fzus61 kcle 080152
glfle 
expires:202608080815;;801634

open lake forecast for lake erie
national weather service cleveland oh
952 pm edt fri aug 7 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 east across lake erie saturday evening and night. a 
ridge averaging 30.10 inches will briefly build over the region on
sunday before low pressure 30.00 inches lifts from the central 
plains into the lower great lakes region on monday. a stationary 
boundary will linger in the vicinity of lake erie through mid- 
week.


lez162>164-080815-
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-
952 pm edt fri aug 7 2026

.overnight...south winds 5 to 15 knots becoming southwest.
a chance of showers with a slight chance of thunderstorms.
waves 2 feet or less. 
.saturday...southwest winds 10 to 15 knots. a slight chance of
showers and thunderstorms early. a slight chance of showers and
thunderstorms in the afternoon. waves 1 to 2 feet. 
.saturday night...west winds 5 to 10 knots becoming northwest.
waves 1 to 2 feet. 
.sunday...north 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 overnight.
waves 2 feet or less. 
.monday...southwest winds 10 to 15 knots. showers with a chance
of thunderstorms. waves 1 to 2 feet. 
.tuesday...west winds 5 to 15 knots. showers likely with a chance
of thunderstorms. waves 2 feet or less. 
.wednesday...northwest winds 5 to 10 knots becoming north. a
chance of showers and thunderstorms. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 080301
glfsc 
expires:202608081115;;803797

lake st clair forecast
national weather service detroit/pontiac mi
1101 pm edt fri aug 7 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.


lcz460-081115-
lake st clair-
1101 pm edt fri aug 7 2026

.rest of tonight...south winds 5 to 10 knots becoming southwest 10
to 15 knots early in the morning. mostly clear. a chance of light
showers early in the morning. waves 2 feet or less.
.saturday...southwest winds 10 to 15 knots. mostly sunny. a chance
of showers early in the afternoon. a chance of thunderstorms in the
afternoon. waves 2 feet or less.
.saturday night...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 with a
chance of light showers ...then mostly cloudy with showers likely
after midnight. waves 2 feet or less.
.monday...southwest winds 10 to 15 knots becoming west 5 to 10 knots
in the evening. showers likely. a chance of thunderstorms in the
afternoon and evening. showers in the evening. waves 2 feet or less.
.tuesday...northeast winds 5 to 10 knots. partly cloudy. showers 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 080301
glflh 
expires:202608081115;;803784

open lake forecast for lake huron
national weather service detroit/pontiac mi
1101 pm edt fri aug 7 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>464-081115-
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-
1101 pm edt fri aug 7 2026

.rest of tonight...south winds 10 to 15 knots decreasing to 5 to
10 knots early in the morning. waves 2 feet or less. 
.saturday...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. 
.saturday night...north winds 5 to 10 knots  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. a chance of thunderstorms. rain
showers likely 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 until early
evening. 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. a
chance of showers by midnight. waves 2 feet or less. 


$$

fzus63 kmkx 080152
glflm 
expires:202608080930;;801629

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
852 pm cdt fri aug 7 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...

low pressure of 29.8 inches over lake superior this evening will
move east toward lake ontario. an associated cold front will move
east across the lake tonight with scattered showers and storms
possible. west to northwest winds behind the front early saturday
will quickly return to southerly by saturday 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.


lmz261-362-364-366-563-565-567-868-080930-
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 fri aug 7 2026

sheboygan wi to pentwater mi north...

.rest of tonight...south winds 15 to 25 kt becoming west 10 to
20 kt. chance of showers and thunderstorms through early evening,
then chance of showers and slight chance of thunderstorms
overnight. waves 3 to 5 ft subsiding to 2 to 4 ft. 
.saturday...northwest winds 10 to 20 kt backing to southwest.
patchy dense fog in the morning. waves 2 to 4 ft subsiding to
1 to 2 ft. 
.saturday night...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.
chance of showers in the afternoon. waves 1 to 3 ft building to
3 to 5 ft. 
.sunday night...southwest winds 10 to 20 kt veering to northwest
5 to 10 kt overnight. chance of showers. waves 3 to 5 ft. 
.monday...north winds 10 to 20 kt veering to south. waves 1 to
3 ft. 
.monday night...south winds 10 to 15 kt backing to northeast.
waves 1 to 2 ft. 
.tuesday...northeast winds 10 to 15 kt becoming north. chance of
showers. waves 1 ft or less. 
.wednesday...northwest winds 10 to 15 kt becoming west 10 to
20 kt. waves 1 to 2 ft.  

$$

fzus63 kmkx 080152
glflm 
expires:202608080930;;801630

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
852 pm cdt fri aug 7 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...

low pressure of 29.8 inches over lake superior this evening will
move east toward lake ontario. an associated cold front will move
east across the lake tonight with scattered showers and storms
possible. west to northwest winds behind the front early saturday
will quickly return to southerly by saturday 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.


lmz080-669-671-673-675-777-779-870-872-874-876-878-080930-
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 fri aug 7 2026

sheboygan wi to pentwater mi south...

.rest of tonight...south winds 10 to 20 kt becoming west. waves
2 to 4 ft. 
.saturday...west winds 10 to 20 kt diminishing to 10 to 15 kt.
waves 1 to 3 ft. 
.saturday night...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. waves 3 to
5 ft. 
.sunday night...south winds 10 to 20 kt becoming southwest 10 to
15 kt. showers likely with a chance of thunderstorms. waves 3 to
5 ft subsiding to 1 to 3 ft. 
.monday...southwest winds 10 to 20 kt becoming south. chance of
showers and thunderstorms. waves 1 to 3 ft. 
.monday night...southeast winds 10 to 20 kt backing to north
10 to 15 kt. showers likely with a chance of thunderstorms. waves
1 to 2 ft. 
.tuesday...northeast winds 10 to 15 kt becoming north. chance of
showers. waves 1 to 2 ft. 
.wednesday...northeast winds 5 to 10 kt becoming north 10 to
20 kt. waves 1 ft or less.  

$$