fzus61 kcle 180140
glfle 
expires:202509180815;;165034

open lake forecast for lake erie
national weather service cleveland oh
940 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 through the day thursday. a 
cold front will sweep 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.


lez162-163-180815-
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-
940 pm edt wed sep 17 2025

.overnight...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 180140
glfle 
expires:202509180815;;165035

open lake forecast for lake erie
national weather service cleveland oh
940 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 through the day thursday. a 
cold front will sweep 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>168-180815-
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-
940 pm edt wed sep 17 2025

.overnight...light and variable winds. 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 180203
glfsc 
expires:202509181015;;165681

lake st clair forecast
national weather service detroit/pontiac mi
1003 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 will gradually weaken into thursday. a
stronger high developing over northern ontario forces a weak cold
front across the region thursday. the high pressure then
gradually shifts southeast across ontario before reaching
southern quebec on saturday and new england on sunday.


lcz460-181015-
lake st clair-
1003 pm edt wed sep 17 2025

.rest of 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 180200
glflh 
expires:202509181000;;165396

open lake forecast for lake huron
national weather service detroit/pontiac mi
1000 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 will gradually weaken into thursday. a
stronger high developing over northern ontario forces a weak cold
front across the region thursday. the high pressure then
gradually shifts southeast across ontario before reaching
southern quebec on saturday and new england on sunday.


lhz462>464-181000-
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-
1000 pm edt wed sep 17 2025

.rest of 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 afternoon...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 180152
glflm 
expires:202509180915;;165198

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
852 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...

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 steady north winds. light 
northeast winds are then expected into friday, becoming breezy 
and veering southeast friday night through saturday morning as the
high pressure strengthens to around 30.4 inches and approaches 
southern ontario and quebec and as low pressure around 29.9 inches
moves into the dakotas and minnesota. on and off thunderstorms 
are expected friday night through sunday.


lmz261-362-364-366-563-565-567-868-180915-
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-
852 pm cdt wed sep 17 2025

sheboygan wi to pentwater mi north...

.rest of tonight...southwest winds 10 to 15 kt veering to
northeast. patchy fog overnight. waves 1 to 2 ft. 
.thursday...northeast winds 10 to 15 kt becoming north. patchy
dense fog in the morning. waves 1 to 3 ft. 
.thursday night...northeast winds 10 to 20 kt diminishing to
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
1 to 3 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 180152
glflm 
expires:202509180915;;165199

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
852 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...

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 steady north winds. light 
northeast winds are then expected into friday, becoming breezy 
and veering southeast friday night through saturday morning as the
high pressure strengthens to around 30.4 inches and approaches 
southern ontario and quebec and as low pressure around 29.9 inches
moves into the dakotas and minnesota. on and off thunderstorms 
are expected friday night through sunday.


lmz080-669-671-673-675-777-779-870-872-874-876-878-180915-
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-
852 pm cdt wed sep 17 2025

sheboygan wi to pentwater mi south...

.rest of tonight...south winds 5 to 10 kt becoming southeast.
waves 1 ft or less. 
.thursday...south winds 5 to 10 kt backing to north. waves 1 to
2 ft. 
.thursday night...northeast 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 3 to 5 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.  

$$