fzus61 kcle 271318
glfle 
expires:202607272015;;694231

open lake forecast for lake erie
national weather service cleveland oh
918 am 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 over the northern great lakes will move
southeast towards the lower great lakes and upper ohio valley
today. the low will deepen to 29.50 inches while dragging a cold 
front southeast across lake erie tonight through tuesday. a trough
averaging 29.80 inches will linger through wednesday before a
ridge averaging 30.00 inches moves over the lower great lakes 
thursday into friday.


lez164>168-272015-
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-
918 am edt mon jul 27 2026

.rest of today...southwest winds 5 to 10 knots. a slight chance
of showers and thunderstorms late this morning. waves 2 feet or
less. 
.tonight...southwest winds 5 to 15 knots increasing to 15 to
20 knots. a chance of showers and thunderstorms in the evening,
then showers with a chance of thunderstorms after midnight. waves
1 to 3 feet building to 3 to 5 feet. 
.tuesday...west winds 15 to 25 knots becoming northwest to
30 knots. showers in the morning, then a chance of showers in the
afternoon. waves 3 to 6 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. waves 4 to 7 feet
subsiding to 3 to 6 feet. waves occasionally around 9 feet. 
.thursday...north winds 5 to 15 knots becoming northwest. waves
1 to 3 feet. 
.friday...southwest winds 10 knots or less becoming south. waves
1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 271318
glfle 
expires:202607272015;;694230

open lake forecast for lake erie
national weather service cleveland oh
918 am 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 over the northern great lakes will move
southeast towards the lower great lakes and upper ohio valley
today. the low will deepen to 29.50 inches while dragging a cold 
front southeast across lake erie tonight through tuesday. a trough
averaging 29.80 inches will linger through wednesday before a
ridge averaging 30.00 inches moves over the lower great lakes 
thursday into friday.


lez162-163-272015-
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-
918 am edt mon jul 27 2026

.rest of today...west winds around 10 knots becoming southwest. a
slight chance of showers late this morning. a slight chance of
showers and thunderstorms late. waves 2 feet or less. 
.tonight...southwest winds 10 to 15 knots increasing to 15 to
20 knots. a chance of showers and thunderstorms early, then
showers with a chance of thunderstorms. a slight chance of
showers and thunderstorms late. waves 1 to 3 feet. 
.tuesday...northwest winds 15 to 20 knots becoming north. waves
1 to 3 feet building to 2 to 4 feet. 
.tuesday night...north winds 15 to 20 knots. waves 2 to 4 feet. 
.wednesday...north winds 15 to 20 knots diminishing to 10 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.thursday...north winds 5 to 15 knots becoming south 10 knots or
less. waves 2 feet or less. 
.friday...southwest winds 10 knots or less. waves 1 foot or less.

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 271351
glflh 
expires:202607272200;;694724

open lake forecast for lake huron
national weather service detroit/pontiac mi
951 am 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...light and variable winds through monday give way to
stronger northerly winds for tuesday, gusting 25 to 30 knots
south half. potential for strong to severe thunderstorms, mainly
monday afternoon and evening along and ahead of a cold front.


lhz462>464-272200-
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-
951 am edt mon jul 27 2026

.rest of today...light and variable winds becoming south 5 to
10 knots in the afternoon. a chance of thunderstorms in the
afternoon. waves 2 feet or less. 
.tonight...south winds 5 to 10 knots. numerous thunderstorms and
a chance of showers in the evening...then numerous showers and
scattered thunderstorms after midnight. waves 2 feet or less. 
.tuesday...north winds 10 to 15 knots increasing to 15 to
20 knots in the late morning and afternoon. scattered showers in
the morning. waves 3 to 5 feet building to 5 to 7 feet early in
the afternoon. waves occasionally around 10 feet. 
.tuesday night...north winds 15 to 20 knots increasing to 20 to
25 knots with gusts to around 30 knots after midnight. waves 5 to
7 feet. waves occasionally around 10 feet. 
.wednesday...north winds 20 to 25 knots with gusts to around
30 knots decreasing to 10 to 15 knots. waves 5 to 7 feet. waves
occasionally around 10 feet. 
.thursday...north winds 5 to 10 knots becoming light and
variable. waves 1 to 3 feet. 
.friday...light and variable winds becoming south 5 to 10 knots .
a chance of showers by midnight. waves 2 feet or less. 


$$

fzus63 kdtx 271351
glfsc 
expires:202607272200;;694720

lake st clair forecast
national weather service detroit/pontiac mi
951 am 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...light and variable winds through monday give way to
stronger northerly winds for tuesday, gusting 25 to 30 knots
south half. potential for strong to severe thunderstorms, mainly
monday afternoon and evening along and ahead of a cold front.


lcz460-272200-
lake st clair-
951 am edt mon jul 27 2026

.rest of today...southwest winds 5 to 10 knots increasing to 10 to
15 knots in the afternoon. partly sunny. waves 2 feet or less.
.tonight...southwest winds 5 to 10 knots veering to the west early
in the morning. partly cloudy becoming mostly cloudy by midnight
becoming partly cloudy. numerous thunderstorms in the evening.
showers likely. scattered thunderstorms after midnight. waves 2 feet
or less.
.tuesday...north winds 10 to 15 knots increasing to 15 to 20 knots
in the late morning and afternoon. partly sunny. scattered light
showers early in the morning. waves 1 to 3 feet.
.tuesday night...north winds 15 to 20 knots increasing to 20 to 25
knots in the late evening and overnight. mostly clear. waves 1 to 3
feet building to 2 to 4 feet in the late evening and overnight.
.wednesday...north winds 20 to 25 knots with gusts to 30 knots
diminishing to 15 to 20 knots with gusts to 30 knots in the
afternoon and evening. mostly sunny in the morning becoming clear.
waves 2 to 4 feet subsiding to 1 to 3 feet in the afternoon and
evening. a small craft advisory may be needed.
.thursday...northeast winds 10 to 15 knots. clear. waves 2 feet or
less.
.friday...south winds 5 to 10 knots. partly cloudy. a chance of
showers. waves 2 feet or less.

$$

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.  

$$

fzus63 kmkx 271403
glflm 
expires:202607272115;;695201

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
903 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.


lmz261-362-364-366-563-565-567-868-272115-
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-
903 am cdt mon jul 27 2026

sheboygan wi to pentwater mi north...

.rest of today...southwest winds 15 to 25 kt becoming south.
patchy fog. chance of showers and slight chance of thunderstorms
late this morning, then showers likely with a chance of
thunderstorms this afternoon. waves 2 to 4 ft. 
.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.  

$$