(1/6)
Latest Great Lakes Marine Forecast by KCLE
Issued 6/21/2026 9:42 PM America/New_York.
Valid through 6/22/2026 4:30 AM America/New_York.
fzus61 kcle 220142
glfle
expires:202606220830;;156020
open lake forecast for lake erie
national weather service cleveland oh
942 pm edt sun jun 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...
a trough averaging 29.80 inches will impact lake erie through
monday as the parent low of 29.70 inches wobbles east-northeastward
from southern illinois to near central pennsylvania. behind the
low and trough, a ridge averaging 30.00 inches should build from
the upper midwest monday night through tuesday and then begin to
exit eastward by wednesday. a warm front should drift northeastward
across lake erie wednesday night through thursday morning and a
cold front should sweep eastward across the lake thursday evening
through friday morning as a low of 29.80 inches wobbles
east-northeastward from the upper midwest to southern quebec.
behind the cold front, a ridge averaging 30.10 inches should build
from the upper midwest through the remainder of this friday.
lez162-163-220830-
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-
942 pm edt sun jun 21 2026
.rest of tonight...east winds 10 to 15 knots increasing to 15 to
25 knots. a chance of showers late this evening, then showers
after midnight. waves 1 foot or less building to 3 to 5 feet.
.monday...east winds 15 to 25 knots becoming northeast. showers
likely early, then a chance of showers. waves 3 to 6 feet
building to 4 to 7 feet, then subsiding to 3 to 6 feet. waves
occasionally around 9 feet.
.monday night...north winds 15 to 20 knots diminishing to 10 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet.
.tuesday...north winds 10 knots or less becoming northwest. waves
2 feet or less.
.tuesday night...northwest winds 10 knots or less becoming east.
waves 1 foot or less.
.wednesday...south winds 10 knots or less. a chance of showers
and thunderstorms wednesday night. waves 1 foot or less.
.thursday...southwest winds 5 to 10 knots becoming west. a chance
of showers and thunderstorms during the day. waves 1 foot or
less.
.friday...west winds 5 to 10 knots becoming northeast. waves
1 foot or less.
winds and waves higher in and near thunderstorms.
$$
(2/6)
Latest Great Lakes Marine Forecast by KCLE
Issued 6/21/2026 9:42 PM America/New_York.
Valid through 6/22/2026 4:30 AM America/New_York.
fzus61 kcle 220142
glfle
expires:202606220830;;156021
open lake forecast for lake erie
national weather service cleveland oh
942 pm edt sun jun 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...
a trough averaging 29.80 inches will impact lake erie through
monday as the parent low of 29.70 inches wobbles east-northeastward
from southern illinois to near central pennsylvania. behind the
low and trough, a ridge averaging 30.00 inches should build from
the upper midwest monday night through tuesday and then begin to
exit eastward by wednesday. a warm front should drift northeastward
across lake erie wednesday night through thursday morning and a
cold front should sweep eastward across the lake thursday evening
through friday morning as a low of 29.80 inches wobbles
east-northeastward from the upper midwest to southern quebec.
behind the cold front, a ridge averaging 30.10 inches should build
from the upper midwest through the remainder of this friday.
lez164>167-220830-
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-
942 pm edt sun jun 21 2026
.rest of tonight...east winds 10 to 15 knots increasing to 15 to
20 knots. a slight chance of showers late this evening, then
showers after midnight. waves 1 foot or less building to 3 to
5 feet.
.monday...northeast winds 15 to 25 knots. showers in the morning,
then a chance of showers early in the afternoon. a slight chance
of showers late. waves 3 to 6 feet building to 4 to 7 feet. waves
occasionally around 9 feet.
.monday night...northeast winds 15 to 20 knots becoming north
10 to 15 knots. waves 3 to 6 feet subsiding to 1 to 3 feet.
.tuesday...north winds 5 to 15 knots becoming northwest. waves
1 to 3 feet subsiding to 1 foot or less.
.tuesday night...northwest winds 10 knots or less becoming north.
waves 2 feet or less.
.wednesday...west winds 10 knots or less becoming south. a chance
of showers wednesday night. waves 1 foot or less.
.thursday...south winds 5 to 10 knots becoming west. a chance of
showers and thunderstorms during the day, then a chance of
showers thursday night. waves 1 to 2 feet.
.friday...west winds 5 to 10 knots becoming southeast. waves
1 foot or less.
winds and waves higher in and near thunderstorms.
$$
(3/6)
Latest Great Lakes Marine Forecast by KDTX
Issued 6/21/2026 10:15 PM America/New_York.
Valid through 6/22/2026 6:15 AM America/New_York.
fzus63 kdtx 220215
glfsc
expires:202606221015;;157588
lake st clair forecast
national weather service detroit/pontiac mi
1015 pm edt sun jun 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...a compact low pressure system, 29.60 inches, move east
across the ohio valley this morning, bringing active weather
across the southern great lakes. high pressure, 30.20 inches,
will then build in tonight, producing light winds for the early
week period.
lcz460-221015-
lake st clair-
1015 pm edt sun jun 21 2026
.rest of tonight...southeast winds 5 to 10 knots becoming east 10 to
15 knots after midnight. a chance of light showers this
evening...then showers after midnight. waves 2 feet or less.
.monday...northeast winds 15 to 20 knots diminishing to 10 to 15
knots late in the afternoon. partly sunny. showers likely early in
the morning...then a chance of light showers late in the morning.
waves 1 to 3 feet.
.monday night...north winds 10 to 15 knots. clear. waves 2 feet or
less.
.tuesday...north winds 10 to 15 knots diminishing to 5 to 10 knots
in the late morning and afternoon. mostly sunny. waves 2 feet or
less.
.tuesday night...northeast winds 10 to 15 knots becoming light and
variable. mostly clear. waves 2 feet or less.
.wednesday...light and variable winds becoming south 5 to 10 knots
in the afternoon and evening. mostly sunny...then partly cloudy with
a chance of showers in the evening. waves 2 feet or less.
.thursday...west winds 5 to 10 knots. partly cloudy. showers likely
and a chance of thunderstorms. waves 2 feet or less.
.friday...north winds 5 to 10 knots. mostly clear. waves 2 feet or
less.
$$
(4/6)
Latest Great Lakes Marine Forecast by KDTX
Issued 6/21/2026 10:15 PM America/New_York.
Valid through 6/22/2026 6:15 AM America/New_York.
fzus63 kdtx 220215
glflh
expires:202606221015;;157591
open lake forecast for lake huron
national weather service detroit/pontiac mi
1015 pm edt sun jun 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...a compact low pressure system, 29.60 inches, move east
across the ohio valley this morning, bringing active weather
across the southern great lakes. high pressure, 30.20 inches,
will then build in tonight, producing light winds for the early
week period.
lhz462>464-221015-
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-
1015 pm edt sun jun 21 2026
.rest of tonight...east winds 5 to 10 knots. a chance of showers
after midnight. waves 2 feet or less.
.monday...east winds 5 to 10 knots backing to the northeast early
in the afternoon...then becoming northeast 5 to 10 knots late in
the afternoon. a chance of showers in the morning. waves 1 to
3 feet.
.monday night...north winds 10 to 15 knots. waves 2 to 4 feet
subsiding to 1 to 3 feet in the late evening and overnight.
.tuesday...north winds 5 to 10 knots. waves 1 to 3 feet.
.tuesday night...light and variable winds. waves 2 feet or less.
.wednesday...light and variable winds becoming east 5 to 10 knots
late in the afternoon. a chance of showers late in the afternoon.
rain showers likely late in the evening. waves 2 feet or less.
.thursday...southeast winds 5 to 10 knots backing to the
northeast by midnight. showers likely early in the morning. a
chance of thunderstorms until early evening. a chance of showers
. waves 2 feet or less.
.friday...west winds 5 to 10 knots until afternoon becoming light
and variable. waves 2 feet or less.
$$
(5/6)
Latest Great Lakes Marine Forecast by KMKX
Issued 6/21/2026 9:00 PM US/Central.
Valid through 6/22/2026 4:15 AM US/Central.
fzus63 kmkx 220200
glflm
expires:202606220915;;156597
open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
900 pm cdt sun jun 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...
low pressure around 29.7 inches will track eastward from
northeastern missouri to ohio by monday. light easterly winds will
persist across much of the lake with breezy northeast winds across
the far southern portion tonight through monday. lighter
northerly winds are expected late monday evening into tuesday as
high pressure around 30.1 inches builds into the region. winds
will become light and variable tuesday night as the high pressure
tracks overhead. by wednesday, the high pressure will exit to the
southeast and low pressure around 29.8 inches moves from the
northern plains into northern wisconsin. as the low approaches
breezy south to southeast winds will develop across the lake.
lmz261-362-364-366-563-565-567-868-220915-
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-
900 pm cdt sun jun 21 2026
sheboygan wi to pentwater mi north...
.rest of tonight...east winds less than 10 kt becoming northeast
late this evening, then becoming 10 to 15 kt after midnight
becoming north 10 to 20 kt late. waves 1 to 2 ft.
.monday...north winds 10 to 20 kt increasing to 15 to 25 kt.
waves 3 to 5 ft.
.monday night...north winds 10 to 20 kt diminishing to 10 to
15 kt. waves 2 to 4 ft subsiding to 1 to 2 ft.
.tuesday...north winds 10 to 15 kt becoming northwest 10 to
20 kt. waves 1 to 2 ft.
.tuesday night...north winds 5 to 10 kt veering to southeast.
waves 1 to 2 ft.
.wednesday...south winds 10 to 15 kt increasing to 10 to 20 kt.
showers likely in the morning, then showers likely with a chance
of thunderstorms in the afternoon. waves 1 to 2 ft building to
1 to 3 ft.
.wednesday night...southeast winds 10 to 15 kt becoming south.
chance of showers and thunderstorms. waves 1 to 3 ft.
.thursday...northwest winds 10 to 15 kt becoming southwest 10 to
20 kt. waves 1 to 2 ft.
.friday...northwest winds 10 to 15 kt backing to southwest 10 to
20 kt. waves 1 ft or less.
$$
(6/6)
Latest Great Lakes Marine Forecast by KMKX
Issued 6/21/2026 9:00 PM US/Central.
Valid through 6/22/2026 4:15 AM US/Central.
fzus63 kmkx 220200
glflm
expires:202606220915;;156598
open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
900 pm cdt sun jun 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...
low pressure around 29.7 inches will track eastward from
northeastern missouri to ohio by monday. light easterly winds will
persist across much of the lake with breezy northeast winds across
the far southern portion tonight through monday. lighter
northerly winds are expected late monday evening into tuesday as
high pressure around 30.1 inches builds into the region. winds
will become light and variable tuesday night as the high pressure
tracks overhead. by wednesday, the high pressure will exit to the
southeast and low pressure around 29.8 inches moves from the
northern plains into northern wisconsin. as the low approaches
breezy south to southeast winds will develop across the lake.
lmz080-669-671-673-675-777-779-870-872-874-876-878-220915-
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-
900 pm cdt sun jun 21 2026
sheboygan wi to pentwater mi south...
.rest of tonight...east winds 15 to 25 kt becoming northeast to
30 kt. showers through early evening, then chance of showers
overnight. waves 2 to 4 ft building to 4 to 6 ft occasionally to
8 ft.
.monday...north winds to 30 kt diminishing to 15 to 25 kt. waves
4 to 6 ft occasionally to 8 ft.
.monday night...north winds 15 to 25 kt diminishing to 10 to
15 kt. waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to
5 ft.
.tuesday...north winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 3 ft.
.tuesday night...northeast winds 10 to 15 kt veering to
southwest. waves 1 to 2 ft.
.wednesday...south winds 10 to 15 kt increasing to 10 to 20 kt.
chance of showers. waves 1 to 2 ft building to 1 to 3 ft.
.wednesday night...south winds 10 to 15 kt becoming southwest
5 to 10 kt. chance of showers and thunderstorms. waves 1 to 3 ft.
.thursday...west winds 10 to 15 kt becoming southwest 10 to
20 kt. waves 1 to 2 ft.
.friday...northwest winds 10 to 15 kt becoming northeast 10 to
20 kt. waves 1 to 2 ft.
$$
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