fzus61 kcle 220136
glfle 
expires:202605220815;;429757

open lake forecast for lake erie
national weather service cleveland oh
936 pm edt thu may 21 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 will shift northeast of lake erie
during the day friday. low pressure 30.00 inches will lift
northeast from the ohio valley friday night into saturday with a
warm front lifting across the lake by late saturday. a cold front
will move east across the lake sunday before high pressure 30.00
inches builds over the region as the front slows over the ohio 
valley early next week.


lez162-163-220815-
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-
936 pm edt thu may 21 2026

.overnight...east winds 15 to 25 knots. waves 4 to 7 feet
subsiding to 3 to 6 feet. waves occasionally around 9 feet. 
.friday...east winds 20 to 25 knots. waves 3 to 6 feet building
to 4 to 7 feet. waves occasionally around 9 feet. 
.friday night...east winds 20 to 25 knots. a chance of showers in
the evening, then showers overnight. waves 4 to 7 feet subsiding
to 3 to 6 feet. waves occasionally around 9 feet. 
.saturday...east winds 15 to 25 knots diminishing to 10 to
15 knots. showers. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.saturday night...east winds 5 to 15 knots becoming west. showers
in the evening, then a chance of showers overnight. waves 1 to
2 feet. 
.sunday...west winds 10 knots or less becoming east. a chance of
showers sunday night. waves 1 foot or less. 
.monday...northeast winds 10 knots or less becoming east. waves
1 foot or less. 
.tuesday...east winds 5 to 10 knots becoming southeast. waves
1 foot or less. 

$$

fzus61 kcle 220136
glfle 
expires:202605220815;;429758

open lake forecast for lake erie
national weather service cleveland oh
936 pm edt thu may 21 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 will shift northeast of lake erie
during the day friday. low pressure 30.00 inches will lift
northeast from the ohio valley friday night into saturday with a
warm front lifting across the lake by late saturday. a cold front
will move east across the lake sunday before high pressure 30.00
inches builds over the region as the front slows over the ohio 
valley early next week.


lez164>168-220815-
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-
936 pm edt thu may 21 2026

.overnight...northeast winds 15 to 25 knots becoming east.
waves 4 to 7 feet. waves occasionally around 9 feet. 
.friday...east winds 15 to 25 knots. waves 5 to 8 feet. waves
occasionally around 10 feet. 
.friday night...east winds 15 to 25 knots. a chance of showers
overnight. waves 5 to 8 feet subsiding to 3 to 6 feet. waves
occasionally around 10 feet. 
.saturday...east winds 15 to 20 knots becoming southeast.
showers. waves 3 to 6 feet. 
.saturday night...southeast winds 15 to 20 knots becoming south
10 to 15 knots. showers. waves 3 to 5 feet subsiding to 1 to
3 feet. 
.sunday...southwest winds 10 knots or less becoming southeast. a
chance of showers sunday night. waves 2 feet or less. 
.monday...northeast winds less than 10 knots becoming east. waves
1 foot or less. 
.tuesday...east winds less than 10 knots becoming southeast.
waves 1 foot or less. 

$$

fzus63 kdtx 220142
glfsc 
expires:202605220945;;429852

lake st clair forecast
national weather service detroit/pontiac mi
942 pm edt thu may 21 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 slowly
shift eastward away from the great lakes region through friday. a
low pressure system will track from the mid-mississippi valley
northward into saturday as northeast winds veer east. this will
bring the next chance for showers and thunderstorms to the area
late friday into saturday.


lcz460-220945-
lake st clair-
942 pm edt thu may 21 2026

...small craft advisory in effect from 4 am edt friday through
saturday morning...

.rest of tonight...northeast winds 10 to 15 knots becoming east 15
to 20 knots after midnight. partly cloudy. waves 1 to 3 feet.
.friday...east winds 20 to 25 knots diminishing to 15 to 20 knots in
the afternoon. partly sunny. waves 2 to 4 feet.
.friday night...east winds 20 to 25 knots. gusts to 30 knots in the
late evening and overnight. a chance of light showers by midnight.
rain showers after midnight. waves 2 to 4 feet.
.saturday...east winds to 30 knots diminishing to 20 to 25 knots
with gusts to 30 knots in the late morning and afternoon. showers.
waves 2 to 4 feet.
.saturday night...east winds 15 to 20 knots diminishing to 10 to 15
knots by midnight...then backing to the northeast after midnight.
showers early in the evening...then a chance of light showers by
midnight. waves 1 to 3 feet.
.sunday...west winds 5 to 10 knots backing to the southeast in the
evening. partly sunny...then partly cloudy with a chance of showers
in the evening. waves 2 feet or less.
.monday...southeast winds 5 to 10 knots. partly cloudy. a chance of
showers. waves 2 feet or less.
.tuesday...south winds 5 to 10 knots. partly cloudy. waves 2 feet or
less.

$$

fzus63 kdtx 220142
glflh 
expires:202605220945;;429850

open lake forecast for lake huron
national weather service detroit/pontiac mi
942 pm edt thu may 21 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 slowly
shift eastward away from the great lakes region through friday. a
low pressure system will track from the mid-mississippi valley
northward into saturday as northeast winds veer east. this will
bring the next chance for showers and thunderstorms to the area
late friday into saturday.


lhz462>464-220945-
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-
942 pm edt thu may 21 2026

.rest of tonight...northeast winds 10 to 15 knots. waves 2 to
4 feet subsiding to 1 to 3 feet early in the morning. 
.friday...northeast winds 10 to 15 knots. waves 2 to 4 feet. 
.friday night...northeast winds 10 to 15 knots becoming east
15 to 20 knots in the late evening and overnight. a chance of
showers after midnight. waves 3 to 5 feet. 
.saturday...east winds 15 to 20 knots increasing to 20 to
25 knots in the late morning and afternoon. gusts to 30 knots.
showers likely in the morning...then showers in the afternoon.
waves 5 to 7 feet. waves occasionally around 10 feet. 
.saturday night...east winds 20 to 25 knots with gusts to around
30 knots decreasing to 10 to 15 knots. showers in the evening.
waves 4 to 6 feet. 
.sunday...south winds 5 to 10 knots backing to the north late in
the afternoon...then becoming light and variable late in the
evening. waves 2 to 4 feet subsiding to 2 feet or less. waves
occasionally around 8 feet. 
.monday...light and variable winds becoming east 5 to 10 knots
until early evening...then becoming light and variable by
midnight. waves 2 feet or less. 
.tuesday...light and variable winds becoming southeast 5 to
10 knots early in the evening...then becoming light and variable
by midnight. waves 2 feet or less. 


$$

fzus63 kmkx 220204
glflm 
expires:202605220930;;430267

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
904 pm cdt thu may 21 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 30.4 inches centered over the upper great lakes 
will gradually shift eastward through the end of the week. 
persistent east to northeast winds of 10 to 20 knots are expected 
through friday, with winds becoming northerly on saturday as low 
pressure of 29.9 inches lifts northeast to western lake erie. 
winds should increase a bit friday afternoon into saturday, though
winds will remain below gale force. southerly winds are then 
expected to develop early next week.


lmz261-362-364-366-563-565-567-868-220930-
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-
904 pm cdt thu may 21 2026

sheboygan wi to pentwater mi north...

.rest of tonight...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 to 30 kt.
waves 2 to 4 ft building to 3 to 5 ft. 
.friday night...east winds to 30 kt. waves 3 to 5 ft. 
.saturday...east winds to 30 kt becoming northeast. chance of
showers. waves 4 to 6 ft occasionally to 8 ft. 
.saturday night...northeast winds to 30 kt veering to south 10 to
15 kt overnight. waves 3 to 5 ft subsiding to 1 to 3 ft. 
.sunday...south winds 5 to 10 kt becoming southwest 10 to 15 kt.
waves 1 to 2 ft. 
.sunday night...south winds 10 to 15 kt diminishing to 5 to
10 kt. waves 1 ft or less. 
.monday...south winds 10 to 15 kt. waves 1 to 2 ft. 
.tuesday...south winds 10 to 15 kt becoming southwest. waves 1 to
2 ft.  

$$

fzus63 kmkx 220204
glflm 
expires:202605220930;;430268

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
904 pm cdt thu may 21 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 30.4 inches centered over the upper great lakes 
will gradually shift eastward through the end of the week. 
persistent east to northeast winds of 10 to 20 knots are expected 
through friday, with winds becoming northerly on saturday as low 
pressure of 29.9 inches lifts northeast to western lake erie. 
winds should increase a bit friday afternoon into saturday, though
winds will remain below gale force. southerly winds are then 
expected to develop early next week.


lmz080-669-671-673-675-777-779-870-872-874-876-878-220930-
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-
904 pm cdt thu may 21 2026

sheboygan wi to pentwater mi south...

.rest of tonight...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. chance of showers
overnight. waves 3 to 5 ft. 
.saturday...northeast winds 15 to 25 kt becoming north 10 to
20 kt. chance of showers in the morning. waves 3 to 5 ft
subsiding to 2 to 4 ft. 
.saturday night...north winds 10 to 15 kt veering to south. waves
1 to 3 ft. 
.sunday...south winds 5 to 10 kt. waves 1 ft or less. 
.sunday night...southeast winds 5 to 10 kt becoming south. waves
1 ft or less. 
.monday...south winds 5 to 10 kt becoming southeast. waves 1 to
2 ft. 
.tuesday...south winds 5 to 10 kt becoming southeast. waves 1 to
2 ft.  

$$