fzus61 kcle 272001
glfle 
expires:202607280230;;711262

open lake forecast for lake erie
national weather service cleveland oh
401 pm edt mon jul 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...
low pressure 29.70 inches will move east across lake erie tonight
followed by a cold front during the day tuesday. a trough 
averaging 29.80 inches will linger over the lake through thursday
before a ridge averaging 30.00 inches builds east across the 
region thursday and friday. the high will drift east on saturday 
as low pressure 29.90 inches moves east across the tennessee and 
ohio valleys.


lez162-163-280230-
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-
401 pm edt mon jul 27 2026

.tonight...southwest winds 10 to 15 knots increasing to 15 to
20 knots. showers likely with a chance of thunderstorms through
the early overnight, then a chance of showers with a slight
chance of thunderstorms late. waves 1 to 3 feet. 
.tuesday...northwest winds 15 to 20 knots becoming north. waves
2 to 4 feet. 
.tuesday night...north winds 15 to 20 knots. waves 2 to 4 feet. 
.wednesday...north winds 15 to 20 knots. waves 2 to 4 feet. 
.wednesday night...north winds 15 to 20 knots diminishing to
10 to 15 knots. waves 1 to 3 feet. 
.thursday...north winds 5 to 15 knots becoming east less than
10 knots. waves 2 feet or less. 
.friday...south winds 10 knots or less. waves 1 foot or less. 
.saturday...south winds 10 knots or less becoming east. a chance
of showers and thunderstorms during the day, then a chance of
showers saturday night. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 272001
glfle 
expires:202607280230;;711263

open lake forecast for lake erie
national weather service cleveland oh
401 pm edt mon jul 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...
low pressure 29.70 inches will move east across lake erie tonight
followed by a cold front during the day tuesday. a trough 
averaging 29.80 inches will linger over the lake through thursday
before a ridge averaging 30.00 inches builds east across the 
region thursday and friday. the high will drift east on saturday 
as low pressure 29.90 inches moves east across the tennessee and 
ohio valleys.


lez164>168-280230-
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-geneva-on-
the-lake to conneaut oh beyond 5 nm off shoreline to us-
canadian border-
401 pm edt mon jul 27 2026

.tonight...southwest winds 10 to 15 knots increasing to 15 to
20 knots. showers with a chance of thunderstorms. waves 1 to
3 feet building to 3 to 5 feet. 
.tuesday...northwest winds 15 to 25 knots. a chance of showers
with a slight chance of thunderstorms early. a slight chance of
showers and thunderstorms late. waves 3 to 6 feet building to
4 to 7 feet. waves occasionally around 9 feet. 
.tuesday night...northwest winds 20 to 25 knots becoming north.
waves 4 to 7 feet. waves occasionally around 9 feet. 
.wednesday...north winds 15 to 25 knots becoming northwest. waves
4 to 7 feet subsiding to 3 to 6 feet. waves occasionally around
9 feet. 
.wednesday night...north winds 15 to 25 knots. waves 3 to 6 feet
subsiding to 2 to 4 feet. 
.thursday...north winds 5 to 15 knots. waves 1 to 3 feet. 
.friday...northwest winds less than 10 knots becoming south.
waves 1 foot or less. 
.saturday...south winds 10 knots or less becoming southeast. a
chance of showers saturday night. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 271947
glfsc 
expires:202607280400;;710790

lake st clair forecast
national weather service detroit/pontiac mi
347 pm edt mon jul 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...a low pressure system tracks through the region this
evening, pulling a cold front southward overnight into tuesday
morning. the low will stall near the eastern great lakes while
high pressure builds into the western great lakes tuesday into
thursday. this maintains a period of moderate northerly flow
through midweek.


lcz460-280400-
lake st clair-
347 pm edt mon jul 27 2026

.tonight...southwest winds 10 to 15 knots. partly cloudy this
evening becoming partly cloudy early in the morning. a chance of
thunderstorms in the evening. showers. waves 2 feet or less.
.tuesday...north winds 15 to 20 knots. partly sunny. waves 2 to 4
feet subsiding to 1 to 3 feet in the afternoon.
.tuesday night...north winds 20 to 25 knots diminishing to 15 to 20
knots after midnight. mostly clear. waves 2 to 4 feet.
.wednesday...north winds 20 to 25 knots diminishing to 15 to 20
knots early in the afternoon. gusts to 30 knots. sunny. waves 2 to 4
feet. a small craft advisory may be needed.
.wednesday night...north winds 20 to 25 knots with gusts to 30 knots
diminishing to 10 to 15 knots. clear. waves 1 to 3 feet.
.thursday...north winds 10 to 15 knots becoming northeast 5 to 10
knots in the evening. clear. waves 2 feet or less.
.friday...southeast winds 5 to 10 knots. partly cloudy. waves 2 feet
or less.
.saturday...east winds 5 to 10 knots. mostly cloudy. a chance of
showers and thunderstorms. waves 2 feet or less.

$$

fzus63 kdtx 271947
glflh 
expires:202607280400;;710785

open lake forecast for lake huron
national weather service detroit/pontiac mi
347 pm edt mon jul 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...a low pressure system tracks through the region this
evening, pulling a cold front southward overnight into tuesday
morning. the low will stall near the eastern great lakes while
high pressure builds into the western great lakes tuesday into
thursday. this maintains a period of moderate northerly flow
through midweek.


lhz462>464-280400-
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-
347 pm edt mon jul 27 2026

.tonight...south winds 5 to 10 knots becoming north 10 to
15 knots early in the morning. a chance of showers and
thunderstorms in the evening...then showers after midnight. waves
2 feet or less building to 2 to 4 feet early in the morning. 
.tuesday...north winds 15 to 20 knots increasing to 20 to
25 knots with gusts to around 30 knots in the late morning and
afternoon. waves 6 to 9 feet building to 8 to 12 feet late in the
afternoon. waves occasionally around 15 feet. 
.tuesday night...north winds 20 to 25 knots decreasing to 15 to
20 knots in the late evening and overnight. gusts to 30 knots.
waves 6 to 9 feet. waves occasionally around 12 feet. 
.wednesday...north winds 20 to 25 knots with gusts to around
30 knots. waves 6 to 9 feet. waves occasionally around 12 feet. 
.wednesday night...north winds 15 to 20 knots with gusts to
around 30 knots decreasing to 10 to 15 knots in the late evening
and overnight. waves 4 to 6 feet. waves occasionally around
8 feet. 
.thursday...north winds 5 to 10 knots in the morning increasing
to 10 to 15 knots...then decreasing to 5 to 10 knots late in the
afternoon becoming light and variable. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.friday...light and variable winds. waves 2 feet or less. 
.saturday...light and variable winds becoming east 5 to 10 knots
early in the evening...then becoming light and variable by
midnight. a chance of showers . waves 2 feet or less. 


$$

fzus63 kmkx 271941
glflm 
expires:202607280330;;710608

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

severe storms will end later this afternoon over far southern lake
michigan. otherwise low pressure around 29.5 inches over central
wisconsin will move to the lower great lakes for tuesday morning.
its cold front will move north to south across lake michigan
during the evening. northerly winds are expected to gust around 
30 kt over central and southern lake michigan tonight through
tuesday. much lighter northerly winds are then expected late
tuesday night into wednesday as high pressure around 30.0 inches 
builds into the northern great lakes. the high will maintain light
winds for thursday and friday as well. 


lmz261-362-364-366-868-280330-
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 pentwater to manistee mi 5 nm offshore to mid
lake-
241 pm cdt mon jul 27 2026

rock island passage to charlevoix mi north...

.tonight...north winds 10 to 20 kt increasing to 30 kt. isolated
showers and thunderstorms this evening. waves 4 to 7 ft
occasionally to 9 ft. 
.tuesday...north winds to 30 kt. waves 4 to 7 ft occasionally to
9 ft. 
.tuesday night...north winds 15 to 25 kt diminishing to 10 to
15 kt. waves 3 to 5 ft subsiding to 1 to 3 ft. 
.wednesday...north winds 10 to 20 kt becoming northwest 15 to
25 kt. waves 1 to 3 ft. 
.wednesday night...southwest winds 10 to 20 kt becoming south
5 to 10 kt overnight. waves 1 to 3 ft subsiding to 1 ft or less. 
.thursday...south winds 10 to 15 kt becoming southwest. waves
1 ft or less. 
.thursday night...south winds 10 to 15 kt becoming southwest 5 to
10 kt. waves 1 to 2 ft. 
.friday...southwest winds 10 to 15 kt increasing to 10 to 20 kt.
chance of showers. waves 1 to 2 ft. 
.saturday...north winds 10 to 15 kt increasing to 10 to 20 kt.
chance of showers. waves 1 to 2 ft.  

$$

fzus63 kmkx 271941
glflm 
expires:202607280330;;710611

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

severe storms will end later this afternoon over far southern lake
michigan. otherwise low pressure around 29.5 inches over central
wisconsin will move to the lower great lakes for tuesday morning.
its cold front will move north to south across lake michigan
during the evening. northerly winds are expected to gust around 
30 kt over central and southern lake michigan tonight through
tuesday. much lighter northerly winds are then expected late
tuesday night into wednesday as high pressure around 30.0 inches 
builds into the northern great lakes. the high will maintain light
winds for thursday and friday as well. 


lmz080-669-777-779-870-872-874-876-878-280330-
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 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-
241 pm cdt mon jul 27 2026

sheboygan wi to pentwater mi south...

.tonight...southwest winds 15 to 25 kt veering to north to 30 kt.
scattered showers and thunderstorms this evening. waves 4 to 6 ft
occasionally to 8 ft building to 6 to 9 ft occasionally to 12 ft.
.tuesday...north winds to 30 kt. waves 6 to 9 ft occasionally to
12 ft. 
.tuesday night...north winds to 30 kt diminishing to 10 to 15 kt.
waves 7 to 10 ft occasionally to 13 ft subsiding to 3 to 5 ft. 
.wednesday...north winds 10 to 20 kt increasing to 15 to 25 kt.
waves 2 to 4 ft. 
.wednesday night...north winds 10 to 20 kt becoming northeast
5 to 10 kt overnight. waves 2 to 4 ft subsiding to 1 to 3 ft. 
.thursday...south winds 5 to 10 kt increasing to 10 to 15 kt.
waves 1 to 2 ft. 
.thursday night...south winds 10 to 15 kt becoming southwest 5 to
10 kt. waves 1 to 2 ft. 
.friday...southwest winds 10 to 15 kt. waves 1 to 2 ft. 
.saturday...northwest winds 10 to 15 kt increasing to 10 to
20 kt. chance of showers. waves 1 to 2 ft.  

$$

fzus63 kmkx 271654
glflm 
expires:202607280300;;701384

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
1153 am cdt mon jul 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...

severe storms are expected this morning and afternoon. very 
strong winds, and hail are possible with these storms. storms will
move north to south across the lake ahead of a cold front that
will progress north to south this afternoon hours. northerly 
winds are expected behind the front, with gusts around 30 kt 
expected. gusts to gale force cannot be ruled out as low pressure 
deepens to 29.5 inches over the eastern great lakes tuesday. winds
will remain northerly through wednesday as high pressure around 
30.0 inches builds into the northern great lakes, then will become
lighter and more variable into thursday and friday as high 
pressure builds overhead.


lmz868-280300-
lake michigan from pentwater to manistee mi 5 nm offshore to mid
lake-
1154 am cdt mon jul 27 2026

wilmette harbor il to st. joseph mi south to rock island passage
to charlevoix mi...

...severe thunderstorm watch 520 in effect until 7 pm cdt this
evening...

.tonight...north winds 10 to 20 kt increasing to 30 kt. patchy
fog in the evening. chance of showers and thunderstorms in the
evening. waves 2 to 4 ft building to 4 to 7 ft occasionally to
9 ft. 
.tuesday...north winds to 30 kt. waves 4 to 7 ft occasionally to
9 ft. 
.tuesday night...north winds to 30 kt diminishing to 10 to 20 kt
overnight. waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to
4 ft. 
.wednesday...north winds 10 to 20 kt becoming northwest 15 to
25 kt. waves 1 to 3 ft. 
.wednesday night...south winds 10 to 20 kt diminishing to 5 to
10 kt. waves 1 to 3 ft subsiding to 1 ft or less. 
.thursday...south winds 10 to 15 kt. waves 1 ft or less. 
.friday...southwest winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 2 ft.  

$$

fzus63 kmkx 271654
glflm 
expires:202607280300;;701385

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
1153 am cdt mon jul 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...

severe storms are expected this morning and afternoon. very 
strong winds, and hail are possible with these storms. storms will
move north to south across the lake ahead of a cold front that
will progress north to south this afternoon hours. northerly 
winds are expected behind the front, with gusts around 30 kt 
expected. gusts to gale force cannot be ruled out as low pressure 
deepens to 29.5 inches over the eastern great lakes tuesday. winds
will remain northerly through wednesday as high pressure around 
30.0 inches builds into the northern great lakes, then will become
lighter and more variable into thursday and friday as high 
pressure builds overhead.


lmz080-669-671-673-675-777-779-870-872-874-876-878-280300-
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-
1154 am cdt mon jul 27 2026

sheboygan wi to pentwater mi south...

...severe thunderstorm watch 520 in effect until 7 pm cdt this
evening...

.tonight...southwest winds 15 to 25 kt veering to north to 30 kt.
chance of showers and slight chance of thunderstorms in the
evening. waves 3 to 5 ft building to 5 to 8 ft occasionally to
10 ft. 
.tuesday...north winds to 30 kt. waves 7 to 10 ft occasionally to
13 ft. 
.tuesday night...north gales to 35 kt diminishing to 15 to 25 kt
overnight. waves 7 to 10 ft occasionally to 13 ft. 
.wednesday...north winds 10 to 20 kt increasing to 15 to 25 kt.
waves 3 to 5 ft. 
.wednesday night...north winds 10 to 20 kt becoming northeast
5 to 10 kt. waves 2 to 4 ft subsiding to 1 to 3 ft. 
.thursday...south winds 5 to 10 kt increasing to 10 to 15 kt.
waves 1 to 2 ft. 
.friday...southwest winds 10 to 15 kt becoming south. chance of
showers. waves 1 to 2 ft.  

$$