(1/7)
Latest Great Lakes Marine Forecast by KCLE
Issued 4/9/2026 3:39 AM America/New_York.
Valid through 4/9/2026 10:15 AM America/New_York.
fzus61 kcle 090739
glfle
expires:202604091415;;070982
open lake forecast for lake erie
national weather service cleveland oh
339 am edt thu apr 9 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 frontal boundary will slowly move southeast into the region this
afternoon before wavering in the vicinity of the lake through
early friday and moving southeast across lake erie during the day
friday. high pressure 30.50 inches will move east over the great
lakes behind the front late friday into saturday and exit to the
east as a warm front lifts northeast from the ohio valley by the
end of the weekend.
lez164>167-091415-
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-
339 am edt thu apr 9 2026
.today...south winds 15 to 20 knots becoming southwest 10 to
15 knots. a slight chance of showers and thunderstorms early this
afternoon. a chance of showers with a slight chance of
thunderstorms late. waves 3 to 5 feet subsiding to 2 to 4 feet.
.tonight...southwest winds 5 to 10 knots becoming south. a chance
of showers with a slight chance of thunderstorms through the
early overnight, then a slight chance of showers late. waves 1 to
3 feet.
.friday...south winds 5 to 15 knots becoming northwest. showers.
waves 1 to 2 feet.
.friday night...northwest winds 5 to 10 knots becoming north.
rain showers in the evening. waves 1 foot or less.
.saturday...northeast winds 5 to 10 knots becoming east. waves
1 foot or less.
.sunday...southeast winds 5 to 15 knots becoming southwest 15 to
20 knots. waves 1 to 3 feet building to 3 to 6 feet.
.monday...southwest winds 15 to 25 knots. a chance of showers
during the day, then a chance of showers and thunderstorms monday
night. waves 3 to 6 feet.
winds and waves higher in and near thunderstorms.
$$
(2/7)
Latest Great Lakes Marine Forecast by KCLE
Issued 4/9/2026 3:39 AM America/New_York.
Valid through 4/9/2026 10:15 AM America/New_York.
fzus61 kcle 090739
glfle
expires:202604091415;;070981
open lake forecast for lake erie
national weather service cleveland oh
339 am edt thu apr 9 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 frontal boundary will slowly move southeast into the region this
afternoon before wavering in the vicinity of the lake through
early friday and moving southeast across lake erie during the day
friday. high pressure 30.50 inches will move east over the great
lakes behind the front late friday into saturday and exit to the
east as a warm front lifts northeast from the ohio valley by the
end of the weekend.
lez162-163-091415-
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-
339 am edt thu apr 9 2026
.today...south winds 15 to 20 knots becoming west 10 to 15 knots.
a chance of showers with a slight chance of thunderstorms this
afternoon. waves 1 to 3 feet.
.tonight...west winds 5 to 10 knots becoming southeast. a chance
of showers with a slight chance of thunderstorms through the
early overnight, then a slight chance of showers late. waves
2 feet or less.
.friday...south winds around 10 knots becoming northwest.
showers. waves 1 foot or less.
.friday night...north winds 5 to 10 knots becoming northeast.
showers likely in the evening. waves 1 foot or less.
.saturday...northeast winds 5 to 10 knots becoming southeast.
waves 2 feet or less.
.sunday...southeast winds 10 to 15 knots becoming southwest 15 to
20 knots. a chance of showers sunday night. waves 1 to 3 feet
building to 2 to 4 feet.
.monday...southwest winds 15 to 25 knots. a chance of showers.
waves 2 to 4 feet.
winds and waves higher in and near thunderstorms.
$$
(3/7)
Latest Great Lakes Marine Forecast by KDTX
Issued 4/9/2026 2:11 AM America/New_York.
Valid through 4/9/2026 10:15 AM America/New_York.
fzus63 kdtx 090611
glfsc
expires:202604091415;;065983
lake st clair forecast
national weather service detroit/pontiac mi
211 am edt thu apr 9 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...increasing southerly winds tonight as low pressure,
29.70 inches, tracks through lake superior and ontario. brief
gusts to gales possible over northern lake huron. showers move in
tonight into thursday as the associated cold front swings
through. additional opportunities for showers and perhaps a
thunderstorm thursday night and friday, with some light snowfall
more likely for the north/central huron basin. high pressure then
builds out of the upper midwest to start the weekend, but active
weather will be possible again sunday through tuesday.
lcz460-091415-
lake st clair-
211 am edt thu apr 9 2026
.today...southwest winds 15 to 20 knots. partly sunny. a chance of
light rain in the late morning and early afternoon. waves 1 to 3
feet.
.tonight...southwest winds 10 to 15 knots becoming northwest 5 to 10
knots late in the evening...then veering to the north after
midnight. partly cloudy in the evening...then a chance of light rain
after midnight. mostly cloudy with a chance of light rain early in
the morning. waves 2 feet or less.
.friday...north winds 5 to 10 knots. rain until late afternoon...
then a chance of light rain early in the afternoon. waves 2 feet or
less.
.friday night...north winds 5 to 10 knots. partly cloudy. a chance
of light rain early in the evening. waves 2 feet or less.
.saturday...northeast winds 5 to 10 knots in the morning becoming
light and variable...then becoming southeast 5 to 10 knots in the
evening. mostly sunny becoming sunny in the afternoon becoming
partly cloudy. waves 2 feet or less.
.sunday...south winds 15 to 20 knots. mostly cloudy with a chance of
light rain. waves 2 feet or less.
.monday...southwest winds 20 to 25 knots with gusts to 30 knots.
mostly cloudy. a chance of light rain. waves 2 to 4 feet. a small
craft advisory may be needed.
$$
(4/7)
Latest Great Lakes Marine Forecast by KDTX
Issued 4/9/2026 2:10 AM America/New_York.
Valid through 4/9/2026 10:15 AM America/New_York.
fzus63 kdtx 090610
glflh
expires:202604091415;;065969
open lake forecast for lake huron
national weather service detroit/pontiac mi
210 am edt thu apr 9 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...increasing southerly winds tonight as low pressure,
29.70 inches, tracks through lake superior and ontario. brief
gusts to gales possible over northern lake huron. showers move in
tonight into thursday as the associated cold front swings
through. additional opportunities for showers and perhaps a
thunderstorm thursday night and friday, with some light snowfall
more likely for the north/central huron basin. high pressure then
builds out of the upper midwest to start the weekend, but active
weather will be possible again sunday through tuesday.
lhz462>464-091415-
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-
210 am edt thu apr 9 2026
.today...south winds 20 to 25 knots with gusts to around 30 knots
becoming southwest 10 to 15 knots. a chance of rain in the
morning. waves 4 to 6 feet.
.tonight...west winds 10 to 15 knots becoming northeast early in
the morning. a chance of rain after midnight. waves 2 to 4 feet
subsiding to 1 to 3 feet in the late evening and overnight. waves
occasionally around 8 feet.
.friday...northeast winds 5 to 10 knots. rain in the morning.
waves 2 feet or less.
.friday night...north winds 5 to 10 knots. waves 2 feet or less.
.saturday...northwest winds 5 to 10 knots in the morning becoming
light and variable...then becoming northeast 5 to 10 knots late
in the afternoon veering to the southeast. waves 2 feet or less.
.sunday...southeast winds 10 to 15 knots becoming south 20 to
25 knots with gusts to around 30 knots. a chance of rain. waves
3 to 5 feet building to 5 to 7 feet by midnight. waves
occasionally around 10 feet.
.monday...southwest winds 20 to 25 knots with gusts to around
30 knots decreasing to 10 to 15 knots. a chance of rain. rain
likely by midnight. waves 5 to 7 feet. waves occasionally around
10 feet.
$$
(5/7)
Latest Great Lakes Marine Forecast by KMKX
Issued 4/9/2026 3:04 AM US/Central.
Valid through 4/9/2026 10:30 AM US/Central.
fzus63 kmkx 090804
glflm
expires:202604091530;;071861
open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
304 am cdt thu apr 9 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 over far western ontario will
track north of lake superior through late morning. the winds
behind the associated front dropping down lake michigan early this
morning will be westerly and light. the gale warning will be
allowed to expire at 4 am.
light and variable winds will prevail this afternoon through
saturday morning, until breezy southerly winds return later in the
weekend. southerly gales are possible over the north half
sunday into monday morning.
lmz080-777-779-878-091530-
lake michigan from michigan city in to st. joseph mi 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 st. joseph to south haven mi 5 nm offshore to
mid lake-
304 am cdt thu apr 9 2026
winthrop harbor il to south haven mi south...
.today...southwest winds 10 to 20 kt diminishing to 10 to 15 kt
late this morning, then diminishing to 5 to 10 kt early this
afternoon and backing to southeast late. chance of rain showers this
morning. waves 4 to 6 ft occasionally to 8 ft subsiding to 1 to 3
ft.
.tonight...east winds 5 to 10 kt becoming northeast 10 to 15 kt.
chance of rain showers and slight chance of thunderstorms in the
evening, then rain showers and slight chance of thunderstorms
overnight. waves 1 to 2 ft.
.friday...northeast winds 10 to 15 kt becoming north. chance of
rain showers. waves 1 to 2 ft.
.friday night...northeast winds 10 to 15 kt diminishing to 5 to
10 kt. waves 1 to 2 ft.
.saturday...east winds 5 to 10 kt. waves 1 ft or less.
.saturday night...southeast winds 10 to 15 kt increasing to 10 to
20 kt. chance of rain showers. waves 1 to 2 ft building to 2 to
4 ft.
.sunday...south winds 15 to 25 kt increasing to 30 kt. chance of
showers. waves 4 to 6 ft occasionally to 8 ft.
.monday...southwest winds to 30 kt diminishing to 15 to 25 kt.
chance of showers. waves 5 to 8 ft occasionally to 10 ft
subsiding to 4 to 6 ft occasionally to 8 ft.
$$
(6/7)
Latest Great Lakes Marine Forecast by KMKX
Issued 4/9/2026 3:04 AM US/Central.
Valid through 4/9/2026 10:30 AM US/Central.
fzus63 kmkx 090804
glflm
expires:202604091530;;071859
open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
304 am cdt thu apr 9 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 over far western ontario will
track north of lake superior through late morning. the winds
behind the associated front dropping down lake michigan early this
morning will be westerly and light. the gale warning will be
allowed to expire at 4 am.
light and variable winds will prevail this afternoon through
saturday morning, until breezy southerly winds return later in the
weekend. southerly gales are possible over the north half
sunday into monday morning.
lmz261-362-364-366-563-565-567-868-091530-
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-
304 am cdt thu apr 9 2026
sheboygan wi to pentwater mi north...
...gale warning in effect until 4 am cdt early this morning...
.today...southwest winds 15 to 25 kt becoming west 10 to 20 kt.
waves 4 to 7 ft occasionally to 9 ft subsiding to 2 to 4 ft.
.tonight...west winds 10 to 15 kt veering to northeast. slight
chance of rain showers in the evening, then chance of rain
showers overnight. waves 1 to 3 ft subsiding to 1 to 2 ft.
.friday...northeast winds 5 to 10 kt becoming north. waves 1 to
2 ft.
.friday night...northeast winds 10 to 15 kt veering to south less
than 10 kt overnight. waves 1 ft or less.
.saturday...south winds 5 to 10 kt increasing to 10 to 15 kt.
waves 1 to 2 ft.
.saturday night...southeast winds 10 to 15 kt increasing to 15 to
25 kt. chance of rain showers. waves 1 to 3 ft building to 4 to
7 ft occasionally to 9 ft.
.sunday...south winds to 30 kt increasing to gales to 35 kt. rain
showers. waves 6 to 9 ft occasionally to 12 ft building to 8 to
11 ft occasionally to 14 ft.
.monday...southwest gales to 35 kt diminishing to 15 to 25 kt.
chance of rain showers. waves 8 to 12 ft occasionally to 16 ft
subsiding to 6 to 9 ft occasionally to 12 ft.
$$
(7/7)
Latest Great Lakes Marine Forecast by KMKX
Issued 4/9/2026 3:04 AM US/Central.
Valid through 4/9/2026 10:30 AM US/Central.
fzus63 kmkx 090804
glflm
expires:202604091530;;071860
open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
304 am cdt thu apr 9 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 over far western ontario will
track north of lake superior through late morning. the winds
behind the associated front dropping down lake michigan early this
morning will be westerly and light. the gale warning will be
allowed to expire at 4 am.
light and variable winds will prevail this afternoon through
saturday morning, until breezy southerly winds return later in the
weekend. southerly gales are possible over the north half
sunday into monday morning.
lmz669-671-673-675-870-872-874-876-091530-
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 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-
304 am cdt thu apr 9 2026
sheboygan wi to pentwater mi south to winthrop harbor il to south
haven mi...
...gale warning in effect until 4 am cdt early this morning...
.today...southwest winds 15 to 25 kt diminishing to 5 to 10 kt.
waves 4 to 7 ft occasionally to 9 ft subsiding to 1 to 3 ft.
.tonight...east winds 5 to 10 kt becoming northeast 10 to 15 kt.
chance of rain showers in the evening, then rain showers
overnight. waves 1 to 2 ft.
.friday...northeast winds 10 to 15 kt becoming north 10 to 20 kt.
chance of rain showers in the morning. waves 1 to 2 ft.
.friday night...northeast winds 10 to 15 kt diminishing to 5 to
10 kt. waves 1 to 2 ft.
.saturday...southeast winds 5 to 10 kt increasing to 10 to 15 kt.
waves 1 to 2 ft.
.saturday night...southeast winds 10 to 20 kt increasing to 15 to
25 kt. chance of rain showers. waves 1 to 3 ft building to 4 to
7 ft occasionally to 9 ft.
.sunday...south winds to 30 kt. chance of rain showers. waves
6 to 9 ft occasionally to 12 ft building to 7 to 10 ft
occasionally to 13 ft.
.monday...southwest winds to 30 kt becoming south 15 to 25 kt.
chance of showers. waves 8 to 11 ft occasionally to 14 ft
subsiding to 6 to 9 ft occasionally to 12 ft.
$$
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