988
FZUS61 KBUF 212015
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
415 PM 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 will drift eastward off the New England
coast 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. A
29.5 inch low near Lake Superior Saturday will weaken as it tracks
into Southern Quebec on Sunday.

LOZ062-220315-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
415 PM EDT Tue May 21 2024

.TONIGHT...Southwest winds 10 knots or less becoming southeast.
Waves 2 feet or less.
.WEDNESDAY...Southeast winds 5 to 10 knots becoming southwest and
increasing to 15 to 20 knots. A chance of showers and
thunderstorms in the afternoon. Waves 1 foot or less building to
1 to 3 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 1 to 3 feet.
.THURSDAY...West winds 5 to 10 knots becoming southwest. A chance
of showers in the morning. Waves 1 to 2 feet.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Waves 1 foot or
less.
.FRIDAY...Southwest winds 10 knots or less becoming northeast.
Waves 1 foot or less.
.SATURDAY...East winds 10 knots or less becoming southwest. A
chance of showers and thunderstorms. Waves 1 foot or less.
.SUNDAY...Southwest winds 10 knots or less becoming east. A
chance of showers Sunday night. Waves 1 foot or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-220315-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
415 PM EDT Tue May 21 2024

.TONIGHT...South winds 5 to 10 knots. A chance of showers and
thunderstorms early. Waves 1 foot or less.
.WEDNESDAY...South winds 5 to 10 knots. Showers with a chance of
thunderstorms in the afternoon. Some thunderstorms may produce
gusty winds in the afternoon. Waves 1 foot or less.
.WEDNESDAY NIGHT...South winds 5 to 10 knots becoming southwest.
Showers likely with a chance of thunderstorms in the evening,
then a chance of showers and thunderstorms overnight. Some
thunderstorms may produce gusty winds in the evening. Waves
2 feet or less.
.THURSDAY...West winds 5 to 10 knots becoming southwest. A chance
of showers in the morning. Waves 1 to 2 feet.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Waves 2 feet or
less.
.FRIDAY...Southwest winds 5 to 10 knots becoming northeast. Waves
2 feet or less.
.SATURDAY...East winds 10 knots or less becoming southwest. A
chance of showers and thunderstorms. Waves 1 foot or less.
.SUNDAY...Southwest winds 5 to 10 knots becoming southeast. A
chance of showers Sunday night. Waves 1 foot or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-220315-
MAFOR 2121/
ONTARIO WEST 1/2 13500 11400 11300 11400 11410 11516. A chance of
thunderstorms Wednesday afternoon. Waves 2 feet or less tonight.
Waves 1 foot or less building to 1 to 3 feet Wednesday.

ONTARIO EAST 1/2 15400 11400 11406. A chance of thunderstorms
early this evening and Wednesday afternoon. Waves 1 foot or less.

$$