fzus61 kcle 070149
glfle 
expires:202608070815;;744248

open lake forecast for lake erie
national weather service cleveland oh
949 pm edt thu aug 6 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 trough averaging 30.00 inches will remain to the northwest of
the lake through friday morning. another trough averaging 29.90
inches will enter the region from the west friday into saturday. a
ridge averaging 30.00 inches will build in briefly on sunday
followed by low pressure 29.90 inches on monday and persisting
through tuesday.


lez162>164-070815-
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-
949 pm edt thu aug 6 2026

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

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 070148
glfsc 
expires:202608071000;;744240

lake st clair forecast
national weather service detroit/pontiac mi
948 pm edt thu aug 6 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.


lcz460-071000-
lake st clair-
948 pm edt thu aug 6 2026

.rest of tonight...southeast winds 5 to 10 knots veering to the
south early in the morning. mostly cloudy. a chance of light
showers. waves 2 feet or less.
.friday...south winds 5 to 10 knots. mostly cloudy. a chance of
light showers in the morning...then light showers likely and a
chance of thunderstorms in the afternoon. waves 2 feet or less.
.friday night...southwest winds 5 to 10 knots. partly cloudy. light
showers likely early in the evening. a chance of thunderstorms. a
chance of light showers by midnight. waves 2 feet or less.
.saturday...southwest winds 5 to 10 knots increasing to 10 to 15
knots early in the afternoon. partly sunny. a chance of light
showers. a chance of thunderstorms early in the afternoon. waves 2
feet or less.
.saturday night...west winds 10 to 15 knots becoming northwest 5 to
10 knots in the late evening and overnight. clear. a chance of
showers and thunderstorms early in the evening. waves 2 feet or
less.
.sunday...southwest winds 5 to 10 knots increasing to 10 to 15 knots
in the afternoon and evening. mostly sunny...then partly cloudy with
a chance of showers and thunderstorms in the evening. waves 2 feet
or less.
.monday...southwest winds 10 to 15 knots. showers and a chance of
thunderstorms. waves 2 feet or less.
.tuesday...northwest winds 15 to 20 knots. partly cloudy. showers
and a chance of thunderstorms. waves 2 feet or less.

$$

fzus63 kdtx 070148
glflh 
expires:202608071000;;744238

open lake forecast for lake huron
national weather service detroit/pontiac mi
948 pm edt thu aug 6 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>464-071000-
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-
948 pm edt thu aug 6 2026

.rest of tonight...light and variable winds. waves 2 feet or
less. 
.friday...southeast winds 5 to 10 knots. waves 2 feet or less. 
.friday night...southeast winds 5 to 10 knots veering to the
south after midnight. a chance of showers. waves 2 feet or less. 
.saturday...southwest winds 5 to 10 knots. a chance of showers.
waves 2 feet or less. 
.saturday night...west winds 5 to 10 knots early in the evening
becoming light and variable. waves 2 feet or less. 
.sunday...southwest winds 5 to 10 knots increasing to 10 to
15 knots late in the morning...then becoming south 5 to 10 knots
late in the afternoon. a chance of showers late in the afternoon.
waves 1 to 3 feet. 
.monday...southwest winds 5 to 10 knots. a chance of showers
early in the morning. a chance of thunderstorms. rain showers
likely . waves 2 feet or less. 
.tuesday...west winds 5 to 10 knots veering to the northwest
early in the evening...then becoming light and variable by
midnight. a chance of showers early in the morning. waves 2 feet
or less. 


$$

fzus63 kmkx 070212
glflm 
expires:202608070915;;745323

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
912 pm cdt thu aug 6 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...

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.


lmz261-362-364-366-563-565-567-868-070915-
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-
912 pm cdt thu aug 6 2026

sheboygan wi to pentwater mi north...

.rest of tonight...southeast winds 5 to 10 kt becoming south.
waves 1 ft or less. 
.friday...south winds 10 to 15 kt increasing to 15 to 25 kt.
waves 1 to 3 ft building to 2 to 4 ft. 
.friday night...south winds 15 to 25 kt veering to west 10 to
20 kt. chance of showers. waves 3 to 5 ft. 
.saturday...northwest winds 10 to 20 kt becoming west. waves 2 to
4 ft. 
.saturday night...southwest winds 10 to 20 kt diminishing to
10 to 15 kt. waves 1 to 2 ft. 
.sunday...southwest winds 10 to 20 kt. waves 2 to 4 ft. 
.sunday night...south winds 10 to 20 kt diminishing to 10 to
15 kt. chance of showers. waves 2 to 4 ft. 
.monday...southeast winds 10 to 20 kt becoming south 15 to 25 kt.
chance of showers and thunderstorms. waves 1 to 3 ft.
.tuesday...north winds 10 to 15 kt becoming west 10 to 20 kt.
waves 1 to 2 ft.  

$$

fzus63 kmkx 070212
glflm 
expires:202608070915;;745324

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
912 pm cdt thu aug 6 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...

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.


lmz080-669-671-673-675-777-779-870-872-874-876-878-070915-
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-
912 pm cdt thu aug 6 2026

sheboygan wi to pentwater mi south...

.rest of tonight...southeast winds 5 to 10 kt becoming south.
waves 1 ft or less. 
.friday...southwest winds 5 to 10 kt becoming south 15 to 25 kt.
waves 1 to 2 ft building to 2 to 4 ft. 
.friday night...south winds 10 to 20 kt becoming west. waves 2 to
4 ft. 
.saturday...northwest winds 10 to 20 kt becoming north. waves
2 to 4 ft. 
.saturday night...south winds 10 to 15 kt. waves 1 to 3 ft. 
.sunday...south winds 10 to 20 kt. chance of showers in the
morning, then chance of showers and thunderstorms 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. 
.monday...southwest winds 10 to 20 kt becoming south 15 to 25 kt.
showers likely with a chance of thunderstorms. waves 1 to 3 ft. 
.tuesday...northwest winds 10 to 15 kt increasing to 10 to 20 kt.
chance of showers. waves 1 to 3 ft.  

$$