Great Lakes Forecast
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000
FZUS61 KBUF 120833
GLFLO

GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
330 AM EST Tue Dec 12 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 track across the Lower Great Lakes
today. Following the passage of this system, 30.1 inch high pressure
will build briefly across the lower lakes Wednesday night and
Thursday.

LOZ062-121600-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
330 AM EST Tue Dec 12 2017

.TODAY...Southeast winds 5 to 10 knots becoming west and
increasing to 30 knots this morning. Snow. Waves 1 to 3 feet
building to 5 to 8 feet. Waves occasionally around 10 feet.
.TONIGHT...West winds to 30 knots becoming northwest. Periods of
snow. Waves 5 to 9 feet. Waves occasionally around 11 feet.
.WEDNESDAY...Northwest winds to 30 knots. Snow in the morning,
then snow showers likely in the afternoon. Waves 6 to 10 feet.
Waves occasionally around 13 feet.
.WEDNESDAY NIGHT...Northwest winds 15 to 25 knots. A chance of
snow showers in the evening, then snow showers likely overnight.
Waves 5 to 8 feet subsiding to 2 to 4 feet. Waves occasionally
around 10 feet.
.THURSDAY...Northwest winds 15 to 20 knots becoming west 5 to
15 knots. A chance of snow showers. Waves 3 to 5 feet subsiding
to 1 to 3 feet.
.FRIDAY...Southwest winds 5 to 15 knots becoming west. Snow
showers likely. Waves 1 to 3 feet.
.SATURDAY...West winds 10 to 15 knots becoming southwest. A
chance of snow showers during the day, then a chance of flurries
Saturday night. Waves 2 to 4 feet.

$$

LOZ063>065-121600-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
330 AM EST Tue Dec 12 2017

.TODAY...South winds 15 to 20 knots becoming west and increasing
to 30 knots. Snow. Waves 2 to 4 feet building to 3 to 6 feet.
.TONIGHT...West winds to 30 knots becoming northwest. Snow. Waves
5 to 9 feet. Waves occasionally around 11 feet.
.WEDNESDAY...Northwest winds to 30 knots becoming west. Snow.
Waves 8 to 11 feet. Waves occasionally around 14 feet.
.WEDNESDAY NIGHT...Northwest winds to 30 knots diminishing to
15 to 20 knots. Lake effect snow showers. Waves 8 to 11 feet
subsiding to 3 to 6 feet. Waves occasionally around 14 feet.
.THURSDAY...Northwest winds 15 to 20 knots diminishing to 5 to
10 knots. Snow showers likely during the day, then a chance of
snow showers Thursday night. Waves 3 to 6 feet subsiding to 2 to
4 feet.
.FRIDAY...Southwest winds 5 to 10 knots. Snow showers likely.
Waves 1 to 3 feet.
.SATURDAY...West winds 10 to 15 knots becoming southwest. A
chance of snow showers. Waves 2 to 4 feet.

$$

LOZ061-121600-
MAFOR 1210/
ONTARIO WEST 1/2 11207 11827 11727 11637 11647 13737. Waves 2
feet or less building to 5 to 8 feet, and occasionally around 10
feet today. Waves 5 to 9 feet, and occasionally around 11 feet
tonight.

ONTARIO EAST 1/2 11417 11517 11617 11637 12647 12737. Waves 1 to
3 feet building to 3 to 6 feet today. Waves 5 to 9 feet, and
occasionally around 11 feet tonight.

$$



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