Great Lakes Forecast
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000
FZUS61 KBUF 192039
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
439 PM EDT Thu Apr 19 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 near Cape Cod will strengthen to 29.3 inches as
it moves into the Canadian Maritimes by Friday. A 30.5 inch high
will then build across the Great Lakes over the weekend into early
next week.

LOZ062-200315-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
439 PM EDT Thu Apr 19 2018

.TONIGHT...Northwest winds 15 to 25 knots. A slight chance of
rain and snow showers early. Waves 4 to 7 feet subsiding to 3 to
6 feet. Waves occasionally around 9 feet.
.FRIDAY...Northwest winds 15 to 20 knots becoming west. Waves
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 west. Waves
2 feet or less.
.SATURDAY NIGHT...Northwest winds 10 knots or less. Waves 2 feet
or less.
.SUNDAY...Northwest winds less than 10 knots becoming southeast.
Waves 1 foot or less.
.MONDAY...Southeast winds 5 to 10 knots becoming south. Waves
1 foot or less.
.TUESDAY...South winds 5 to 10 knots becoming southeast. A chance
of showers Tuesday night. Waves 1 foot or less.

$$

LOZ063>065-200315-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
439 PM EDT Thu Apr 19 2018

.TONIGHT...Northwest winds 15 to 25 knots. Snow showers likely
with a chance of rain showers early, then a chance of snow and
rain showers early. A chance of snow showers late this evening.
Waves 4 to 7 feet. Waves occasionally around 9 feet.
.FRIDAY...Northwest winds 15 to 20 knots becoming west. A chance
of snow showers through early afternoon. Waves 3 to 6 feet
subsiding to 3 to 5 feet.
.FRIDAY NIGHT...West winds 15 to 20 knots becoming north 10 to
15 knots. Waves 3 to 5 feet subsiding to 1 to 3 feet.
.SATURDAY...Northwest winds 5 to 15 knots becoming west. Waves
2 feet or less.
.SATURDAY NIGHT...West winds 5 to 15 knots becoming north. Waves
2 feet or less.
.SUNDAY...Northwest winds less than 10 knots becoming south.
Waves 1 foot or less.
.MONDAY...South winds 5 to 15 knots. Waves 2 feet or less.
.TUESDAY...South winds 5 to 15 knots becoming southeast. A chance
of showers Tuesday night. Waves 2 feet or less.

$$

LOZ061-200315-
MAFOR 1921/
ONTARIO WEST 1/2 13730 14720 11620. Waves 4 to 7 feet subsiding
to 3 to 6 feet, and occasionally around 9 feet tonight. Waves 3
to 5 feet subsiding to 2 to 4 feet Friday.

ONTARIO EAST 1/2 14730 13720 11620. Chance of snow and rain
showers early, then chance of snow showers this evening. Chance
of snow showers Friday morning. Waves 4 to 7 feet, and
occasionally around 9 feet tonight. Waves 3 to 6 feet subsiding
to 3 to 5 feet Friday.

$$



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