fzus61 kcle 120800
glfle 
expires:202605121415;;425128

open lake forecast for lake erie
national weather service cleveland oh
400 am 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>164-121415-
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-
400 am edt tue may 12 2026

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

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 120818 cca
glfsc 
expires:202605121600;;426499

lake st clair forecast...corrected
national weather service detroit/pontiac mi
418 am edt tue may 12 2026

corrected to add thunderstorms to the forecast for tonight. 

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...high pressure departs and washes out across new
england this morning which will support southeast flow. low
pressure, 29.70 inches, then enters lower michigan tonight,
bringing stronger winds along with showers and thunderstorms.


lcz460-121600-
lake st clair-
418 am edt tue may 12 2026

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

.today...southeast winds 5 to 10 knots increasing to 10 to 15 knots
in the afternoon. mostly sunny in the morning becoming mostly
cloudy. waves 2 feet or less.
.tonight...south winds 15 to 25 knots veering to the southwest 
early in the morning. mostly cloudy. a chance of showers early in
the evening then showers likely with a chance of thunderstorms. waves
1 to 3 feet. 
.wednesday...west winds 15 to 25 knots. partly sunny. waves 1 to 
3 feet.
.wednesday night...northwest winds 15 to 20 knots. mostly cloudy.
waves 1 to 3 feet.
.thursday...north winds 15 to 20 knots diminishing to 10 to 15 knots
in the evening. partly cloudy then clearing. waves 1 to 3 feet.
.friday...south winds 10 to 15 knots. partly cloudy. waves 2 feet or
less.
.saturday...west winds 10 to 15 knots. mostly clear. waves 2 feet or
less.

$$

fzus63 kdtx 120758
glflh 
expires:202605121600;;425077

open lake forecast for lake huron
national weather service detroit/pontiac mi
358 am 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...high pressure departs and washes out across new
england this morning which will support southeast flow. low
pressure, 29.70 inches, then enters lower michigan tonight,
bringing stronger winds along with showers and thunderstorms.


lhz363-462>464-121600-
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-
358 am edt tue may 12 2026

.today...southeast winds 5 to 10 knots increasing to 10 to
15 knots in the afternoon. showers in the afternoon. waves 2 feet
or less building to 3 to 5 feet in the afternoon. 
.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 decreasing to 10 to
15 knots early in the morning. a chance of showers in the
evening...then showers likely after midnight. waves 6 to 9 feet.
waves occasionally around 12 feet. 
.wednesday...southwest winds 10 to 15 knots becoming west 15 to
20 knots in the late morning and early afternoon...then veering
to the northwest early in the afternoon. a chance of showers in
the afternoon. waves 4 to 6 feet. waves occasionally around
8 feet. 
.wednesday night...northwest winds 20 to 25 knots decreasing to
15 to 20 knots after midnight. gusts to 30 knots. a chance of
showers in the evening. waves 6 to 9 feet. waves occasionally
around 12 feet. 
.thursday...northwest winds 15 to 20 knots becoming light and
variable. waves 4 to 6 feet subsiding to 1 to 3 feet late in the
evening. waves occasionally around 8 feet. 
.friday...light and variable winds becoming south 5 to 10 knots
in the late morning and early afternoon...then increasing to
10 to 15 knots early in the evening increasing to 15 to 20 knots
by midnight. waves 1 to 3 feet building to 2 to 4 feet . 
.saturday...south winds 15 to 20 knots becoming southwest 10 to
15 knots until early evening...then veering to the west by
midnight. waves 2 to 4 feet. 


$$

fzus63 kmkx 120841
glflm 
expires:202605121515;;427122

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

winds will become south southeast early this morning and quickly
become south and gusty through the morning hours, as low pressure
around 29.6 inches approaches from the northwest. despite the 
cold lake surface temperatures, showers over the lake will mix 
down gales from middle morning through middle afternoon. a gale 
warning is in effect for this time period, over roughly the middle
third of the lake. 

gusty winds then ease a bit during the early evening hours, as a 
cold front passes and winds become northwesterly. gusty northwest 
winds then return later tonight into wednesday morning.

north to northwest winds then ease wednesday night into thursday,
as high pressure around 30.1 inches moves over lake michigan.
south to southwest winds should then become gusty friday into 
saturday.


lmz364-366-563-565-567-669-671-868-870-872-121515-
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 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 pentwater to manistee mi 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-
341 am cdt tue may 12 2026

rock island passage to charlevoix mi south to north point light
wi to grand haven mi...

...gale warning in effect from 9 am cdt this morning through this
afternoon...

.today...south winds 15 to 25 kt increasing to gales to 35 kt.
numerous rain showers this morning, then chance of rain showers
and slight chance of thunderstorms this afternoon. waves 2 to
4 ft building to 8 to 12 ft occasionally to 16 ft. 
.tonight...southwest winds to 30 kt veering to northwest. chance
of rain showers and thunderstorms in the evening, then slight
chance of rain showers overnight. waves 7 to 10 ft occasionally
to 13 ft subsiding to 5 to 8 ft occasionally to 10 ft. 
.wednesday...northwest winds to 30 kt becoming north. waves 6 to
9 ft occasionally to 12 ft building to 7 to 10 ft occasionally to
13 ft, then subsiding to 6 to 9 ft occasionally to 12 ft. 
.wednesday night...north winds to 30 kt diminishing to 10 to
20 kt overnight. waves 4 to 7 ft occasionally to 9 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
4 to 7 ft occasionally to 9 ft building to 6 to 9 ft occasionally
to 12 ft. 
.saturday...southwest winds 15 to 25 kt. waves 4 to 6 ft
occasionally to 8 ft subsiding to 3 to 5 ft.  

$$

fzus63 kmkx 120841
glflm 
expires:202605121515;;427123

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

winds will become south southeast early this morning and quickly
become south and gusty through the morning hours, as low pressure
around 29.6 inches approaches from the northwest. despite the 
cold lake surface temperatures, showers over the lake will mix 
down gales from middle morning through middle afternoon. a gale 
warning is in effect for this time period, over roughly the middle
third of the lake. 

gusty winds then ease a bit during the early evening hours, as a 
cold front passes and winds become northwesterly. gusty northwest 
winds then return later tonight into wednesday morning.

north to northwest winds then ease wednesday night into thursday,
as high pressure around 30.1 inches moves over lake michigan.
south to southwest winds should then become gusty friday into 
saturday.


lmz080-673-675-777-779-874-876-878-121515-
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-
341 am cdt tue may 12 2026

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

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

$$