fzus63 kdtx 070137
glflh 
expires:202610070945;;655964

open lake forecast for lake huron
national weather service detroit/pontiac mi
937 pm edt tue oct 6 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...low pressure, 29.40 inches, sliding over northern
ontario results in stronger southwest winds through tuesday night
before the attendant cold front arrives wednesday. persistent
influence of james bay low pressure maintains moderate
northwesterly winds through thursday.


lhz361-070945-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
937 pm edt tue oct 6 2026

.rest of tonight...southwest winds 15 to 20 knots decreasing to
10 to 15 knots early in the morning. waves 3 to 5 feet. 
.wednesday...west winds 10 to 15 knots. waves 2 to 4 feet. 
.wednesday night...west winds 10 to 15 knots increasing to 15 to
20 knots after midnight. a chance of rain in the evening. waves
1 to 3 feet building to 3 to 5 feet after midnight. 
.thursday...northwest winds 15 to 20 knots. gusts to 30 knots in
the late morning and afternoon. a chance of rain in the
afternoon. waves 4 to 6 feet. waves occasionally around 8 feet. 
.thursday night...west winds 15 to 20 knots with gusts to around
30 knots becoming northwest 10 to 15 knots in the late evening
and overnight. waves 3 to 5 feet subsiding to 1 to 3 feet after
midnight. 
.friday...west winds 5 to 10 knots backing to the south late in
the evening. waves 2 feet or less. 
.saturday...south winds 10 to 15 knots increasing to 15 to
20 knots by midnight. waves 1 to 3 feet building to 2 to 4 feet. 
.sunday...southwest winds 10 to 15 knots decreasing to 5 to
10 knots early in the evening...then increasing to 10 to 15 knots
by midnight. waves 2 to 4 feet subsiding to 1 to 3 feet. 


$$

fzus63 kdtx 070137
glflh 
expires:202610070945;;655965

open lake forecast for lake huron
national weather service detroit/pontiac mi
937 pm edt tue oct 6 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...low pressure, 29.40 inches, sliding over northern
ontario results in stronger southwest winds through tuesday night
before the attendant cold front arrives wednesday. persistent
influence of james bay low pressure maintains moderate
northwesterly winds through thursday.


lhz362-363-070945-
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-
937 pm edt tue oct 6 2026

.rest of tonight...southwest winds 20 to 25 knots with gusts to
around 30 knots. waves 6 to 9 feet. waves occasionally around
12 feet. 
.wednesday...southwest winds 15 to 20 knots with gusts to around
30 knots becoming west 5 to 10 knots. waves 6 to 9 feet subsiding
to 2 to 4 feet in the afternoon. waves occasionally around
12 feet. 
.wednesday night...west winds 10 to 15 knots increasing to 15 to
20 knots after midnight. a chance of rain after midnight. waves
2 to 4 feet building to 3 to 5 feet after midnight. 
.thursday...northwest winds 15 to 20 knots. gusts to 30 knots
early in the afternoon. waves 4 to 6 feet. 
.thursday night...northwest winds 15 to 20 knots decreasing to
10 to 15 knots in the late evening and overnight. waves 4 to
6 feet. waves occasionally around 8 feet. 
.friday...west winds 10 to 15 knots becoming southwest 5 to
10 knots late in the morning...then backing to the south late in
the evening. waves 1 to 3 feet. 
.saturday...south winds 10 to 15 knots increasing to 15 to
20 knots with gusts to around 30 knots. waves 2 to 4 feet
building to 4 to 6 feet. waves occasionally around 8 feet. 
.sunday...south winds 15 to 20 knots decreasing to 10 to 15 knots
. waves 3 to 5 feet. 


$$

fzus63 kdtx 070137
glflh 
expires:202610070945;;655966

open lake forecast for lake huron
national weather service detroit/pontiac mi
937 pm edt tue oct 6 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...low pressure, 29.40 inches, sliding over northern
ontario results in stronger southwest winds through tuesday night
before the attendant cold front arrives wednesday. persistent
influence of james bay low pressure maintains moderate
northwesterly winds through thursday.


lhz462>464-070945-
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-
937 pm edt tue oct 6 2026

.rest of tonight...south winds 20 to 25 knots with gusts to
around 30 knots. waves 5 to 7 feet. waves occasionally around
10 feet. 
.wednesday...southwest winds 15 to 20 knots becoming west 10 to
15 knots in the afternoon. waves 4 to 6 feet subsiding to 1 to
3 feet. waves occasionally around 8 feet. 
.wednesday night...west winds 10 to 15 knots increasing to 15 to
20 knots after midnight. waves 1 to 3 feet building to 2 to
4 feet after midnight. 
.thursday...west winds 15 to 20 knots decreasing to 10 to
15 knots early in the afternoon. waves 3 to 5 feet. 
.thursday night...northwest winds 15 to 20 knots decreasing to
10 to 15 knots in the late evening and overnight. waves 3 to
5 feet. 
.friday...west winds 10 to 15 knots decreasing to 5 to 10 knots
late in the morning...then becoming south 10 to 15 knots late in
the evening. waves 1 to 3 feet. 
.saturday...south winds 10 to 15 knots increasing to 15 to
20 knots. waves 2 to 4 feet building to 3 to 5 feet. 
.sunday...south winds 10 to 15 knots. waves 2 to 4 feet. 


$$

fzus63 kmkx 070316 aaa
glflm 
expires:202610070930;;658954

open lake forecast for lake michigan...updated
national weather service milwaukee/sullivan wi
1016 pm cdt tue oct 6 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...

gusty south southwest winds are a result of low pressure around 
29.4 inches tracking across northern ontario. a cold front 
extending southward from this low will move across the lake 
overnight into wednesday morning. this will turn winds briefly to 
the northwest wednesday morning, before becoming west by the 
afternoon. 

west to northwest winds will settle across the lake wednesday 
night into thursday, as high pressure around 30.1 inches moves 
into the northern plains. winds will once again become southerly 
later friday into friday night, as the high departs the upper 
great lakes and low pressure around 29.2 inches approaches from 
the northern plains.


lmz080-669-671-673-675-777-779-870-872-874-876-878-070930-
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-
1016 pm cdt tue oct 6 2026

sheboygan wi to pentwater mi south...

.rest of tonight...southwest winds to 30 kt becoming west 15 to
25 kt. waves 7 to 10 ft occasionally to 13 ft. 
.wednesday...west winds 10 to 20 kt. waves 4 to 7 ft occasionally
to 9 ft subsiding to 3 to 5 ft. 
.wednesday night...west winds 15 to 25 kt becoming northwest.
waves 2 to 4 ft building to 4 to 6 ft occasionally to 8 ft.
.thursday...northwest winds 15 to 25 kt. waves 4 to 7 ft
occasionally to 9 ft. 
.thursday night...northwest winds 10 to 20 kt becoming west 10 to
15 kt. waves 3 to 5 ft. 
.friday...west winds 10 to 20 kt becoming southwest. waves 1 to
3 ft building to 3 to 5 ft. 
.friday night...south winds 10 to 20 kt increasing to 15 to
25 kt. waves 4 to 6 ft occasionally to 8 ft building to 4 to 7 ft
occasionally to 9 ft. 
.saturday...south winds to 30 kt increasing to gales to 35 kt.
waves 7 to 10 ft occasionally to 13 ft. 
.sunday...south winds 15 to 25 kt. waves 4 to 7 ft occasionally
to 9 ft.  

$$

fzus63 kmkx 070316 aaa
glflm 
expires:202610070930;;658953

open lake forecast for lake michigan...updated
national weather service milwaukee/sullivan wi
1016 pm cdt tue oct 6 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...

gusty south southwest winds are a result of low pressure around 
29.4 inches tracking across northern ontario. a cold front 
extending southward from this low will move across the lake 
overnight into wednesday morning. this will turn winds briefly to 
the northwest wednesday morning, before becoming west by the 
afternoon. 

west to northwest winds will settle across the lake wednesday 
night into thursday, as high pressure around 30.1 inches moves 
into the northern plains. winds will once again become southerly 
later friday into friday night, as the high departs the upper 
great lakes and low pressure around 29.2 inches approaches from 
the northern plains.


lmz261-362-364-366-563-565-567-868-070930-
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-
1016 pm cdt tue oct 6 2026

sheboygan wi to pentwater mi north...

.rest of tonight...southwest winds to 30 kt, then becoming west 
10 to 20 kt late. waves 7 to 10 ft occasionally to 13 ft subsiding
to 6 to 9 ft occasionally to 12 ft. 
.wednesday...northwest winds 10 to 20 kt becoming southwest 15 to
25 kt. slight chance of showers in the afternoon. waves 4 to 6 ft
occasionally to 8 ft subsiding to 2 to 4 ft. 
.wednesday night...west winds 15 to 25 kt becoming northwest.
waves 3 to 5 ft. 
.thursday...northwest winds 15 to 25 kt. waves 3 to 5 ft. 
.thursday night...northwest winds 10 to 20 kt becoming west 10 to
15 kt. waves 2 to 4 ft. 
.friday...west winds 10 to 20 kt increasing to 15 to 25 kt. waves
1 to 2 ft building to 2 to 4 ft. 
.friday night...south winds 10 to 20 kt increasing to 15 to
25 kt. waves 3 to 5 ft building to 4 to 7 ft occasionally to
9 ft. 
.saturday...south winds to 30 kt increasing to gales to 35 kt.
waves 7 to 10 ft occasionally to 13 ft. 
.sunday...southwest winds to 30 kt. waves 5 to 8 ft occasionally
to 10 ft subsiding to 4 to 7 ft occasionally to 9 ft.  

$$

fzus63 kmkx 070209
glflm 
expires:202610070915;;656596

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
909 pm cdt tue oct 6 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...

southerly gales over the northern half of lake michigan are 
expected to drop below gale force by later this evening. the 
gusty winds are a result of low pressure around 29.4 inches 
tracking across northern ontario. a cold front extending southward
from this low will move across the lake overnight into wednesday 
morning. this will turn winds briefly to the northwest wednesday 
morning, before becoming west by the afternoon. 

west to northwest winds will settle across the lake wednesday 
night into thursday, as high pressure around 30.1 inches moves 
into the northern plains. winds will once again become southerly 
later friday into friday night, as the high departs the upper 
great lakes and low pressure around 29.2 inches approaches from 
the northern plains.


lmz080-671-673-675-777-779-872-874-876-878-070915-
lake michigan from michigan city in to st. joseph mi 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 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 tue oct 6 2026

port washington wi to whitehall mi south...

.rest of tonight...southwest winds to 30 kt diminishing to 15 to
25 kt. waves 6 to 9 ft occasionally to 12 ft. 
.wednesday...west winds 10 to 20 kt diminishing to 10 to 15 kt.
waves 4 to 7 ft occasionally to 9 ft subsiding to 3 to 5 ft. 
.wednesday night...west winds 10 to 20 kt becoming northwest
15 to 25 kt. waves 2 to 4 ft building to 4 to 6 ft occasionally
to 8 ft. 
.thursday...northwest winds 15 to 25 kt diminishing to 10 to
20 kt. waves 4 to 7 ft occasionally to 9 ft. 
.thursday night...northwest winds 10 to 20 kt becoming west 10 to
15 kt. waves 3 to 5 ft. 
.friday...west winds 10 to 20 kt becoming southwest. waves 1 to
3 ft building to 3 to 5 ft. 
.friday night...south winds 10 to 20 kt increasing to 15 to
25 kt. waves 3 to 5 ft building to 4 to 7 ft occasionally to
9 ft. 
.saturday...south winds to 30 kt. waves 6 to 9 ft occasionally to
12 ft. 
.sunday...south winds 10 to 20 kt. waves 4 to 6 ft occasionally
to 8 ft.  

$$

fzus63 kmkx 070209
glflm 
expires:202610070915;;656594

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
909 pm cdt tue oct 6 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...

southerly gales over the northern half of lake michigan are 
expected to drop below gale force by later this evening. the 
gusty winds are a result of low pressure around 29.4 inches 
tracking across northern ontario. a cold front extending southward
from this low will move across the lake overnight into wednesday 
morning. this will turn winds briefly to the northwest wednesday 
morning, before becoming west by the afternoon. 

west to northwest winds will settle across the lake wednesday 
night into thursday, as high pressure around 30.1 inches moves 
into the northern plains. winds will once again become southerly 
later friday into friday night, as the high departs the upper 
great lakes and low pressure around 29.2 inches approaches from 
the northern plains.


lmz261-362-364-563-070915-
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 rock island passage to sturgeon bay wi-
909 pm cdt tue oct 6 2026

sturgeon bay wi to point betsie mi north...

...gale warning in effect until 10 pm cdt this evening...

.rest of tonight...southwest gales to 40 kt becoming west to
30 kt after midnight, then becoming northwest 10 to 20 kt late.
waves 8 to 11 ft occasionally to 14 ft subsiding to 6 to 9 ft
occasionally to 12 ft. 
.wednesday...northwest winds 10 to 20 kt becoming southwest 15 to
25 kt. waves 3 to 5 ft subsiding to 1 to 3 ft. 
.wednesday night...west winds 10 to 20 kt becoming northwest
15 to 25 kt. waves 2 to 4 ft building to 3 to 5 ft. 
.thursday...northwest winds 15 to 25 kt. waves 3 to 5 ft. 
.thursday night...northwest winds 10 to 20 kt becoming west 10 to
15 kt. waves 2 to 4 ft subsiding to 1 to 2 ft. 
.friday...west winds 10 to 20 kt increasing to 15 to 25 kt. waves
1 to 2 ft. 
.friday night...south winds 10 to 20 kt. waves 2 to 4 ft building
to 4 to 6 ft occasionally to 8 ft. 
.saturday...south winds to 30 kt increasing to gales to 35 kt.
waves 7 to 10 ft occasionally to 13 ft. 
.sunday...southwest winds to 30 kt. waves 5 to 8 ft occasionally
to 10 ft subsiding to 4 to 7 ft occasionally to 9 ft.  

$$

fzus63 kmkx 070209
glflm 
expires:202610070915;;656595

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
909 pm cdt tue oct 6 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...

southerly gales over the northern half of lake michigan are 
expected to drop below gale force by later this evening. the 
gusty winds are a result of low pressure around 29.4 inches 
tracking across northern ontario. a cold front extending southward
from this low will move across the lake overnight into wednesday 
morning. this will turn winds briefly to the northwest wednesday 
morning, before becoming west by the afternoon. 

west to northwest winds will settle across the lake wednesday 
night into thursday, as high pressure around 30.1 inches moves 
into the northern plains. winds will once again become southerly 
later friday into friday night, as the high departs the upper 
great lakes and low pressure around 29.2 inches approaches from 
the northern plains.


lmz366-565-567-669-868-870-070915-
lake michigan from point betsie to manistee mi 5 nm offshore to
mid lake-
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 sheboygan to port washington wi 5 nm offshore
to mid lake-
lake michigan from pentwater to manistee mi 5 nm offshore to mid
lake-
lake michigan from whitehall to pentwater mi 5 nm offshore to mid
lake-
909 pm cdt tue oct 6 2026

sturgeon bay wi to point betsie mi south to port washington wi to
whitehall mi...

...gale warning in effect until 10 pm cdt this evening...

.rest of tonight...southwest gales to 35 kt late this evening,
becoming west 15 to 25 kt. waves 7 to 10 ft occasionally to 13 
ft subsiding to 6 to 9 ft occasionally to 12 ft. 
.wednesday...northwest winds 10 to 20 kt becoming west. waves
4 to 7 ft occasionally to 9 ft subsiding to 1 to 3 ft. 
.wednesday night...west winds 15 to 25 kt becoming northwest.
waves 2 to 4 ft building to 4 to 6 ft occasionally to 8 ft.
.thursday...northwest winds 15 to 25 kt. waves 4 to 6 ft
occasionally to 8 ft. 
.thursday night...northwest winds 10 to 20 kt becoming west 10 to
15 kt. waves 2 to 4 ft. 
.friday...west winds 10 to 20 kt becoming southwest. waves 1 to
3 ft building to 3 to 5 ft. 
.friday night...south winds 10 to 20 kt increasing to 15 to
25 kt. waves 4 to 6 ft occasionally to 8 ft building to 4 to 7 ft
occasionally to 9 ft. 
.saturday...south winds to 30 kt increasing to gales to 35 kt.
waves 7 to 10 ft occasionally to 13 ft. 
.sunday...south winds 15 to 25 kt. waves 4 to 7 ft occasionally
to 9 ft.  

$$

fzus63 kmqt 070201
glfls 
expires:202610070800;;656299

open lake forecast for lake superior
national weather service marquette mi
1001 pm edt tue oct 6 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 weakens to 29.7 inches tonight as the associated low 
tracks eastward across northeast ontario, persisting through 
tomorrow. high pressure then builds in from the canadian prairies 
and northern plains late in the work week, with 30.0 inch ridging 
over lake superior on thursday strengthening to 30.1 inches on 
friday. a 29.4 inch clipper low then develops off the northern 
rockies late friday and extends a 29.6 to 29.8 inch trough into the 
upper great lakes by saturday.




lsz264-070800-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1001 pm edt tue oct 6 2026

.rest of tonight...west winds 10 to 20 knots. waves 2 to 4 feet. 
.wednesday...west winds 15 to 25 knots increasing to 20 to
30 knots in the afternoon. a chance of showers. waves building to
3 to 6 feet occasionally to 8 feet. 
.wednesday night...northwest winds 20 to 30 knots. a slight
chance of showers through midnight. waves subsiding to 3 to
6 feet occasionally to 8 feet. 
.thursday...northwest winds 20 to 30 knots. waves subsiding to
2 to 4 feet. 
.thursday night...northwest winds 10 to 20 knots diminishing to
5 to 15 knots after midnight. waves subsiding to calm to 2 feet. 
.friday...west winds 5 to 15 knots backing southwest by mid
afternoon. waves calm to 2 feet. 
.friday night...southeast winds 10 to 20 knots increasing to
15 to 25 knots after midnight. waves building to 2 to 4 feet. 
.saturday...southeast winds 20 to 30 knots becoming southwest
gales to 35 knots. waves building to 3 to 6 feet occasionally to
8 feet. 
.sunday...west winds 20 to 30 knots becoming northeast 15 to
25 knots. a chance of showers. waves subsiding to 2 to 4 feet,
then building to 3 to 5 feet occasionally to 7 feet. 

$$

fzus63 kmqt 070201
glfls 
expires:202610070800;;656300

open lake forecast for lake superior
national weather service marquette mi
1001 pm edt tue oct 6 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 weakens to 29.7 inches tonight as the associated low 
tracks eastward across northeast ontario, persisting through 
tomorrow. high pressure then builds in from the canadian prairies 
and northern plains late in the work week, with 30.0 inch ridging 
over lake superior on thursday strengthening to 30.1 inches on 
friday. a 29.4 inch clipper low then develops off the northern 
rockies late friday and extends a 29.6 to 29.8 inch trough into the 
upper great lakes by saturday.




lsz265-070800-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1001 pm edt tue oct 6 2026

.rest of tonight...west winds 15 to 25 knots increasing to 20 to
30 knots after midnight. waves 1 to 3 feet building to 2 to
4 feet. 
.wednesday...west winds 20 to 30 knots increasing to 30 knots
with a few gale force gusts to 35 knots possible in the
afternoon. a slight chance of showers by mid afternoon. waves
building to 3 to 6 feet occasionally to 8 feet. 
.wednesday night...northwest winds to 30 knots with a few gale
force gusts to 35 knots possible. a slight chance of
thunderstorms through midnight. a slight chance of showers. waves
building to 4 to 7 feet occasionally to 9 feet. 
.thursday...northwest gales to 35 knots diminishing to 20 to
30 knots by mid afternoon. a slight chance of showers through
early afternoon. waves building to 5 to 8 feet occasionally to
10 feet, then subsiding to 3 to 5 feet occasionally to 7 feet. 
.thursday night...west winds 15 to 25 knots diminishing to 10 to
20 knots after midnight. waves subsiding to calm to 2 feet. 
.friday...west winds 10 to 20 knots backing southeast by mid
afternoon. waves calm to 2 feet. 
.friday night...southeast winds 15 to 25 knots. waves building to
2 to 4 feet. 
.saturday...south gales to 35 knots becoming southwest gales to
40 knots. waves building to 3 to 6 feet occasionally to 8 feet. 
.sunday...west winds 20 to 30 knots veering north. waves
subsiding to 1 to 3 feet, then building to 3 to 5 feet
occasionally to 7 feet. 

$$

fzus63 kmqt 070201
glfls 
expires:202610070800;;656301

open lake forecast for lake superior
national weather service marquette mi
1001 pm edt tue oct 6 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 weakens to 29.7 inches tonight as the associated low 
tracks eastward across northeast ontario, persisting through 
tomorrow. high pressure then builds in from the canadian prairies 
and northern plains late in the work week, with 30.0 inch ridging 
over lake superior on thursday strengthening to 30.1 inches on 
friday. a 29.4 inch clipper low then develops off the northern 
rockies late friday and extends a 29.6 to 29.8 inch trough into the 
upper great lakes by saturday.




lsz266-070800-
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 pm edt tue oct 6 2026

.rest of tonight...west winds 15 to 25 knots becoming northwest
20 to 30 knots late. waves 2 to 4 feet building to 3 to 5 feet
occasionally to 7 feet. 
.wednesday...west winds 20 to 30 knots. a slight chance of
showers. waves building to 3 to 6 feet occasionally to 8 feet. 
.wednesday night...northwest winds 20 to 30 knots increasing to
30 knots with a few gale force gusts to 35 knots possible late. a
slight chance of thunderstorms through midnight. a chance of
showers. waves building to 5 to 8 feet occasionally to 10 feet. 
.thursday...northwest winds 20 to 30 knots. a chance of showers.
waves building to 5 to 9 feet occasionally to 11 feet. 
.thursday night...northwest winds 15 to 25 knots becoming west
10 to 20 knots after midnight. a slight chance of showers through
midnight. waves subsiding to 1 to 3 feet. 
.friday...west winds 10 to 20 knots diminishing to 5 to 15 knots
by mid afternoon. waves subsiding to calm to 2 feet. 
.friday night...southeast winds 10 to 20 knots increasing to
15 to 25 knots after midnight. waves building to 2 to 4 feet. 
.saturday...south gales to 40 knots. waves building to 4 to
7 feet occasionally to 9 feet, then subsiding to 3 to 6 feet
occasionally to 8 feet. 
.sunday...southwest winds 20 to 30 knots veering north. waves
subsiding to 3 to 6 feet occasionally to 8 feet. 

$$

fzus63 kmqt 070201
glfls 
expires:202610070800;;656302

open lake forecast for lake superior
national weather service marquette mi
1001 pm edt tue oct 6 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 weakens to 29.7 inches tonight as the associated low 
tracks eastward across northeast ontario, persisting through 
tomorrow. high pressure then builds in from the canadian prairies 
and northern plains late in the work week, with 30.0 inch ridging 
over lake superior on thursday strengthening to 30.1 inches on 
friday. a 29.4 inch clipper low then develops off the northern 
rockies late friday and extends a 29.6 to 29.8 inch trough into the 
upper great lakes by saturday.




lsz267-070800-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1001 pm edt tue oct 6 2026

.rest of tonight...southwest winds 15 to 25 knots veering
northwest late. waves 2 to 4 feet subsiding to 1 to 3 feet, then
building to 3 to 5 feet occasionally to 7 feet. 
.wednesday...northwest winds 15 to 25 knots becoming west 20 to
30 knots in the afternoon. a slight chance of showers by mid
afternoon. waves building to 4 to 7 feet occasionally to 9 feet,
then subsiding to 3 to 6 feet occasionally to 8 feet. 
.wednesday night...west winds 20 to 30 knots veering northwest
after midnight. a slight chance of thunderstorms through
midnight. a chance of showers. waves building to 5 to 8 feet
occasionally to 10 feet. 
.thursday...northwest gales to 35 knots diminishing to 20 to
30 knots by mid afternoon. a chance of showers. waves building to
6 to 10 feet occasionally to 13 feet. 
.thursday night...northwest winds 15 to 25 knots becoming west
10 to 20 knots after midnight. a chance of showers. waves
subsiding to 2 to 4 feet. 
.friday...west winds 10 to 20 knots. waves subsiding to calm to
2 feet. 
.friday night...southeast winds 10 to 20 knots increasing to
15 to 25 knots after midnight. waves building to 2 to 4 feet. 
.saturday...south gales to 35 knots diminishing to 20 to
30 knots. waves building to 4 to 7 feet occasionally to 9 feet,
then subsiding to 3 to 6 feet occasionally to 8 feet. 
.sunday...southwest winds 15 to 25 knots backing northeast. waves
subsiding to 3 to 6 feet occasionally to 8 feet. 

$$

fzus63 kmqt 070201
glfls 
expires:202610070800;;656297

open lake forecast for lake superior
national weather service marquette mi
1001 pm edt tue oct 6 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 weakens to 29.7 inches tonight as the associated low 
tracks eastward across northeast ontario, persisting through 
tomorrow. high pressure then builds in from the canadian prairies 
and northern plains late in the work week, with 30.0 inch ridging 
over lake superior on thursday strengthening to 30.1 inches on 
friday. a 29.4 inch clipper low then develops off the northern 
rockies late friday and extends a 29.6 to 29.8 inch trough into the 
upper great lakes by saturday.




lsz162-070800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1001 pm edt tue oct 6 2026 /901 pm cdt tue oct 6 2026/

.rest of tonight...west winds 10 to 20 knots. waves 1 to 3 feet
subsiding to calm to 2 feet. 
.wednesday...west winds 10 to 20 knots increasing to 20 to
30 knots in the afternoon. a slight chance of showers by mid
afternoon. waves building to 2 to 4 feet, then subsiding to 1 to
3 feet. 
.wednesday night...west winds 15 to 25 knots veering northwest
after midnight. waves subsiding to calm to 2 feet, then building
to 1 to 3 feet. 
.thursday...west winds 15 to 25 knots diminishing to 10 to
20 knots by mid afternoon. waves subsiding to calm to 2 feet. 
.thursday night...west winds 5 to 15 knots. waves calm to 2 feet.
.friday...southwest winds 5 to 15 knots backing east by mid
afternoon. waves calm to 2 feet. 
.friday night...east winds 10 to 20 knots veering southeast after
midnight. waves building to 1 to 3 feet. 
.saturday...south winds 20 to 30 knots becoming southwest gales
to 35 knots. waves building to 3 to 5 feet occasionally to
7 feet. 
.sunday...west winds 15 to 25 knots veering northeast. a chance
of showers. waves subsiding to 1 to 3 feet, then building to 3 to
5 feet occasionally to 7 feet. 

$$

fzus63 kmqt 070201
glfls 
expires:202610070800;;656298

open lake forecast for lake superior
national weather service marquette mi
1001 pm edt tue oct 6 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 weakens to 29.7 inches tonight as the associated low 
tracks eastward across northeast ontario, persisting through 
tomorrow. high pressure then builds in from the canadian prairies 
and northern plains late in the work week, with 30.0 inch ridging 
over lake superior on thursday strengthening to 30.1 inches on 
friday. a 29.4 inch clipper low then develops off the northern 
rockies late friday and extends a 29.6 to 29.8 inch trough into the 
upper great lakes by saturday.




lsz263-070800-
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 pm edt tue oct 6 2026

.rest of tonight...west winds 10 to 20 knots. waves 1 to 3 feet
building to 2 to 4 feet, then subsiding to 1 to 3 feet. 
.wednesday...west winds 15 to 25 knots increasing to 20 to
30 knots in the afternoon. a slight chance of showers. waves
building to 3 to 6 feet occasionally to 8 feet. 
.wednesday night...northwest winds 15 to 25 knots. a slight
chance of showers through midnight. waves 3 to 5 feet
occasionally to 7 feet. 
.thursday...northwest winds 15 to 25 knots backing west by mid
afternoon. waves subsiding to 2 to 4 feet. 
.thursday night...west winds 10 to 20 knots diminishing to 5 to
15 knots after midnight. waves subsiding to calm to 2 feet. 
.friday...west winds 5 to 15 knots backing southeast by mid
afternoon. waves calm to 2 feet. 
.friday night...southeast winds 10 to 20 knots. waves building to
1 to 3 feet. 
.saturday...south winds 20 to 30 knots becoming southwest gales
to 35 knots. waves building to 3 to 6 feet occasionally to
8 feet. 
.sunday...west winds 20 to 30 knots becoming northeast 15 to
25 knots. a chance of showers. waves subsiding to 2 to 4 feet,
then building to 3 to 6 feet occasionally to 8 feet. 

$$