405
FZUS61 KBUF 201937
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
337 PM 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 remain across the Gulf of Saint
Lawrence tonight. 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.

LOZ062-210315-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
337 PM EDT Fri Sep 20 2024

.TONIGHT...East winds 5 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 2 feet or less.
.SATURDAY NIGHT...East winds 5 to 10 knots. Showers likely with a
chance of thunderstorms in the evening, then a chance of showers
overnight. Waves 1 to 2 feet.
.SUNDAY...East winds 5 to 15 knots. Waves 1 to 2 feet.
.SUNDAY NIGHT...East winds 10 to 15 knots becoming southeast. A
chance of showers overnight. Waves 1 to 2 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 becoming south. Showers
likely. Waves 1 to 3 feet.
.WEDNESDAY...South winds 5 to 15 knots becoming southwest.
Showers likely during the day, then a chance of showers Wednesday
night. Waves 1 to 2 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-210315-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
337 PM EDT Fri Sep 20 2024

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

Winds and waves higher in and near thunderstorms.

$$

LOZ061-210315-
MAFOR 2021/
ONTARIO WEST 1/2 13210 14310 11206. A chance of thunderstorms
Saturday afternoon. Waves 1 to 3 feet.

ONTARIO EAST 1/2 11100 11200 14310 11310 11300. A chance of
showers Saturday afternoon. Waves 1 to 3 feet.

$$