Great Lakes Forecast
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798
FZUS61 KBUF 220835
GLFLO

GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
430 AM EDT Wed May 22 2019

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 over the Lake this early morning will
slide over New England through this afternoon. An initial 29.7 inch
low will then track from Minnesota to Maine tonight through Thursday
night, with this system pushing its warm front across the lake
Thursday, followed by its trailing cold front Thursday night. A 30.2
inch high will then build across the Lower Lakes on Friday, before
another 29.7 inch low tracks across southern Canada and swings its
trailing cold front across the lake on Saturday.

LOZ062-221500-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
430 AM EDT Wed May 22 2019

.TODAY...West winds 10 knots or less becoming east and increasing
to 15 to 20 knots this morning. Waves 1 to 3 feet.
.TONIGHT...East winds 15 to 20 knots diminishing to 5 to
15 knots. A chance of showers through the early overnight. Waves
2 to 4 feet subsiding to 1 to 2 feet.
.THURSDAY...Southeast winds 5 to 15 knots becoming southwest
15 to 20 knots. A chance of showers and thunderstorms. Waves 1 to
3 feet.
.THURSDAY NIGHT...West winds 15 to 20 knots becoming northwest. A
chance of showers and thunderstorms in the evening. Waves 2 to
4 feet.
.FRIDAY...Northwest winds 5 to 15 knots becoming south. A chance
of showers and thunderstorms Friday night. Waves 2 to 4 feet
subsiding to 2 feet or less.
.SATURDAY...South winds 10 to 15 knots becoming west. Showers
likely with a chance of thunderstorms during the day, then a
chance of showers and thunderstorms Saturday night. Waves 1 to
3 feet.
.SUNDAY...West winds 5 to 10 knots becoming northwest. Waves 1 to
2 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-221500-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
430 AM EDT Wed May 22 2019

.TODAY...Northwest winds less than 10 knots becoming east 10 to
15 knots. Waves 2 feet or less.
.TONIGHT...East winds 5 to 15 knots becoming southeast. A chance
of showers through the early overnight. Waves 1 to 3 feet.
.THURSDAY...Southeast winds 5 to 15 knots becoming southwest
15 to 20 knots. A chance of showers and thunderstorms in the
morning, then showers and thunderstorms likely in the afternoon.
Some thunderstorms may produce gusty winds in the afternoon.
Waves 1 to 3 feet.
.THURSDAY NIGHT...West winds 15 to 20 knots. Showers and
thunderstorms likely in the evening, then a chance of showers
overnight. Some thunderstorms may produce gusty winds in the
evening. Waves 2 to 4 feet building to 3 to 5 feet.
.FRIDAY...Northwest winds 15 to 20 knots becoming south 5 to
15 knots. A chance of showers and thunderstorms Friday night.
Waves 2 to 4 feet subsiding to 1 foot or less.
.SATURDAY...South winds 10 to 15 knots becoming west. Showers
likely with a chance of thunderstorms during the day, then a
chance of showers and thunderstorms Saturday night. Waves 1 to
3 feet.
.SUNDAY...West winds 5 to 15 knots. Waves 1 to 3 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-221500-
MAFOR 2209/
ONTARIO WEST 1/2 11500 11200 12210 11220 11210 12200. A chance of
showers this evening. Waves 1 to 3 feet today. Waves 2 to 4 feet
subsiding to 1 to 3 feet tonight.

ONTARIO EAST 1/2 11800 12200 11100 12210 11300 11310. A chance of
showers tonight. Waves 2 feet or less.

$$



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