fzus61 kcle 120135
glfle 
expires:202605120815;;410406

open lake forecast for lake erie
national weather service cleveland oh
935 pm edt mon may 11 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...
high pressure 30.20 inches will persist across the region through
tonight. low pressure 29.90 inches will move east through the 
lower great lakes late tuesday into wednesday, extending a cold
front across the area late wednesday. high pressure of 30.10 
inches will build into the region late thursday into friday.


lez162>164-120815-
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-
935 pm edt mon may 11 2026

.overnight...northeast winds 5 to 15 knots becoming east.
waves 2 feet or less. 
.tuesday...southeast winds 5 to 15 knots. waves 2 feet or less. 
.tuesday night...southeast winds 10 to 15 knots becoming
southwest and increasing to 15 to 25 knots. a chance of showers
in the evening, then showers overnight. waves 1 to 3 feet
building to 2 to 4 feet. 
.wednesday...west winds 15 to 20 knots. waves 2 to 4 feet. 
.wednesday night...northwest winds 15 to 20 knots. a chance of
showers. waves 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...west winds 10 knots or less becoming south 10 to
15 knots. a chance of showers friday night. waves 2 feet or less.
.saturday...southwest winds 10 to 15 knots. waves 1 to 2 feet. 

$$

fzus63 kdtx 120157
glfsc 
expires:202605121000;;410763

lake st clair forecast
national weather service detroit/pontiac mi
957 pm edt mon may 11 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...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.


lcz460-121000-
lake st clair-
957 pm edt mon may 11 2026

.rest of tonight...northeast winds 10 to 15 knots becoming light and
variable. clear. waves 2 feet or less.
.tuesday...southeast winds 5 to 10 knots becoming south 10 to 15
knots in the afternoon. mostly sunny in the morning becoming mostly
cloudy. waves 2 feet or less.
.tuesday night...south winds 15 to 20 knots veering to the southwest
after midnight. showers by midnight. a chance of light showers after
midnight. waves 1 to 3 feet.
.wednesday...west winds 15 to 20 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 15 to 20 knots. partly cloudy. a chance of
showers. waves 2 feet or less.

$$

fzus63 kdtx 120157
glflh 
expires:202605121000;;410765

open lake forecast for lake huron
national weather service detroit/pontiac mi
957 pm edt mon may 11 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>464-121000-
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-
957 pm edt mon may 11 2026

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


$$

fzus63 kmkx 120209
glflm 
expires:202605120930;;411296

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
909 pm cdt mon may 11 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...

high pressure of 30.3 inches will continue to shift east tonight.
light and variable winds will become south-southeasterly by dawn
tuesday, with gusty winds developing over the lake quickly through
the morning hours as low pressure of 29.6 inches approaches from
the northwest. forecast models suggest that despite a near 
surface temperature inversion over the lake, showers over the 
lake will mix down gales from the late morning through the mid 
afternoon. a gale warning has been issued 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
wednesday morning in the cold advection regime behind the cold
front.

north to northwest winds then ease wednesday night into thursday
as high pressure of 30.1 inches moves over lake michigan.


lmz080-673-675-777-779-874-876-878-120930-
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-
909 pm cdt mon may 11 2026

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

.rest of tonight...northeast winds 10 to 15 kt diminishing to
5 to 10 kt late this evening, then becoming east after midnight
becoming southeast late. waves 2 to 4 ft subsiding to 1 to 2 ft. 
.tuesday...south winds 10 to 20 kt increasing to gales to 35 kt.
slight chance of rain showers in the morning, then chance of rain
showers and slight chance of thunderstorms in the afternoon.
waves 1 to 3 ft building to 5 to 8 ft occasionally to 10 ft. 
.tuesday night...southwest winds to 30 kt becoming west late in
the evening, then diminishing to 10 to 20 kt after midnight
becoming northwest 15 to 25 kt late. chance of showers in the
evening. waves 4 to 6 ft occasionally to 8 ft. 
.wednesday...northwest winds to 30 kt. waves 4 to 7 ft
occasionally to 9 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 3 to 5 ft. 
.thursday...north winds 10 to 20 kt. waves 2 to 4 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 3 to
5 ft building to 4 to 6 ft occasionally to 8 ft. 
.saturday...southwest winds 10 to 20 kt. waves 3 to 5 ft
subsiding to 2 to 4 ft.  

$$

fzus63 kmkx 120209
glflm 
expires:202605120930;;411295

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
909 pm cdt mon may 11 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...

high pressure of 30.3 inches will continue to shift east tonight.
light and variable winds will become south-southeasterly by dawn
tuesday, with gusty winds developing over the lake quickly through
the morning hours as low pressure of 29.6 inches approaches from
the northwest. forecast models suggest that despite a near 
surface temperature inversion over the lake, showers over the 
lake will mix down gales from the late morning through the mid 
afternoon. a gale warning has been issued 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
wednesday morning in the cold advection regime behind the cold
front.

north to northwest winds then ease wednesday night into thursday
as high pressure of 30.1 inches moves over lake michigan.


lmz364-366-563-565-567-669-671-868-870-872-120930-
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-
909 pm cdt mon may 11 2026

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

...gale warning in effect from tuesday morning through tuesday
afternoon...

.rest of tonight...northeast winds 10 to 15 kt veering to
southeast 10 to 20 kt. waves 1 to 3 ft subsiding to 1 to 2 ft. 
.tuesday...south winds 15 to 25 kt increasing to gales to 40 kt,
then diminishing to gales to 35 kt late. chance of rain showers
in the morning, then chance of rain showers and slight chance of
thunderstorms in the afternoon. waves 2 to 4 ft building to 7 to
10 ft occasionally to 13 ft. 
.tuesday night...southwest winds to 30 kt becoming west 15 to
25 kt late in the evening, then becoming northwest 10 to 20 kt
after midnight increasing to 30 kt late. chance of rain showers
in the evening. waves 6 to 9 ft occasionally to 12 ft subsiding
to 4 to 6 ft occasionally to 8 ft. 
.wednesday...northwest winds to 30 kt. waves 4 to 7 ft
occasionally to 9 ft. 
.wednesday night...north winds to 30 kt diminishing to 10 to
20 kt overnight. waves 4 to 6 ft occasionally to 8 ft subsiding
to 3 to 5 ft. 
.thursday...north winds 10 to 20 kt. waves 2 to 4 ft. 
.thursday night...southeast winds 10 to 15 kt becoming south
10 to 20 kt. waves 1 to 3 ft. 
.friday...south winds to 30 kt. waves 4 to 6 ft occasionally to
8 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 111924
glflm 
expires:202605120330;;397978

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
224 pm cdt mon may 11 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...

high pressure around 30.3 inches over the northern and western
great lakes this afternoon will move to the lower great lakes
tonight, while low pressure around 29.7 inches moves into northern
minnesota from the canadian prairies. the low will then track to
central lake michigan by early tuesday evening and to the lower
great lakes on wednesday. light and variable winds over lake
michigan will become breezy southerly winds on tuesday with a few
gale force gusts possible. the winds will then shift west to
northwest with a cold frontal passage tuesday evening. breezy
northwest winds will then continue into wednesday. 

high pressure around 30.1 inches will then move over lake michigan
for thursday into thursday evening. the high will move east on
friday with breezy south winds returning. 


lmz261-362-364-366-563-565-567-868-120330-
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-
224 pm cdt mon may 11 2026

sheboygan wi to pentwater mi north...

.tonight...west winds 10 to 20 kt becoming south late, then
becoming southeast 10 to 15 kt through early evening diminishing
to 5 to 10 kt late this evening becoming southeast 5 to 10 kt
becoming south 10 to 20 kt late. waves 1 to 2 ft. 
.tuesday...south winds 15 to 25 kt increasing to 30 kt. rain 
showers and slight chance of thunderstorms in the morning, then 
chance of rain showers and slight chance of thunderstorms in the 
afternoon. waves 2 to 4 ft building to 7 to 10 ft occasionally to 
13 ft. 
.tuesday night...south winds 15 to 25 kt veering to northwest.
chance of rain showers in the evening. waves 6 to 9 ft
occasionally to 12 ft subsiding to 4 to 6 ft occasionally to
8 ft. 
.wednesday...northwest winds to 30 kt. chance of rain showers and
thunderstorms in the morning. waves 4 to 6 ft occasionally to
8 ft. 
.wednesday night...north winds 15 to 25 kt diminishing to 10 to
20 kt. waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to
4 ft. 
.thursday...north winds 10 to 15 kt becoming northwest 10 to
20 kt. waves 1 to 3 ft. 
.thursday night...south winds 5 to 10 kt increasing to 10 to
20 kt. waves 1 ft or less building to 2 to 4 ft. 
.friday...south winds to 30 kt. 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 3 to 5 ft
subsiding to 2 to 4 ft.  

$$

fzus63 kmkx 111924
glflm 
expires:202605120330;;397979

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
224 pm cdt mon may 11 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...

high pressure around 30.3 inches over the northern and western
great lakes this afternoon will move to the lower great lakes
tonight, while low pressure around 29.7 inches moves into northern
minnesota from the canadian prairies. the low will then track to
central lake michigan by early tuesday evening and to the lower
great lakes on wednesday. light and variable winds over lake
michigan will become breezy southerly winds on tuesday with a few
gale force gusts possible. the winds will then shift west to
northwest with a cold frontal passage tuesday evening. breezy
northwest winds will then continue into wednesday. 

high pressure around 30.1 inches will then move over lake michigan
for thursday into thursday evening. the high will move east on
friday with breezy south winds returning. 


lmz080-669-671-673-675-777-779-870-872-874-876-878-120330-
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-
224 pm cdt mon may 11 2026

sheboygan wi to pentwater mi south...

.tonight...north winds 10 to 20 kt becoming northeast through
early evening, then diminishing to 5 to 10 kt late this evening
becoming southeast after midnight increasing to 10 to 15 kt.
waves 2 to 4 ft subsiding to 1 to 2 ft. 
.tuesday...south winds 10 to 20 kt increasing to 30 kt. chance of
rain showers and slight chance of thunderstorms. waves 1 to 3 ft
building to 7 to 10 ft occasionally to 13 ft. 
.tuesday night...southwest winds to 30 kt becoming west late in
the evening, then diminishing to 10 to 20 kt after midnight
becoming northwest to 30 kt late. chance of rain showers in the
evening. waves 5 to 8 ft occasionally to 10 ft subsiding to 4 to
6 ft occasionally to 8 ft. 
.wednesday...northwest winds to 30 kt. waves 5 to 8 ft
occasionally to 10 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 4 to 6 ft occasionally to 8 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 10 to
20 kt. waves 1 to 2 ft building to 1 to 3 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 10 to 20 kt. waves 3 to 5 ft
subsiding to 2 to 4 ft.  

$$