fzus61 kcle 121943
glfle 
expires:202605130215;;452177

open lake forecast for lake erie
national weather service cleveland oh
343 pm edt tue may 12 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 warm front will cross the lake today. low pressure 29.60 inches
will move southeast across the great lakes tonight into wednesday.
this low will extend a cold front across the lake by wednesday
night. a trough averaging 29.90 inches will remain across the lake
on thursday. high pressure 30.10 inches will move through the
region thursday night into friday. a warm front will move across
the lake on friday night into saturday.


lez162>164-130215-
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-
343 pm edt tue may 12 2026

.tonight...southeast winds 10 to 15 knots becoming southwest and
increasing to 15 to 25 knots. a chance of showers with a slight
chance of thunderstorms late this evening. showers with a slight
chance of thunderstorms after midnight, then showers likely late.
waves 1 to 3 feet building to 2 to 4 feet. 
.wednesday...southwest winds 15 to 20 knots becoming west. a
slight chance of showers early. waves 2 to 4 feet. 
.wednesday night...northwest winds 15 to 20 knots. waves 2 to
4 feet. 
.thursday...northwest winds 15 to 20 knots diminishing to 5 to
15 knots. waves 1 to 3 feet. 
.thursday night...north winds 10 knots or less becoming
southwest. waves 2 feet or less. 
.friday...southwest winds 5 to 15 knots becoming south. waves
2 feet or less. 
.saturday...southwest winds 5 to 15 knots becoming northwest.
waves 1 to 2 feet. 
.sunday...east winds 5 to 15 knots becoming south. a chance of
showers and thunderstorms during the day, then a chance of
showers sunday night. waves 1 to 2 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 121939
glfsc 
expires:202605130345;;452004

lake st clair forecast
national weather service detroit/pontiac mi
339 pm edt tue may 12 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...low pressure of 29.70 inches will track west to east
across the northern great lakes through wednesday. this system
will bring increasing south winds this afternoon and evening,
followed by gusty west and northwest winds for wednesday. showers
and a few thunderstorms accompany the arrival of this system this
evening and into the overnight hours.


lcz460-130345-
lake st clair-
339 pm edt tue may 12 2026

...small craft advisory in effect from 10 pm edt this evening
through wednesday evening...

.tonight...southeast winds 15 to 20 knots becoming southwest 20 to
25 knots after midnight. light showers by midnight. a chance of
light showers early in the morning. waves 1 to 3 feet.
.wednesday...west winds 15 to 20 knots. mostly cloudy. waves 1 to 3
feet.
.wednesday night...northwest winds 15 to 20 knots. cloudy. waves 1
to 3 feet.
.thursday...north winds 15 to 20 knots. mostly cloudy early in the
morning becoming mostly sunny. waves 1 to 3 feet.
.thursday night...north winds 10 to 15 knots diminishing to 5 to 10
knots by midnight...then becoming light and variable after midnight.
mostly clear. waves 2 feet or less.
.friday...southwest winds 5 to 10 knots becoming south 10 to 15
knots in the afternoon and evening. partly cloudy. waves 2 feet or
less.
.saturday...west winds 15 to 20 knots. mostly clear. waves 2 feet or
less.
.sunday...southeast winds 10 to 15 knots. partly cloudy. a chance of
showers and thunderstorms. waves 2 feet or less.

$$

fzus63 kdtx 121938
glflh 
expires:202605130345;;452002

open lake forecast for lake huron
national weather service detroit/pontiac mi
338 pm edt tue may 12 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...low pressure of 29.70 inches will track west to east
across the northern great lakes through wednesday. this system
will bring increasing south winds this afternoon and evening,
followed by gusty west and northwest winds for wednesday. showers
and a few thunderstorms accompany the arrival of this system this
evening and into the overnight hours.


lhz363-462>464-130345-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
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-
338 pm edt tue may 12 2026

.tonight...southeast winds 15 to 20 knots increasing to 20 to
25 knots with gusts to around 30 knots late in the evening...then
becoming south 15 to 20 knots after midnight. showers likely in
the evening. waves 5 to 7 feet. waves occasionally around
10 feet. 
.wednesday...southwest winds 10 to 15 knots becoming west 15 to
20 knots with gusts to around 30 knots in the late morning and
afternoon. a chance of showers in the afternoon. waves 4 to
6 feet building to 6 to 9 feet late in the afternoon. waves
occasionally around 12 feet. 
.wednesday night...northwest winds 20 to 25 knots with gusts to
around 30 knots decreasing to 15 to 20 knots with gusts to around
30 knots in the late evening and overnight. waves 6 to 9 feet.
waves occasionally around 12 feet. 
.thursday...northwest winds 15 to 20 knots. waves 5 to 7 feet.
waves occasionally around 10 feet. 
.thursday night...north winds 5 to 10 knots early in the evening
becoming light and variable. waves 3 to 5 feet subsiding to 1 to
3 feet in the late evening and overnight. 
.friday...southwest winds 5 to 10 knots becoming south 15 to
20 knots. waves 1 to 3 feet building to 3 to 5 feet late in the
afternoon. 
.saturday...south winds 15 to 20 knots becoming southwest 10 to
15 knots. waves 3 to 5 feet. 
.sunday...north winds 5 to 10 knots veering to the east early in
the evening...then increasing to 10 to 15 knots by midnight. a
chance of showers and thunderstorms . waves 2 to 4 feet subsiding
to 1 to 3 feet until early evening...then building to 2 to 4 feet
by midnight. 


$$

fzus63 kmkx 121937
glflm 
expires:202605130315;;451965

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
237 pm cdt tue may 12 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 of 29.7 inches over northern wisconsin early this
afternoon will reach northern lake michigan early this evening 
and lake huron by early wednesday morning. an associated cold 
front will approach the lake today, moving through this evening.
gusty south to southwest winds will continue today as the front
approaches, with a few gales possible across central and 
northern portions of the lake through late afternoon. showers 
and a few storms will be possible ahead of and along the front 
today. 

gusty west to northwest winds will arrive behind the cold front 
tonight into wednesday. gusts could approach gale force for a time
tonight into early wednesday, but are expected to mainly stay 
below gales. lighter northerly winds are then likely thursday as 
high pressure of 30.2 inches moves overhead. breezy southerly 
winds are expected to develop friday ahead of the next approaching
low pressure system. 


lmz364-366-563-565-567-868-130315-
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-
237 pm cdt tue may 12 2026

rock island passage to charlevoix mi south to sheboygan wi to
pentwater mi...

...gale warning in effect until 5 pm cdt this afternoon...

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

$$

fzus63 kmkx 121937
glflm 
expires:202605130315;;451966

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
237 pm cdt tue may 12 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 of 29.7 inches over northern wisconsin early this
afternoon will reach northern lake michigan early this evening 
and lake huron by early wednesday morning. an associated cold 
front will approach the lake today, moving through this evening.
gusty south to southwest winds will continue today as the front
approaches, with a few gales possible across central and 
northern portions of the lake through late afternoon. showers 
and a few storms will be possible ahead of and along the front 
today. 

gusty west to northwest winds will arrive behind the cold front 
tonight into wednesday. gusts could approach gale force for a time
tonight into early wednesday, but are expected to mainly stay 
below gales. lighter northerly winds are then likely thursday as 
high pressure of 30.2 inches moves overhead. breezy southerly 
winds are expected to develop friday ahead of the next approaching
low pressure system. 


lmz669-671-870-872-130315-
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 whitehall to pentwater mi 5 nm offshore to mid
lake-
lake michigan from grand haven to whitehall mi 5 nm offshore to
mid lake-
237 pm cdt tue may 12 2026

sheboygan wi to pentwater mi south to north point light wi to
grand haven mi...

...gale warning in effect until 5 pm cdt this afternoon...

.tonight...southwest winds to 30 kt veering to northwest. chance
of rain showers and thunderstorms this evening. waves 4 to 7 ft
occasionally to 9 ft subsiding to 4 to 6 ft occasionally to 8 ft.
.wednesday...northwest winds to 30 kt becoming north. waves 5 to
8 ft occasionally to 10 ft subsiding to 4 to 6 ft occasionally to
8 ft. 
.wednesday night...north winds to 30 kt becoming northwest 10 to
20 kt. waves 3 to 5 ft subsiding to 2 to 4 ft. 
.thursday...north winds 10 to 20 kt. waves 1 to 3 ft. 
.thursday night...southeast winds 10 to 15 kt becoming south
10 to 20 kt. waves 1 to 2 ft building to 2 to 4 ft. 
.friday...south winds to 30 kt. chance of rain showers. waves
6 to 9 ft occasionally to 12 ft. 
.friday night...south winds 15 to 25 kt becoming southwest 10 to
20 kt. waves 6 to 9 ft occasionally to 12 ft subsiding to 4 to
7 ft occasionally to 9 ft. 
.saturday...southwest winds 10 to 20 kt. waves 3 to 5 ft
subsiding to 2 to 4 ft. 
.sunday...east winds 10 to 20 kt becoming southeast. chance of
rain showers. waves 3 to 5 ft.  

$$

fzus63 kmkx 121937
glflm 
expires:202605130315;;451967

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
237 pm cdt tue may 12 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 of 29.7 inches over northern wisconsin early this
afternoon will reach northern lake michigan early this evening 
and lake huron by early wednesday morning. an associated cold 
front will approach the lake today, moving through this evening.
gusty south to southwest winds will continue today as the front
approaches, with a few gales possible across central and 
northern portions of the lake through late afternoon. showers 
and a few storms will be possible ahead of and along the front 
today. 

gusty west to northwest winds will arrive behind the cold front 
tonight into wednesday. gusts could approach gale force for a time
tonight into early wednesday, but are expected to mainly stay 
below gales. lighter northerly winds are then likely thursday as 
high pressure of 30.2 inches moves overhead. breezy southerly 
winds are expected to develop friday ahead of the next approaching
low pressure system. 


lmz080-673-675-777-779-874-876-878-130315-
lake michigan from michigan city in to st. joseph mi 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 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-
237 pm cdt tue may 12 2026

north point light wi to grand haven mi south...

.tonight...southwest winds to 30 kt veering to northwest. chance
of showers and slight chance of thunderstorms this evening. waves
4 to 6 ft occasionally to 8 ft. 
.wednesday...northwest winds to 30 kt becoming north. waves 5 to
8 ft occasionally to 10 ft subsiding to 4 to 7 ft occasionally to
9 ft. 
.wednesday night...north winds to 30 kt becoming northwest 10 to
20 kt. waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to
4 ft. 
.thursday...north winds 10 to 20 kt. waves 1 to 3 ft. 
.thursday night...southeast winds 10 to 15 kt becoming south.
waves 1 to 2 ft building to 2 to 4 ft. 
.friday...south winds 15 to 25 kt. chance of showers. waves 4 to
7 ft occasionally to 9 ft. 
.friday night...south winds 15 to 25 kt becoming southwest 10 to
20 kt. waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to
5 ft. 
.saturday...southwest winds 10 to 15 kt becoming south. waves
2 to 4 ft subsiding to 1 to 3 ft. 
.sunday...southeast winds 10 to 20 kt. chance of showers. waves
3 to 5 ft.  

$$