Great Lakes Forecast
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024
FZUS61 KBUF 182013
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
413 PM EDT Wed Apr 18 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 track from Ohio this evening to near Cape
Cod on Thursday. This low will then strengthen to 29.3 inches as
it moves into the Canadian Maritimes on Friday. A 30.5 inch high
will then build across the Great Lakes over the weekend.

LOZ062-190315-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
413 PM EDT Wed Apr 18 2018

.TONIGHT...West winds 15 to 20 knots becoming north 5 to
15 knots. A chance of rain and snow after midnight. Snow likely
late. Waves 3 to 5 feet subsiding to 1 to 3 feet.
.THURSDAY...North winds 15 to 25 knots becoming northwest. Snow
likely early, then a chance of snow late in the morning. Waves
1 to 3 feet building to 4 to 6 feet.
.THURSDAY NIGHT...Northwest winds 20 to 25 knots. A chance of
rain and snow showers in the evening. Waves 4 to 6 feet.
.FRIDAY...Northwest winds 15 to 20 knots. Waves 3 to 6 feet
subsiding to 2 to 4 feet.
.FRIDAY NIGHT...Northwest winds 5 to 15 knots. Waves 1 to 3 feet.
.SATURDAY...Northwest winds 5 to 15 knots becoming north. Waves
2 feet or less.
.SUNDAY...North winds 10 knots or less becoming east. Waves
1 foot or less.
.MONDAY...Southeast winds 10 knots or less becoming south. Waves
1 foot or less.

$$

LOZ063>065-190315-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
413 PM EDT Wed Apr 18 2018

.TONIGHT...West winds 15 to 20 knots becoming northwest 5 to
15 knots. A chance of rain and snow after midnight. Snow likely
late. Waves 4 to 7 feet subsiding to 1 to 3 feet. Waves
occasionally around 9 feet.
.THURSDAY...North winds 10 to 15 knots becoming northwest and
increasing to 15 to 25 knots. Snow likely in the morning, then
snow likely with a chance of rain in the afternoon. Waves 1 to
3 feet building to 3 to 6 feet.
.THURSDAY NIGHT...Northwest winds 15 to 25 knots. Rain and snow
showers likely in the evening, then a chance of snow and rain
showers overnight. Waves 3 to 6 feet building to 4 to 7 feet.
Waves occasionally around 9 feet.
.FRIDAY...Northwest winds 15 to 20 knots. A chance of snow and
rain showers. Waves 3 to 6 feet subsiding to 2 to 4 feet.
.FRIDAY NIGHT...Northwest winds 15 to 20 knots becoming north
10 to 15 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet.
.SATURDAY...Northwest winds 5 to 15 knots. Waves 1 to 3 feet.
.SUNDAY...Northwest winds 10 knots or less becoming southwest.
Waves 1 foot or less.
.MONDAY...South winds 10 knots or less. Waves 2 feet or less.

$$

LOZ061-190315-
MAFOR 1821/
ONTARIO WEST 1/2 11620 11610 11710 12817 11820 11720 11730.
Chance of rain overnight. Waves 3 to 6 feet subsiding to 1 to 3
feet tonight. Waves 1 to 3 feet building to 3 to 5 feet Thursday.

ONTARIO EAST 1/2 12620 11610 11700 12817 11820 11720. Chance of
rain overnight. Chance of snow and rain Thursday afternoon. Waves
4 to 7 feet subsiding to 1 to 3 feet, and occasionally around 9
feet tonight. Waves 1 to 3 feet building to 3 to 5 feet Thursday.

$$



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