730
FZUS61 KBUF 122020
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
420 PM EDT Sun May 12 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 30.1 inch high will move from the Ohio Valley this
evening to the Mid Atlantic by early Monday. A wavy cold frontal
boundary over Lower Michigan on Monday will slowly work across the
Lake on Tuesday into Tuesday night. A 30.0 inch high centered
over western Ontario on Wednesday will settle across the Lower
Great Lakes Wednesday night and Thursday.

LOZ062-130315-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
420 PM EDT Sun May 12 2024

.TONIGHT...Southwest winds 5 to 10 knots becoming south. A chance
of showers late. Waves 1 foot or less.
.MONDAY...South winds 5 to 15 knots becoming southwest. Showers
likely in the morning, then a chance of showers and thunderstorms
early in the afternoon. Showers likely with a chance of
thunderstorms late. Waves 1 to 3 feet.
.MONDAY NIGHT...South winds 5 to 10 knots becoming southwest.
Showers likely with a chance of thunderstorms in the evening,
then showers likely overnight. Waves 2 feet or less.
.TUESDAY...Southwest winds 10 knots or less becoming east.
Showers likely in the morning, then showers with a chance of
thunderstorms in the afternoon. Waves 1 foot or less.
.TUESDAY NIGHT...Northeast winds 5 to 10 knots. Showers with a
chance of thunderstorms in the evening, then a chance of showers
overnight. Waves 2 feet or less.
.WEDNESDAY...Northeast winds 5 to 15 knots. A chance of showers
during the day. Waves 1 to 2 feet.
.THURSDAY...Northeast winds 5 to 10 knots becoming east. Waves
1 to 2 feet.
.FRIDAY...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>065-130315-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
420 PM EDT Sun May 12 2024

.TONIGHT...Southwest winds 10 knots or less becoming south. Waves
1 foot or less.
.MONDAY...South winds 5 to 15 knots becoming southwest. A chance
of showers early, then showers likely late in the morning.
Showers likely with a chance of thunderstorms in the afternoon.
Waves 1 to 3 feet.
.MONDAY NIGHT...South winds 5 to 15 knots. Showers likely with a
chance of thunderstorms in the evening, then showers likely
overnight. Waves 2 feet or less.
.TUESDAY...South winds 5 to 15 knots becoming southeast less than
10 knots. Showers likely in the morning, then showers with a
chance of thunderstorms in the afternoon. Waves 2 feet or less.
.TUESDAY NIGHT...Southeast winds 10 knots or less becoming
northeast. Showers with a chance of thunderstorms in the evening,
then a chance of showers overnight. Waves 2 feet or less.
.WEDNESDAY...Northeast winds 10 to 15 knots. A chance of showers.
Waves 2 feet or less.
.THURSDAY...Northeast winds 5 to 10 knots becoming southeast.
Waves 2 feet or less.
.FRIDAY...Southeast winds 10 to 15 knots. A chance of showers.
Waves 2 feet or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-130315-
MAFOR 1221/
ONTARIO WEST 1/2 11500 13400 11410 11516 12510. A chance of
thunderstorms Monday afternoon. Waves 1 foot or less tonight.
Waves 1 to 3 feet Monday.

ONTARIO EAST 1/2 11600 11500 12400 11410 12416 11410. A chance of
thunderstorms Monday afternoon. Waves 1 foot or less tonight.
Waves 1 to 3 feet Monday.

$$