fzus61 kcle 080905
glfle 
expires:202608081445;;818896

open lake forecast for lake erie
national weather service cleveland oh
505 am edt sat aug 8 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...
a cold front is moving through the great lakes today and will
cross the lake tonight. a ridge averaging 30.00 inches will 
build over the region for sunday. a series of weak low pressure
systems 29.90 inches will move through the region sunday night
through tuesday. high pressure 30.00 inches will build into the
region for wednesday.


lez162>164-081445-
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-
505 am edt sat aug 8 2026

.today...southwest winds 10 to 15 knots. a slight chance of
showers and thunderstorms early. a slight chance of showers and
thunderstorms this afternoon. waves 1 to 2 feet. 
.tonight...west winds 5 to 15 knots becoming north. waves 1 to
2 feet. 
.sunday...northeast winds 10 knots or less becoming south. waves
1 foot or less. 
.sunday night...south winds 5 to 15 knots becoming southwest. a
chance of showers in the evening, then showers likely with a
chance of thunderstorms overnight. waves 2 feet or less. 
.monday...southwest winds 10 to 15 knots becoming west. showers
with a chance of thunderstorms. waves 1 to 3 feet. 
.tuesday...west winds 5 to 15 knots becoming northeast. showers
likely with a chance of thunderstorms during the day, then
showers likely tuesday night. waves 2 feet or less. 
.wednesday...southeast winds 10 knots or less becoming west. a
chance of showers and thunderstorms during the day, then a chance
of showers wednesday night. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 080728
glfsc 
expires:202608081530;;815390

lake st clair forecast
national weather service detroit/pontiac mi
328 am edt sat aug 8 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...light southerly flow will continue through the
overnight out ahead of a cold front which passes through on
saturday. winds shift to the northwest and briefly top out at or
above 20 knots over northern lake huron saturday afternoon into
the evening. high pressure, 30.00 inches, slides east through the
ohio valley saturday night, allowing winds to become southerly
once again for sunday.


lcz460-081530-
lake st clair-
328 am edt sat aug 8 2026

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

$$

fzus63 kdtx 080728
glflh 
expires:202608081530;;815388

open lake forecast for lake huron
national weather service detroit/pontiac mi
328 am edt sat aug 8 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...light southerly flow will continue through the
overnight out ahead of a cold front which passes through on
saturday. winds shift to the northwest and briefly top out at or
above 20 knots over northern lake huron saturday afternoon into
the evening. high pressure, 30.00 inches, slides east through the
ohio valley saturday night, allowing winds to become southerly
once again for sunday.


lhz462>464-081530-
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-
328 am edt sat aug 8 2026

.today...south winds 5 to 10 knots becoming southwest 10 to
15 knots in the late morning and early afternoon...then becoming
west 5 to 10 knots late in the afternoon. a chance of showers.
waves 1 to 3 feet. 
.tonight...north winds 5 to 10 knots in the evening becoming
light and variable. waves 2 feet or less. 
.sunday...southwest winds 5 to 10 knots backing to the south
early in the afternoon. waves 2 feet or less. 
.sunday night...south winds 5 to 10 knots increasing to 10 to
15 knots in the late evening and overnight. a chance of showers.
waves 1 to 3 feet. 
.monday...southwest winds 5 to 10 knots veering to the west late
in the afternoon...then veering to the west 5 to 10 knots late in
the evening. a chance of showers late in the afternoon. waves
2 feet or less. 
.tuesday...north winds 5 to 10 knots early in the morning
becoming light and variable. a chance of showers. waves 2 feet or
less. 
.wednesday...south winds 5 to 10 knots backing to the east in the
late morning and early afternoon...then backing to the east 5 to
10 knots early in the evening backing to the west by midnight.
waves 2 feet or less. 


$$

fzus63 kmkx 080851
glflm 
expires:202608081600;;818280

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
351 am cdt sat aug 8 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...

no major changes to the going forecast at this time.

low pressure of 29.8 inches over lake superior early this morning 
will move east toward lake ontario dragging a cold front over the
lake. west to northwest winds behind the front early this morning 
will quickly return to southerly by this evening ahead of the 
next approaching low pressure system. an unsettled weather pattern
will set up over the upper great lakes next week where weak waves
of low pressure will cross the region and produce rounds of 
thunderstorms at times.


lmz261-362-364-366-563-565-567-868-081600-
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-
351 am cdt sat aug 8 2026

sheboygan wi to pentwater mi north...

.today...northwest winds 10 to 20 kt backing to southwest. waves
2 to 4 ft subsiding to 1 to 2 ft. 
.tonight...southwest winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 2 ft. 
.sunday...southwest winds 10 to 20 kt becoming south 15 to 25 kt.
waves 2 to 4 ft building to 3 to 5 ft. 
.sunday night...southwest winds 10 to 20 kt becoming west 10 to
15 kt. chance of showers. waves 3 to 5 ft subsiding to 2 to 4 ft.
.monday...north winds 10 to 15 kt becoming northwest. waves 1 to
3 ft. 
.monday night...southwest winds 10 to 15 kt veering to northeast.
chance of showers. waves 1 ft or less. 
.tuesday...east winds 5 to 10 kt veering to southwest 10 to
15 kt. waves 1 ft or less. 
.wednesday...southwest winds 10 to 15 kt increasing to 10 to
20 kt. waves 1 ft or less.  

$$

fzus63 kmkx 080851
glflm 
expires:202608081600;;818281

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
351 am cdt sat aug 8 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...

no major changes to the going forecast at this time.

low pressure of 29.8 inches over lake superior early this morning 
will move east toward lake ontario dragging a cold front over the
lake. west to northwest winds behind the front early this morning 
will quickly return to southerly by this evening ahead of the 
next approaching low pressure system. an unsettled weather pattern
will set up over the upper great lakes next week where weak waves
of low pressure will cross the region and produce rounds of 
thunderstorms at times.


lmz080-669-671-673-675-777-779-870-872-874-876-878-081600-
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-
351 am cdt sat aug 8 2026

sheboygan wi to pentwater mi south...

.today...west winds 10 to 20 kt diminishing to 10 to 15 kt. waves
2 to 4 ft. 
.tonight...south winds 5 to 10 kt increasing to 10 to 15 kt.
waves 1 to 2 ft. 
.sunday...south winds 10 to 20 kt. chance of showers and
thunderstorms in the afternoon. waves 1 to 2 ft building to 3 to
5 ft. 
.sunday night...south winds 10 to 20 kt becoming southwest.
showers likely with a chance of thunderstorms. waves 3 to 5 ft
subsiding to 1 to 3 ft. 
.monday...west winds 10 to 15 kt veering to northeast. chance of
showers and thunderstorms in the morning, then chance of showers
in the afternoon. waves 1 to 3 ft. 
.monday night...northeast winds 5 to 10 kt becoming east. showers
likely with a chance of thunderstorms. waves 1 to 2 ft.
.tuesday...east winds 5 to 10 kt becoming northeast 10 to 15 kt.
chance of showers. waves 1 to 2 ft. 
.wednesday...east winds 10 to 15 kt backing to west. waves 1 ft
or less.  

$$