fzus61 kcle 061330
glfle 
expires:202608062015;;715124

open lake forecast for lake erie
national weather service cleveland oh
930 am 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 just northwest of the
lake today. another trough averaging 29.90 inches will enter the
great lakes region friday into saturday and extend a cold front
across the lake on saturday night. a ridge averaging 30.00 inches
will briefly build into the region on sunday and a warm front will
cross the lake. low pressure 29.80 inches will enter the great
lakes for monday.


lez162>164-062015-
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-
930 am edt thu aug 6 2026

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

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 061350
glfsc 
expires:202608062200;;715561

lake st clair forecast
national weather service detroit/pontiac mi
950 am 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...another round of showers and thunderstorms is possible
this afternoon and evening as a cold front slowly drifts across
the great lakes. brief period of high pressure, 30.00 inches,
fills in overnight ahead of the next cold front which tracks
through this weekend.


lcz460-062200-
lake st clair-
950 am edt thu aug 6 2026

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

$$

fzus63 kdtx 061350
glflh 
expires:202608062200;;715558

open lake forecast for lake huron
national weather service detroit/pontiac mi
950 am 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...another round of showers and thunderstorms is possible
this afternoon and evening as a cold front slowly drifts across
the great lakes. brief period of high pressure, 30.00 inches,
fills in overnight ahead of the next cold front which tracks
through this weekend.


lhz462>464-062200-
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-
950 am edt thu aug 6 2026

.rest of today...light and variable winds becoming north 5 to
10 knots late in the afternoon. waves 2 feet or less. 
.tonight...northeast winds 5 to 10 knots early in the evening
becoming light and variable. waves 2 feet or less. 
.friday...light and variable winds becoming south 5 to 10 knots
in the late morning and afternoon. a chance of showers in the
afternoon. waves 2 feet or less. 
.friday night...southeast winds 5 to 10 knots veering to the
south after midnight. waves 2 feet or less. 
.saturday...southwest winds 5 to 10 knots veering to the west
late in the afternoon...then becoming light and variable late in
the evening. a chance of showers. waves 2 feet or less. 
.sunday...southwest winds 5 to 10 knots. a chance of showers .
waves 2 feet or less. 
.monday...southwest winds 5 to 10 knots backing to the east by
midnight. a chance of showers early in the morning...then a
chance of thunderstorms until early evening. rain showers likely.
waves 2 feet or less. 


$$

fzus63 kmkx 061359
glflm 
expires:202608062115;;715833

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
859 am 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 winds are expected today as high pressure of 30.0 inches 
gradually moves through the region. patchy fog is ongoing over
northwest portions of lake michigan. light south winds will 
develop tonight, then increase by friday afternoon as the high 
departs to the east and low pressure of 29.8 inches reaches lake 
superior from the west. scattered showers and storms are possible 
friday night as the low drags a cold front across the lake. west 
to northwest winds behind the front later friday night into early 
saturday will quickly return to southerly by saturday evening 
ahead of the next approaching low pressure system.


lmz261-362-364-366-563-565-567-868-062115-
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-
859 am cdt thu aug 6 2026

sheboygan wi to pentwater mi north...

.rest of today...southeast winds less than 10 kt increasing to
5 to 10 kt. waves 1 ft or less. 
.tonight...southeast winds 5 to 10 kt becoming southwest. 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 becoming southwest 10 to
20 kt. chance of showers. waves 2 to 4 ft. 
.saturday...northwest winds 10 to 20 kt becoming west. waves 1 to
3 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 1 to 3 ft. 
.monday...northeast winds 10 to 20 kt veering to south 15 to
25 kt. chance of showers and thunderstorms. waves 1 to 3 ft. 

$$

fzus63 kmkx 061359
glflm 
expires:202608062115;;715834

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
859 am 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 winds are expected today as high pressure of 30.0 inches 
gradually moves through the region. patchy fog is ongoing over
northwest portions of lake michigan. light south winds will 
develop tonight, then increase by friday afternoon as the high 
departs to the east and low pressure of 29.8 inches reaches lake 
superior from the west. scattered showers and storms are possible 
friday night as the low drags a cold front across the lake. west 
to northwest winds behind the front later friday night into early 
saturday will quickly return to southerly by saturday evening 
ahead of the next approaching low pressure system.


lmz080-669-671-673-675-777-779-870-872-874-876-878-062115-
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-
859 am cdt thu aug 6 2026

sheboygan wi to pentwater mi south...

.rest of today...east winds 5 to 10 kt becoming southeast. slight
chance of showers through mid morning. waves 1 ft or less. 
.tonight...southeast winds 5 to 10 kt veering to southwest.
patchy fog overnight. waves nearly calm. 
.friday...southwest winds 5 to 10 kt becoming south 10 to 20 kt.
waves 1 ft or less building to 2 to 4 ft. 
.friday night...south winds 10 to 20 kt becoming southwest. 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. waves 1 to
3 ft. 
.monday...southwest winds 10 to 20 kt becoming south 15 to 25 kt.
showers likely with a chance of thunderstorms. waves 2 to 4 ft.  

$$