fzus61 kcle 260741
glfle 
expires:202608261415;;378363

open lake forecast for lake erie
national weather service cleveland oh
341 am edt wed aug 26 2026

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...
low pressure of 29.70 inches will pass north of the great lakes 
today and thursday, pulling a cold front across lake erie thursday
morning. high pressure of 30.20 inches will build into the great 
lakes friday before settling to the mid-atlantic region sunday.


lez162>164-261415-
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-
the islands to vermilion oh beyond 5 nm off shoreline to us-
canadian border-
341 am edt wed aug 26 2026

.today...south winds around 10 knots. waves 1 foot or less. 
.tonight...south winds 10 to 15 knots becoming southwest. a
chance of showers and thunderstorms in the evening, then a chance
of showers with a slight chance of thunderstorms after midnight.
waves 1 to 2 feet. 
.thursday...west winds 5 to 15 knots. waves 2 feet or less. 
.thursday night...west winds 10 knots or less becoming northeast.
waves 2 feet or less. 
.friday...northeast winds 5 to 10 knots becoming southeast. waves
2 feet or less. 
.saturday...south winds 10 knots or less. waves 1 foot or less. 
.sunday...south winds 10 to 15 knots becoming southwest. waves
2 feet or less. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 260805
glflh 
expires:202608261615;;379133

open lake forecast for lake huron
national weather service detroit/pontiac mi
405 am edt wed aug 26 2026

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...a cold front will move through tonight bringing
increasing chances for showers and thunderstorms. wind direction
veers southwest to northwest after passage of the front with
northwest flow holding through tomorrow. high pressure builds
back into the great lakes friday into saturday.


lhz462>464-261615-
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-
405 am edt wed aug 26 2026

.today...south winds 10 to 15 knots increasing to 15 to 20 knots
late in the afternoon. waves 1 to 3 feet building to 2 to 4 feet
in the afternoon. 
.tonight...south winds 10 to 15 knots veering to the southwest
early in the morning. a chance of waterspouts in the evening.
showers likely and a chance of thunderstorms in the evening...
then a chance of showers after midnight. waves 2 to 4 feet
subsiding to 1 to 3 feet after midnight. 
.thursday...west winds 10 to 15 knots becoming northwest 5 to
10 knots early in the afternoon. waves 1 to 3 feet. 
.thursday night...north winds 10 to 15 knots. waves 1 to 3 feet
building to 2 to 4 feet in the late evening and overnight. 
.friday...north winds 5 to 10 knots veering to the east late in
the evening. waves 1 to 3 feet. 
.saturday...south winds 5 to 10 knots increasing to 10 to
15 knots by midnight. waves 2 feet or less. 
.sunday...south winds 10 to 15 knots. waves 1 to 3 feet. 


$$

fzus63 kdtx 260743
glfsc 
expires:202608261600;;378449

lake st clair forecast
national weather service detroit/pontiac mi
343 am edt wed aug 26 2026

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...a cold front will move through tonight bringing
increasing chances for showers and thunderstorms. wind direction
veers southwest to northwest after passage of the front with
northwest flow holding through tomorrow. high pressure builds
back into the great lakes friday into saturday.


lcz460-261600-
lake st clair-
343 am edt wed aug 26 2026

.today...southwest winds 5 to 10 knots becoming south 10 to 15 knots
in the late morning and afternoon. partly sunny. waves 2 feet or
less.
.tonight...southwest winds 10 to 15 knots becoming west 5 to 10
knots early in the morning. partly cloudy. light showers likely
early in the evening. a chance of thunderstorms in the evening. a
chance of light showers by midnight. waves 2 feet or less.
.thursday...northwest winds 5 to 10 knots. mostly sunny. waves 2
feet or less.
.thursday night...north winds 5 to 10 knots increasing to 10 to 15
knots in the late evening and overnight. mostly clear. waves 2 feet
or less.
.friday...north winds 5 to 10 knots becoming northeast 10 to 15
knots in the evening. mostly sunny in the morning becoming clear.
waves 2 feet or less.
.saturday...south winds 10 to 15 knots. mostly clear. waves 2 feet
or less.
.sunday...south winds 10 to 15 knots. partly cloudy. waves 2 feet or
less.

$$

fzus63 kmkx 260803
glflm 
expires:202608261530;;379096

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
303 am cdt wed aug 26 2026

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...

breezy south winds will continue through the morning as the 
pressure gradient sharpens ahead of a slow-moving cold front and 
low pressure of 29.7 inches just north of lake superior. winds 
will become more southwesterly later this morning, then westerly 
with the frontal passage in the afternoon. look for lighter
northwesterly winds behind the front tonight.

the northwest winds will grow breezier for a bit on thursday
ahead of another cold front dropping south over the lake, but
winds will then become lighter and northeasterly thursday night
into friday as high pressure of 30.2 inches moves into the upper
great lakes region.


lmz261-362-364-366-563-565-567-868-261530-
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-
303 am cdt wed aug 26 2026

sheboygan wi to pentwater mi north...

.today...southwest winds to 30 kt diminishing to 10 to 20 kt.
chance of showers and slight chance of thunderstorms this
morning, then chance of showers and thunderstorms this afternoon.
waves 4 to 7 ft occasionally to 9 ft subsiding to 3 to 5 ft. 
.tonight...northwest winds 10 to 20 kt. chance of thunderstorms
and slight chance of showers in the evening. waves 2 to 4 ft
subsiding to 1 to 3 ft. 
.thursday...northwest winds 10 to 20 kt becoming north 15 to
25 kt. waves 2 to 4 ft. 
.thursday night...north winds 15 to 25 kt diminishing to 10 to
15 kt overnight. waves 1 to 3 ft. 
.friday...north winds 10 to 15 kt becoming northeast 10 to 20 kt.
waves 1 to 2 ft. 
.friday night...southeast winds 10 to 20 kt becoming south 10 to
15 kt. waves 1 to 3 ft. 
.saturday...south winds 10 to 20 kt increasing to 15 to 25 kt.
waves 2 to 4 ft building to 4 to 6 ft occasionally to 8 ft. 
.sunday...south gales to 35 kt. chance of showers. waves 6 to
9 ft occasionally to 12 ft.  

$$

fzus63 kmkx 260803
glflm 
expires:202608261530;;379097

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
303 am cdt wed aug 26 2026

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...

breezy south winds will continue through the morning as the 
pressure gradient sharpens ahead of a slow-moving cold front and 
low pressure of 29.7 inches just north of lake superior. winds 
will become more southwesterly later this morning, then westerly 
with the frontal passage in the afternoon. look for lighter
northwesterly winds behind the front tonight.

the northwest winds will grow breezier for a bit on thursday
ahead of another cold front dropping south over the lake, but
winds will then become lighter and northeasterly thursday night
into friday as high pressure of 30.2 inches moves into the upper
great lakes region.


lmz080-669-671-673-675-777-779-870-872-874-876-878-261530-
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-
303 am cdt wed aug 26 2026

sheboygan wi to pentwater mi south...

.today...southwest winds 15 to 25 kt diminishing to 10 to 20 kt.
chance of showers and slight chance of thunderstorms this
morning, then slight chance of showers and thunderstorms this
afternoon. waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to
5 ft. 
.tonight...west winds 10 to 20 kt becoming northwest 10 to 15 kt.
waves 2 to 4 ft. 
.thursday...northwest winds 10 to 20 kt becoming north 15 to
25 kt. waves 2 to 4 ft. 
.thursday night...northeast winds 10 to 20 kt diminishing to
10 to 15 kt. waves 2 to 4 ft subsiding to 1 to 3 ft. 
.friday...northeast winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 2 ft. 
.friday night...east winds 10 to 20 kt veering to southeast 10 to
15 kt. waves 1 to 3 ft. 
.saturday...south winds 10 to 20 kt increasing to 15 to 25 kt.
waves 2 to 4 ft building to 4 to 6 ft occasionally to 8 ft. 
.sunday...south gales to 35 kt. chance of showers. waves 6 to
9 ft occasionally to 12 ft.  

$$