fzus61 kcle 171941
glfle 
expires:202509180215;;150093

open lake forecast for lake erie
national weather service cleveland oh
341 pm edt wed sep 17 2025

for waters beyond five nautical miles of shore on lake erie

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 ridging averaging 30.20 inches and extending from
new england lingers over lake erie before a cold front sweeps
generally southward across the lake thursday evening into thursday
night. behind the front, another ridge averaging 30.20 inches 
affects lake erie as the parent high pressure center moves from 
near hudson bay thursday evening to atlantic waters near nova 
scotia by this monday. however, a warm front will sweep northward 
across lake erie on sunday into early monday.


lez162-163-180215-
detroit river lt. to maumee bay oh to reno beach oh beyond 5nm
offshoreline to us-canadian border-
reno beach to the islands oh beyond 5nm off shoreline to us-
canadian border-
341 pm edt wed sep 17 2025

.tonight...southeast winds less than 10 knots. waves 1 foot or
less. 
.thursday...light and variable winds. waves 1 foot or less. 
.thursday night...southeast winds 10 knots or less becoming
northeast. waves 1 foot or less. 
.friday...northeast winds around 10 knots becoming east. waves
2 feet or less. 
.friday night...northeast winds 10 to 15 knots becoming east.
waves 1 to 3 feet. 
.saturday...east winds 10 to 15 knots becoming southeast. waves
1 to 3 feet. 
.sunday...southeast winds 5 to 15 knots becoming south. a chance
of showers sunday night. waves 2 feet or less. 
.monday...south winds around 10 knots. a chance of showers. waves
2 feet or less. 

$$

fzus61 kcle 171941
glfle 
expires:202509180215;;150094

open lake forecast for lake erie
national weather service cleveland oh
341 pm edt wed sep 17 2025

for waters beyond five nautical miles of shore on lake erie

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 ridging averaging 30.20 inches and extending from
new england lingers over lake erie before a cold front sweeps
generally southward across the lake thursday evening into thursday
night. behind the front, another ridge averaging 30.20 inches 
affects lake erie as the parent high pressure center moves from 
near hudson bay thursday evening to atlantic waters near nova 
scotia by this monday. however, a warm front will sweep northward 
across lake erie on sunday into early monday.


lez164>168-180215-
the islands to vermilion oh beyond 5 nm off shoreline to us-
canadian border-
vermilion to avon point oh beyond 5 nm off shoreline to us-
canadian border-
avon point to willowick oh beyond 5 nm off shoreline to us-
canadian border-willowick to geneva-on-the-
lake oh beyond 5nm off shoreline to us-canadian border-geneva-on-
the-lake to conneaut oh beyond 5 nm off shoreline to us-
canadian border-
341 pm edt wed sep 17 2025

.tonight...east winds less than 10 knots. waves 1 foot or less. 
.thursday...west winds 10 knots or less. waves 1 foot or less. 
.thursday night...southwest winds 5 to 10 knots becoming
northeast. waves 1 foot or less. 
.friday...northeast winds 5 to 10 knots. waves 1 to 2 feet. 
.friday night...northeast winds 10 to 15 knots becoming east.
waves 1 to 3 feet. 
.saturday...east winds 10 to 15 knots becoming southeast. waves
2 to 4 feet subsiding to 1 to 3 feet. 
.sunday...south winds 5 to 15 knots. a chance of showers sunday
night. waves 1 to 3 feet. 
.monday...south winds 5 to 15 knots. a chance of showers. waves
1 to 3 feet. 

$$

fzus63 kdtx 171947
glfsc 
expires:202509180400;;150316

lake st clair forecast
national weather service detroit/pontiac mi
347 pm edt wed sep 17 2025

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, 30.00 inches, over the central and
eastern great lakes gradually weakens over the next 24 hours. a
stronger high developing over northern ontario forces a weak cold
front across the region tonight through thursday. the high
pressure then gradually shifts southeast across ontario before
reaching southern quebec on saturday and new england on sunday.


lcz460-180400-
lake st clair-
347 pm edt wed sep 17 2025

.tonight...light and variable winds. clear. waves nearly calm.
.thursday...light and variable winds becoming southwest 5 to 10
knots early in the afternoon...then backing to the east late in the
afternoon. mostly sunny. waves 2 feet or less.
.thursday night...northeast winds 10 to 15 knots diminishing to 5 to
10 knots in the late evening and early morning...then increasing to
10 to 15 knots after midnight. partly cloudy. waves 2 feet or less.
.friday...northeast winds 5 to 10 knots increasing to 10 to 15 knots
early in the afternoon. partly sunny. waves 2 feet or less.
.friday night...northeast winds 10 to 15 knots. mostly clear. waves
2 feet or less.
.saturday...east winds 10 to 15 knots. mostly sunny becoming partly
sunny in the afternoon becoming mostly clear. waves 2 feet or less.
.sunday...south winds 10 to 15 knots. partly cloudy. a chance of
showers. waves 2 feet or less.
.monday...south winds 10 to 15 knots. partly cloudy. a chance of
showers. waves 2 feet or less.

$$

fzus63 kdtx 171945
glflh 
expires:202509180400;;150287

open lake forecast for lake huron
national weather service detroit/pontiac mi
345 pm edt wed sep 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...high pressure, 30.00 inches, over the central and
eastern great lakes gradually weakens over the next 24 hours. a
stronger high developing over northern ontario forces a weak cold
front across the region tonight through thursday. the high
pressure then gradually shifts southeast across ontario before
reaching southern quebec on saturday and new england on sunday.


lhz462>464-180400-
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-
345 pm edt wed sep 17 2025

.tonight...light and variable winds. waves 2 feet or less. 
.thursday...southwest winds 5 to 10 knots veering to the west
late in the morning...then becoming north 10 to 15 knots in the
afternoon. waves 2 feet or less. 
.thursday night...north winds 10 to 15 knots decreasing to 5 to
10 knots in the late evening and early morning...then becoming
northeast 10 to 15 knots after midnight. waves 2 to 4 feet
subsiding to 1 to 3 feet in the late evening and overnight. 
.friday...northeast winds 10 to 15 knots. waves 2 to 4 feet. 
.friday night...north winds 15 to 20 knots becoming northeast
10 to 15 knots in the late evening and overnight. waves 2 to
4 feet. 
.saturday...east winds 10 to 15 knots becoming southeast 5 to
10 knots late in the morning...then becoming east 10 to 15 knots
late in the afternoon. waves 2 to 4 feet subsiding to 1 to 3 feet
late in the morning...then building to 2 to 4 feet late in the
evening. 
.sunday...southeast winds 10 to 15 knots. a chance of showers
until early morning. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.monday...south winds 10 to 15 knots decreasing to 5 to 10 knots
in the late evening and early morning. a chance of showers. waves
1 to 3 feet. 


$$

fzus63 kmkx 171937
glflm 
expires:202509180315;;149938

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
237 pm cdt wed sep 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 around 29.4 inches will continue eastward across 
northern quebec canada today, with high pressure around 30.3 
inches moving into ontario through friday. 

winds remain nearly calm through tonight, with a light northeast
wind developing over the northern half of the lake in response to
a weak backdoor cold front. this front sags southward across the
rest of the lake thursday, bringing roughly 15 kt north to
northeast winds behind it. light northeast winds continue into
friday, becoming breezy and veering southeast friday night through
saturday morning as the aforementioned high pressure system
strengthens to around 30.4 inches and approaches southern
ontario/quebec and low pressure around 29.9 inches moves into the
dakotas / minnesota. there will be chances for thunderstorms
at times this weekend. 


lmz261-362-364-366-563-565-567-868-180315-
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-
237 pm cdt wed sep 17 2025

sheboygan wi to pentwater mi north...

.tonight...southwest winds 10 to 15 kt backing to northeast.
slight chance of showers and thunderstorms this evening, then
slight chance of showers overnight. waves 1 to 2 ft. 
.thursday...northeast winds 10 to 15 kt becoming north. waves
1 to 2 ft. 
.thursday night...northeast winds 10 to 15 kt. waves 1 to 3 ft. 
.friday...east winds 10 to 15 kt becoming northeast 10 to 20 kt.
waves 1 to 3 ft. 
.friday night...east winds 10 to 20 kt becoming southeast. waves
2 to 4 ft building to 3 to 5 ft. 
.saturday...southeast winds 10 to 20 kt. waves 3 to 5 ft. 
.saturday night...southeast winds 10 to 20 kt becoming south.
chance of showers. waves 2 to 4 ft. 
.sunday...south winds 10 to 20 kt. chance of showers. waves 2 to
4 ft. 
.monday...south winds 10 to 20 kt. chance of showers. waves 2 to
4 ft.  

$$

fzus63 kmkx 171937
glflm 
expires:202509180315;;149939

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
237 pm cdt wed sep 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 around 29.4 inches will continue eastward across 
northern quebec canada today, with high pressure around 30.3 
inches moving into ontario through friday. 

winds remain nearly calm through tonight, with a light northeast
wind developing over the northern half of the lake in response to
a weak backdoor cold front. this front sags southward across the
rest of the lake thursday, bringing roughly 15 kt north to
northeast winds behind it. light northeast winds continue into
friday, becoming breezy and veering southeast friday night through
saturday morning as the aforementioned high pressure system
strengthens to around 30.4 inches and approaches southern
ontario/quebec and low pressure around 29.9 inches moves into the
dakotas / minnesota. there will be chances for thunderstorms
at times this weekend. 


lmz080-669-671-673-675-777-779-870-872-874-876-878-180315-
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-
237 pm cdt wed sep 17 2025

sheboygan wi to pentwater mi south...

.tonight...northwest winds 10 to 15 kt backing to southeast late
this evening, then becoming southeast 5 to 10 kt after midnight
diminishing to less than 10 kt late. waves 1 to 2 ft. 
.thursday...south winds 5 to 10 kt backing to north. waves 1 to
2 ft. 
.thursday night...north winds 10 to 15 kt becoming east. waves
1 to 3 ft. 
.friday...east winds 10 to 15 kt becoming northeast. waves 1 to
3 ft. 
.friday night...northeast winds 10 to 20 kt becoming east 15 to
25 kt. waves 2 to 4 ft building to 4 to 6 ft occasionally to
8 ft. 
.saturday...southeast winds 10 to 20 kt. waves 4 to 6 ft
occasionally to 8 ft subsiding to 3 to 5 ft. 
.saturday night...southeast winds 10 to 20 kt. chance of showers.
waves 2 to 4 ft. 
.sunday...south winds 10 to 20 kt. chance of showers. waves 2 to
4 ft. 
.monday...south winds 10 to 20 kt. chance of showers. waves 2 to
4 ft.  

$$