fzus63 kdtx 180809
glflh 
expires:202511181615;;607889

open lake forecast for lake huron
national weather service detroit/pontiac mi
309 am est tue nov 18 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, will track across the ohio
valley today while high pressure of 30.20 inches holds across the
northern great lakes. this high will sustain dry conditions and
light winds across lake huron. the high will expand south across
lower michigan on wednesday and drift east of the region by
thursday. deepening low pressure over northern ontario thursday
will drive a weak cold front across the region thursday night.


lhz361-362-181615-
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-
309 am est tue nov 18 2025

.today...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. 
.tonight...northwest winds 5 to 10 knots. waves 2 feet or less. 
.wednesday...west 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 southwest
5 to 10 knots in the late evening and overnight. waves 2 feet or
less. 
.thursday...south winds 5 to 10 knots becoming southwest 15 to
20 knots. a chance of rain late in the morning. rain likely late
in the afternoon. waves 2 feet or less building to 2 to 4 feet. 
.friday...west winds 15 to 20 knots becoming northwest 10 to
15 knots in the late evening and early morning. waves 4 to
6 feet. waves occasionally around 8 feet. 
.saturday...west winds 5 to 10 knots becoming southwest 10 to
15 knots in the late evening and early morning. waves 2 to 4 feet
subsiding to 1 to 3 feet. 


$$

fzus63 kdtx 180809
glflh 
expires:202511181615;;607890

open lake forecast for lake huron
national weather service detroit/pontiac mi
309 am est tue nov 18 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, will track across the ohio
valley today while high pressure of 30.20 inches holds across the
northern great lakes. this high will sustain dry conditions and
light winds across lake huron. the high will expand south across
lower michigan on wednesday and drift east of the region by
thursday. deepening low pressure over northern ontario thursday
will drive a weak cold front across the region thursday night.


lhz363-462>464-181615-
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-
309 am est tue nov 18 2025

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

$$