fzus61 kcle 202002
glfle 
expires:202607210230;;306684

open lake forecast for lake erie
national weather service cleveland oh
402 pm edt mon jul 20 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...
high pressure 30.00 inches builds off to the east coast this
evening as a warm front lifts north across the lake late tonight
through early tuesday morning. a cold front will pass west to east
over the lake late tuesday with troughing averaging 29.70 inches
persists through early wednesday. high pressure 30.10 inches builds
into the region late wednesday through friday. 


lez162-163-210230-
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-
402 pm edt mon jul 20 2026

.tonight...south winds 5 to 15 knots becoming southwest 15 to
20 knots. patchy smoke through the early overnight. a chance of
showers and thunderstorms after midnight. showers likely with a
chance of thunderstorms late. waves 1 to 3 feet. 
.tuesday...southwest winds 15 to 25 knots becoming west. a chance
of showers and thunderstorms. waves 2 to 4 feet. 
.tuesday night...west winds 15 to 20 knots becoming northwest.
patchy smoke in the evening. waves 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...north winds 5 to 10 knots. waves 2 feet or
less. 
.thursday...north winds 10 knots or less becoming south. waves
1 foot or less. 
.friday...south 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 202002
glfle 
expires:202607210230;;306685

open lake forecast for lake erie
national weather service cleveland oh
402 pm edt mon jul 20 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...
high pressure 30.00 inches builds off to the east coast this
evening as a warm front lifts north across the lake late tonight
through early tuesday morning. a cold front will pass west to east
over the lake late tuesday with troughing averaging 29.70 inches
persists through early wednesday. high pressure 30.10 inches builds
into the region late wednesday through friday. 


lez164>167-210230-
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-
402 pm edt mon jul 20 2026

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

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 201955
glfsc 
expires:202607210400;;306346

lake st clair forecast
national weather service detroit/pontiac mi
355 pm edt mon jul 20 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 influence wanes across the central great
lakes today with dry initial conditions, then a cold front passes
through tonight into tuesday. this leads to periods of showers
and thunderstorms. wet weather could persist on tuesday before
high pressure from alberta/manitoba builds in by tuesday evening
with a drying effect.


lcz460-210400-
lake st clair-
355 pm edt mon jul 20 2026

...small craft advisory in effect from late tonight through
tuesday evening...

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

$$

fzus63 kdtx 201955
glflh 
expires:202607210400;;306342

open lake forecast for lake huron
national weather service detroit/pontiac mi
355 pm edt mon jul 20 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 influence wanes across the central great
lakes today with dry initial conditions, then a cold front passes
through tonight into tuesday. this leads to periods of showers
and thunderstorms. wet weather could persist on tuesday before
high pressure from alberta/manitoba builds in by tuesday evening
with a drying effect.


lhz462>464-210400-
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-
355 pm edt mon jul 20 2026

.tonight...south winds 15 to 20 knots. gusts to 30 knots early in
the morning. patchy smoke. a chance of thunderstorms after
midnight. waves 3 to 5 feet building to 5 to 7 feet early in the
morning. waves occasionally around 10 feet. 
.tuesday...southwest winds 15 to 20 knots with gusts to around
30 knots decreasing to 10 to 15 knots in the afternoon. a chance
of showers and thunderstorms. waves 3 to 5 feet. 
.tuesday night...northwest winds 15 to 20 knots increasing to
20 to 25 knots with gusts to around 30 knots in the late evening
and overnight. waves 8 to 12 feet. waves occasionally around
15 feet. 
.wednesday...northwest winds 20 to 25 knots decreasing to 15 to
20 knots early in the afternoon. gusts to 30 knots. waves 10 to
14 feet. waves occasionally around 18 feet. 
.wednesday night...north winds 15 to 20 knots becoming northwest
10 to 15 knots in the late evening and overnight. waves 8 to
12 feet subsiding to 5 to 7 feet after midnight. waves
occasionally around 15 feet. 
.thursday...west winds 5 to 10 knots backing to the south late in
the afternoon. waves 3 to 5 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 backing to the southeast
early in the evening...then becoming south 10 to 15 knots by
midnight. waves 2 feet or less. 


$$

fzus63 kmkx 202103
glflm 
expires:202607210300;;310068

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
403 pm cdt mon jul 20 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...

wildfire smoke still encompasses parts of the lake but it is no
longer dense and no longer significantly impacting visibilities
and thus the marine dense smoke advisory is no longer in effect.

low pressure around 29.4 inches tracking southeast across manitoba
into ontario will drag a cold front across the lake tonight. 
south to southwest winds ahead of the front have become gusty. an
occasional gale force gust will be possible this afternoon and 
evening over the northern half of the lake. strong to severe 
thunderstorms will also be possible this afternoon through tonight
across the entire lake. winds will veer northwest behind the cold
front and remain gusty. then winds veer due north later tuesday 
into tuesday night with gusts to gale force possible. heading into
wednesday winds are expected to diminish becoming light and 
variable by wednesday night as high pressures around 30.1 inches 
builds into the great lakes region.


lmz261-362-364-366-563-565-567-868-210300-
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 mon jul 20 2026

sheboygan wi to pentwater mi north...

.tonight...south gales to 35 kt becoming southwest late this
evening, then diminishing to 30 kt after midnight becoming west
15 to 25 kt late. patchy smoke this evening. chance of showers
and thunderstorms this evening, then slight chance of
thunderstorms overnight. waves 7 to 10 ft occasionally to 13 ft
subsiding to 4 to 6 ft occasionally to 8 ft. 
.tuesday...west winds 15 to 25 kt becoming northwest to 30 kt,
then increasing to gales to 35 kt late. patchy smoke in the
morning. slight chance of showers. waves 4 to 6 ft occasionally
to 8 ft building to 5 to 8 ft occasionally to 10 ft. 
.tuesday night...northwest gales to 35 kt becoming north to
30 kt. waves 6 to 9 ft occasionally to 12 ft. 
.wednesday...north winds to 30 kt becoming northwest. waves 5 to
8 ft occasionally to 10 ft subsiding to 4 to 7 ft occasionally to
9 ft. 
.wednesday night...west winds 15 to 25 kt diminishing to 5 to
10 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 1 to 3 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 15 to 25 kt becoming south to 30 kt.
waves 2 to 4 ft building to 3 to 5 ft.  

$$

fzus63 kmkx 202103
glflm 
expires:202607210300;;310069

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
403 pm cdt mon jul 20 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...

wildfire smoke still encompasses parts of the lake but it is no
longer dense and no longer significantly impacting visibilities
and thus the marine dense smoke advisory is no longer in effect.

low pressure around 29.4 inches tracking southeast across manitoba
into ontario will drag a cold front across the lake tonight. 
south to southwest winds ahead of the front have become gusty. an
occasional gale force gust will be possible this afternoon and 
evening over the northern half of the lake. strong to severe 
thunderstorms will also be possible this afternoon through tonight
across the entire lake. winds will veer northwest behind the cold
front and remain gusty. then winds veer due north later tuesday 
into tuesday night with gusts to gale force possible. heading into
wednesday winds are expected to diminish becoming light and 
variable by wednesday night as high pressures around 30.1 inches 
builds into the great lakes region.


lmz080-669-671-673-675-777-779-870-872-874-876-878-210300-
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 mon jul 20 2026

sheboygan wi to pentwater mi south...

.tonight...south winds to 30 kt becoming west. patchy smoke this
evening. chance of showers and thunderstorms. waves 5 to 8 ft
occasionally to 10 ft. 
.tuesday...west winds to 30 kt becoming northwest. slight chance
of showers in the afternoon. waves 4 to 7 ft occasionally to 9 ft
subsiding to 4 to 6 ft occasionally to 8 ft. 
.tuesday night...north winds to 30 kt. waves 4 to 7 ft
occasionally to 9 ft building to 7 to 10 ft occasionally to
13 ft. 
.wednesday...north winds to 30 kt. waves 7 to 10 ft occasionally
to 13 ft. 
.wednesday night...north winds to 30 kt backing to west 5 to
10 kt overnight. waves 4 to 7 ft occasionally to 9 ft subsiding
to 2 to 4 ft. 
.thursday...west winds 10 to 15 kt becoming southwest 10 to
20 kt. waves 1 to 2 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 3 ft. 
.saturday...southwest winds 10 to 20 kt becoming south 15 to
25 kt. waves 1 to 2 ft building to 2 to 4 ft.  

$$