fzus61 kcle 071325
glfle 
expires:202608072015;;771110

open lake forecast for lake erie
national weather service cleveland oh
925 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>164-072015-
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-
925 am edt fri aug 7 2026

.rest of today...south winds 5 to 10 knots. a slight chance of
showers and thunderstorms late this morning, then 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 071359
glfsc 
expires:202608072200;;772040

lake st clair forecast
national weather service detroit/pontiac mi
959 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...light southerly flow through tonight 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 evening. high pressure, 30.00 inches, slides
east through the ohio valley saturday night, allowing winds to
become southerly once again for sunday.


lcz460-072200-
lake st clair-
959 am edt fri aug 7 2026

.rest of today...south winds around 10 knots. partly sunny. 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 071343
glflh 
expires:202608072145;;771452

open lake forecast for lake huron
national weather service detroit/pontiac mi
943 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...light southerly flow through tonight 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 evening. high pressure, 30.00 inches, slides
east through the ohio valley saturday night, allowing winds to
become southerly once again for sunday.


lhz462>464-072145-
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-
943 am edt fri aug 7 2026

.rest of today...south winds 5 to 15 knots. a chance of showers 
in the afternoon. waves 2 feet or less. 
.tonight...south winds 10 to 15 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 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 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 2 feet or less. 
.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 071404
glflm 
expires:202608072115;;772336

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
904 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 this morning over primarily the southern portion
of the lake may linger into the early afternoon.

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.


lmz261-362-364-366-563-565-567-868-072115-
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-
904 am cdt fri aug 7 2026

sheboygan wi to pentwater mi north...

.rest of today...south winds 10 to 20 kt increasing to 15 to
25 kt. patchy fog this afternoon. waves 1 to 3 ft building to
3 to 5 ft. 
.tonight...south winds 15 to 25 kt becoming west 10 to 20 kt.
chance of showers and slight chance of thunderstorms in the
evening, then slight chance of showers and thunderstorms
overnight. patchy fog overnight. waves 3 to 5 ft subsiding to
2 to 4 ft. 
.saturday...northwest winds 10 to 20 kt backing to southwest.
waves 1 to 3 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.
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 071404
glflm 
expires:202608072115;;772337

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
904 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 this morning over primarily the southern portion
of the lake may linger into the early afternoon.

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.


lmz080-669-671-673-675-777-779-870-872-874-876-878-072115-
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-
904 am cdt fri aug 7 2026

sheboygan wi to pentwater mi south...

.rest of today...south winds 10 to 15 kt increasing to 15 to
25 kt. waves 1 to 3 ft building to 2 to 4 ft. 
.tonight...south winds 10 to 20 kt becoming southwest. slight
chance of showers and thunderstorms overnight. waves 2 to 4 ft
subsiding to 1 to 3 ft. 
.saturday...west winds 10 to 20 kt becoming north 10 to 15 kt.
waves 1 to 3 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 in the afternoon. 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.  

$$