(1/8)
Latest Great Lakes Marine Forecast by KBUF
Issued 4/19/2026 10:10 PM America/New_York.
Valid through 4/20/2026 5:00 AM America/New_York.
fzus61 kbuf 200210
glflo
expires:202604200900;;666132
open lake forecast for lake ontario
national weather service buffalo ny
1009 pm edt sun apr 19 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...behind a passing cold front, a 30.4 inch high will
settle southeast across the great lakes through monday night, before
sliding off the mid-atlantic coast tuesday. a 29.4 inch low over
lower hudson bay tuesday, will weaken to 29.9 inches by wednesday,
while pushing an attendant weak cold front across the lake tuesday
night. a 30.2 inch high will then build across the great lakes
region wednesday and thursday. a warm front will then approach the
lake by friday.
loz062-200900-
lake ontario open waters from the niagara river to hamlin beach-
1009 pm edt sun apr 19 2026
.rest of tonight...northwest winds 15 to 20 knots. a chance of
snow and rain showers late this evening. a chance of snow showers
late. waves 2 to 4 feet.
.monday...northwest winds 15 to 20 knots diminishing to 10 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet.
.monday night...northwest winds 5 to 15 knots becoming south
10 knots or less. waves 1 to 3 feet subsiding to 1 foot or less.
.tuesday...south winds 10 to 15 knots becoming southeast. waves
1 to 3 feet.
.tuesday night...southeast winds 5 to 10 knots becoming
northeast. waves 2 feet or less.
.wednesday...northeast winds 10 knots or less becoming northwest.
waves 1 foot or less.
.thursday...east winds 10 knots or less. waves 1 foot or less.
.friday...east winds 10 to 15 knots increasing to 15 to 20 knots.
a chance of showers. waves 1 to 3 feet.
$$
(2/8)
Latest Great Lakes Marine Forecast by KBUF
Issued 4/19/2026 10:10 PM America/New_York.
Valid through 4/20/2026 5:00 AM America/New_York.
fzus61 kbuf 200210
glflo
expires:202604200900;;666133
open lake forecast for lake ontario
national weather service buffalo ny
1009 pm edt sun apr 19 2026
for waters beyond five nautical miles of shore on lake ontario
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...behind a passing cold front, a 30.4 inch high will
settle southeast across the great lakes through monday night, before
sliding off the mid-atlantic coast tuesday. a 29.4 inch low over
lower hudson bay tuesday, will weaken to 29.9 inches by wednesday,
while pushing an attendant weak cold front across the lake tuesday
night. a 30.2 inch high will then build across the great lakes
region wednesday and thursday. a warm front will then approach the
lake by friday.
loz063>065-200900-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1009 pm edt sun apr 19 2026
.rest of tonight...west winds 15 to 20 knots becoming northwest.
a chance of rain showers late this evening. a chance of snow
showers late. waves 2 to 4 feet building to 3 to 5 feet.
.monday...northwest winds 15 to 20 knots becoming west. waves
3 to 5 feet subsiding to 2 to 4 feet.
.monday night...west winds 15 to 20 knots becoming southwest and
diminishing to 5 to 10 knots. waves 2 to 4 feet subsiding to
2 feet or less.
.tuesday...southwest winds 5 to 15 knots becoming southeast.
waves 1 to 2 feet.
.tuesday night...southeast winds 5 to 10 knots. waves 2 feet or
less.
.wednesday...northeast winds 10 knots or less becoming northwest.
waves 1 foot or less.
.thursday...northwest winds 10 knots or less becoming east. waves
1 foot or less.
.friday...northeast winds 5 to 15 knots becoming east. a chance
of showers friday night. waves 1 to 3 feet.
$$
(3/8)
Latest Great Lakes Marine Forecast by KCLE
Issued 4/19/2026 10:52 PM America/New_York.
Valid through 4/20/2026 4:15 AM America/New_York.
fzus61 kcle 200252
glfle
expires:202604200815;;667389
open lake forecast for lake erie
national weather service cleveland oh
1052 pm edt sun apr 19 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 build across lake erie tonight
into monday. another cold front crosses the lake tuesday night
before high pressure returns wednesday and thursday. this high
drifts toward the mid atlantic friday ahead of another cold front
for next weekend.
lez162>164-200815-
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-
the islands to vermilion oh beyond 5 nm off shoreline to us-
canadian border-
1052 pm edt sun apr 19 2026
.rest of tonight...north winds 15 to 20 knots diminishing to
10 to 15 knots. a chance of rain showers, then a slight chance of
rain and snow showers late. waves 2 to 4 feet subsiding to 1 to
3 feet.
.monday...north winds 5 to 15 knots becoming northwest less than
10 knots. a slight chance of snow showers in the morning. waves
2 feet or less.
.monday night...south winds 10 knots or less increasing to 10 to
15 knots. waves 2 feet or less.
.tuesday...south winds 15 to 20 knots becoming southwest 10 to
15 knots. waves 1 to 3 feet.
.tuesday night...southwest winds 10 to 15 knots becoming west. a
chance of showers. waves 1 to 2 feet.
.wednesday...north winds 10 knots or less becoming southeast.
waves 1 foot or less.
.thursday...southeast winds 5 to 15 knots becoming south. waves
2 feet or less.
.friday...south winds 15 to 20 knots becoming northwest 10 to
15 knots. a chance of showers. waves 1 to 3 feet.
$$
(4/8)
Latest Great Lakes Marine Forecast by KCLE
Issued 4/19/2026 10:52 PM America/New_York.
Valid through 4/20/2026 4:15 AM America/New_York.
fzus61 kcle 200252
glfle
expires:202604200815;;667390
open lake forecast for lake erie
national weather service cleveland oh
1052 pm edt sun apr 19 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 build across lake erie tonight
into monday. another cold front crosses the lake tuesday night
before high pressure returns wednesday and thursday. this high
drifts toward the mid atlantic friday ahead of another cold front
for next weekend.
lez165>168-200815-
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-
1052 pm edt sun apr 19 2026
.rest of tonight...north winds 15 to 20 knots diminishing to
10 to 15 knots. rain and snow showers likely late this evening,
then a chance of snow and rain showers after midnight. a slight
chance of snow showers late. waves 2 to 4 feet.
.monday...northwest winds 5 to 15 knots becoming west. a slight
chance of snow showers through early afternoon. waves 1 to
3 feet.
.monday night...southwest winds 10 knots or less becoming south
10 to 15 knots. waves 2 feet or less.
.tuesday...south winds 15 to 20 knots becoming southwest 10 to
15 knots. waves 1 to 3 feet building to 2 to 4 feet, then
subsiding to 1 to 3 feet.
.tuesday night...southwest winds 5 to 10 knots becoming west. a
chance of showers. waves 1 to 3 feet.
.wednesday...northwest winds 10 knots or less becoming southeast.
waves 2 feet or less.
.thursday...southeast winds 10 knots or less increasing to 10 to
15 knots. waves 2 feet or less.
.friday...southeast winds 10 to 15 knots becoming north 15 to
20 knots. a chance of showers during the day, then showers likely
friday night. waves 1 to 3 feet.
$$
(5/8)
Latest Great Lakes Marine Forecast by KCLE
Issued 4/19/2026 10:52 PM America/New_York.
Valid through 4/20/2026 4:15 AM America/New_York.
fzus61 kcle 200252
glfle
expires:202604200815;;667391
open lake forecast for lake erie
national weather service cleveland oh
1052 pm edt sun apr 19 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 build across lake erie tonight
into monday. another cold front crosses the lake tuesday night
before high pressure returns wednesday and thursday. this high
drifts toward the mid atlantic friday ahead of another cold front
for next weekend.
lez061-169-200815-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
1052 pm edt sun apr 19 2026
.rest of tonight...northwest winds 10 to 15 knots. snow and rain
showers likely late this evening, then a chance of snow showers
after midnight. a slight chance of snow showers late. waves 2 to
4 feet.
.monday...northwest winds 5 to 10 knots becoming west. a slight
chance of snow showers through early afternoon. waves 1 to
3 feet.
.monday night...west winds 5 to 10 knots becoming south. waves
2 feet or less.
.tuesday...south winds 10 to 15 knots. waves 2 feet or less.
.tuesday night...south winds 5 to 10 knots becoming southwest.
waves 1 to 2 feet.
.wednesday...northwest winds less than 10 knots. waves 1 foot or
less.
.thursday...light and variable winds becoming southeast 5 to
10 knots. waves 1 foot or less.
.friday...east winds 5 to 10 knots. a chance of showers. waves
1 foot or less.
$$
(6/8)
Latest Great Lakes Marine Forecast by KDTX
Issued 4/20/2026 3:14 AM America/New_York.
Valid through 4/20/2026 11:15 AM America/New_York.
fzus63 kdtx 200714
glfsc
expires:202604201515;;679426
lake st clair forecast
national weather service detroit/pontiac mi
314 am edt mon apr 20 2026
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...high pressure builds in on monday, then gusty south
wind develops tuesday ahead of the next cold front set to pass
through tuesday night. another area of high pressure settles into
the region on wednesday.
lcz460-201515-
lake st clair-
314 am edt mon apr 20 2026
.today...northwest winds 5 to 10 knots until late afternoon becoming
light and variable. sunny. waves 2 feet or less.
.tonight...south winds 5 to 10 knots increasing to 10 to 15 knots in
the late evening and overnight. mostly clear. waves 2 feet or less.
.tuesday...south winds 15 to 20 knots. partly sunny. a chance of
sprinkles until late afternoon. waves 1 to 3 feet.
.tuesday night...southwest winds 10 to 15 knots becoming northwest 5
to 10 knots in the late evening and overnight. partly cloudy. waves
2 feet or less.
.wednesday...north winds 5 to 10 knots in the morning becoming light
and variable...then becoming northeast 5 to 10 knots in the evening.
mostly sunny in the morning becoming clear. waves 2 feet or less.
.thursday...southeast winds 10 to 15 knots. mostly clear. waves 2
feet or less.
.friday...southeast winds 10 to 15 knots. partly cloudy. light
showers likely. waves 1 to 3 feet.
$$
(7/8)
Latest Great Lakes Marine Forecast by KDTX
Issued 4/20/2026 3:14 AM America/New_York.
Valid through 4/20/2026 11:15 AM America/New_York.
fzus63 kdtx 200714
glflh
expires:202604201515;;679393
open lake forecast for lake huron
national weather service detroit/pontiac mi
314 am edt mon apr 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 builds in on monday, then gusty south
wind develops tuesday ahead of the next cold front set to pass
through tuesday night. another area of high pressure settles into
the region on wednesday.
lhz361>363-201515-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
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-
314 am edt mon apr 20 2026
.today...northwest winds 10 to 15 knots becoming west 5 to
10 knots in the late morning and afternoon. waves 3 to 5 feet
subsiding to 1 to 3 feet late in the afternoon.
.tonight...southeast winds 10 to 15 knots becoming south 15 to
20 knots in the late evening and overnight. waves 1 to 3 feet
building to 5 to 7 feet. waves occasionally around 10 feet.
.tuesday...south winds 15 to 20 knots decreasing to 10 to
15 knots in the late morning and early afternoon...then veering
to the south 10 to 15 knots early in the afternoon. waves 6 to
9 feet. waves occasionally around 12 feet.
.tuesday night...northeast winds 5 to 10 knots. waves 3 to 5 feet
subsiding to 1 to 3 feet after midnight.
.wednesday...north winds 5 to 10 knots becoming light and
variable...then becoming east 5 to 10 knots late in the evening.
waves 2 feet or less.
.thursday...southeast winds 5 to 10 knots becoming east 15 to
20 knots. waves 2 to 4 feet building to 5 to 7 feet . waves
occasionally around 10 feet.
.friday...east winds 15 to 20 knots decreasing to 10 to 15 knots
early in the evening...then increasing to 15 to 20 knots by
midnight. a chance of showers . waves 6 to 9 feet. waves
occasionally around 12 feet.
$$
(8/8)
Latest Great Lakes Marine Forecast by KDTX
Issued 4/20/2026 3:14 AM America/New_York.
Valid through 4/20/2026 11:15 AM America/New_York.
fzus63 kdtx 200714
glflh
expires:202604201515;;679394
open lake forecast for lake huron
national weather service detroit/pontiac mi
314 am edt mon apr 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 builds in on monday, then gusty south
wind develops tuesday ahead of the next cold front set to pass
through tuesday night. another area of high pressure settles into
the region on wednesday.
lhz462>464-201515-
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-
314 am edt mon apr 20 2026
.today...northwest winds 10 to 15 knots decreasing to 5 to
10 knots early in the afternoon...then veering to the northwest
5 to 10 knots late in the afternoon. waves 4 to 6 feet subsiding
to 2 to 4 feet late in the afternoon. waves occasionally around
8 feet.
.tonight...southeast winds 5 to 10 knots becoming south 15 to
20 knots. waves 1 to 3 feet building to 3 to 5 feet after
midnight.
.tuesday...south winds 15 to 20 knots decreasing to 10 to
15 knots early in the afternoon. sprinkles in the morning. waves
5 to 7 feet. waves occasionally around 10 feet.
.tuesday night...south winds 5 to 10 knots backing to the north
in the late evening and overnight. waves 2 to 4 feet subsiding to
1 to 3 feet in the late evening and overnight.
.wednesday...north winds 5 to 10 knots becoming light and
variable. waves 2 feet or less.
.thursday...southeast winds 5 to 10 knots increasing to 10 to
15 knots . waves 1 to 3 feet building to 2 to 4 feet by midnight.
.friday...southeast winds 15 to 20 knots decreasing to 10 to
15 knots . a chance of showers . waves 3 to 5 feet.
$$
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