fzus61 kcle 180843
glfle 
expires:202509181500;;181783

open lake forecast for lake erie
national weather service cleveland oh
443 am edt thu sep 18 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. a warm front will then sweep 
northward across lake erie on sunday into early monday.


lez162-163-181500-
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-
443 am edt thu sep 18 2025

.today...light and variable winds. waves 1 foot or less. 
.tonight...southeast winds 10 knots or less becoming northeast.
waves 1 foot or less. 
.friday...northeast winds 10 to 15 knots becoming east. waves
2 feet or less. 
.friday night...east winds 10 to 15 knots. waves 1 to 3 feet. 
.saturday...east winds 15 to 20 knots becoming southeast 10 to
15 knots. waves 1 to 3 feet building to 3 to 5 feet, then
subsiding to 2 to 4 feet. 
.sunday...south winds 5 to 10 knots. a chance of showers sunday
night. waves 2 feet or less. 
.monday...southwest winds 10 to 15 knots. a chance of showers.
waves 2 feet or less. 

$$

fzus61 kcle 180843
glfle 
expires:202509181500;;181784

open lake forecast for lake erie
national weather service cleveland oh
443 am edt thu sep 18 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. a warm front will then sweep 
northward across lake erie on sunday into early monday.


lez164>168-181500-
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-
443 am edt thu sep 18 2025

.today...west winds 10 knots or less. waves 1 foot or less. 
.tonight...southwest winds 5 to 10 knots becoming northeast.
waves 1 foot or less. 
.friday...northeast winds 5 to 15 knots. waves 1 to 3 feet. 
.friday night...east winds 10 to 15 knots increasing to 15 to
20 knots. waves 1 to 3 feet building to 2 to 4 feet. 
.saturday...east winds 15 to 20 knots becoming southeast 10 to
15 knots. waves 3 to 6 feet. 
.sunday...south winds 5 to 15 knots increasing to 15 to 20 knots.
a chance of showers sunday night. waves 1 to 3 feet. 
.monday...south winds 10 to 15 knots becoming southwest. a chance
of showers. waves 1 to 3 feet. 

$$

fzus63 kdtx 180736
glfsc 
expires:202509181545;;178880

lake st clair forecast
national weather service detroit/pontiac mi
336 am edt thu sep 18 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.


lcz460-181545-
lake st clair-
336 am edt thu sep 18 2025

.today...light and variable winds becoming southeast 5 to 10 knots
in the afternoon. mostly sunny. waves 2 feet or less.
.tonight...northeast winds 10 to 15 knots diminishing to 5 to 10
knots in the late evening and overnight. partly cloudy. waves 2 feet
or less.
.friday...northeast winds 5 to 10 knots increasing to 10 to 15 knots
early in the afternoon. mostly 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 in the morning
becoming partly cloudy. 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. mostly cloudy with showers
likely. waves 2 feet or less.

$$

fzus63 kdtx 180736
glflh 
expires:202509181545;;178877

open lake forecast for lake huron
national weather service detroit/pontiac mi
336 am edt thu sep 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...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>464-181545-
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-
336 am edt thu sep 18 2025

.today...west winds 5 to 10 knots veering to the north early in
the afternoon...then increasing to 10 to 15 knots late in the
afternoon. waves 2 feet or less. 
.tonight...northeast winds 10 to 15 knots. 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...northeast winds 15 to 20 knots becoming east
10 to 15 knots after midnight. waves 2 to 4 feet. 
.saturday...east winds 10 to 15 knots. 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 veering to the south in
the late evening and early morning. a chance of showers early in
the evening. rain showers likely in the late evening and 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
until early morning. showers likely...then a chance of showers in
the late evening and early morning. waves 1 to 3 feet. 


$$

fzus63 kmkx 180748
glflm 
expires:202509181530;;179346

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
248 am cdt thu sep 18 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 light and variable over the southern half of the lake,
with a light northeast wind developing over the northern half of 
the lake in response to a weak backdoor cold front through this 
morning. this front sags southward across the rest of the lake by
this afternoon, bringing steady north winds. 

light to moderate 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.


lmz261-362-364-366-563-565-567-868-181530-
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-
248 am cdt thu sep 18 2025

sheboygan wi to pentwater mi north...

.today...northeast winds 5 to 10 kt becoming north. patchy fog
this morning. slight chance of showers this morning, then slight
chance of showers and thunderstorms this afternoon. waves 1 to
2 ft. 
.tonight...northeast winds 10 to 15 kt becoming east. slight
chance of showers in the evening. 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 15 to 25 kt becoming southeast. waves
2 to 4 ft building to 4 to 6 ft occasionally to 8 ft.
.saturday...southeast winds 10 to 20 kt increasing to 15 to
25 kt. chance of showers. waves 4 to 6 ft occasionally to 8 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...southwest winds 10 to 15 kt increasing to 10 to 20 kt.
chance of showers. waves 1 to 3 ft.  

$$

fzus63 kmkx 180748
glflm 
expires:202509181530;;179347

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
248 am cdt thu sep 18 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 light and variable over the southern half of the lake,
with a light northeast wind developing over the northern half of 
the lake in response to a weak backdoor cold front through this 
morning. this front sags southward across the rest of the lake by
this afternoon, bringing steady north winds. 

light to moderate 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.


lmz080-669-671-673-675-777-779-870-872-874-876-878-181530-
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-
248 am cdt thu sep 18 2025

sheboygan wi to pentwater mi south...

.today...south winds less than 10 kt becoming southwest late this
morning, then becoming north early this afternoon increasing to
10 to 15 kt late. waves 1 to 2 ft. 
.tonight...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...east winds 10 to 20 kt becoming southeast 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. chance of showers in the
afternoon. waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to
5 ft. 
.saturday night...southeast winds 10 to 15 kt increasing to 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...southwest winds 10 to 20 kt becoming south. chance of
showers. waves 1 to 3 ft.  

$$