fzus61 kcle 190827
glfle 
expires:202608191430;;982218

open lake forecast for lake erie
national weather service cleveland oh
427 am edt wed aug 19 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 will sweep across lake erie today followed by high 
pressure 30.10 inches building into the region thursday through 
friday. low pressure 29.90 inches moves into the great lake on 
saturday with a cold front crossing late saturday night into 
sunday.


lez162>164-191430-
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-
427 am edt wed aug 19 2026

.today...west winds 15 to 20 knots diminishing to 10 knots or
less. a chance of waterspouts early. a chance of showers with a
slight chance of thunderstorms early. waves 2 feet or less. 
.tonight...southeast winds 10 knots or less becoming east. a
slight chance of showers and thunderstorms early, then a chance
of showers with a slight chance of thunderstorms late in the
evening. a chance of showers after midnight. waves 1 foot or
less. 
.thursday...east winds 5 to 10 knots becoming northeast. waves
1 foot or less. 
.thursday night...east winds 5 to 10 knots becoming southeast.
waves 1 foot or less. 
.friday...southeast winds 10 knots or less becoming south. waves
1 foot or less. 
.saturday...southwest winds 10 to 15 knots becoming northwest.
showers likely with a chance of thunderstorms during the day.
waves 2 feet or less. 
.sunday...northwest winds 10 to 15 knots. waves 1 to 2 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 190741
glfsc 
expires:202608191545;;979951

lake st clair forecast
national weather service detroit/pontiac mi
341 am edt wed aug 19 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...high pressure, 30.00 inches, builds in tonight and
thursday providing light winds. showers and thunderstorm chances
increase friday evening and especially saturday ahead of the next
cold front.


lcz460-191545-
lake st clair-
341 am edt wed aug 19 2026

.today...west winds 10 to 15 knots becoming northwest 5 to 10 knots
in the late morning and early afternoon...then veering to the
northeast late in the afternoon. partly sunny. waves 2 feet or less.
.tonight...northeast winds 5 to 10 knots. partly cloudy. waves 2
feet or less.
.thursday...northeast winds 5 to 10 knots. partly sunny. waves 2
feet or less.
.thursday night...east winds 5 to 10 knots. clear. waves 2 feet or
less.
.friday...southeast winds 5 to 10 knots increasing to 10 to 15 knots
in the afternoon and evening. mostly clear. waves 2 feet or less.
.saturday...northwest winds 5 to 10 knots. partly cloudy. showers
likely and a chance of thunderstorms. waves 2 feet or less.
.sunday...north winds 10 to 15 knots. mostly clear. waves 2 feet or
less.

$$

fzus63 kdtx 190741
glflh 
expires:202608191545;;979938

open lake forecast for lake huron
national weather service detroit/pontiac mi
341 am edt wed aug 19 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...high pressure, 30.00 inches, builds in tonight and
thursday providing light winds. showers and thunderstorm chances
increase friday evening and especially saturday ahead of the next
cold front.


lhz462>464-191545-
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-
341 am edt wed aug 19 2026

.today...northwest winds 10 to 15 knots becoming north 5 to
10 knots in the afternoon. waves 1 to 3 feet. 
.tonight...light and variable winds. waves 2 feet or less. 
.thursday...light and variable winds becoming north 5 to 10 knots
early in the afternoon. waves 2 feet or less. 
.thursday night...north winds 5 to 10 knots veering to the
southeast after midnight. waves 2 feet or less. 
.friday...southeast winds 5 to 10 knots increasing to 10 to
15 knots. a chance of showers late in the evening. waves 1 to
3 feet. 
.saturday...south winds 5 to 10 knots veering to the southwest in
the late morning and early afternoon...then veering to the west
early in the evening becoming northwest 10 to 15 knots by
midnight. showers likely early in the morning. a chance of
thunderstorms. a chance of showers . waves 1 to 3 feet building
to 3 to 5 feet by midnight. 
.sunday...northwest winds 15 to 20 knots decreasing to 10 to
15 knots by midnight. a chance of showers. waves 4 to 6 feet.
waves occasionally around 8 feet. 


$$

fzus63 kmkx 190753
glflm 
expires:202608191515;;980318

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
253 am cdt wed aug 19 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...

a cold front continues to slowly work its way southward down lake
michigan through this morning. behind this front expect light 
north-northwesterly winds eventually become more variable as high
pressure around 30.0 inches tracks through the western great 
lakes today through thursday. then as the high pressure exits, 
southwesterly winds and thunderstorm chances return later friday 
as another system drags another cold front across the upper great 
lakes region.


lmz261-362-364-366-563-565-567-868-191515-
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-
253 am cdt wed aug 19 2026

sheboygan wi to pentwater mi north...

.today...northwest winds 5 to 10 kt increasing to 10 to 15 kt
late this morning, then becoming west early this afternoon
becoming southwest 10 to 20 kt late. waves 1 to 2 ft. 
.tonight...south winds 10 to 15 kt diminishing to 5 to 10 kt.
waves 1 to 2 ft. 
.thursday...southwest winds 5 to 10 kt becoming south 10 to
20 kt. waves 1 ft or less building to 1 to 3 ft. 
.thursday night...south winds 10 to 20 kt. waves 2 to 4 ft. 
.friday...southwest winds 15 to 25 kt increasing to 30 kt.
showers likely in the morning, then chance of showers in the
afternoon. waves 3 to 5 ft. 
.friday night...southwest winds 15 to 25 kt veering to northwest
10 to 20 kt. chance of showers. waves 3 to 5 ft subsiding to 2 to
4 ft. 
.saturday...northwest winds 15 to 25 kt becoming north to 30 kt.
waves 1 to 3 ft. 
.sunday...northwest winds to 30 kt becoming north gales to 35 kt.
waves 3 to 5 ft.  

$$

fzus63 kmkx 190753
glflm 
expires:202608191515;;980319

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
253 am cdt wed aug 19 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...

a cold front continues to slowly work its way southward down lake
michigan through this morning. behind this front expect light 
north-northwesterly winds eventually become more variable as high
pressure around 30.0 inches tracks through the western great 
lakes today through thursday. then as the high pressure exits, 
southwesterly winds and thunderstorm chances return later friday 
as another system drags another cold front across the upper great 
lakes region.


lmz080-669-671-673-675-777-779-870-872-874-876-878-191515-
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-
253 am cdt wed aug 19 2026

sheboygan wi to pentwater mi south...

.today...north winds 5 to 10 kt increasing to 10 to 15 kt. waves
1 to 3 ft subsiding to 1 to 2 ft. 
.tonight...northeast winds 10 to 15 kt becoming east 5 to 10 kt.
waves 1 to 2 ft. 
.thursday...southeast winds 5 to 10 kt becoming south late in the
morning, then becoming south 10 to 15 kt early in the afternoon
increasing to 10 to 20 kt late. waves 1 ft or less building to
1 to 3 ft. 
.thursday night...south winds 10 to 20 kt. waves 1 to 3 ft. 
.friday...southwest winds 10 to 20 kt becoming south to 30 kt in
the afternoon. chance of showers. waves 3 to 5 ft. 
.friday night...southwest winds 15 to 25 kt becoming west 10 to
20 kt. chance of showers. waves 3 to 5 ft. 
.saturday...northwest winds 15 to 25 kt becoming north to 30 kt.
waves 2 to 4 ft. 
.sunday...north winds 15 to 25 kt increasing to 30 kt. waves 4 to
6 ft occasionally to 8 ft.  

$$