fzus61 kcle 190109
glfle 
expires:202605190815;;797260

open lake forecast for lake erie
national weather service cleveland oh
909 pm edt mon may 18 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...
pressure will fall tonight and tuesday ahead of a cold front late
tuesday into early tuesday night. a ridge averaging 30.30 inches 
will build in wednesday holding through thursday night. a trough
averaging 30.30 inches moves in for the weekend.


lez162>164-190815-
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-
909 pm edt mon may 18 2026

.rest of tonight...southwest winds 10 to 15 knots. a chance of
showers and thunderstorms late this evening, then a slight chance
of showers after midnight. a chance of showers with a slight
chance of thunderstorms late. waves 1 to 2 feet. 
.tuesday...south winds 15 to 20 knots becoming southwest. a
chance of showers with a slight chance of thunderstorms early,
then a slight chance of showers and thunderstorms late in the
morning. a chance of showers and thunderstorms late. waves 1 to
3 feet. 
.tuesday night...southwest winds 15 to 20 knots becoming
northwest 10 to 15 knots. showers with a chance of thunderstorms.
waves 1 to 3 feet. 
.wednesday...north winds 5 to 15 knots becoming northeast. a
chance of showers in the morning. waves 1 to 3 feet. 
.wednesday night...northeast winds 10 to 15 knots increasing to
15 to 20 knots. waves 1 to 3 feet. 
.thursday...northeast winds 15 to 20 knots becoming east. waves
1 to 3 feet. 
.friday...east winds 15 to 20 knots. a chance of showers during
the day, then showers friday night. waves 2 to 4 feet subsiding
to 1 to 3 feet. 
.saturday...southeast winds 15 to 20 knots diminishing to 5 to
15 knots. a chance of showers and thunderstorms during the day,
then a chance of showers saturday night. waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 190158
glfsc 
expires:202605191000;;798514

lake st clair forecast
national weather service detroit/pontiac mi
958 pm edt mon may 18 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 sweeps across the region this evening,
veering winds from southwest to northwest. strong to severe
thunderstorms will be possible ahead of this cold front. high
pressure, 30.50 inches, then builds in mid-week.


lcz460-191000-
lake st clair-
958 pm edt mon may 18 2026

...small craft advisory in effect until 10 pm edt this evening...
...small craft advisory in effect from tuesday morning through
tuesday evening...

.rest of tonight...southwest winds 10 to 15 knots. mostly cloudy
becoming partly cloudy after midnight becoming mostly cloudy. waves
1 to 3 feet.
.tuesday...southwest winds 15 to 20 knots increasing to 20 to 25
knots with gusts to 30 knots in the afternoon. mostly cloudy early
in the morning becoming partly sunny. a chance of light showers
early in the morning. light showers likely and a chance of
thunderstorms late in the afternoon. waves 1 to 3 feet building to 2
to 4 feet in the afternoon.
.tuesday night...southwest winds 15 to 20 knots becoming west 10 to
15 knots by midnight...then becoming north 15 to 20 knots after
midnight. mostly cloudy. showers likely early in the evening. a
chance of thunderstorms. a chance of light showers in the late
evening and overnight. waves 1 to 3 feet.
.wednesday...north winds 15 to 20 knots diminishing to 10 to 15
knots in the late morning and afternoon. partly sunny. a chance of
light showers early in the morning. waves 1 to 3 feet.
.wednesday night...northeast winds 15 to 20 knots diminishing to 10
to 15 knots after midnight. partly cloudy. waves 1 to 3 feet.
.thursday...northeast winds 10 to 15 knots diminishing to 5 to 10
knots in the afternoon...then increasing to 10 to 15 knots in the
evening. mostly sunny becoming partly cloudy. waves 2 feet or less.
.friday...east winds 20 to 25 knots. mostly cloudy. showers likely.
waves 1 to 3 feet.
.saturday...east winds 20 to 25 knots. mostly cloudy with showers
likely. waves 2 to 4 feet.

$$

fzus63 kdtx 190157
glflh 
expires:202605191000;;798511

open lake forecast for lake huron
national weather service detroit/pontiac mi
957 pm edt mon may 18 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 sweeps across the region tomorrow 
evening, veering winds from southwest to northwest. strong to 
severe thunderstorms will be possible ahead of this cold front. 
high pressure, 30.50 inches, then builds in mid-week.


lhz462>464-191000-
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-
957 pm edt mon may 18 2026

...dense fog advisory in effect until 4 pm edt tuesday...

.rest of tonight...south winds 10 to 15 knots. waves 2 to 4 feet.
.tuesday...south winds 15 to 20 knots. a chance of showers and
thunderstorms in the afternoon. waves 3 to 5 feet. 
.tuesday night...southwest winds 15 to 20 knots becoming west
10 to 15 knots in the late evening and overnight. a chance of
showers and thunderstorms in the evening...then a chance of
showers after midnight. waves 3 to 5 feet. 
.wednesday...north winds 10 to 15 knots. waves 4 to 6 feet. 
.wednesday night...north winds 10 to 15 knots. waves 4 to 6 feet.
waves occasionally around 8 feet. 
.thursday...northeast winds 5 to 10 knots becoming north 10 to
15 knots late in the afternoon...then becoming northeast 5 to
10 knots late in the evening. waves 2 to 4 feet subsiding to 1 to
3 feet. 
.friday...east winds 5 to 10 knots increasing to 15 to 20 knots.
a chance of showers by midnight. waves 1 to 3 feet building to
3 to 5 feet . 
.saturday...east winds 15 to 20 knots decreasing to 10 to
15 knots. a chance of showers. waves 3 to 5 feet subsiding to
2 to 4 feet by midnight. 


$$

fzus63 kmkx 190147
glflm 
expires:202605190915;;798176

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
847 pm cdt mon may 18 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 dense fog advisory is in effect tonight through tuesday morning
for the north half of the lake as relatively mild and humid air
flows over the cold lake waters. otherwise modest to breezy
southerly winds will develop tonight and last into early tuesday
afternoon, then followed by the passage of a cold front. winds
will shift to northwesterly with the cold frontal passage and
remain a bit breezy. scattered thunderstorms can be expected over
the central and southern portion of the lake late tonight into
tuesday. high pressure around 30.4 inches will then move into
the northern great lakes for wednesday afternoon into thursday. 
light to modest north to northeast winds can be expected. 



lmz261-362-364-366-563-565-567-868-190915-
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-
847 pm cdt mon may 18 2026

sheboygan wi to pentwater mi north...

...dense fog advisory in effect until noon cdt tuesday...

.rest of tonight...south winds 10 to 20 kt increasing to 30 kt.
widespread dense fog. slight chance of rain showers through early
evening, then chance of rain showers and thunderstorms overnight.
waves 4 to 7 ft occasionally to 9 ft. 
.tuesday...south winds to 30 kt becoming west. widespread dense
fog in the morning, then patchy fog in the afternoon. slight
chance of showers and thunderstorms in the morning, then 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...northwest winds 15 to 25 kt. waves 3 to 5 ft. 
.wednesday...north winds 15 to 25 kt. waves 2 to 4 ft. 
.wednesday night...northeast winds 10 to 20 kt diminishing to
10 to 15 kt. waves 1 to 3 ft subsiding to 1 to 2 ft. 
.thursday...east winds 5 to 10 kt becoming northeast 10 to 20 kt
in the afternoon. waves 1 to 2 ft. 
.thursday night...northeast winds 10 to 15 kt becoming east.
waves 1 to 3 ft. 
.friday...east winds 10 to 20 kt becoming northeast 15 to 25 kt.
waves 2 to 4 ft. 
.saturday...northeast winds 15 to 25 kt. chance of rain showers.
waves 3 to 5 ft.  

$$

fzus63 kmkx 190147
glflm 
expires:202605190915;;798177

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
847 pm cdt mon may 18 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 dense fog advisory is in effect tonight through tuesday morning
for the north half of the lake as relatively mild and humid air
flows over the cold lake waters. otherwise modest to breezy
southerly winds will develop tonight and last into early tuesday
afternoon, then followed by the passage of a cold front. winds
will shift to northwesterly with the cold frontal passage and
remain a bit breezy. scattered thunderstorms can be expected over
the central and southern portion of the lake late tonight into
tuesday. high pressure around 30.4 inches will then move into
the northern great lakes for wednesday afternoon into thursday. 
light to modest north to northeast winds can be expected. 



lmz080-669-671-673-675-777-779-870-872-874-876-878-190915-
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-
847 pm cdt mon may 18 2026

sheboygan wi to pentwater mi south...

.rest of tonight...south winds 15 to 25 kt increasing to 30 kt.
slight chance of showers through early evening, then chance of
showers and thunderstorms overnight. patchy fog overnight. waves
4 to 7 ft occasionally to 9 ft. 
.tuesday...south winds to 30 kt becoming west 15 to 25 kt. patchy
fog in the morning. slight chance of showers and thunderstorms in
the morning, then chance of showers and slight chance of
thunderstorms in the afternoon. waves 4 to 7 ft occasionally to
9 ft subsiding to 4 to 6 ft occasionally to 8 ft. 
.tuesday night...northwest winds 10 to 20 kt becoming north.
waves 3 to 5 ft. 
.wednesday...north winds 10 to 20 kt increasing to 15 to 25 kt.
waves 4 to 6 ft occasionally to 8 ft. 
.wednesday night...northeast winds 15 to 25 kt diminishing to
10 to 20 kt. waves 4 to 6 ft occasionally to 8 ft subsiding to
3 to 5 ft. 
.thursday...east winds 10 to 20 kt becoming northeast. waves 2 to
4 ft. 
.thursday night...northeast winds 10 to 20 kt becoming east.
waves 2 to 4 ft. 
.friday...east winds 10 to 20 kt becoming northeast. chance of
showers. waves 2 to 4 ft. 
.saturday...northeast winds 10 to 20 kt becoming north 10 to
15 kt. waves 3 to 5 ft subsiding to 2 to 4 ft.  

$$