fzus61 kcle 201959
glfle 
expires:202605210215;;362624

open lake forecast for lake erie
national weather service cleveland oh
359 pm edt wed may 20 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 30.40 inches builds across the great lakes region
tonight into thursday before shifting northeast on friday. low
pressure 30.00 inches will lift northeast towards lake erie on
friday before lifting a warm front on saturday. a cold front will
cross lake erie on sunday before high pressure 30.20 inches builds
overhead on monday.


lez162-163-210215-
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-
359 pm edt wed may 20 2026

.tonight...northeast winds 10 to 15 knots increasing to 15 to
20 knots. waves 1 to 3 feet building to 2 to 4 feet. 
.thursday...northeast winds 15 to 20 knots becoming east. waves
2 to 4 feet building to 3 to 6 feet. 
.thursday night...east winds 15 to 20 knots. waves 3 to 6 feet. 
.friday...east winds 15 to 25 knots. a chance of showers in the
afternoon. waves 3 to 6 feet. 
.friday night...east winds 15 to 25 knots. showers. waves 3 to
6 feet. 
.saturday...southeast winds 15 to 20 knots becoming south 5 to
15 knots. showers during the day. waves 2 to 4 feet subsiding to
1 foot or less. 
.sunday...south winds 5 to 10 knots becoming west. a chance of
showers and thunderstorms during the day, then a chance of
showers sunday night. waves 1 foot or less. 
.monday...northwest winds 10 knots or less becoming southeast.
waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 201959
glfle 
expires:202605210215;;362625

open lake forecast for lake erie
national weather service cleveland oh
359 pm edt wed may 20 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 30.40 inches builds across the great lakes region
tonight into thursday before shifting northeast on friday. low
pressure 30.00 inches will lift northeast towards lake erie on
friday before lifting a warm front on saturday. a cold front will
cross lake erie on sunday before high pressure 30.20 inches builds
overhead on monday.


lez164>168-210215-
the islands to vermilion oh beyond 5 nm off shoreline to us-
canadian border-
vermilion to avon point oh beyond 5 nm off shoreline to us-
canadian border-
avon point to willowick oh beyond 5 nm off shoreline to us-
canadian border-willowick to geneva-on-the-
lake oh beyond 5nm off shoreline to us-canadian border-geneva-on-
the-lake to conneaut oh beyond 5 nm off shoreline to us-
canadian border-
359 pm edt wed may 20 2026

.tonight...north winds 10 to 15 knots becoming northeast 15 to
20 knots. waves 2 to 4 feet. 
.thursday...northeast winds 15 to 20 knots. waves 2 to 4 feet
building to 3 to 6 feet. 
.thursday night...northeast winds 15 to 20 knots becoming east.
waves 3 to 6 feet. 
.friday...east winds 15 to 20 knots. a chance of showers in the
afternoon. waves 3 to 6 feet. 
.friday night...east winds 15 to 20 knots. showers. waves 3 to
6 feet subsiding to 2 to 4 feet. 
.saturday...southeast winds 15 to 20 knots becoming south 10 to
15 knots. showers with a chance of thunderstorms during the day,
then a chance of showers saturday night. waves 3 to 5 feet
subsiding to 1 to 3 feet. 
.sunday...south winds 10 knots or less becoming southwest. a
chance of showers and thunderstorms during the day, then a chance
of showers sunday night. waves 2 feet or less. 
.monday...west winds less than 10 knots becoming east. waves
1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 201940
glfsc 
expires:202605210345;;362191

lake st clair forecast
national weather service detroit/pontiac mi
340 pm edt wed may 20 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, 30.40 inches, will continue to build
over the great lakes this evening then slowly move east across
the region through friday morning. as this occurs, northwest flow
will veer to the northeast and persist into friday.


lcz460-210345-
lake st clair-
340 pm edt wed may 20 2026

.tonight...northeast winds 10 to 15 knots. mostly cloudy becoming
mostly clear. waves 1 to 3 feet.
.thursday...northeast winds 10 to 15 knots. sunny. waves 2 feet or
less.
.thursday night...northeast winds 15 to 20 knots diminishing to 10
to 15 knots by midnight...then increasing to 15 to 20 knots after
midnight. mostly clear. waves 1 to 3 feet.
.friday...east winds 15 to 20 knots. partly sunny. waves 2 to 4
feet.
.friday night...east winds 20 to 25 knots increasing to 30 knots
after midnight. showers likely ...then showers after midnight. waves
3 to 5 feet. waves occasionally around 7 feet. a small craft
advisory may be needed.
.saturday...east winds to 30 knots becoming southeast 10 to 15
knots. showers...then a chance of showers in the evening. waves 2 to
4 feet subsiding to 1 to 3 feet in the evening.
.sunday...south winds 5 to 10 knots. mostly cloudy with a chance of
showers. waves 2 feet or less.
.monday...east winds 5 to 10 knots. partly cloudy. waves 2 feet or
less.

$$

fzus63 kdtx 201940
glflh 
expires:202605210345;;362183

open lake forecast for lake huron
national weather service detroit/pontiac mi
340 pm edt wed may 20 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, 30.40 inches, will continue to build
over the great lakes this evening then slowly move east across
the region through friday morning. as this occurs, northwest flow
will veer to the northeast and persist into friday.


lhz462>464-210345-
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-
340 pm edt wed may 20 2026

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


$$

fzus63 kmkx 201959
glflm 
expires:202605210330;;362653

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
259 pm cdt wed may 20 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 30.4 inches building into the upper great 
lakes region will linger through thursday. steady northeasterly 
winds are expected through midweek, especially highest winds over
the south half. high pressure continues to build to around 30.5 
inches as it lifts northeastward across ontario and quebec friday 
through the weekend with easterly winds persisting across lake 
michigan. weak low pressure of 29.8 inches will track across 
illinois and northern indiana friday night, and weaken as it 
tracks into lower michigan on saturday. expect easterly winds to 
increase over the south half of lake michigan during this time. 


lmz261-362-364-366-563-565-567-868-210330-
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-
259 pm cdt wed may 20 2026

sheboygan wi to pentwater mi north...

.tonight...northeast winds 10 to 20 kt diminishing to 10 to
15 kt. waves 1 to 3 ft. 
.thursday...northeast winds 10 to 15 kt increasing to 10 to
20 kt. waves 1 to 3 ft. 
.thursday night...northeast winds 10 to 20 kt becoming east 10 to
15 kt. waves 1 to 3 ft. 
.friday...east winds 10 to 20 kt becoming northeast 15 to 25 kt.
waves 1 to 3 ft building to 3 to 5 ft. 
.friday night...east winds 15 to 25 kt increasing to 30 kt.
chance of showers. waves 4 to 6 ft occasionally to 8 ft. 
.saturday...east winds to 30 kt becoming northeast. showers
likely in the morning, then chance of showers in the afternoon.
waves 4 to 7 ft occasionally to 9 ft. 
.saturday night...east winds 15 to 25 kt veering to south 10 to
20 kt. waves 3 to 5 ft subsiding to 1 to 3 ft. 
.sunday...south winds 10 to 15 kt becoming southwest. waves 1 to
2 ft. 
.monday...southwest winds 10 to 15 kt becoming south 10 to 20 kt.
waves 1 to 2 ft.  

$$

fzus63 kmkx 201959
glflm 
expires:202605210330;;362654

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
259 pm cdt wed may 20 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 30.4 inches building into the upper great 
lakes region will linger through thursday. steady northeasterly 
winds are expected through midweek, especially highest winds over
the south half. high pressure continues to build to around 30.5 
inches as it lifts northeastward across ontario and quebec friday 
through the weekend with easterly winds persisting across lake 
michigan. weak low pressure of 29.8 inches will track across 
illinois and northern indiana friday night, and weaken as it 
tracks into lower michigan on saturday. expect easterly winds to 
increase over the south half of lake michigan during this time. 


lmz080-669-671-673-675-777-779-870-872-874-876-878-210330-
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-
259 pm cdt wed may 20 2026

sheboygan wi to pentwater mi south...

.tonight...north winds 15 to 25 kt becoming northeast 10 to
20 kt. waves 4 to 6 ft occasionally to 8 ft. 
.thursday...east winds 10 to 20 kt becoming north. waves 3 to
5 ft subsiding to 2 to 4 ft. 
.thursday night...northeast winds 10 to 20 kt becoming east.
waves 3 to 5 ft. 
.friday...east winds 10 to 20 kt becoming northeast 15 to 25 kt.
waves 3 to 5 ft. 
.friday night...east winds 15 to 25 kt becoming northeast.
showers. waves 4 to 7 ft occasionally to 9 ft. 
.saturday...northeast winds 10 to 20 kt becoming north 10 to
15 kt. waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to
4 ft. 
.saturday night...northeast winds 10 to 15 kt veering to south.
waves 1 to 3 ft. 
.sunday...south winds 5 to 10 kt increasing to 10 to 15 kt. waves
1 to 2 ft. 
.monday...east winds 5 to 10 kt becoming southeast. waves 1 to
2 ft.  

$$