fzus61 kcle 200738
glfle 
expires:202605201415;;335875

open lake forecast for lake erie
national weather service cleveland oh
338 am 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...
a cold front exits to the southeast this morning. high pressure
30.40 inches slides across the northern great lakes tonight and
thursday before shifting into new england on friday. low pressure
30.00 inches approaches from the southwest friday night into
saturday, lifting a warm front across the lake early saturday. a
weak cold front is expected to cross the lake on sunday. 


lez162-163-201415-
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-
338 am edt wed may 20 2026

.today...north winds 5 to 15 knots becoming northeast. a chance
of showers early, then a slight chance of showers late this
morning. waves 1 to 3 feet. 
.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. waves 2 to 4 feet
building to 3 to 5 feet. 
.thursday night...east winds 15 to 20 knots. waves 3 to 5 feet. 
.friday...east winds 15 to 25 knots. rain likely during the day,
then rain with a chance of thunderstorms friday night. waves 3 to
5 feet. 
.saturday...southeast winds 15 to 20 knots becoming south 5 to
15 knots. rain likely with a chance of thunderstorms during the
day. waves 2 to 4 feet subsiding to 1 foot or less. 
.sunday...southwest winds 10 knots or less becoming north. a
chance of showers. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 200738
glfle 
expires:202605201415;;335876

open lake forecast for lake erie
national weather service cleveland oh
338 am 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...
a cold front exits to the southeast this morning. high pressure
30.40 inches slides across the northern great lakes tonight and
thursday before shifting into new england on friday. low pressure
30.00 inches approaches from the southwest friday night into
saturday, lifting a warm front across the lake early saturday. a
weak cold front is expected to cross the lake on sunday. 


lez164>168-201415-
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-
338 am edt wed may 20 2026

.today...north winds 15 to 20 knots diminishing to 10 to
15 knots. a slight chance of showers through early afternoon.
waves 2 to 4 feet subsiding to 1 to 3 feet. 
.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 rain during the
day, then rain with a chance of thunderstorms friday night. waves
3 to 6 feet. 
.saturday...southeast winds 15 to 20 knots becoming south 10 to
15 knots. rain 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. waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 200743
glfsc 
expires:202605201600;;336093

lake st clair forecast
national weather service detroit/pontiac mi
343 am 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 start to build in
over the great lakes this morning then slowly move east across
the region through friday morning. as this occurs, northwest flow
will veer to the northeast and persist into friday.


lcz460-201600-
lake st clair-
343 am edt wed may 20 2026

.today...north winds 15 to 20 knots diminishing to 10 to 15 knots
late in the morning...then diminishing to 5 to 10 knots early in the
afternoon becoming northeast 10 to 15 knots late in the afternoon.
mostly cloudy. waves 2 feet or less.
.tonight...northeast winds 15 to 20 knots. mostly cloudy this
evening becoming partly cloudy. waves 1 to 3 feet.
.thursday...northeast winds 10 to 15 knots. mostly sunny. waves 2
feet or less.
.thursday night...northeast winds 10 to 15 knots increasing to 15 to
20 knots after midnight. partly cloudy becoming mostly cloudy. waves
1 to 3 feet.
.friday...east winds 20 to 25 knots increasing to 30 knots in the
evening. mostly cloudy. a chance of light showers in the afternoon.
rain showers likely in the evening. waves 2 to 4 feet. a small craft
advisory may be needed.
.saturday...southeast winds to 30 knots. showers and a chance of
thunderstorms. waves 2 to 4 feet.
.sunday...northeast winds 10 to 15 knots. mostly cloudy. waves 2
feet or less.

$$

fzus63 kdtx 200743
glflh 
expires:202605201600;;336078

open lake forecast for lake huron
national weather service detroit/pontiac mi
343 am 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 start to build in
over the great lakes this morning 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>464-201600-
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-
343 am edt wed may 20 2026

.today...north winds 10 to 15 knots. waves 3 to 5 feet. 
.tonight...north winds 10 to 15 knots. waves 3 to 5 feet. 
.thursday...northeast winds 10 to 15 knots. 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 early 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 increasing to 15 to 20 knots
with gusts to around 30 knots late in the afternoon. a chance of
showers late in the afternoon. rain showers likely late in the
evening. waves 3 to 5 feet building to 5 to 7 feet late in the
evening. waves occasionally around 10 feet. 
.saturday...east winds 20 to 25 knots with gusts to around
30 knots becoming southeast 10 to 15 knots. showers likely early
in the morning. rain showers in the late morning and early
afternoon...then a chance of showers early in the evening. waves
5 to 7 feet. waves occasionally around 10 feet. 
.sunday...southeast winds 5 to 10 knots backing to the east by
midnight. waves 1 to 3 feet. 


$$

fzus63 kmkx 200759
glflm 
expires:202605201515;;336496

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

winds will come around from northwesterly to northeasterly through
the first half of the day as high pressure around 30.4 inches 
builds into the upper great lakes region today and then lingers 
into thursday. 

still looking at gusty northeast winds through midweek, especially
over the southern half of the lake and building waves along the 
western lakeshore. 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. expecting winds to increase during this timeframe as 
well with a broad low pressure trough around 29.8 inches setting 
up over the plains.


lmz261-362-364-366-563-565-567-868-201515-
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 am cdt wed may 20 2026

sheboygan wi to pentwater mi north...

.today...north winds 10 to 20 kt becoming northeast 15 to 25 kt.
waves 2 to 4 ft. 
.tonight...northeast winds 10 to 20 kt diminishing to 10 to
15 kt. waves 2 to 4 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. chance of
showers. waves 4 to 7 ft occasionally to 9 ft. 
.sunday...southwest winds 10 to 15 kt. waves 1 to 2 ft.  

$$

fzus63 kmkx 200759
glflm 
expires:202605201515;;336497

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

winds will come around from northwesterly to northeasterly through
the first half of the day as high pressure around 30.4 inches 
builds into the upper great lakes region today and then lingers 
into thursday. 

still looking at gusty northeast winds through midweek, especially
over the southern half of the lake and building waves along the 
western lakeshore. 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. expecting winds to increase during this timeframe as 
well with a broad low pressure trough around 29.8 inches setting 
up over the plains.


lmz080-669-671-673-675-777-779-870-872-874-876-878-201515-
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 am cdt wed may 20 2026

sheboygan wi to pentwater mi south...

.today...north winds 10 to 20 kt increasing to 15 to 25 kt. waves
3 to 5 ft building to 4 to 6 ft occasionally to 8 ft.
.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.
chance of showers in the afternoon. waves 3 to 5 ft. 
.friday night...east winds 15 to 25 kt. showers likely. waves
4 to 6 ft occasionally to 8 ft. 
.saturday...east 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. 
.sunday...south winds 5 to 10 kt. waves 1 ft or less.  

$$