Great Lakes Forecast
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641
FZUS61 KBUF 220816
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
416 AM EDT Sat Jun 22 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 stalled frontal boundary will be just south of the
lake this morning. Then a 29.6 inch low over the Upper Great
Lakes this afternoon and night will push the boundary to the
north to the Quebec border by daybreak Sunday. The low will deepen
to 29.4 inches during the day Sunday while passing to the north
of the lake. The low will push a cold front across the region
Sunday night. A 30.0 inch high centered over the Ohio valley on
Monday will extend northwards across the Great Lakes. The axis of
the high pressure will cross the lake Monday night and Tuesday.
The next cold front will then cross the lake Wednesday.

LOZ062-221530-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
416 AM EDT Sat Jun 22 2024

.TODAY...East winds 10 knots or less. A chance of showers. Waves
1 foot or less.
.TONIGHT...East winds 10 to 15 knots becoming south. A chance of
showers. Waves 1 to 2 feet.
.SUNDAY...Southwest 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
2 feet building to 3 to 5 feet.
.SUNDAY NIGHT...West winds 15 to 20 knots diminishing to 10 to
15 knots. A chance of showers in the evening. Waves 3 to 5 feet
subsiding to 2 to 4 feet.
.MONDAY...Northwest winds 15 to 20 knots becoming west 5 to
15 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet.
.TUESDAY...Southwest winds 5 to 15 knots. A chance of showers and
thunderstorms Tuesday night. Waves 2 feet or less.
.WEDNESDAY...Southwest winds 10 to 15 knots becoming northwest. A
chance of showers and thunderstorms. Waves 1 to 2 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-221530-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
416 AM EDT Sat Jun 22 2024

.TODAY...Northeast winds 10 knots or less. A chance of showers
through early afternoon. Waves 1 foot or less.
.TONIGHT...Northeast winds 5 to 10 knots becoming south. A chance
of showers in the evening, then showers with a chance of
thunderstorms after midnight. Waves 1 foot or less.
.SUNDAY...South winds 10 to 15 knots becoming southwest 15 to
20 knots. Showers likely with a chance of thunderstorms. Waves
1 to 3 feet building to 3 to 5 feet.
.SUNDAY NIGHT...Southwest winds 15 to 20 knots becoming west. A
chance of showers. Waves 3 to 5 feet subsiding to 2 to 4 feet.
.MONDAY...West winds 15 to 20 knots diminishing to 5 to 10 knots.
A chance of showers during the day. Waves 2 to 4 feet subsiding
to 1 to 3 feet.
.TUESDAY...West winds 5 to 15 knots becoming south. A chance of
showers and thunderstorms Tuesday night. Waves 2 feet or less.
.WEDNESDAY...Southwest winds 10 to 15 knots becoming northwest. A
chance of showers and thunderstorms. Waves 1 to 2 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-221530-
MAFOR 2209/
ONTARIO WEST 1/2 13200 11100 11200 11210 11200 11300. A chance of
showers. Waves 2 feet or less.

ONTARIO EAST 1/2 15100 11200 11306. A chance of thunderstorms
overnight. Waves 1 foot or less.

$$

EAJ