fzus61 kcle 070806
glfle 
expires:202608071430;;759381

open lake forecast for lake erie
national weather service cleveland oh
406 am 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 broad trough averaging 30.00 inches will remain over the lake
today. low pressure 29.50 inches over hudson bay will extend a
cold front across the great lakes starting this afternoon,
crossing lake erie on saturday night. a ridge averaging 30.00 
inches will briefly enter the area on sunday. low pressure 29.90 
inches will develop over the midwest on monday and move across the
ohio valley on tuesday.


lez162>164-071430-
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-
406 am edt fri aug 7 2026

.today...south winds 5 to 10 knots. a chance of showers with a
slight chance of thunderstorms early, then a slight chance of
showers and thunderstorms late this morning. a chance of showers
and thunderstorms this afternoon. waves 1 foot or less. 
.tonight...south winds 5 to 15 knots becoming southwest. showers
likely with a chance of thunderstorms in the evening, then a
chance of showers and thunderstorms after midnight. waves 2 feet
or less. 
.saturday...southwest winds 10 to 15 knots. a chance of showers
and thunderstorms in the afternoon. waves 1 to 2 feet. 
.saturday night...west winds 10 to 15 knots becoming northwest.
waves 2 feet or less. 
.sunday...west winds 5 to 15 knots becoming southwest. a chance
of showers and thunderstorms sunday night. waves 2 feet or less. 
.monday...southwest winds 10 to 15 knots increasing to 15 to
20 knots. a chance of showers and thunderstorms during the day,
then showers with a chance of thunderstorms monday night. waves
1 to 3 feet. 
.tuesday...west winds 15 to 20 knots diminishing to 5 to
10 knots. showers likely with a chance of thunderstorms. waves
1 to 3 feet subsiding to 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 070708
glfsc 
expires:202608071515;;757238

lake st clair forecast
national weather service detroit/pontiac mi
308 am 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...periods of unsettled weather will continue over the
next few days. scattered showers and thunderstorms will remain
possible, as a frontal boundary hangs around southern michigan.
brief period of high pressure, 30.00 inches, fills in ahead of
the next cold front which tracks through this weekend.


lcz460-071515-
lake st clair-
308 am edt fri aug 7 2026

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

$$

fzus63 kdtx 070708
glflh 
expires:202608071515;;757210

open lake forecast for lake huron
national weather service detroit/pontiac mi
308 am 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...periods of unsettled weather will continue over the
next few days. scattered showers and thunderstorms will remain
possible, as a frontal boundary hangs around southern michigan.
brief period of high pressure, 30.00 inches, fills in ahead of
the next cold front which tracks through this weekend.


lhz462>464-071515-
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-
308 am edt fri aug 7 2026

.today...south winds 5 to 10 knots. a chance of showers in the
afternoon. waves 2 feet or less. 
.tonight...south winds 5 to 10 knots. a chance of showers in the
evening. waves 2 feet or less. 
.saturday...southwest winds 5 to 10 knots. a chance of showers in
the afternoon. waves 2 feet or less. 
.saturday night...north winds 5 to 10 knots  becoming light and
variable. waves 2 feet or less. 
.sunday...southwest winds 5 to 10 knots becoming south 10 to
15 knots late in the afternoon...then decreasing to 5 to 10 knots
late in the evening. a chance of showers late in the afternoon.
waves 1 to 3 feet. 
.monday...southwest winds 5 to 10 knots backing to the south by
midnight. a chance of showers early in the morning. a chance of
thunderstorms until early evening. rain showers likely . waves
2 feet or less. 
.tuesday...west winds 5 to 10 knots becoming light and variable.
a chance of showers early in the morning. waves 2 feet or less. 


$$

fzus63 kmkx 070837
glflm 
expires:202608071515;;760737

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

patchy marine fog will be possible this morning. current
observations show fog will be more likely over the southern half
of the lake.

otherwise, light southerly winds tonight will increase by friday 
afternoon as a low pressure trough of 29.8 inches reaches lake 
superior. scattered showers and storms are possible friday night 
as an associated cold front crosses lake michigan. 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.


lmz261-362-364-366-563-565-567-868-071515-
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-
337 am cdt fri aug 7 2026

sheboygan wi to pentwater mi north...

.today...south winds 10 to 15 kt increasing to 15 to 25 kt.
patchy fog this afternoon. waves 1 to 3 ft building to 2 to 4 ft.
.tonight...south winds 10 to 20 kt veering to west. chance of
showers and thunderstorms in the evening, then slight chance of
showers and thunderstorms overnight. patchy fog overnight. waves
2 to 4 ft. 
.saturday...northwest winds 10 to 20 kt backing to southwest.
waves 1 to 3 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. waves 2 to 4 ft. 
.sunday night...southwest winds 10 to 20 kt veering to northwest
5 to 10 kt. chance of showers. waves 2 to 4 ft. 
.monday...north winds 10 to 20 kt veering to south. chance of
showers and thunderstorms. waves 1 to 3 ft. 
.tuesday...northeast winds 10 to 15 kt becoming north 10 to
20 kt. waves 1 to 2 ft.  

$$

fzus63 kmkx 070837
glflm 
expires:202608071515;;760738

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

patchy marine fog will be possible this morning. current
observations show fog will be more likely over the southern half
of the lake.

otherwise, light southerly winds tonight will increase by friday 
afternoon as a low pressure trough of 29.8 inches reaches lake 
superior. scattered showers and storms are possible friday night 
as an associated cold front crosses lake michigan. 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.


lmz080-669-671-673-675-777-779-870-872-874-876-878-071515-
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-
337 am cdt fri aug 7 2026

sheboygan wi to pentwater mi south...

.today...south winds 5 to 10 kt increasing to 10 to 20 kt. waves
1 to 3 ft. 
.tonight...south winds 10 to 20 kt becoming west. slight chance
of showers and thunderstorms overnight. waves 2 to 4 ft.
.saturday...west winds 10 to 20 kt becoming southwest 10 to
15 kt. waves 2 to 4 ft. 
.saturday night...south winds 10 to 15 kt. waves 1 to 2 ft. 
.sunday...south winds 10 to 20 kt increasing to 15 to 25 kt.
chance of showers. waves 2 to 4 ft. 
.sunday night...south winds 10 to 20 kt becoming southwest 10 to
15 kt. chance of showers and thunderstorms. waves 2 to 4 ft
subsiding to 1 to 3 ft. 
.monday...southwest winds 10 to 20 kt becoming south. showers
likely with a chance of thunderstorms. waves 1 to 3 ft. 
.tuesday...northwest winds 10 to 15 kt. chance of showers. waves
1 to 3 ft.  

$$