Great Lakes Forecast
Issued by NWS

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566
FZUS61 KBUF 180235
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
935 PM EST Wed Jan 17 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 29.5 inch low will move east across northern Quebec
and Labrador through Thursday. Meanwhile an expansive 30.8 inch
high centered over the lower Mississippi Valley will drift to the
east across the southeast states Thursday and Friday. The high
will become anchored off the southeast coast Saturday and Sunday.

LOZ062-181015-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
935 PM EST Wed Jan 17 2018

.OVERNIGHT...Southwest winds to 30 knots. Scattered flurries.
Waves 6 to 10 feet. Waves occasionally around 13 feet.
.THURSDAY...Southwest winds to 30 knots. Scattered snow showers
in the morning. Waves 6 to 9 feet. Waves occasionally around 11
feet.
.THURSDAY NIGHT...Southwest winds 15 to 20 knots. Snow showers
likely. Waves 3 to 6 feet.
.FRIDAY...Southwest winds 15 to 20 knots. Snow showers likely in
the morning. Waves 3 to 5 feet.
.FRIDAY NIGHT...Southwest winds increasing to 30 knots. Waves
building to 6 to 9 feet. Waves occasionally around 11 feet.
.SATURDAY...Southwest winds to 30 knots. Waves 5 to 9 feet. Waves
occasionally around 11 feet.
.SUNDAY...Southwest winds 10 to 15 knots. A chance of rain
showers Sunday night. Waves 1 to 3 feet.
.MONDAY...East winds 15 to 20 knots. Rain showers likely. Waves 3
to 5 feet.

$$

LOZ063>065-181015-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
935 PM EST Wed Jan 17 2018

.OVERNIGHT...Southwest winds to 30 knots becoming west.
Scattered snow showers, then steadier lake effect snow likely
late. Waves 6 to 10 feet. Waves occasionally around 13 feet.
.THURSDAY...West winds to 30 knots. Lake effect snow showers
likely. Waves 5 to 9 feet. Waves occasionally around 11 feet.
.THURSDAY NIGHT...West winds 15 to 20 knots. Snow showers likely.
Waves 3 to 6 feet.
.FRIDAY...Southwest winds 15 to 20 knots. Snow showers likely.
Waves 3 to 5 feet.
.FRIDAY NIGHT...Southwest winds increasing to 30 knots. Scattered
snow showers in the evening. Waves building to 5 to 8 feet. Waves
occasionally around 10 feet.
.SATURDAY...Southwest winds to 30 knots. Waves 5 to 9 feet. Waves
occasionally around 11 feet.
.SUNDAY...Southwest winds 10 to 15 knots. A chance of rain and
snow showers Sunday night. Waves 1 to 3 feet.
.MONDAY...East winds 15 to 25 knots. Rain showers and freezing
rain likely. Waves building to 3 to 5 feet.

$$

LOZ061-181015-
MAFOR 1804/
ONTARIO WEST 1/2 13540 13530 11520 11627. Scattered snow showers
Thursday morning. Waves 6 to 10 feet, and occasionally around 13
feet overnight. Waves 5 to 9 feet subsiding to 3 to 6 feet, and
occasionally around 11 feet Thursday. Waves 3 to 6 feet Thursday
evening.

ONTARIO EAST 1/2 11540 12640 12637 11630 12620. A chance of snow
showers overnight. A chance of lake effect snow showers Thursday.
Scattered snow showers Thursday evening. Waves 5 to 8 feet
building to 7 to 10 feet, and occasionally around 13 feet
overnight. Waves 5 to 9 feet subsiding to 4 to 7 feet, and
occasionally around 11 feet Thursday. Waves 3 to 6 feet Thursday
evening.

$$



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