592
FZUS61 KBUF 220229
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1029 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 overnight. 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.

LOZ062-220915-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1029 PM EDT Tue May 21 2024

.OVERNIGHT...Southwest winds 10 knots or less becoming
south. Waves 1 foot or less.
.WEDNESDAY...South winds 5 to 15 knots becoming southwest.
Showers and thunderstorms in the afternoon. Some thunderstorms
may produce gusty winds in the afternoon. Waves 1 foot or less
building to 1 to 3 feet.
.WEDNESDAY NIGHT...Southwest winds 10 to 15 knots becoming west.
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>065-220915-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1029 PM EDT Tue May 21 2024

.OVERNIGHT...South winds 5 to 10 knots. Waves 1 foot or
less.
.WEDNESDAY...South winds 5 to 10 knots becoming southwest. A
chance of showers and thunderstorms early in the afternoon.
Showers and thunderstorms late. Some thunderstorms may produce
gusty winds late. Waves 1 foot or less.
.WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Showers and
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.

$$

LOZ061-220915-
MAFOR 2203/
ONTARIO WEST 1/2 11500 11400 11300 11400 11510 12519 11510. Waves
1 foot or less overnight. Waves 1 foot or less building to 1 to 3
feet Wednesday and Wednesday evening.

ONTARIO EAST 1/2 14400 11400 11409 11509 11400. Waves 2 feet or
less.

$$