fzus61 kcle 270758
glfle 
expires:202608271415;;434138

open lake forecast for lake erie
national weather service cleveland oh
358 am edt thu aug 27 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 cold front crosses the lake this morning, followed by a trailing
surface trough tonight. high pressure of 30.10 inches builds into
the great lakes friday before settling to the mid-atlantic region
sunday. a warm front moves north across lake erie sunday night 
ahead of low pressure approaching the western great lakes.


lez162>164-271415-
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-
358 am edt thu aug 27 2026

.today...west winds 10 knots or less. waves 2 feet or less. 
.tonight...west winds 10 knots or less becoming northeast 10 to
15 knots. a chance of waterspouts after midnight. waves 2 feet or
less. 
.friday...northeast winds 5 to 15 knots becoming east. waves
2 feet or less. 
.friday night...east winds 5 to 10 knots becoming south. waves
1 foot or less. 
.saturday...south winds 5 to 10 knots. waves 1 foot or less. 
.sunday...southwest winds around 10 knots. waves 2 feet or less. 
.monday...southwest winds 5 to 10 knots. a chance of showers
during the day. waves 1 to 2 feet. 

$$

fzus63 kdtx 270744
glfsc 
expires:202608271600;;433905

lake st clair forecast
national weather service detroit/pontiac mi
344 am edt thu aug 27 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...moderate northwest winds in place through daytime
thursday following the passage of a cold front. high pressure,
30.20 inches, then expands over the central great lakes to close
out the week.


lcz460-271600-
lake st clair-
344 am edt thu aug 27 2026

.today...west winds 5 to 10 knots veering to the northwest late in
the afternoon. mostly sunny. waves 2 feet or less.
.tonight...north winds 5 to 10 knots. partly cloudy. waves 2 feet or
less.
.friday...north winds 5 to 10 knots. mostly sunny. waves 2 feet or
less.
.friday night...east winds 5 to 10 knots veering to the south after
midnight. mostly clear. waves 2 feet or less.
.saturday...south winds 5 to 10 knots. mostly sunny in the morning
becoming partly cloudy. waves 2 feet or less.
.sunday...south winds 10 to 15 knots. partly cloudy. a chance of
showers. waves 2 feet or less.
.monday...southwest winds 5 to 10 knots. partly cloudy. a chance of
showers. waves 2 feet or less.

$$

fzus63 kdtx 270744
glflh 
expires:202608271600;;433903

open lake forecast for lake huron
national weather service detroit/pontiac mi
344 am edt thu aug 27 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...moderate northwest winds in place through daytime
thursday following the passage of a cold front. high pressure,
30.20 inches, then expands over the central great lakes to close
out the week.


lhz462>464-271600-
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-
344 am edt thu aug 27 2026

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


$$

fzus63 kmkx 270746
glflm 
expires:202608271530;;433969

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
246 am cdt thu aug 27 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...

modest northerly winds will continue today as the low pressure
trough of 29.9 inches exits michigan and the upper great lakes.  
winds then become light and variable tonight and friday as high 
pressure of 30.2 inches moves from the northern great lakes to the
lower great lakes. 

high pressure then pulls east saturday and low pressure of 29.8
inches will slowly approach from the great plains. breezy 
southerly winds will develop for the weekend, but gusts are
expected to remain below gale force.


lmz261-362-364-366-563-565-567-868-271530-
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-
246 am cdt thu aug 27 2026

sheboygan wi to pentwater mi north...

.today...northwest winds 10 to 20 kt becoming north 15 to 25 kt.
waves 2 to 4 ft. 
.tonight...northeast winds 15 to 25 kt diminishing to 5 to 10 kt.
waves 1 to 3 ft subsiding to 1 to 2 ft. 
.friday...northeast winds 5 to 10 kt veering to southeast 10 to
15 kt. waves 1 to 2 ft. 
.friday night...southeast winds 10 to 15 kt becoming south 10 to
20 kt. waves 1 to 3 ft. 
.saturday...southwest winds 15 to 25 kt increasing to 30 kt.
chance of showers in the morning. waves 2 to 4 ft building to
3 to 5 ft. 
.saturday night...south winds to 30 kt diminishing to 15 to
25 kt. chance of showers. waves 4 to 6 ft occasionally to 8 ft. 
.sunday...south winds to 30 kt. showers likely with a chance of
thunderstorms. waves 4 to 7 ft occasionally to 9 ft. 
.monday...south winds 15 to 25 kt. chance of showers. waves 3 to
5 ft.  

$$

fzus63 kmkx 270746
glflm 
expires:202608271530;;433970

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
246 am cdt thu aug 27 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...

modest northerly winds will continue today as the low pressure
trough of 29.9 inches exits michigan and the upper great lakes.  
winds then become light and variable tonight and friday as high 
pressure of 30.2 inches moves from the northern great lakes to the
lower great lakes. 

high pressure then pulls east saturday and low pressure of 29.8
inches will slowly approach from the great plains. breezy 
southerly winds will develop for the weekend, but gusts are
expected to remain below gale force.


lmz080-669-671-673-675-777-779-870-872-874-876-878-271530-
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-
246 am cdt thu aug 27 2026

sheboygan wi to pentwater mi south...

.today...northwest winds 10 to 20 kt becoming north. waves 2 to
4 ft. 
.tonight...northeast winds 10 to 20 kt diminishing to 10 to 15 kt
late in the evening, then diminishing to 5 to 10 kt after
midnight becoming east late. waves 1 to 3 ft subsiding to 1 to
2 ft. 
.friday...east winds 5 to 10 kt becoming southeast 10 to 15 kt.
waves 1 to 2 ft. 
.friday night...south winds 10 to 15 kt increasing to 10 to
20 kt. waves 1 to 3 ft. 
.saturday...southwest winds 15 to 25 kt becoming south to 30 kt.
waves 2 to 4 ft building to 4 to 6 ft occasionally to 8 ft. 
.saturday night...south winds 15 to 25 kt. chance of showers.
waves 4 to 6 ft occasionally to 8 ft. 
.sunday...south winds to 30 kt. chance of showers. waves 4 to
7 ft occasionally to 9 ft. 
.monday...south winds 15 to 25 kt. chance of showers. waves 3 to
5 ft.  

$$