Great Lakes Forecast
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000
FZUS61 KBUF 100232
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
930 PM EST Sat Dec 9 2017

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 will move from the Upper Great Lakes
across the lake tonight. A cold front will drop across the lake
Sunday night. A weak ridge of high pressure averaging 30.0 inches
will move across the lake Monday. Another 29.6 inch low will drop
across the lower Great Lakes Tuesday.

LOZ062-101000-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
930 PM EST Sat Dec 9 2017

.REST OF TONIGHT...West winds 10 to 15 knots increasing to 15 to
20 knots. A chance of snow showers. Waves 1 to 3 feet building to
2 to 4 feet.
.SUNDAY...Northwest winds 15 to 25 knots becoming west to
30 knots. Lake effect snow showers likely early, then scattered
snow showers from late morning on. Waves 3 to 6 feet building to
5 to 8 feet. Waves occasionally around 10 feet.
.SUNDAY NIGHT...West winds to 30 knots becoming northwest and
diminishing to 10 to 15 knots overnight. Scattered snow showers
in the evening, then lake effect snow showers likely overnight.
Waves 5 to 8 feet subsiding to 3 to 5 feet. Waves occasionally
around 10 feet.
.MONDAY...North winds 10 knots or less becoming south. A chance
of snow showers in the morning, then a chance of snow in the
afternoon. Waves 1 to 3 feet subsiding to 1 foot or less.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Snow. Waves 1 to
3 feet.
.TUESDAY...West winds 15 to 25 knots becoming northwest. Snow
during the day, then snow showers likely Tuesday night. Waves
2 to 4 feet building to 4 to 7 feet, then subsiding to 3 to
6 feet. Waves occasionally around 9 feet.
.WEDNESDAY...Northwest winds 15 to 20 knots becoming west 10 to
15 knots. Lake effect snow showers likely. Waves 3 to 5 feet
subsiding to 2 to 4 feet.
.THURSDAY...West winds 5 to 15 knots. A chance of snow showers.
Waves 1 to 3 feet.

$$

LOZ063>065-101000-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
930 PM EST Sat Dec 9 2017

.REST OF TONIGHT...Southwest winds 10 to 15 knots becoming west
15 to 20 knots. A chance of snow showers late this evening, then
lake effect snow after midnight. Waves 1 to 3 feet building to
2 to 4 feet.
.SUNDAY...West winds 15 to 25 knots increasing to 30 knots. Lake
effect snow early, then lake effect snow showers likely. Lake
effect snow late. Waves 3 to 6 feet building to 5 to 8 feet.
Waves occasionally around 10 feet.
.SUNDAY NIGHT...West winds to 30 knots becoming northwest and
diminishing to 10 to 15 knots overnight. Lake effect snow. Waves
5 to 9 feet subsiding to 3 to 6 feet. Waves occasionally around
11 feet.
.MONDAY...North winds 10 to 15 knots becoming southeast 5 to
10 knots. Snow showers likely in the morning, then a chance of
snow in the afternoon. Waves 2 to 4 feet subsiding to 1 foot or
less.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Snow. Waves
2 feet or less building to 2 to 4 feet, then subsiding to 1 to
3 feet.
.TUESDAY...South winds 15 to 25 knots becoming northwest. Snow
during the day, then lake effect snow showers Tuesday night.
Waves 1 to 3 feet building to 3 to 6 feet.
.WEDNESDAY...Northwest winds 15 to 20 knots becoming west. Lake
effect snow showers likely. Waves 3 to 6 feet.
.THURSDAY...West winds 10 to 15 knots becoming southwest. A
chance of snow showers. Waves 2 to 4 feet.

$$

LOZ061-101000-
MAFOR 1004/
ONTARIO WEST 1/2 11610 11620 11720 14630 11630. A chance of snow
showers overnight. Scattered lake effect snow showers Sunday.
Scattered snow showers Sunday evening. Waves 2 to 4 feet
overnight. Waves 3 to 5 feet building to 5 to 8 feet, and
occasionally around 10 feet Sunday. Waves 5 to 9 feet, and
occasionally around 11 feet Sunday evening.

ONTARIO EAST 1/2 11610 12627 11637 13630 11637. Scattered lake
effect snow showers Sunday afternoon. Waves 1 to 3 feet building
to 2 to 4 feet overnight. Waves 3 to 6 feet building to 5 to 8
feet, and occasionally around 10 feet Sunday. Waves 6 to 9 feet,
and occasionally around 11 feet Sunday evening.

$$


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