Great Lakes Forecast
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138
FZUS61 KBUF 201454
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1054 AM EDT Fri Sep 20 2024

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 30.3 high will settle across the Gulf of Saint
Lawrence today with weak ridging extending back toward the lower
Great Lakes. A weakening 29.8 inch trough will then slowly drift
across Lake Ontario Saturday, with weak high pressure averaging
30.0 inches then lingering across the lake on Sunday. A low will
then deepen to 29.5 inches over southwest Hudson Bay later Sunday
through Monday. An associated cold front trailing this low will
move into the lower Great Lakes Monday, and then stall over the
region through the middle of next week.

LOZ062-202115-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1054 AM EDT Fri Sep 20 2024

.THIS AFTERNOON...East winds 5 to 10 knots. Waves 2 feet or less.
.TONIGHT...East winds 10 to 15 knots becoming southeast. Waves
1 to 2 feet.
.SATURDAY...Southeast winds 5 to 10 knots becoming east. A chance
of showers in the morning, then showers likely with a chance of
thunderstorms in the afternoon. Waves 1 to 2 feet.
.SATURDAY NIGHT...East winds 10 to 15 knots. Showers likely with
a chance of evening thunderstorms. Waves 1 to 2 feet.
.SUNDAY...East winds 10 to 15 knots becoming southeast. A chance
of showers Sunday night. Waves 1 to 3 feet.
.MONDAY...Southeast winds 10 to 15 knots. A chance of showers
during the day, then showers likely Monday night. Waves 1 to
3 feet.
.TUESDAY...Southeast winds 10 to 15 knots. Showers likely. Waves
1 to 3 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-202115-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1054 AM EDT Fri Sep 20 2024

.THIS AFTERNOON...East winds 5 to 10 knots becoming northeast.
Waves 1 foot or less.
.TONIGHT...East winds 10 to 15 knots becoming southeast 15 to
20 knots. Waves 1 to 3 feet.
.SATURDAY...Southeast winds 15 to 20 knots becoming east 10 to
15 knots. Showers likely with a chance of thunderstorms in the
afternoon. Waves 1 to 3 feet.
.SATURDAY NIGHT...East winds 10 to 15 knots becoming southeast.
Showers likely with a chance of evening thunderstorms. Waves 2
feet or less.
.SUNDAY...Southeast winds increasing to 15 to 20 knots. Waves
building to 2 to 4 feet.
.MONDAY...Southeast winds 15 to 20 knots. A chance of showers.
Waves 2 to 4 feet.
.TUESDAY...Southeast winds 15 to 20 knots. A chance of showers
during the day, then showers likely Tuesday night. Waves 2 to
4 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-202115-
MAFOR 2015/
ONTARIO WEST 1/2 12200 13210 13310. A chance of showers Saturday
morning. Waves 2 feet or less.

ONTARIO EAST 1/2 11200 12100 11200 12310 12320. Waves 1 foot or
less this afternoon. Waves 1 to 3 feet tonight and Saturday
morning.

$$