Great Lakes Forecast
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047
FZUS61 KBUF 201040
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
640 AM EDT Fri Apr 20 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 today. A 30.5 inch high will
then build across the Great Lakes over the weekend into early
next week.

LOZ062-201515-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
640 AM EDT Fri Apr 20 2018

.TODAY...Northwest winds 15 to 20 knots becoming west 10 to
15 knots. Waves 3 to 5 feet subsiding to 1 to 3 feet.
.TONIGHT...West winds 5 to 15 knots becoming northwest. Waves
1 to 3 feet.
.SATURDAY...West winds 5 to 15 knots. Waves 2 feet or less.
.SATURDAY NIGHT...West winds 5 to 15 knots becoming southwest.
Waves 2 feet or less.
.SUNDAY...West winds less than 10 knots becoming south. Waves
1 foot or less.
.MONDAY...Southeast winds 5 to 10 knots becoming south. Waves
2 feet or less.
.TUESDAY...South winds 5 to 10 knots becoming southeast. A chance
of showers Tuesday night. Waves 2 feet or less.

$$

LOZ063>065-201515-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
640 AM EDT Fri Apr 20 2018

.TODAY...Northwest winds 15 to 20 knots becoming west. Scattered
snow showers late this morning. Waves 3 to 5 feet subsiding to
2 to 4 feet.
.TONIGHT...West winds 15 to 20 knots becoming northwest 5 to
15 knots. Waves 2 to 4 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. Waves 2 feet or less.
.SUNDAY...West winds 10 knots or less becoming southwest. Waves
1 foot or less.
.MONDAY...South winds 5 to 15 knots increasing to 15 to 20 knots.
Waves 1 to 3 feet.
.TUESDAY...South winds 5 to 15 knots becoming southeast. A chance
of showers Tuesday night. Waves 1 to 3 feet.

$$

LOZ061-201515-
MAFOR 2009/
ONTARIO WEST 1/2 12720 13610 11710 12700. Waves 3 to 5 feet
subsiding to 2 to 4 feet today. Waves 2 to 4 feet subsiding to 1
to 3 feet tonight.

ONTARIO EAST 1/2 12720 11610 12620 12710 11700. Waves 3 to 5 feet
subsiding to 2 to 4 feet today. Waves 2 to 4 feet subsiding to 1
to 3 feet tonight.

$$



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