fzus61 kcle 130210
glfle 
expires:202605130815;;465360

open lake forecast for lake erie
national weather service cleveland oh
1010 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...
low pressure 29.60 inches will move across the great lakes 
tonight into wednesday, pulling a cold front east across lake erie
on wednesday. 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>164-130815-
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-
1010 pm edt tue may 12 2026

.rest of tonight...south winds 15 to 25 knots becoming southwest.
a chance of showers with a slight chance of thunderstorms late
this evening, then showers with a slight chance of thunderstorms
after midnight. showers likely late. waves 1 to 3 feet building
to 2 to 4 feet. 
.wednesday...west winds 15 to 20 knots. 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 130159
glfsc 
expires:202605131000;;464545

lake st clair forecast
national weather service detroit/pontiac mi
959 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.


lcz460-131000-
lake st clair-
959 pm edt tue may 12 2026

...small craft advisory in effect through wednesday evening...

.rest of tonight...south winds 15 to 20 knots becoming southwest 20
to 25 knots after midnight. showers by midnight...then a chance of
light showers early in the morning. waves 1 to 3 feet building to 2
to 4 feet after midnight.
.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 130159
glflh 
expires:202605131000;;464543

open lake forecast for lake huron
national weather service detroit/pontiac mi
959 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>464-131000-
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-
959 pm edt tue may 12 2026

.rest of tonight...southeast winds 20 to 25 knots with gusts to
around 30 knots becoming south 15 to 20 knots after midnight.
showers likely this evening. waves 6 to 9 feet. waves
occasionally around 12 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 5 to
7 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 2 feet or less building to 4 to 6 feet. waves
occasionally around 8 feet. 
.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 130221
glflm 
expires:202605130915;;465664

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
921 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 is currently centered over lower
michigan state, with a cold front trailings southeast over the
middle of the lake and into southeast wisconsin. this front is
expected to continue to move southeast with southerly gales
continuing just ahead of the front. these gales should largely
diminish through 11 pm cdt and a gale warning will continue over
the middle third of the lake through that time.

gusty west to northwest winds will arrive behind the cold front 
later tonight into wednesday. northwest 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.


lmz364-366-563-565-567-868-130915-
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-
921 pm cdt tue may 12 2026

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

...gale warning in effect until 11 pm cdt this evening...

.rest of tonight...west winds to 30 kt becoming northwest. slight
chance of thunderstorms with isolated rain showers late this
evening, then slight chance of rain showers overnight. waves 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 15 to 25 kt diminishing to 10 to
15 kt. waves 2 to 4 ft subsiding to 1 to 3 ft. 
.thursday...north winds 10 to 15 kt. waves 1 to 2 ft. 
.thursday night...south winds 5 to 10 kt increasing to 10 to
20 kt overnight. waves 1 ft or less 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 subsiding to 5 to 8 ft
occasionally to 10 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 130221
glflm 
expires:202605130915;;465665

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
921 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 is currently centered over lower
michigan state, with a cold front trailings southeast over the
middle of the lake and into southeast wisconsin. this front is
expected to continue to move southeast with southerly gales
continuing just ahead of the front. these gales should largely
diminish through 11 pm cdt and a gale warning will continue over
the middle third of the lake through that time.

gusty west to northwest winds will arrive behind the cold front 
later tonight into wednesday. northwest 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.


lmz669-671-673-675-870-872-874-876-130915-
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 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-
921 pm cdt tue may 12 2026

sheboygan wi to pentwater mi south to winthrop harbor il to south
haven mi...

...gale warning in effect until 11 pm cdt this evening...

.rest of tonight...west gales to 35 kt becoming northwest to
30 kt. scattered rain showers and slight chance of thunderstorms
late 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
15 kt. waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to
4 ft. 
.thursday...north winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 3 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
6 to 9 ft occasionally to 12 ft. 
.friday night...south winds to 30 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 130221
glflm 
expires:202605130915;;465666

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
921 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 is currently centered over lower
michigan state, with a cold front trailings southeast over the
middle of the lake and into southeast wisconsin. this front is
expected to continue to move southeast with southerly gales
continuing just ahead of the front. these gales should largely
diminish through 11 pm cdt and a gale warning will continue over
the middle third of the lake through that time.

gusty west to northwest winds will arrive behind the cold front 
later tonight into wednesday. northwest 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.


lmz080-777-779-878-130915-
lake michigan from michigan city in to st. joseph mi 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 st. joseph to south haven mi 5 nm offshore to
mid lake-
921 pm cdt tue may 12 2026

winthrop harbor il to south haven mi south...

.rest of tonight...southwest gales to 35 kt becoming west to
30 kt after midnight, then becoming northwest 15 to 25 kt late.
scattered showers and slight chance of thunderstorms late this
evening. waves 3 to 5 ft. 
.wednesday...northwest winds to 30 kt becoming north. waves 4 to
7 ft occasionally to 9 ft subsiding to 4 to 6 ft occasionally to
8 ft. 
.wednesday night...north winds to 30 kt becoming northwest 10 to
15 kt. waves 3 to 5 ft subsiding to 2 to 4 ft. 
.thursday...north winds 10 to 15 kt. waves 1 to 3 ft. 
.thursday night...southeast winds 5 to 10 kt becoming south 10 to
20 kt overnight. waves 1 to 2 ft building to 1 to 3 ft. 
.friday...south winds 15 to 25 kt. chance of showers. waves 3 to
5 ft. 
.friday night...south winds 10 to 20 kt becoming southwest. waves
2 to 4 ft. 
.saturday...southwest winds 10 to 15 kt becoming south. waves
1 to 3 ft. 
.sunday...southeast winds 10 to 20 kt. chance of showers and
thunderstorms. waves 1 to 3 ft.  

$$