Great Lakes Forecast
Issued by NWS

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512
FZUS61 KBUF 032336
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
736 PM 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 30.2 inch high will settle along the New England coast
by this evening. Meanwhile, a 29.6 inch low across the southcentral
Canadian Prairies will move north into far northwestern Ontario
Province by this evening. This same low will continue to slowly
deepen to 29.5 inches as it drifts further north tonight, settling
over southern Hudson Bay on Saturday. A slow moving cold front
extending southeastward from the low will approach the Lake
tonight, before stalling to the west of the Lake Saturday. A
stronger second cold front will then move across the Lake Sunday.
A 30.2 inch ridge of high pressure will then build in across the
Lake Monday into Tuesday.

LOZ062-040315-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
736 PM EDT Fri May 3 2024

.TONIGHT...Northeast winds 5 to 15 knots becoming east less than
10 knots. Showers. Waves 1 to 3 feet.
.SATURDAY...East winds 5 to 15 knots. A chance of showers in the
morning. Waves 1 to 3 feet.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. A chance of
showers. Waves 1 to 3 feet.
.SUNDAY...Southeast winds 5 to 15 knots becoming south. Showers
likely. Waves 1 to 3 feet subsiding to 1 foot or less.
.SUNDAY NIGHT...Southwest winds 10 knots or less becoming
northwest. A chance of showers in the evening. Waves 1 foot or
less.
.MONDAY...West winds 5 to 10 knots becoming northeast. Waves
1 foot or less.
.TUESDAY...Northeast winds 5 to 15 knots becoming east. Showers
likely Tuesday night. Waves 1 to 2 feet.
.WEDNESDAY...East winds around 10 knots becoming southeast.
Showers likely during the day, then a chance of showers Wednesday
night. Waves 1 to 2 feet.

$$

LOZ063>065-040315-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
736 PM EDT Fri May 3 2024

.TONIGHT...East winds 10 to 15 knots becoming southeast. Showers
likely. Waves 1 to 3 feet.
.SATURDAY...Southeast winds 10 to 15 knots. A chance of showers
in the morning. Waves 1 to 3 feet.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots increasing to
15 to 20 knots. A chance of showers overnight. Waves 1 to 3 feet
building to 2 to 4 feet.
.SUNDAY...Southeast winds 15 to 20 knots becoming south 10 to
15 knots. Showers likely. Waves 2 to 4 feet subsiding to 1 to
3 feet.
.SUNDAY NIGHT...South winds 5 to 15 knots becoming southwest.
Showers likely in the evening, then a chance of showers
overnight. Waves 1 to 3 feet subsiding to 1 foot or less.
.MONDAY...West winds 5 to 10 knots. Waves 1 foot or less.
.TUESDAY...Northeast winds 5 to 10 knots becoming east. A chance
of showers Tuesday night. Waves 2 feet or less.
.WEDNESDAY...Southeast winds around 10 knots becoming south. A
chance of showers. Waves 1 to 2 feet.

$$

LOZ061-040315-
MAFOR 0321/
ONTARIO WEST 1/2 12116 11216 11200 14210. Waves 1 to 3 feet.

ONTARIO EAST 1/2 11110 12210 14310 11310. A chance of showers
tonight and Saturday morning. Waves 1 to 3 feet.

$$

AR