Great Lakes Forecast
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815
FZUS61 KBUF 030820
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
420 AM EDT Fri May 3 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 over the lake will continue to
slide east into New England this morning. Meanwhile, a 29.7 inch
low will develop across the northern Plains and strengthen to 29.6
inches as it moves into northern Ontario today. A warm front
extends southeastward from this low towards the lake, crossing
the lake today. The same low will continue to slowly deepen to
29.5 inches as it moves further north tonight, settling over
southern Hudson Bay Saturday. A slow moving cold front extending
southeastward from the low will stall to the west of the lake
Saturday, followed by another cold front Sunday. A 30.2 inch
ridge of high pressure will then build across the lake Monday into
Tuesday.

LOZ062-031530-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
420 AM EDT Fri May 3 2024

.TODAY...East winds 10 to 15 knots. Waves 1 to 3 feet.
.TONIGHT...East winds 5 to 15 knots diminishing to less than
10 knots. A chance of showers in the evening, then showers likely
with a chance of thunderstorms after midnight. Waves 1 to 3 feet.
.SATURDAY...East winds 5 to 15 knots increasing to 15 to
20 knots. Showers likely with a chance of thunderstorms in the
morning, then a chance of showers in the afternoon. Waves 1 to
3 feet.
.SATURDAY NIGHT...East winds 15 to 20 knots becoming southeast
10 to 15 knots. A chance of showers. Waves 2 to 4 feet subsiding
to 1 to 3 feet.
.SUNDAY...Southeast winds 5 to 15 knots becoming northwest.
Showers likely during the day, then a chance of showers Sunday
night. Waves 2 feet or less.
.MONDAY...West winds 5 to 10 knots becoming northeast. Waves 1 to
2 feet.
.TUESDAY...East winds 10 to 15 knots. Showers likely Tuesday
night. Waves 1 to 2 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-031530-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
420 AM EDT Fri May 3 2024

.TODAY...East winds 5 to 15 knots becoming northeast. Waves 1 to
3 feet.
.TONIGHT...East winds 10 to 15 knots becoming southeast. A chance
of showers. Showers likely with a chance of thunderstorms late.
Waves 1 to 3 feet.
.SATURDAY...Southeast winds 10 to 15 knots increasing to 15 to
20 knots. Showers likely with a chance of thunderstorms in the
morning, then a chance of showers in the afternoon. Waves 1 to
3 feet.
.SATURDAY NIGHT...Southeast winds 15 to 20 knots. A chance of
showers. Waves 2 to 4 feet.
.SUNDAY...Southeast winds 15 to 20 knots becoming west 10 to
15 knots. Showers likely. Waves 3 to 5 feet subsiding to 1 to
3 feet.
.MONDAY...West winds 5 to 10 knots becoming southwest. Waves 1 to
2 feet.
.TUESDAY...East winds 5 to 10 knots. A chance of showers Tuesday
night. Waves 2 feet or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-031530-
MAFOR 0309/
ONTARIO WEST 1/2 15210 11200 11206. A chance of thunderstorms
overnight. Waves 1 to 3 feet.

ONTARIO EAST 1/2 11200 12210 12110 11210 12310. A chance of
showers overnight. Waves 1 to 3 feet.

$$

EAJ