635
FZUS61 KBUF 021741
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
141 PM EDT Thu May 2 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 settle across the Lake through
this evening, before sliding east into New England overnight.
Meanwhile, a 29.7 inch low will develop across the northern
Plains, then slowly strengthen to 29.6 inches as it moves into
northern Ontario on Friday. A warm front will extend southeastward
from this low towards the Lake tonight, before crossing the Lake
on Friday. The same low will continue to slowly deepen to 29.5
inches as it moves further north Friday night, settling over
southern Hudson Bay on Saturday. A slow moving cold front
extending southeastward from the low will cross the Lake on
Saturday, followed by another cold front on Sunday. A 30.2 inch
ridge of high pressure will then build across the Lake for Monday
into Tuesday.

LOZ062-022130-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
141 PM EDT Thu May 2 2024

.THIS AFTERNOON...Southwest winds 15 to 20 knots diminishing to
10 to 15 knots. Waves 1 to 3 feet.
.TONIGHT...Southwest winds 10 knots or less becoming east. Waves
2 feet or less.
.FRIDAY...East winds 10 to 15 knots. A chance of showers in the
afternoon. Waves 2 feet or less building to 3 to 5 feet.
.FRIDAY NIGHT...East winds 5 to 15 knots. Showers likely with a
chance of thunderstorms in the evening, then showers likely
overnight. Waves 3 to 5 feet subsiding to 2 to 3 feet.
.SATURDAY...East winds 10 to 15 knots becoming southeast. Showers
likely. Waves 1 to 3 feet.
.SUNDAY...Southeast winds 5 to 15 knots becoming west. Showers
likely during the day, then a chance of showers Sunday night.
Waves 1 to 2 feet.
.MONDAY...West winds 5 to 10 knots becoming northeast. Waves
2 feet or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-022130-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
141 PM EDT Thu May 2 2024

.THIS AFTERNOON...West winds 15 to 20 knots. Waves 2 to 4 feet.
.TONIGHT...West winds 10 knots or less becoming southeast. Waves
1 to 3 feet subsiding to 1 foot or less.
.FRIDAY...East winds 5 to 15 knots becoming northeast. Waves
1 foot or less building to 1 to 3 feet.
.FRIDAY NIGHT...Northeast winds 10 to 15 knots becoming
southeast. Showers likely with a chance of thunderstorms in the
evening, then showers likely overnight. Waves 1 to 3 feet.
.SATURDAY...Southeast winds 10 to 15 knots increasing to 15 to
20 knots. Showers likely. Waves 1 to 3 feet building to 3 to
5 feet.
.SUNDAY...Southeast winds 15 to 20 knots becoming west 10 to
15 knots. Showers likely during the day, then a chance of showers
Sunday night. Waves 3 to 5 feet subsiding to 1 to 3 feet.
.MONDAY...West winds 5 to 10 knots becoming southwest. Waves
2 feet or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-022130-
MAFOR 0215/
ONTARIO WEST 1/2 12510 11500 11400 11300 11200 12210. Waves 1 to
3 feet this afternoon. Waves 2 feet or less tonight. Waves 1 to 3
feet Friday morning.

ONTARIO EAST 1/2 12620 11600 11500 12300 11200 11210. Waves 2 to
4 feet this afternoon. Waves 1 to 3 feet subsiding to 1 foot or
less tonight. Waves 2 feet or less Friday morning.

$$