Great Lakes Forecast
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072
FZUS61 KBUF 132137
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
437 PM EST Wed Dec 13 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 weak 29.4 inch low will move across northern Ohio
to Pennsylvania tonight before moving off the southern New
England coast on Thursday. A 30.1 inch high will then build into
the Ohio Valley Thursday night before moving off the Mid Atlantic
coast Friday. A 29.6 inch low will then move from near Lake Huron
Friday to New England by Saturday.

LOZ062-140415-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
437 PM EST Wed Dec 13 2017

.TONIGHT...Northwest winds 10 to 15 knots becoming north 15 to
20 knots. Light snow likely. Waves 2 to 4 feet.
.THURSDAY...North winds 15 to 20 knots becoming west. A chance of
snow showers in the afternoon. Waves 3 to 5 feet.
.THURSDAY NIGHT...West winds 15 to 20 knots. A chance of snow
showers. Waves 3 to 5 feet.
.FRIDAY...Southwest winds 15 to 20 knots. A chance of snow
showers in the morning, then snow showers likely in the
afternoon. Waves 3 to 5 feet.
.FRIDAY NIGHT...Southwest winds 15 to 25 knots becoming west to
30 knots. Snow showers likely. Waves building to 5 to 8 feet.
Waves occasionally around 10 feet.
.SATURDAY...Northwest winds to 30 knots. A chance of snow showers.
Waves 5 to 8 feet. Waves occasionally around 10 feet.
.SUNDAY...East winds 10 to 15 knots becoming southeast. A chance
of snow Sunday night. Waves 1 to 3 feet.
.MONDAY...Southwest winds increasing to 15 to 20 knots. A chance
of rain and snow. Waves 1 to 3 feet.

$$

LOZ063>065-140415-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
437 PM EST Wed Dec 13 2017

.TONIGHT...Northwest winds 15 to 20 knots becoming north. A
chance of snow. Waves 4 to 7 feet subsiding to 2 to 4 feet. Waves
occasionally around 9 feet.
.THURSDAY...North winds 15 to 25 knots becoming northwest. A
chance of snow showers through early afternoon, then snow showers
likely late. Waves building to 4 to 7 feet. Waves occasionally
around 9 feet.
.THURSDAY NIGHT...Northwest winds 15 to 20 knots becoming west
10 to 15 knots. Lake effect snow showers likely in the evening,
then occasional lake effect snow overnight. Waves 4 to 7 feet
subsiding to 3 to 6 feet. Waves occasionally around 9 feet.
.FRIDAY...Southwest winds 15 to 20 knots. Lake effect snow
showers in the morning, then just a chance of snow showers in the
afternoon. Waves 3 to 5 feet.
.FRIDAY NIGHT...Southwest winds 15 to 25 knots becoming west to
30 knots. Snow showers. Waves building to 6 to 9 feet. Waves
occasionally around 11 feet.
.SATURDAY...Northwest winds to 30 knots. Lake effect snow showers
likely. Waves 5 to 9 feet. Waves occasionally around 11 feet.
.SUNDAY...East winds 10 to 15 knots. Snow and rain likely Sunday
night. Waves 2 feet or less.
.MONDAY...South winds 10 to 15 knots. A chance of rain and snow
likely. Waves 1 to 3 feet.

$$

LOZ061-140415-
MAFOR 1322/
ONTARIO WEST 1/2 11720 12810 12820 11710 11720 11620. A chance of
snow this evening. A chance of snow showers Thursday afternoon.
Waves 3 to 6 feet subsiding to 2 to 4 feet tonight. Waves 3 to 5
feet Thursday.

ONTARIO EAST 1/2 11720 11710 11810 12820 11710 11720 11730. A
chance of snow tonight. A chance of snow showers Thursday. Waves
5 to 8 feet subsiding to 2 to 4 feet tonight. Waves 3 to 6 feet
Thursday.

$$



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