Great Lakes Forecast
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000
FZUS61 KBUF 211043
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
643 AM EDT Sat Jul 21 2018

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 near Chicago will slowly drift south
across Indiana this afternoon and evening...while a 29.5 inch low
pushes north across the Delmarva Peninsula. This second storm
system will then track northward into central New York by late
tonight...and across the eastern half of the lake Sunday morning.
In the wake of this second low...a remnant trough will remain over
the lake through Sunday night...before shifting westward across
Lake Erie and Southern Ontario on Monday.

LOZ062-211515-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
643 AM EDT Sat Jul 21 2018

.TODAY...Southeast winds 15 to 25 knots becoming east. Waves 2 to
4 feet building to 3 to 6 feet.
.TONIGHT...East winds 15 to 20 knots. A chance of showers late.
Waves 3 to 5 feet subsiding to 2 to 4 feet.
.SUNDAY...Northeast winds 15 to 25 knots becoming west and
diminishing to 5 to 10 knots in the afternoon. Showers likely in
the morning, then just a chance of showers in the afternoon.
Waves 3 to 6 feet subsiding to 2 to 4 feet.
.SUNDAY NIGHT...Northwest winds 10 knots or less becoming east. A
chance of showers. Waves subsiding to 1 foot or less.
.MONDAY...Southeast winds 10 to 15 knots. Showers likely with a
chance of thunderstorms. Waves 2 feet or less.
.TUESDAY...South winds 10 to 15 knots. Showers likely with a
chance of thunderstorms. Waves 1 to 2 feet.
.WEDNESDAY...South winds 5 to 10 knots. Showers likely with a
chance of thunderstorms. Waves 2 feet or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-211515-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
643 AM EDT Sat Jul 21 2018

.TODAY...Southeast winds 15 to 20 knots becoming east. Waves 2 to
4 feet building to 3 to 5 feet.
.TONIGHT...Southeast winds 15 to 25 knots becoming east. A chance
of showers after midnight. Rain and areas of fog late. Waves 2 to
4 feet.
.SUNDAY...East winds 15 to 25 knots becoming southwest. Areas of
fog in the morning. Rain in the morning, then just a chance of
showers in the afternoon. Waves 3 to 6 feet subsiding to 1 to 3
feet.
.SUNDAY NIGHT...Northwest winds 10 to 15 knots becoming
southeast. A chance of showers. Waves 2 feet or less.
.MONDAY...Southeast winds 10 to 15 knots. Showers likely with a
chance of thunderstorms. Waves 1 to 3 feet.
.TUESDAY...South winds 15 to 20 knots. Showers likely with a
chance of thunderstorms. Waves 1 to 3 feet.
.WEDNESDAY...South winds 5 to 10 knots. Showers likely with a
chance of thunderstorms. Waves subsiding to 1 foot or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-211515-
MAFOR 2112 AMD/
ONTARIO WEST 1/2 11320 11220 12230 11320 11310 11220. A chance of
showers overnight. Waves 2 to 4 feet building to 3 to 6 feet
today. Waves 3 to 6 feet subsiding to 2 to 4 feet tonight.

ONTARIO EAST 1/2 12320 11210 12310 11210 11220. A chance of
showers overnight. Waves 2 to 4 feet today. Waves 1 to 3 feet
building to 2 to 4 feet tonight.

$$


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