Great Lakes Forecast
Issued by NWS

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484
FZUS61 KBUF 222049
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
449 PM 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 29.6 inch low over the Upper Great Lakes tonight
will push a frontal boundary northward 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 late Sunday afternoon and evening.
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.

LOZ062-230315-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
449 PM EDT Sat Jun 22 2024

.TONIGHT...East winds 10 to 15 knots becoming southwest. A chance
of showers and thunderstorms this evening, then showers likely
with a chance of thunderstorms after midnight. Waves 1 to 3 feet.
.SUNDAY...Southwest winds increasing to 15 to 20 knots. Showers
likely with a chance of thunderstorms in the morning, then just a
chance of showers in the afternoon. Some thunderstorms may
produce gusty winds. Waves 1 to 2 feet building to 3 to 5 feet.
.SUNDAY NIGHT...West winds 15 to 20 knots becoming northwest
10 to 15 knots. A chance of showers and thunderstorms in the
evening, then a chance of showers overnight. Waves 3 to 5 feet
subsiding to 2 to 4 feet.
.MONDAY...Northwest winds 10 to 15 knots becoming west. A chance
of showers in the morning. Waves 2 to 4 feet subsiding to 1 to
3 feet.
.MONDAY NIGHT...West winds 5 to 10 knots. Waves 1 to 3 feet.
.TUESDAY...Southwest winds 10 to 15 knots. A chance of showers
Tuesday night. Waves 2 feet or less.
.WEDNESDAY...Southwest winds 10 to 15 knots becoming northwest.
Showers likely with a chance of thunderstorms. Waves 1 to 2 feet.
.THURSDAY...North winds 5 to 10 knots. Waves 1 to 2 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-230315-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
449 PM EDT Sat Jun 22 2024

.TONIGHT...Northeast winds 10 to 15 knots becoming south. A
chance of showers and thunderstorms this evening, then more
widespread showers with a chance of thunderstorms after midnight.
Waves 2 feet or less.
.SUNDAY...Southwest winds 10 to 15 knots becoming south. Showers
likely with a chance of thunderstorms. Some thunderstorms may
produce gusty winds. Waves 1 to 3 feet building to 3 to 5 feet.
.SUNDAY NIGHT...Southwest winds 10 to 15 knots becoming northwest
15 to 20 knots. A chance of showers and thunderstorms in the
evening, then a chance of showers overnight. Some thunderstorms
may produce gusty winds in the evening. Waves 3 to 5 feet
subsiding to 2 to 4 feet.
.MONDAY...Northwest winds 15 to 20 knots becoming west 10 to
15 knots. A chance of showers. Waves 2 to 4 feet.
.MONDAY NIGHT...West winds 10 to 15 knots. Waves 2 to 4 feet
subsiding to 1 to 3 feet.
.TUESDAY...Southwest winds 10 to 15 knots. A chance of showers
Tuesday night. Waves 2 feet or less.
.WEDNESDAY...Southwest winds 10 to 15 knots. Showers likely with
a chance of thunderstorms. Waves 1 to 2 feet.
.THURSDAY...North winds 10 to 15 knots. Waves 2 feet or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-230315-
MAFOR 2221/
ONTARIO WEST 1/2 12210 11300 11416 11510 11516 11506 11410. A
chance of thunderstorms. Waves 1 to 3 feet tonight. Waves 1 to 2
feet building to 3 to 5 feet Sunday.

ONTARIO EAST 1/2 11110 11200 11300 11416 11410 11516 12416. A
chance of thunderstorms. Waves 2 feet or less tonight. Waves 1 to
3 feet building to 3 to 5 feet Sunday.

$$