fzus61 kcle 210800
glfle 
expires:202607211415;;337282

open lake forecast for lake erie
national weather service cleveland oh
400 am edt tue jul 21 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 strong cold front will move east across lake erie today with a
trough averaging 29.90 inches lingering over the lower great lakes
through wednesday. high pressure 30.20 inches will expand east
across the region thursday before drifting eastward friday into
saturday.


lez162-163-211415-
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-
400 am edt tue jul 21 2026

.today...southwest winds 15 to 20 knots becoming west. showers
likely with a chance of thunderstorms early, then a chance of
showers and thunderstorms. a slight chance of showers and
thunderstorms late. waves 2 to 4 feet. 
.tonight...west winds 15 to 20 knots becoming northwest. a slight
chance of showers and thunderstorms early. waves 1 to 3 feet
building to 2 to 4 feet. 
.wednesday...northwest winds 15 to 20 knots diminishing to 10 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.wednesday night...northwest winds 5 to 10 knots becoming north.
waves 2 feet or less. 
.thursday...north winds 10 knots or less becoming southeast.
waves 1 foot or less. 
.friday...southeast winds 10 knots or less becoming east. waves
1 foot or less. 
.saturday...northeast winds 10 knots or less becoming southwest.
waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 210800
glfle 
expires:202607211415;;337283

open lake forecast for lake erie
national weather service cleveland oh
400 am edt tue jul 21 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 strong cold front will move east across lake erie today with a
trough averaging 29.90 inches lingering over the lower great lakes
through wednesday. high pressure 30.20 inches will expand east
across the region thursday before drifting eastward friday into
saturday.


lez164>167-211415-
the islands to vermilion oh beyond 5 nm off shoreline to us-
canadian border-
vermilion to avon point oh beyond 5 nm off shoreline to us-
canadian border-
avon point to willowick oh beyond 5 nm off shoreline to us-
canadian border-willowick to geneva-on-the-
lake oh beyond 5nm off shoreline to us-canadian border-
400 am edt tue jul 21 2026

.today...southwest winds 15 to 25 knots. a chance of showers and
thunderstorms early, then showers likely with a chance of
thunderstorms late this morning. a chance of showers and
thunderstorms this afternoon. waves 5 to 8 feet. waves
occasionally around 10 feet. 
.tonight...west winds 15 to 20 knots becoming northwest. a chance
of showers and thunderstorms in the evening, then a chance of
showers after midnight. a slight chance of showers late. waves
3 to 6 feet. 
.wednesday...northwest winds 15 to 20 knots diminishing to 10 to
15 knots. waves 3 to 5 feet subsiding to 2 to 4 feet. 
.wednesday night...northwest winds 10 to 15 knots becoming north.
waves 2 to 4 feet subsiding to 1 to 3 feet. 
.thursday...north winds 10 knots or less becoming southeast.
waves 1 foot or less. 
.friday...southeast winds 5 to 10 knots. waves 1 foot or less. 
.saturday...northwest winds 10 knots or less becoming southwest.
waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 210738
glfsc 
expires:202607211545;;336730

lake st clair forecast
national weather service detroit/pontiac mi
338 am edt tue jul 21 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...a cold front tracks across the great lakes late
tonight, with potential for strong to severe thunderstorms in its
wake. a second cold front then sweeps across the area tuesday
evening, bringing a brief period of gusts to gale force. high
pressure fills in mid-week for a drier pattern to end the work
week.


lcz460-211545-
lake st clair-
338 am edt tue jul 21 2026

...small craft advisory in effect through this evening...

.today...southwest winds 20 to 25 knots becoming west 15 to 20 knots
in the afternoon. partly sunny. a chance of showers and
thunderstorms early in the morning. light showers likely and a
chance of thunderstorms in the afternoon. patchy smoke late in the
afternoon. waves 2 to 4 feet subsiding to 1 to 3 feet in the late
morning and afternoon.
.tonight...northwest winds 15 to 20 knots increasing to 20 to 25
knots with gusts to 30 knots in the late evening and overnight.
mostly clear. a chance of showers and thunderstorms early in the
evening. patchy smoke early in the evening. waves 1 to 3 feet
building to 2 to 4 feet after midnight.
.wednesday...northwest winds 20 to 25 knots diminishing to 10 to 15
knots. mostly sunny. waves 1 to 3 feet.
.wednesday night...north winds 10 to 15 knots diminishing to 5 to 10
knots after midnight. clear. waves 2 feet or less.
.thursday...north winds 5 to 10 knots in the morning becoming light
and variable...then becoming southeast 5 to 10 knots in the evening.
clear. waves 2 feet or less.
.friday...southeast winds 5 to 10 knots. mostly clear. waves 2 feet
or less.
.saturday...south winds 5 to 10 knots. mostly clear. waves 2 feet or
less.

$$

fzus63 kdtx 210737
glflh 
expires:202607211545;;336685

open lake forecast for lake huron
national weather service detroit/pontiac mi
337 am edt tue jul 21 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...a cold front tracks across the great lakes late
tonight, with potential for strong to severe thunderstorms in its
wake. a second cold front then sweeps across the area tuesday
evening, bringing a brief period of gusts to gale force. high
pressure fills in mid-week for a drier pattern to end the work
week.


lhz462>464-211545-
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-
337 am edt tue jul 21 2026

.today...southwest winds 15 to 20 knots with gusts to around
30 knots becoming west 10 to 15 knots in the afternoon. a chance
of showers and thunderstorms. waves 3 to 5 feet. 
.tonight...northwest winds 15 to 20 knots increasing to 20 to
25 knots with gusts to around 30 knots in the late evening and
overnight. a chance of showers and thunderstorms in the evening.
waves 6 to 9 feet. waves occasionally around 11 feet. 
.wednesday...northwest winds 20 to 25 knots decreasing to 15 to
20 knots early in the afternoon. waves 8 to 12 feet. waves
occasionally around 15 feet. 
.wednesday night...northwest winds 10 to 15 knots. waves 5 to
7 feet. waves occasionally around 10 feet. 
.thursday...northwest winds 5 to 10 knots in the morning becoming
light and variable...then becoming south 5 to 10 knots late in
the afternoon. waves 2 to 4 feet subsiding to 2 feet or less. 
.friday...southwest winds 5 to 10 knots backing to the southeast
. waves 2 feet or less. 
.saturday...south winds 5 to 10 knots early in the morning
becoming light and variable...then becoming south 5 to 10 knots .
waves 2 feet or less. 


$$

fzus63 kmkx 210802
glflm 
expires:202607211530;;337395

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
302 am cdt tue jul 21 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 tracking east through ontario is dragging a cold 
front across the lake early this morning. gusty south to 
southwest winds ahead of the front are expected. winds will veer 
northwest behind the cold front and remain gusty. winds then veer
north tonight, with a few gusts to gale force possible. winds are
expected to gradually weaken by thursday, as high pressure around
30.2 inches builds into the great lakes region.


lmz261-362-364-366-563-565-567-868-211530-
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-
302 am cdt tue jul 21 2026

sheboygan wi to pentwater mi north...

.today...west winds 15 to 25 kt becoming northwest to 30 kt from
late morning on. slight chance of showers this morning, then
slight chance of showers and thunderstorms this afternoon. waves
4 to 7 ft occasionally to 9 ft building to 6 to 9 ft occasionally
to 12 ft. 
.tonight...northwest winds to 30 kt. waves 7 to 10 ft
occasionally to 13 ft subsiding to 6 to 9 ft occasionally to
12 ft. 
.wednesday...north winds to 30 kt. waves 5 to 8 ft occasionally
to 10 ft subsiding to 3 to 5 ft. 
.wednesday night...northwest winds 15 to 25 kt becoming west
10 to 15 kt overnight. waves 2 to 4 ft subsiding to 1 to 2 ft. 
.thursday...west winds 10 to 20 kt becoming southwest 15 to
25 kt. waves 2 to 4 ft. 
.thursday night...southwest winds 15 to 25 kt. waves 2 to 4 ft. 
.friday...southwest winds 10 to 20 kt increasing to 15 to 25 kt.
waves 2 to 4 ft. 
.saturday...southwest winds to 30 kt becoming south. waves 2 to
4 ft.  

$$

fzus63 kmkx 210802
glflm 
expires:202607211530;;337396

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
302 am cdt tue jul 21 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 tracking east through ontario is dragging a cold 
front across the lake early this morning. gusty south to 
southwest winds ahead of the front are expected. winds will veer 
northwest behind the cold front and remain gusty. winds then veer
north tonight, with a few gusts to gale force possible. winds are
expected to gradually weaken by thursday, as high pressure around
30.2 inches builds into the great lakes region.


lmz080-669-671-673-675-777-779-870-872-874-876-878-211530-
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-
302 am cdt tue jul 21 2026

sheboygan wi to pentwater mi south...

.today...west winds 15 to 25 kt becoming northwest to 30 kt.
waves 4 to 7 ft occasionally to 9 ft. 
.tonight...north winds to 30 kt. slight chance of showers in the
evening. waves 7 to 10 ft occasionally to 13 ft building to 8 to
11 ft occasionally to 14 ft, then subsiding to 7 to 10 ft
occasionally to 13 ft. 
.wednesday...north winds to 30 kt. waves 7 to 10 ft occasionally
to 13 ft subsiding to 5 to 8 ft occasionally to 10 ft. 
.wednesday night...north winds 15 to 25 kt becoming northwest
5 to 10 kt overnight. waves 4 to 6 ft occasionally to 8 ft
subsiding to 2 to 4 ft. 
.thursday...west winds 10 to 15 kt becoming southwest 10 to
20 kt. waves 1 to 3 ft. 
.thursday night...south winds 10 to 20 kt becoming southwest.
waves 1 to 3 ft. 
.friday...southwest winds 10 to 15 kt becoming south 10 to 20 kt.
waves 1 to 2 ft. 
.saturday...southwest winds 10 to 20 kt becoming south 15 to
25 kt. waves 1 to 2 ft building to 1 to 3 ft.  

$$