fzus61 kcle 071945
glfle 
expires:202608080215;;787161

open lake forecast for lake erie
national weather service cleveland oh
345 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...
low pressure 29.60 inches gliding east across ontario into quebec
will drag a cold front east across lake erie on saturday into 
saturday 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>164-080215-
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-
345 pm edt fri aug 7 2026

.tonight...south winds 5 to 15 knots becoming southwest. a slight
chance of showers and thunderstorms early, then a chance of
showers and thunderstorms. a chance of showers with a slight
chance of thunderstorms late. 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 071938
glfsc 
expires:202608080345;;786889

lake st clair forecast
national weather service detroit/pontiac mi
338 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.


lcz460-080345-
lake st clair-
338 pm edt fri aug 7 2026

.tonight...south winds 10 to 15 knots becoming southwest 5 to 10
knots after midnight. 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...northwest winds 5 to 10 knots veering to the north
after midnight. mostly clear. waves 2 feet or less.
.sunday...north winds 5 to 10 knots backing to the south in the late
morning and early afternoon...then increasing to 10 to 15 knots
early in the afternoon. partly sunny early in the morning then
clearing. waves 2 feet or less.
.sunday night...south winds 10 to 15 knots. partly cloudy becoming
mostly cloudy. a chance of light showers ...then 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. partly sunny. showers likely. a chance of
thunderstorms in the afternoon and evening. showers in the evening.
waves 2 feet or less.
.tuesday...northeast winds 10 to 15 knots. mostly cloudy. showers
and a chance of thunderstorms. waves 2 feet or less.
.wednesday...northeast winds 5 to 10 knots. partly cloudy. a chance
of showers and thunderstorms. waves 2 feet or less.

$$

fzus63 kdtx 071938
glflh 
expires:202608080345;;786884

open lake forecast for lake huron
national weather service detroit/pontiac mi
338 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>464-080345-
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-
338 pm edt fri aug 7 2026

.tonight...southeast winds 5 to 10 knots veering to the south
early in the morning. waves 2 feet or less. 
.saturday...southwest winds 5 to 10 knots. 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 by midnight...then decreasing to 5 to 10 knots after
midnight. a chance of showers. waves 1 to 3 feet. 
.monday...southwest winds 5 to 10 knots backing to the southeast
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...west 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...north winds 5 to 10 knots backing to the northwest
early in the evening...then veering to the northwest 5 to
10 knots by midnight. a chance of showers by midnight. waves
2 feet or less. 


$$

fzus63 kmkx 072103
glflm 
expires:202608080300;;790453

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
403 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 along a front will
swing through tonight across the lake. scattered showers and 
storms are possible tonight as this 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.


lmz261-362-364-366-563-565-567-868-080300-
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-
403 pm cdt fri aug 7 2026

sheboygan wi to pentwater mi north...

.tonight...south winds 15 to 25 kt becoming west 10 to 20 kt.
chance of showers and slight chance of thunderstorms. 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 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.
chance of showers in the afternoon. waves 2 to 4 ft. 
.sunday night...southwest winds 10 to 20 kt veering to northwest
5 to 10 kt overnight. chance of showers. waves 2 to 4 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 to 2 ft. 
.wednesday...northwest winds 10 to 15 kt becoming west 10 to
20 kt. waves 1 to 2 ft.  

$$

fzus63 kmkx 072103
glflm 
expires:202608080300;;790454

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
403 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 along a front will
swing through tonight across the lake. scattered showers and 
storms are possible tonight as this 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.


lmz080-669-671-673-675-777-779-870-872-874-876-878-080300-
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-
403 pm cdt fri aug 7 2026

sheboygan wi to pentwater mi south...

.tonight...south winds 15 to 25 kt becoming west 10 to 20 kt.
waves 2 to 4 ft subsiding to 1 to 3 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 2 to
4 ft. 
.sunday night...south winds 10 to 20 kt becoming southwest 10 to
15 kt. showers likely with a chance of thunderstorms. waves 2 to
4 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 3 ft. 
.tuesday...northeast winds 10 to 15 kt becoming north. chance of
showers. waves 1 to 3 ft. 
.wednesday...northeast winds 5 to 10 kt becoming north 10 to
20 kt. waves 1 ft or less.  

$$