

high pressure of 30.3 inches centered just north of the western 
great lakes this evening will gradually shift eastward through 
friday, while strengthening to 30.5 inches over the eastern great
lakes. light winds will continue through thursday, increasing a 
bit out of the south on friday behind the strengthening high. 
southerly winds will then persist through the weekend between the
high to the east and a trough to the northwest. 

patchy fog is possible tonight into early thursday under the light
winds, with fog then less likely friday into the weekend as the
southerly winds develop. 


lmz080-669-671-673-675-777-779-870-872-874-876-878-220915-
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-
909 pm cdt wed oct 21 2026

sheboygan wi to pentwater mi south...

.rest of tonight...south winds 5 to 10 kt veering to northwest.
waves 1 ft or less. 
.thursday...northeast winds 5 to 10 kt. waves 1 ft or less. 
.thursday night...northeast winds 5 to 10 kt veering to
southeast. waves 1 to 2 ft. 
.friday...southeast winds 10 to 15 kt. waves 1 to 3 ft. 
.friday night...southeast winds 10 to 15 kt increasing to 10 to
20 kt. waves 1 to 3 ft building to 2 to 4 ft. 
.saturday...south winds 15 to 25 kt increasing to 30 kt. waves
4 to 6 ft occasionally to 8 ft building to 4 to 7 ft occasionally
to 9 ft. 
.saturday night...south winds 15 to 25 kt diminishing to 10 to
20 kt. waves 4 to 7 ft occasionally to 9 ft subsiding to 3 to
5 ft. 
.sunday...south winds 10 to 20 kt. waves 3 to 5 ft. 
.monday...north winds 10 to 20 kt increasing to 15 to 25 kt.
waves 4 to 6 ft occasionally to 8 ft.  

$$

fzus63 kmkx 220209
glflm 
expires:202610220915;;969057

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
909 pm cdt wed oct 21 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...

high pressure of 30.3 inches centered just north of the western 
great lakes this evening will gradually shift eastward through 
friday, while strengthening to 30.5 inches over the eastern great
lakes. light winds will continue through thursday, increasing a 
bit out of the south on friday behind the strengthening high. 
southerly winds will then persist through the weekend between the
high to the east and a trough to the northwest. 

patchy fog is possible tonight into early thursday under the light
winds, with fog then less likely friday into the weekend as the
southerly winds develop. 


lmz261-362-364-366-563-565-567-868-220915-
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-
909 pm cdt wed oct 21 2026

sheboygan wi to pentwater mi north...

.rest of tonight...west winds less than 10 kt veering to
northeast. waves 1 to 2 ft. 
.thursday...northeast winds 5 to 10 kt. patchy fog in the
morning, then patchy dense fog in the afternoon. waves 1 ft or
less. 
.thursday night...northeast winds 5 to 10 kt veering to
southeast. waves 1 to 2 ft. 
.friday...south winds 10 to 15 kt. waves 1 to 3 ft. 
.friday night...south winds 10 to 15 kt increasing to 10 to
20 kt. waves 2 to 4 ft. 
.saturday...south winds 15 to 25 kt increasing to 30 kt. waves
4 to 6 ft occasionally to 8 ft building to 4 to 7 ft occasionally
to 9 ft. 
.saturday night...south winds to 30 kt. waves 4 to 7 ft
occasionally to 9 ft. 
.sunday...southwest winds to 30 kt diminishing to 10 to 20 kt.
waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to 5 ft. 
.monday...north winds 10 to 20 kt. waves 3 to 5 ft.  

$$

fzus63 kmqt 220801
glfls 
expires:202610222000;;983260

open lake forecast for lake superior
national weather service marquette mi
400 am 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...

30.3 inch high pressure becomes centered over northern ontario and 
the upper great lakes this morning. by friday afternoon, the high 
builds to 30.5 inches over southern quebec as a 29.5 inch low moves 
into eastern montana. by saturday afternoon, the high continues into 
new england as the low lifts north of lake winnipeg into northern 
manitoba, strengthening to 29.2 inches by saturday evening. the low 
then lifts northeast to 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.




lsz265-222000-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
400 am edt thu oct 22 2026

...dense fog advisory in effect until 11 am edt this morning...

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

$$

fzus63 kmqt 220801
glfls 
expires:202610222000;;983261

open lake forecast for lake superior
national weather service marquette mi
400 am 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...

30.3 inch high pressure becomes centered over northern ontario and 
the upper great lakes this morning. by friday afternoon, the high 
builds to 30.5 inches over southern quebec as a 29.5 inch low moves 
into eastern montana. by saturday afternoon, the high continues into 
new england as the low lifts north of lake winnipeg into northern 
manitoba, strengthening to 29.2 inches by saturday evening. the low 
then lifts northeast to 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.




lsz266-222000-
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-
400 am edt thu oct 22 2026

...dense fog advisory in effect until 11 am edt this morning...

.early this morning...northeast winds 5 to 15 knots. areas of
dense fog. waves calm to 2 feet. 
.today...east winds 5 to 15 knots. patchy fog through early
afternoon. waves calm to 2 feet. 
.tonight...southeast winds 5 to 15 knots becoming south 10 to
20 knots after midnight. patchy fog after midnight. waves
building to 1 to 3 feet. 
.friday...south winds 15 to 25 knots diminishing to 10 to
20 knots in the 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 5 to 8 feet
occasionally to 10 feet. 
.saturday night...south winds 20 to 30 knots becoming southwest
15 to 25 knots after midnight. a chance of showers. waves
subsiding to 3 to 5 feet occasionally to 7 feet. 
.sunday...northwest winds 15 to 25 knots becoming north 10 to
20 knots. a chance of showers. waves subsiding to 1 to 3 feet. 
.monday...north winds 10 to 20 knots veering northeast. waves
subsiding to calm to 2 feet. 

$$

fzus63 kmqt 220801
glfls 
expires:202610222000;;983262

open lake forecast for lake superior
national weather service marquette mi
400 am 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...

30.3 inch high pressure becomes centered over northern ontario and 
the upper great lakes this morning. by friday afternoon, the high 
builds to 30.5 inches over southern quebec as a 29.5 inch low moves 
into eastern montana. by saturday afternoon, the high continues into 
new england as the low lifts north of lake winnipeg into northern 
manitoba, strengthening to 29.2 inches by saturday evening. the low 
then lifts northeast to 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.




lsz267-222000-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
400 am edt thu oct 22 2026

.early this morning...northeast winds 5 to 15 knots. patchy fog.
waves calm to 2 feet. 
.today...northeast winds 5 to 15 knots veering east in the
afternoon. patchy fog through early afternoon. waves calm to
2 feet. 
.tonight...east winds 5 to 15 knots becoming south 10 to 20 knots
after midnight. waves calm to 2 feet. 
.friday...south winds 10 to 20 knots backing southeast late.
waves building to 1 to 3 feet. 
.friday night...south winds 15 to 25 knots diminishing to 10 to
20 knots after midnight. 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 6 feet
occasionally to 8 feet. 
.saturday night...south winds 20 to 30 knots becoming southwest
15 to 25 knots after midnight. a chance of showers. waves
subsiding to 3 to 5 feet occasionally to 7 feet. 
.sunday...west winds 15 to 25 knots becoming north 10 to
20 knots. a chance of showers. waves subsiding to 1 to 3 feet,
then building to 2 to 4 feet. 
.monday...north winds 10 to 20 knots veering northeast. waves
subsiding to calm to 2 feet. 

$$

fzus63 kmqt 220801
glfls 
expires:202610222000;;983257

open lake forecast for lake superior
national weather service marquette mi
400 am 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...

30.3 inch high pressure becomes centered over northern ontario and 
the upper great lakes this morning. by friday afternoon, the high 
builds to 30.5 inches over southern quebec as a 29.5 inch low moves 
into eastern montana. by saturday afternoon, the high continues into 
new england as the low lifts north of lake winnipeg into northern 
manitoba, strengthening to 29.2 inches by saturday evening. the low 
then lifts northeast to 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.




lsz162-222000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 am edt thu oct 22 2026 /300 am cdt thu oct 22 2026/

.early this morning...northeast winds 5 to 15 knots. waves calm
to 2 feet. 
.today...east winds 5 to 15 knots. patchy fog. waves calm to
2 feet. 
.tonight...northeast winds 5 to 15 knots. patchy fog. waves calm
to 2 feet. 
.friday...east winds 5 to 15 knots. waves calm to 2 feet. 
.friday night...east winds 5 to 15 knots becoming south 10 to
20 knots after midnight. a slight chance of showers. waves
building to 2 to 4 feet. 
.saturday...south winds 15 to 25 knots veering southwest by mid
afternoon. a chance of showers by mid afternoon. waves building
to 3 to 5 feet occasionally to 7 feet. 
.saturday night...west winds 10 to 20 knots. waves subsiding to
calm to 2 feet. 
.sunday...west winds 5 to 15 knots veering north. waves calm to
2 feet. 
.monday...northeast winds 10 to 20 knots. waves calm to 2 feet. 

$$

fzus63 kmqt 220801
glfls 
expires:202610222000;;983258

open lake forecast for lake superior
national weather service marquette mi
400 am 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...

30.3 inch high pressure becomes centered over northern ontario and 
the upper great lakes this morning. by friday afternoon, the high 
builds to 30.5 inches over southern quebec as a 29.5 inch low moves 
into eastern montana. by saturday afternoon, the high continues into 
new england as the low lifts north of lake winnipeg into northern 
manitoba, strengthening to 29.2 inches by saturday evening. the low 
then lifts northeast to 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.




lsz263-222000-
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-
400 am edt thu oct 22 2026

.early this morning...east winds less than 10 knots. patchy dense
fog. waves calm to 2 feet. 
.today...east winds less than 10 knots increasing to 5 to
15 knots in the afternoon. 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 southeast 5 to 15 knots
late. waves calm to 2 feet. 
.friday night...south winds 10 to 20 knots. waves building to
2 to 4 feet. 
.saturday...south winds 15 to 25 knots. 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 5 to 15 knots veering north. waves subsiding
to calm to 2 feet, then building to 1 to 3 feet. 
.monday...northeast winds 5 to 15 knots. waves subsiding to calm
to 2 feet. 

$$

fzus63 kmqt 220801
glfls 
expires:202610222000;;983259

open lake forecast for lake superior
national weather service marquette mi
400 am 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...

30.3 inch high pressure becomes centered over northern ontario and 
the upper great lakes this morning. by friday afternoon, the high 
builds to 30.5 inches over southern quebec as a 29.5 inch low moves 
into eastern montana. by saturday afternoon, the high continues into 
new england as the low lifts north of lake winnipeg into northern 
manitoba, strengthening to 29.2 inches by saturday evening. the low 
then lifts northeast to 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.




lsz264-222000-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
400 am edt thu oct 22 2026

...dense fog advisory in effect until 11 am edt this morning...

.early this morning...east winds less than 10 knots. areas of
dense fog. waves calm to 2 feet. 
.today...east winds less than 10 knots veering southeast in the
afternoon, then increasing to 5 to 15 knots late. areas of dense
fog through early afternoon, then patchy fog by mid afternoon.
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 dense fog through early afternoon. waves building to 1 to
3 feet. 
.friday night...south winds 5 to 15 knots increasing to 10 to
20 knots after midnight. waves building to 2 to 4 feet. 
.saturday...south winds 15 to 25 knots. waves building to 4 to
7 feet occasionally to 9 feet. 
.saturday night...southwest winds 10 to 20 knots becoming west
5 to 15 knots after midnight. a chance of showers through
midnight. waves subsiding to 3 to 5 feet occasionally to 7 feet. 
.sunday...west winds 10 to 20 knots becoming north 5 to 15 knots.
waves subsiding to calm to 2 feet, then building to 1 to 3 feet. 
.monday...north winds 5 to 15 knots veering northeast. waves
subsiding to calm to 2 feet. 

$$