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(1/9)
Latest Great Lakes Marine Forecast by KBUF
Issued 4/9/2026 4:10 AM America/New_York.
Valid through 4/9/2026 11:00 AM America/New_York.
fzus61 kbuf 090810
glflo
expires:202604091500;;072621
open lake forecast for lake ontario
national weather service buffalo ny
410 am edt thu apr 9 2026
for waters beyond five nautical miles of shore on lake ontario
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 30.6 inch high will drift southeast of nova scotia
today. a 29.5 inch low will move across james bay today to northern
quebec tonight, with a trailing cold front crossing the lake tonight
through friday. a 30.5 inch high is then forecast to build into the
central great lakes saturday, then drift east to new england by
sunday. the cold front from a 29.4 inch low near james bay will
approach the lake monday and then stall nearby into tuesday.
loz062-091500-
lake ontario open waters from the niagara river to hamlin beach-
410 am edt thu apr 9 2026
.today...south winds 10 to 15 knots becoming southwest 15 to
20 knots. a chance of showers late. waves 1 to 2 feet building to
3 to 5 feet.
.tonight...southwest winds 15 to 20 knots becoming north 5 to
15 knots. a chance of rain showers late. waves 3 to 5 feet
subsiding to 1 to 3 feet.
.friday...north winds 5 to 10 knots becoming northwest. rain
showers. waves around 1 foot.
.friday night...northwest winds around 10 knots. rain showers in
the evening. waves 1 to 2 feet.
.saturday...northwest winds 10 knots or less becoming southeast.
waves 2 feet or less.
.sunday...east winds 5 to 10 knots becoming southwest and
increasing to 15 to 25 knots. a chance of rain showers. waves
1 foot or less building to 3 to 6 feet.
.monday...southwest winds to 30 knots diminishing to 15 to
25 knots. a chance of showers. waves 4 to 7 feet building to 5 to
9 feet, then subsiding to 4 to 6 feet. waves occasionally around
11 feet.
$$
(2/9)
Latest Great Lakes Marine Forecast by KBUF
Issued 4/9/2026 4:10 AM America/New_York.
Valid through 4/9/2026 11:00 AM America/New_York.
fzus61 kbuf 090810
glflo
expires:202604091500;;072622
open lake forecast for lake ontario
national weather service buffalo ny
410 am edt thu apr 9 2026
for waters beyond five nautical miles of shore on lake ontario
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...a 30.6 inch high will drift southeast of nova scotia
today. a 29.5 inch low will move across james bay today to northern
quebec tonight, with a trailing cold front crossing the lake tonight
through friday. a 30.5 inch high is then forecast to build into the
central great lakes saturday, then drift east to new england by
sunday. the cold front from a 29.4 inch low near james bay will
approach the lake monday and then stall nearby into tuesday.
loz063>065-091500-
lake ontario open waters from hamlin beach to the saint lawrence
river-
410 am edt thu apr 9 2026
.today...south winds 15 to 25 knots. a chance of rain showers
late. waves 3 to 6 feet.
.tonight...south winds 15 to 20 knots becoming west 10 to
15 knots. a chance of showers in the evening. waves 3 to 5 feet
subsiding to 1 to 3 feet.
.friday...west winds 5 to 10 knots becoming northwest. rain
showers. waves 1 to 2 feet.
.friday night...northwest winds 5 to 15 knots. rain showers in
the evening, then a chance of rain showers overnight. waves
2 feet or less.
.saturday...northwest winds 5 to 15 knots becoming south less
than 10 knots. waves 2 feet or less.
.sunday...southeast winds 5 to 15 knots becoming south and
increasing to 30 knots. a chance of rain showers. waves 2 feet or
less building to 4 to 7 feet. waves occasionally around 9 feet.
.monday...southwest winds 15 to 25 knots. showers likely. waves
5 to 8 feet subsiding to 3 to 6 feet. waves occasionally around
10 feet.
$$
(3/9)
Latest Great Lakes Marine Forecast by KCLE
Issued 4/9/2026 9:23 AM America/New_York.
Valid through 4/9/2026 4:15 PM America/New_York.
fzus61 kcle 091323
glfle
expires:202604092015;;083001
open lake forecast for lake erie
national weather service cleveland oh
923 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.
lez162-163-092015-
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-
923 am edt thu apr 9 2026
.this afternoon...southwest winds 15 to 20 knots becoming west
10 to 15 knots. a chance of showers with a slight chance of
thunderstorms. 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.
$$
(4/9)
Latest Great Lakes Marine Forecast by KCLE
Issued 4/9/2026 9:23 AM America/New_York.
Valid through 4/9/2026 4:15 PM America/New_York.
fzus61 kcle 091323
glfle
expires:202604092015;;083002
open lake forecast for lake erie
national weather service cleveland oh
923 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>167-092015-
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-
923 am edt thu apr 9 2026
.this afternoon...south winds 15 to 20 knots becoming southwest
10 to 15 knots. a slight chance of showers and thunderstorms
early. 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.
$$
(5/9)
Latest Great Lakes Marine Forecast by KCLE
Issued 4/9/2026 9:23 AM America/New_York.
Valid through 4/9/2026 4:15 PM America/New_York.
fzus61 kcle 091323
glfle
expires:202604092015;;083003
open lake forecast for lake erie
national weather service cleveland oh
923 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.
lez061-168-169-092015-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-geneva-on-the-
lake to conneaut oh beyond 5 nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
923 am edt thu apr 9 2026
.this afternoon...south winds 15 to 20 knots becoming southwest
10 to 15 knots. a slight chance of showers early.
a chance of showers with a slight chance of thunderstorms late.
waves 2 to 4 feet.
.tonight...southwest winds 10 knots or less. a chance of showers
with a slight chance of thunderstorms through the early
overnight, then a chance of showers late. waves 1 to 3 feet.
.friday...southeast winds 5 to 10 knots becoming west. a chance
of rain showers in the morning, then rain showers in the
afternoon. waves 1 to 2 feet.
.friday night...northwest winds 10 knots or less becoming north.
rain showers in the evening. waves 1 foot or less.
.saturday...north winds less than 10 knots. waves 1 foot or less.
.sunday...southeast winds 5 to 10 knots becoming southwest and
increasing to 15 to 20 knots. waves 2 feet or less building to
2 to 4 feet.
.monday...southwest winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of showers during the day, then a chance of
showers and thunderstorms monday night. waves 3 to 5 feet
subsiding to 2 to 4 feet.
winds and waves higher in and near thunderstorms.
$$
(6/9)
Latest Great Lakes Marine Forecast by KDTX
Issued 4/9/2026 9:47 AM America/New_York.
Valid through 4/9/2026 6:00 PM America/New_York.
fzus63 kdtx 091347
glfsc
expires:202604092200;;083514
lake st clair forecast
national weather service detroit/pontiac mi
947 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...a cold front partially sweeps through the area today
offering a chance for a thunderstorm over the southern lakes. a
weak low, 30.10 inches, slides along the front and across the
region tonight into friday bringing wider spread showers but very
limited potential for thunderstorms. high pressure then builds
out of the upper midwest to start the weekend, but active weather
will be possible again sunday through tuesday.
lcz460-092200-
lake st clair-
947 am edt thu apr 9 2026
.rest of today...southwest winds 10 to 15 knots increasing to 15 to
20 knots early in the afternoon...then diminishing to 10 to 15 knots
late in the afternoon. 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.
$$
(7/9)
Latest Great Lakes Marine Forecast by KDTX
Issued 4/9/2026 9:47 AM America/New_York.
Valid through 4/9/2026 6:00 PM America/New_York.
fzus63 kdtx 091347
glflh
expires:202604092200;;083510
open lake forecast for lake huron
national weather service detroit/pontiac mi
947 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...a cold front partially sweeps through the area today
offering a chance for a thunderstorm over the southern lakes. a
weak low, 30.10 inches, slides along the front and across the
region tonight into friday bringing wider spread showers but very
limited potential for thunderstorms. high pressure then builds
out of the upper midwest to start the weekend, but active weather
will be possible again sunday through tuesday.
lhz361-092200-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
947 am edt thu apr 9 2026
.rest of today...southwest winds 10 to 15 knots becoming west
15 to 20 knots early in the afternoon...then decreasing to 10 to
15 knots late in the afternoon. waves 3 to 5 feet.
.tonight...west winds 10 to 15 knots decreasing to 5 to 10 knots
late in the evening...then becoming light and variable after
midnight. waves 3 to 5 feet subsiding to 1 to 3 feet in the late
evening and overnight.
.friday...light and variable winds becoming west 5 to 10 knots
early in the afternoon. waves 2 feet or less.
.friday night...northwest winds 5 to 10 knots. waves 2 feet or
less.
.saturday...west winds 5 to 10 knots backing to the southeast
late in the afternoon...then increasing to 10 to 15 knots late in
the evening. a chance of rain late in the evening. waves 2 feet
or less building to 2 to 4 feet late in the evening.
.sunday...southeast winds 15 to 20 knots becoming south 20 to
25 knots with gusts to around 30 knots by midnight. rain. waves
5 to 7 feet building to 6 to 9 feet by midnight. waves
occasionally around 12 feet.
.monday...southwest winds 20 to 25 knots with gusts to around
30 knots decreasing to 15 to 20 knots in the late morning and
early afternoon...then becoming west 10 to 15 knots early in the
evening veering to the northeast by midnight. rain likely early
in the morning...then a chance of rain until early evening. rain
likely by midnight. waves 6 to 9 feet subsiding to 2 to 4 feet.
waves occasionally around 12 feet.
$$
(8/9)
Latest Great Lakes Marine Forecast by KDTX
Issued 4/9/2026 9:47 AM America/New_York.
Valid through 4/9/2026 6:00 PM America/New_York.
fzus63 kdtx 091347
glflh
expires:202604092200;;083511
open lake forecast for lake huron
national weather service detroit/pontiac mi
947 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...a cold front partially sweeps through the area today
offering a chance for a thunderstorm over the southern lakes. a
weak low, 30.10 inches, slides along the front and across the
region tonight into friday bringing wider spread showers but very
limited potential for thunderstorms. high pressure then builds
out of the upper midwest to start the weekend, but active weather
will be possible again sunday through tuesday.
lhz362-363-092200-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
947 am edt thu apr 9 2026
.rest of today...southwest winds 10 to 15 knots. waves 5 to
7 feet. waves occasionally around 10 feet.
.tonight...north winds 10 to 15 knots becoming light and
variable. a chance of rain and snow after midnight. waves 3 to
5 feet subsiding to 1 to 3 feet after midnight.
.friday...light and variable winds becoming north 5 to 10 knots
in the late morning and afternoon. a chance of rain and snow.
waves 2 feet or less.
.friday night...north winds 5 to 10 knots backing to the
northwest in the late evening and overnight. waves 1 to 3 feet.
.saturday...west winds 5 to 10 knots backing to the southeast
late in the afternoon...then increasing to 10 to 15 knots late in
the evening. waves 2 feet or less building to 2 to 4 feet late in
the evening.
.sunday...southeast winds 15 to 20 knots becoming south 20 to
25 knots with gusts to around 30 knots . rain likely in the late
morning and early afternoon. a chance of rain early in the
evening...then rain likely by midnight. waves 5 to 7 feet
building to 8 to 12 feet . waves occasionally around 15 feet.
.monday...southwest winds 20 to 25 knots with gusts to around
30 knots decreasing to 10 to 15 knots. rain likely early in the
morning...then a chance of rain until early evening. rain likely
by midnight. waves 8 to 12 feet subsiding to 3 to 5 feet by
midnight. waves occasionally around 15 feet.
$$
(9/9)
Latest Great Lakes Marine Forecast by KDTX
Issued 4/9/2026 9:47 AM America/New_York.
Valid through 4/9/2026 6:00 PM America/New_York.
fzus63 kdtx 091347
glflh
expires:202604092200;;083512
open lake forecast for lake huron
national weather service detroit/pontiac mi
947 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...a cold front partially sweeps through the area today
offering a chance for a thunderstorm over the southern lakes. a
weak low, 30.10 inches, slides along the front and across the
region tonight into friday bringing wider spread showers but very
limited potential for thunderstorms. high pressure then builds
out of the upper midwest to start the weekend, but active weather
will be possible again sunday through tuesday.
lhz462>464-092200-
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-
947 am edt thu apr 9 2026
.rest of today...south winds 15 to 20 knots becoming southwest
10 to 15 knots in the afternoon. a chance of rain late in the
morning. waves 4 to 6 feet. waves occasionally around 8 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.
.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 . 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 subsiding to 3 to 5 feet by
midnight. waves occasionally around 10 feet.
$$
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