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fzus63 kdtx 180303
glflh 
expires:202511181115;;596139

open lake forecast for lake huron
national weather service detroit/pontiac mi
1003 pm est mon nov 17 2025

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, 29.90 inches, tracks across the ohio
valley with precipitation expected to largely remain south of 
port huron. winds flip to the north-northeast tuesday night as 
high pressure, 30.20 inches, returns to the great lakes mid-week.


lhz361-362-181115-
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-
1003 pm est mon nov 17 2025

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


$$
fzus63 kdtx 180303
glflh 
expires:202511181115;;596140

open lake forecast for lake huron
national weather service detroit/pontiac mi
1003 pm est mon nov 17 2025

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, 29.90 inches, tracks across the ohio
valley with precipitation expected to largely remain south of 
port huron. winds flip to the north-northeast tuesday night as 
high pressure, 30.20 inches, returns to the great lakes mid-week.


lhz363-462-181115-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
lake huron from port austin to harbor beach beyond 5nm off shore-
1003 pm est mon nov 17 2025

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


$$
fzus63 kmkx 180300
glflm 
expires:202511181015;;595870

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
900 pm cst mon nov 17 2025

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...

low pressure of 29.7 inches over northeastern nebraska will
continue to move east tonight, bringing slowly increasing easterly
winds into tuesday morning. winds will become breezy and
northeasterly over the southern half of the lake as the low moves
into the ohio river valley tuesday evening. winds then ease 
wednesday as high pressure of 30.3 inches moves over the lake.
high pressure exits into thursday morning, with winds becoming
southwesterly as a low pressure system progresses eastward across
northern ontario. a cold front from that low pressure system will
shift winds to northwesterly overnight thursday into friday.


lmz261-362-364-366-563-565-567-868-181015-
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-
900 pm cst mon nov 17 2025

sheboygan wi to pentwater mi north...

.rest of tonight...north winds 10 to 15 kt diminishing to 5 to
10 kt. waves 1 to 3 ft subsiding to 1 ft or less. 
.tuesday...northeast winds 10 to 15 kt. chance of rain. waves
1 to 3 ft. 
.tuesday night...northeast winds 5 to 10 kt becoming north. waves
1 to 2 ft. 
.wednesday...south winds 5 to 10 kt becoming southwest. waves
1 ft or less. 
.wednesday night...south winds 10 to 15 kt becoming southwest.
waves 1 to 2 ft. 
.thursday...southwest winds 10 to 20 kt. chance of rain in the
morning, then rain likely in the afternoon. waves 2 to 4 ft. 
.thursday night...west winds 15 to 25 kt becoming northwest 10 to
20 kt. chance of rain. waves 2 to 4 ft. 
.friday...northwest winds 10 to 20 kt. waves 2 to 4 ft. 
.saturday...west winds 10 to 20 kt becoming southwest. waves 1 to
3 ft.  

$$
fzus63 kmkx 180300
glflm 
expires:202511181015;;595871

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
900 pm cst mon nov 17 2025

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...

low pressure of 29.7 inches over northeastern nebraska will
continue to move east tonight, bringing slowly increasing easterly
winds into tuesday morning. winds will become breezy and
northeasterly over the southern half of the lake as the low moves
into the ohio river valley tuesday evening. winds then ease 
wednesday as high pressure of 30.3 inches moves over the lake.
high pressure exits into thursday morning, with winds becoming
southwesterly as a low pressure system progresses eastward across
northern ontario. a cold front from that low pressure system will
shift winds to northwesterly overnight thursday into friday.


lmz080-669-671-673-675-777-779-870-872-874-876-878-181015-
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-
900 pm cst mon nov 17 2025

sheboygan wi to pentwater mi south...

.rest of tonight...northeast winds 5 to 10 kt becoming east late
this evening, then becoming southeast after midnight increasing
to 10 to 20 kt late. slight chance of rain through early evening,
then rain overnight. waves 1 to 3 ft. 
.tuesday...east winds 10 to 20 kt. rain in the morning, then
chance of rain in the afternoon. waves 4 to 6 ft occasionally to
8 ft. 
.tuesday night...east winds 10 to 20 kt diminishing to 10 to
15 kt. waves 3 to 5 ft subsiding to 2 to 4 ft. 
.wednesday...east winds 10 to 15 kt becoming southeast 5 to
10 kt. waves 2 to 4 ft. 
.wednesday night...south winds 5 to 10 kt becoming southwest.
waves 1 to 2 ft. 
.thursday...southwest winds 10 to 20 kt. chance of rain in the
afternoon. waves 2 to 4 ft. 
.thursday night...west winds 10 to 20 kt becoming northwest.
chance of rain. waves 2 to 4 ft building to 3 to 5 ft. 
.friday...northwest winds 10 to 20 kt becoming north. chance of
rain. waves 4 to 6 ft occasionally to 8 ft. 
.saturday...northeast winds 10 to 15 kt veering to southwest
10 to 20 kt. waves 2 to 4 ft.  

$$
fzus63 kmqt 180301
glfls 
expires:202511180900;;596041

open lake forecast for lake superior
national weather service marquette mi
1001 pm est mon nov 17 2025

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...

high pressure averaging 30.1 inches over lake superior today as a 
28.8 inch low retrogrades back into far northern quebec. 30.2 inch 
ridging continues to encompass the great lakes basin wednesday, 
shifting into new england wednesday night and thursday as a 29.7 
inch low develops over northern ontario. high pressure ridging of 
around 30.1 inches develops over the northern plains and upper 
midwest on friday before moving into the great lakes region by 
saturday.



lsz162-180900-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1001 pm est mon nov 17 2025 /901 pm cst mon nov 17 2025/

.rest of tonight...north winds 5 to 15 knots veering northeast by
midnight. waves calm to 2 feet. 
.tuesday...east winds 5 to 15 knots diminishing to less than
10 knots by mid afternoon. waves calm to 2 feet. 
.tuesday night...south winds less than 10 knots becoming
southwest 5 to 15 knots by midnight. waves calm to 2 feet. 
.wednesday...southwest winds 5 to 15 knots increasing to 10 to
20 knots in the afternoon. waves calm to 2 feet. 
.wednesday night...southwest winds 10 to 20 knots. a chance of
rain showers in the evening, then rain showers likely after
midnight. waves calm to 2 feet. 
.thursday...southwest winds 10 to 20 knots becoming west 15 to
25 knots in the afternoon. rain showers likely in the morning,
then a chance of rain showers in the afternoon. waves building to
1 to 3 feet. 
.thursday night...west winds 15 to 25 knots. waves subsiding to
calm to 2 feet, then building to 1 to 3 feet. 
.friday...northwest winds 10 to 20 knots becoming west 5 to
15 knots. waves calm to 2 feet. 
.saturday...southwest winds 10 to 20 knots veering west. waves
calm to 2 feet. 

$$
fzus63 kmqt 180301
glfls 
expires:202511180900;;596042

open lake forecast for lake superior
national weather service marquette mi
1001 pm est mon nov 17 2025

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...

high pressure averaging 30.1 inches over lake superior today as a 
28.8 inch low retrogrades back into far northern quebec. 30.2 inch 
ridging continues to encompass the great lakes basin wednesday, 
shifting into new england wednesday night and thursday as a 29.7 
inch low develops over northern ontario. high pressure ridging of 
around 30.1 inches develops over the northern plains and upper 
midwest on friday before moving into the great lakes region by 
saturday.



lsz263-180900-
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 est mon nov 17 2025

.rest of tonight...north winds 5 to 15 knots veering northeast
late. waves calm to 2 feet. 
.tuesday...north winds less than 10 knots backing northwest by
mid afternoon. waves calm to 2 feet. 
.tuesday night...west winds less than 10 knots becoming southwest
5 to 15 knots by midnight. waves calm to 2 feet. 
.wednesday...southwest winds 10 to 20 knots. waves building to
1 to 3 feet. 
.wednesday night...southwest winds 10 to 20 knots. a chance of
rain showers. waves building to 2 to 4 feet. 
.thursday...southwest winds 15 to 25 knots veering west in the
afternoon. rain showers likely in the morning, then a chance of
rain showers in the afternoon. waves 2 to 4 feet. 
.thursday night...west winds 15 to 25 knots. waves building to
3 to 5 feet occasionally to 7 feet. 
.friday...northwest winds 15 to 25 knots becoming west 5 to
15 knots. waves subsiding to calm to 2 feet. 
.saturday...southwest winds 10 to 20 knots veering west. waves
building to 1 to 3 feet. 

$$
fzus63 kmqt 180301
glfls 
expires:202511180900;;596043

open lake forecast for lake superior
national weather service marquette mi
1001 pm est mon nov 17 2025

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...

high pressure averaging 30.1 inches over lake superior today as a 
28.8 inch low retrogrades back into far northern quebec. 30.2 inch 
ridging continues to encompass the great lakes basin wednesday, 
shifting into new england wednesday night and thursday as a 29.7 
inch low develops over northern ontario. high pressure ridging of 
around 30.1 inches develops over the northern plains and upper 
midwest on friday before moving into the great lakes region by 
saturday.



lsz264-180900-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1001 pm est mon nov 17 2025

.rest of tonight...north winds 5 to 15 knots diminishing to less
than 10 knots late. waves calm to 2 feet. 
.tuesday...north winds less than 10 knots backing northwest.
waves calm to 2 feet. 
.tuesday night...northwest winds less than 10 knots backing west
by midnight, then increasing to 5 to 15 knots late. waves calm to
2 feet. 
.wednesday...southwest winds 10 to 20 knots. waves building to
1 to 3 feet. 
.wednesday night...southwest winds 10 to 20 knots. a chance of
rain showers. waves building to 2 to 4 feet. 
.thursday...southwest winds 15 to 25 knots veering west in the
afternoon. rain showers. waves building to 3 to 5 feet
occasionally to 7 feet. 
.thursday night...northwest winds 15 to 25 knots. waves building
to 4 to 7 feet occasionally to 9 feet. 
.friday...northwest winds 15 to 25 knots diminishing to 10 to
20 knots. waves subsiding to calm to 2 feet. 
.saturday...southwest winds 10 to 20 knots veering west. waves
building to 1 to 3 feet. 

$$
fzus63 kmqt 180301
glfls 
expires:202511180900;;596044

open lake forecast for lake superior
national weather service marquette mi
1001 pm est mon nov 17 2025

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...

high pressure averaging 30.1 inches over lake superior today as a 
28.8 inch low retrogrades back into far northern quebec. 30.2 inch 
ridging continues to encompass the great lakes basin wednesday, 
shifting into new england wednesday night and thursday as a 29.7 
inch low develops over northern ontario. high pressure ridging of 
around 30.1 inches develops over the northern plains and upper 
midwest on friday before moving into the great lakes region by 
saturday.



lsz265-180900-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1001 pm est mon nov 17 2025

.rest of tonight...northwest winds 10 to 20 knots diminishing to
5 to 15 knots by midnight, then veering north late. waves calm to
2 feet. 
.tuesday...northwest winds 5 to 15 knots. waves calm to 2 feet. 
.tuesday night...northwest winds 5 to 15 knots backing west by
midnight. waves calm to 2 feet. 
.wednesday...southwest winds 5 to 15 knots increasing to 10 to
20 knots in the afternoon. waves calm to 2 feet. 
.wednesday night...southwest winds 10 to 20 knots. a chance of
rain showers. waves calm to 2 feet. 
.thursday...southwest winds 10 to 20 knots becoming west 20 to
30 knots in the afternoon. rain showers. waves building to 1 to
3 feet. 
.thursday night...west winds 20 to 30 knots. a chance of rain
showers. waves building to 3 to 5 feet occasionally to 7 feet. 
.friday...northwest winds 20 to 30 knots diminishing to 10 to
20 knots. waves subsiding to calm to 2 feet. 
.saturday...west winds 10 to 20 knots. waves calm to 2 feet. 

$$
fzus63 kmqt 180301
glfls 
expires:202511180900;;596045

open lake forecast for lake superior
national weather service marquette mi
1001 pm est mon nov 17 2025

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...

high pressure averaging 30.1 inches over lake superior today as a 
28.8 inch low retrogrades back into far northern quebec. 30.2 inch 
ridging continues to encompass the great lakes basin wednesday, 
shifting into new england wednesday night and thursday as a 29.7 
inch low develops over northern ontario. high pressure ridging of 
around 30.1 inches develops over the northern plains and upper 
midwest on friday before moving into the great lakes region by 
saturday.



lsz266-180900-
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 est mon nov 17 2025

.rest of tonight...northwest winds 10 to 20 knots becoming north
5 to 15 knots late. waves 2 to 4 feet subsiding to calm to
2 feet. 
.tuesday...north winds 5 to 15 knots backing northwest. waves
calm to 2 feet. 
.tuesday night...northwest winds 5 to 15 knots backing west by
midnight. waves calm to 2 feet. 
.wednesday...southwest winds 5 to 15 knots increasing to 10 to
20 knots in the afternoon. waves calm to 2 feet. 
.wednesday night...southwest winds 10 to 20 knots. a chance of
rain showers. waves building to 1 to 3 feet. 
.thursday...southwest winds 10 to 20 knots increasing to 15 to
25 knots in the afternoon. rain showers. waves building to 3 to
5 feet occasionally to 7 feet. 
.thursday night...northwest winds 20 to 30 knots. a chance of
rain showers. waves building to 5 to 8 feet occasionally to
10 feet. 
.friday...northwest winds 15 to 25 knots diminishing to 10 to
20 knots. a chance of snow showers, possibly mixed with rain.
waves subsiding to 1 to 3 feet. 
.saturday...southwest winds 10 to 20 knots veering west. waves
1 to 3 feet. 

$$
fzus63 kmqt 180301
glfls 
expires:202511180900;;596046

open lake forecast for lake superior
national weather service marquette mi
1001 pm est mon nov 17 2025

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...

high pressure averaging 30.1 inches over lake superior today as a 
28.8 inch low retrogrades back into far northern quebec. 30.2 inch 
ridging continues to encompass the great lakes basin wednesday, 
shifting into new england wednesday night and thursday as a 29.7 
inch low develops over northern ontario. high pressure ridging of 
around 30.1 inches develops over the northern plains and upper 
midwest on friday before moving into the great lakes region by 
saturday.



lsz267-180900-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1001 pm est mon nov 17 2025

.rest of tonight...northwest winds 10 to 20 knots veering north
late. a slight chance of snow showers. waves 2 to 4 feet
subsiding to calm to 2 feet. 
.tuesday...north winds 5 to 15 knots backing northwest. waves
calm to 2 feet. 
.tuesday night...northwest winds 5 to 15 knots backing west late.
waves calm to 2 feet. 
.wednesday...southwest winds 10 to 20 knots. waves calm to
2 feet. 
.wednesday night...southwest winds 10 to 20 knots. a chance of
rain showers after midnight. waves building to 1 to 3 feet. 
.thursday...southwest winds 15 to 25 knots. rain showers. waves
building to 3 to 5 feet occasionally to 7 feet. 
.thursday night...west winds 20 to 30 knots veering northwest
after midnight. rain showers in the evening, then a chance of
rain showers after midnight. waves building to 5 to 8 feet
occasionally to 10 feet. 
.friday...northwest winds 20 to 30 knots diminishing to 10 to
20 knots. a chance of rain and snow showers. waves subsiding to
1 to 3 feet. 
.saturday...southwest winds 10 to 20 knots veering west. a chance
of rain showers. waves 1 to 3 feet. 

$$
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