237
FZUS61 KBUF 211431
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1031 AM EDT Tue May 21 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...High pressure along the coast will remain stationary
this afternoon then drift out to sea tonight. A 29.3 inch low near
Lake Superior Wednesday morning will push a cold front across the
lake Wednesday night into Thursday. A 30.0 inch high over the
Upper Mississippi valley on Thursday will build across the Great
Lakes region on Friday. High pressure will continue to nose
southwards across the lake on Saturday.

LOZ062-212130-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1031 AM EDT Tue May 21 2024

.THIS AFTERNOON...Southeast winds 5 to 15 knots becoming
southwest. Waves 2 feet or less.
.TONIGHT...West winds 5 to 15 knots becoming south less than
10 knots. Waves 2 feet or less.
.WEDNESDAY...South winds 10 knots or less becoming southwest
10 to 15 knots. A chance of showers and thunderstorms in the
afternoon. Waves 1 to 3 feet building to 2 to 4 feet.
.WEDNESDAY NIGHT...Southwest winds 15 to 20 knots becoming west
10 to 15 knots. A chance of showers and thunderstorms in the
evening, then a chance of showers overnight. Waves 2 to 4 feet.
.THURSDAY...Southwest winds 5 to 10 knots. A chance of showers
during the day. Waves 1 to 3 feet.
.FRIDAY...West winds 5 to 10 knots becoming northeast. Waves 1 to
2 feet.
.SATURDAY...East winds 5 to 10 knots becoming southeast. A chance
of showers. Waves 1 to 2 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-212130-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1031 AM EDT Tue May 21 2024

.THIS AFTERNOON...Southeast winds 5 to 15 knots becoming south.
Waves 1 foot or less.
.TONIGHT...Southwest winds 5 to 15 knots. Waves 2 feet or less.
.WEDNESDAY...South winds 10 knots or less. A chance of showers
and thunderstorms in the afternoon. Waves 2 feet or less.
.WEDNESDAY NIGHT...Southwest winds 10 to 15 knots. Showers likely
with a chance of thunderstorms. Waves 1 to 3 feet.
.THURSDAY...West winds 5 to 10 knots becoming southwest. A chance
of showers during the day. Waves 1 to 3 feet.
.FRIDAY...Southwest winds 5 to 15 knots becoming north. Waves
2 feet or less.
.SATURDAY...Northeast winds 5 to 10 knots becoming southeast. A
chance of showers. Waves 1 foot or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-212130-
MAFOR 2115/
ONTARIO WEST 1/2 11400 11410 11610 11600 12500 11400 11300. Waves
2 feet or less.

ONTARIO EAST 1/2 11300 11400 11410 13500 12400. Waves 1 foot or
less.

$$