Great Lakes Forecast
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000
FZUS61 KBUF 200519
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
119 AM EDT Sun Jun 20 2021

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 across eastern Quebec will move into
the Canadian Maritimes Sunday. A 29.2 inch low will then move into
Quebec Monday, with a trailing cold front slowly crossing the
lake Monday night. A 30.2 inch high will then build across
Illinois on Tuesday and then will slide across the Northeastern
states on Wednesday.

LOZ062-200915-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
119 AM EDT Sun Jun 20 2021

.OVERNIGHT...Southwest winds 5 to 10 knots. Waves 1 foot or
less.
.SUNDAY...Southwest winds 10 knots or less becoming east. Waves
1 foot or less.
.SUNDAY NIGHT...East winds 5 to 10 knots. Showers with a chance
of thunderstorms overnight. Waves 2 feet or less.
.MONDAY...Southeast winds 15 to 20 knots becoming southwest.
Showers likely with a chance of thunderstorms. Waves 2 to 4 feet.
.MONDAY NIGHT...West winds 15 to 20 knots becoming northwest.
Showers likely with a chance of thunderstorms in the evening,
then a chance of showers overnight. Waves 2 to 4 feet.
.TUESDAY...Northwest winds 15 to 20 knots becoming west 10 to
15 knots. A chance of showers during the day. Waves 1 to 3 feet.
.WEDNESDAY...Southwest winds 5 to 10 knots becoming south. Waves
1 to 2 feet.
.THURSDAY...South winds 10 to 15 knots. Waves 2 feet or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-200915-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
119 AM EDT Sun Jun 20 2021

.OVERNIGHT...Southwest winds 5 to 10 knots. Waves 1 foot or
less.
.SUNDAY...Southwest winds 10 knots or less becoming east. Waves
1 foot or less.
.SUNDAY NIGHT...East winds 5 to 15 knots becoming south. Showers
likely with a chance of thunderstorms overnight. Waves 2 feet or
less.
.MONDAY...South winds 10 to 15 knots becoming southwest 15 to
20 knots. A chance of showers and thunderstorms in the morning,
then showers with thunderstorms likely in the afternoon. Waves
1 to 3 feet building to 2 to 4 feet.
.MONDAY NIGHT...West winds 15 to 20 knots. Showers with
thunderstorms likely in the evening, then showers likely with a
chance of thunderstorms overnight. Waves 2 to 4 feet.
.TUESDAY...Northwest winds 15 to 20 knots diminishing to 10 to
15 knots. Showers likely with a chance of thunderstorms during
the day. Waves 2 to 4 feet.
.WEDNESDAY...West winds 5 to 15 knots becoming south. Waves 1 to
3 feet.
.THURSDAY...South winds 10 to 15 knots. Waves 2 feet or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-200915-
MAFOR 2003/
ONTARIO WEST 1/2 11510 13500 14200. Waves 1 foot or less.

ONTARIO EAST 1/2 11420 12500 11400 11300 11200 11300 11310. Waves
2 feet or less.

$$


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