Great Lakes Forecast
Issued by NWS

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000
FZUS61 KBUF 062046
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
346 PM EST Wed Dec 6 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...An expansive 29.0 inch low over James Bay this
afternoon will slowly push across northern Quebec through
Thursday. A 29.6 inch low over the Upper Great Lakes on Friday
will pass to the north of the lake Friday night. Another 29.6 inch
low will move from the Upper Great Lakes across Lake Ontario late
Saturday and Saturday night.

LOZ062-070430-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
346 PM EST Wed Dec 6 2017

.TONIGHT...West winds to 30 knots. Waves 5 to 9 feet subsiding to
4 to 7 feet. Waves occasionally around 11 feet.
.THURSDAY...West winds 15 to 20 knots. Waves 3 to 6 feet.
.THURSDAY NIGHT...West winds 15 to 25 knots. Waves 4 to 6 feet.
.FRIDAY...West winds 15 to 25 knots becoming southwest to
30 knots. A chance of snow showers in the afternoon. Waves 4 to
7 feet. Waves occasionally around 9 feet.
.FRIDAY NIGHT...Southwest winds to 30 knots becoming west 15 to
25 knots. Waves 4 to 7 feet subsiding to 3 to 6 feet. Waves
occasionally around 9 feet.
.SATURDAY...Southwest winds 10 to 15 knots becoming northwest
15 to 20 knots. Snow showers likely. Waves 3 to 5 feet building
to 3 to 6 feet.
.SUNDAY...Northwest winds 15 to 25 knots becoming west. A chance
of snow showers. Waves 3 to 6 feet building to 5 to 8 feet. Waves
occasionally around 10 feet.
.MONDAY...West winds 15 to 25 knots becoming northwest. A chance
of snow showers. Waves 4 to 7 feet subsiding to 3 to 6 feet.
Waves occasionally around 9 feet.

$$

LOZ063>065-070430-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
346 PM EST Wed Dec 6 2017

.TONIGHT...West winds to 30 knots. Scattered snow showers early,
then lake effect snow showers likely from late evening on. Waves
5 to 9 feet. Waves occasionally around 11 feet.
.THURSDAY...West winds 15 to 20 knots. Lake effect snow showers
likely early. A chance of snow showers early in the afternoon,
then snow showers likely late. Waves 4 to 7 feet. Waves
occasionally around 9 feet.
.THURSDAY NIGHT...West winds 15 to 25 knots becoming southwest.
Snow showers likely in the evening, then lake effect snow
overnight. Waves 4 to 7 feet. Waves occasionally around 9 feet.
.FRIDAY...Southwest winds 15 to 25 knots. Snow showers likely in
the morning, then a chance of snow showers in the afternoon.
Waves 4 to 7 feet. Waves occasionally around 9 feet.
.FRIDAY NIGHT...Southwest winds to 30 knots diminishing to 15 to
25 knots. A chance of snow showers overnight. Waves 5 to 8 feet.
Waves occasionally around 10 feet.
.SATURDAY...Southwest winds 15 to 20 knots becoming west. A
chance of snow showers during the day, then snow showers likely
Saturday night. Waves 4 to 7 feet subsiding to 3 to 5 feet. Waves
occasionally around 9 feet.
.SUNDAY...Northwest winds 15 to 25 knots becoming southwest. Snow
showers likely. Waves 5 to 8 feet. Waves occasionally around
10 feet.
.MONDAY...Southwest winds 15 to 25 knots becoming west. Snow
showers likely. Waves 5 to 8 feet subsiding to 3 to 6 feet. Waves
occasionally around 10 feet.

$$

LOZ061-070430-
MAFOR 0622/
ONTARIO WEST 1/2 12640 12630 14620. Waves 5 to 9 feet subsiding
to 4 to 7 feet tonight. Waves 4 to 7 feet subsiding to 3 to 6
feet Thursday.

ONTARIO EAST 1/2 12640 13630 12620 11627. Scattered snow showers
this evening. A chance of snow showers overnight. A chance of
snow showers Thursday morning. Waves 5 to 9 feet tonight. Waves 4
to 7 feet Thursday.

$$


WOOD



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