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Latest Great Lakes Marine Forecast by KBUF
Issued 9/9/2026 10:01 PM America/New_York.
Valid through 9/10/2026 5:00 AM America/New_York.
fzus61 kbuf 100201
glflo
expires:202609100900;;663487
open lake forecast for lake ontario
national weather service buffalo ny
1001 pm edt wed sep 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 cold front sweeps eastward across lake ontario late
this evening through early thursday morning. behind the front, a
high pressure ridge averaging 30.0 inches builds from the western
great lakes through friday and then exits toward new england on
saturday. a warm front should sweep northeastward across lake
ontario saturday night and be followed by a cold front sweeping
eastward across the lake later on sunday. behind the cold front, a
30.1 inch ridge should slide eastward across the lake through monday.
loz062-100900-
lake ontario open waters from the niagara river to hamlin beach-
1001 pm edt wed sep 9 2026
.overnight...southwest winds 15 to 20 knots becoming west.
waves 3 to 5 feet subsiding to 2 to 4 feet.
.thursday...west winds 10 to 15 knots. waves 2 to 4 feet.
.thursday night...northwest winds 15 to 20 knots diminishing to
10 to 15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet.
.friday...northwest winds 10 knots or less becoming southwest.
waves 2 feet or less.
.friday night...southwest winds 10 knots or less becoming south.
waves 1 foot or less.
.saturday...south winds 10 knots or less becoming southwest.
waves 1 foot or less.
.sunday...west winds 5 to 15 knots becoming northwest. waves
1 foot or less.
.monday...north winds 5 to 15 knots becoming south. waves 1 to
3 feet.
$$
(2/3)
Latest Great Lakes Marine Forecast by KBUF
Issued 9/9/2026 10:01 PM America/New_York.
Valid through 9/10/2026 5:00 AM America/New_York.
fzus61 kbuf 100201
glflo
expires:202609100900;;663488
open lake forecast for lake ontario
national weather service buffalo ny
1001 pm edt wed sep 9 2026
for waters beyond five nautical miles of shore on lake ontario
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...a cold front sweeps eastward across lake ontario late
this evening through early thursday morning. behind the front, a
high pressure ridge averaging 30.0 inches builds from the western
great lakes through friday and then exits toward new england on
saturday. a warm front should sweep northeastward across lake
ontario saturday night and be followed by a cold front sweeping
eastward across the lake later on sunday. behind the cold front, a
30.1 inch ridge should slide eastward across the lake through monday.
loz063>065-100900-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1001 pm edt wed sep 9 2026
.overnight...southwest winds 15 to 20 knots becoming west.
a chance of showers. waves 3 to 5 feet.
.thursday...west winds 15 to 20 knots. waves 3 to 6 feet.
.thursday night...northwest winds 15 to 20 knots diminishing to
5 to 15 knots. waves 3 to 6 feet subsiding to 2 to 4 feet.
.friday...northwest winds 10 knots or less becoming west. waves
2 feet or less.
.friday night...west winds 5 to 10 knots becoming south. waves
1 foot or less.
.saturday...south winds 10 to 15 knots increasing to 15 to
20 knots. waves 1 to 3 feet.
.sunday...southwest winds 10 to 15 knots becoming northwest.
waves 1 to 3 feet.
.monday...north winds 5 to 10 knots becoming south and increasing
to 15 to 20 knots. waves 1 to 3 feet.
$$
(3/3)
Latest Great Lakes Marine Forecast by KCLE
Issued 9/9/2026 9:55 PM America/New_York.
Valid through 9/10/2026 4:15 AM America/New_York.
fzus61 kcle 100155
glfle
expires:202609100815;;663372
open lake forecast for lake erie
national weather service cleveland oh
955 pm edt wed sep 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 cold front will move across the lake tonight. this front will
stall south of the lake thursday morning before moving south in
the afternoon. high pressure 30.10 inches builds in thursday night
into friday, weakening to 30.00 inches for saturday as an active
frontal boundary sets up over the southern great lakes.
lez061-168-169-100815-
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-
955 pm edt wed sep 9 2026
.rest of tonight...west winds 15 to 20 knots. a slight chance of
showers and thunderstorms late this evening. waves 3 to 5 feet.
.thursday...northwest winds 5 to 15 knots becoming west. waves
1 to 3 feet.
.thursday night...northwest winds 5 to 10 knots becoming
northeast. waves 2 feet or less.
.friday...north winds 10 knots or less becoming east. waves
1 foot or less.
.friday night...southeast winds 10 knots or less. waves 1 foot or
less.
.saturday...south winds 5 to 10 knots. waves 2 feet or less.
.sunday...southwest winds 5 to 10 knots becoming northeast. waves
1 to 2 feet.
.monday...northeast winds 5 to 15 knots becoming south 15 to
20 knots. waves 1 to 3 feet.
winds and waves higher in and near thunderstorms.
$$
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