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Latest Great Lakes Marine Forecast by KBUF
Issued 9/3/2026 10:02 AM America/New_York.
Valid through 9/3/2026 5:00 PM America/New_York.
fzus61 kbuf 031402
glflo
expires:202609032100;;834464
open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt thu sep 3 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 weak trough averaging 29.9 inches lingers over lake ontario
through tonight. on friday through monday, a ridge averaging 30.1
inches should affect the lake as the embedded high pressure center
moves from northern ontario toward the mid-atlantic states. this
ridge should then exit generally southward monday night through
tuesday and allow a cold front to drift southward across lake
ontario.
loz062-032100-
lake ontario open waters from the niagara river to hamlin beach-
1002 am edt thu sep 3 2026
.this afternoon...west winds 10 knots or less becoming southwest.
waves 1 foot or less.
.tonight...west winds 10 knots or less becoming northwest. waves
1 foot or less.
.friday...northwest winds less than 10 knots. waves 1 foot or
less.
.friday night...west winds 5 to 10 knots becoming north. waves
1 foot or less.
.saturday...north winds 10 knots or less becoming northeast.
waves 1 foot or less.
.sunday...northeast winds around 10 knots becoming light and
variable. waves 2 feet or less.
.monday...light and variable winds becoming east 5 to 10 knots.
waves 1 foot or less.
$$
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Latest Great Lakes Marine Forecast by KBUF
Issued 9/3/2026 10:02 AM America/New_York.
Valid through 9/3/2026 5:00 PM America/New_York.
fzus61 kbuf 031402
glflo
expires:202609032100;;834465
open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt thu sep 3 2026
for waters beyond five nautical miles of shore on lake ontario
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...
a weak trough averaging 29.9 inches lingers over lake ontario
through tonight. on friday through monday, a ridge averaging 30.1
inches should affect the lake as the embedded high pressure center
moves from northern ontario toward the mid-atlantic states. this
ridge should then exit generally southward monday night through
tuesday and allow a cold front to drift southward across lake
ontario.
loz063>065-032100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 am edt thu sep 3 2026
.this afternoon...west winds 5 to 10 knots. waves 2 feet or less.
.tonight...west winds 5 to 10 knots becoming northwest. waves
1 foot or less.
.friday...northwest winds 10 knots or less becoming west. waves
1 foot or less.
.friday night...west winds 5 to 10 knots becoming north. waves
2 feet or less.
.saturday...north winds 5 to 15 knots becoming northeast. waves
2 feet or less.
.sunday...northeast winds 10 knots or less. waves 2 feet or less.
.monday...west winds 10 knots or less becoming southeast. waves
1 foot or less.
$$
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Latest Great Lakes Marine Forecast by KCLE
Issued 9/3/2026 10:14 AM America/New_York.
Valid through 9/3/2026 4:15 PM America/New_York.
fzus61 kcle 031414
glfle
expires:202609032015;;835147
open lake forecast for lake erie
national weather service cleveland oh
1014 am edt thu sep 3 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 oscillate along lake erie through
tonight with pressure averaging 29.90 inches before being pushed
south as a cold front friday. a ridge averaging 30.00 inches will
build from the north through the weekend into early next week.
lez061-168-169-032015-
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-
1014 am edt thu sep 3 2026
.rest of today...southwest winds 5 to 10 knots becoming west. a
slight chance of showers and thunderstorms early this afternoon.
a chance of showers and thunderstorms late. waves 1 to 2 feet.
.tonight...west winds 10 knots or less. showers and thunderstorms
likely in the evening, then showers likely with a chance of
thunderstorms after midnight. waves 1 foot or less.
.friday...west winds 10 knots or less becoming north. showers
likely. waves 1 foot or less.
.friday night...north winds 10 knots or less becoming northeast.
waves 1 foot or less.
.saturday...northeast winds 5 to 10 knots becoming east. waves
2 feet or less.
.sunday...northeast winds 5 to 15 knots becoming east. waves
2 feet or less.
.monday...east winds 10 knots or less becoming southeast. waves
1 foot or less.
winds and waves higher in and near thunderstorms.
$$
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