Great Lakes Forecast
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000
FZUS61 KBUF 200522
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
122 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 Friday. A 30.5 inch high
will then build across the Great Lakes over the weekend into early
next week.

LOZ062-200915-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
122 AM EDT Fri Apr 20 2018

.OVERNIGHT...Northwest winds 15 to 20 knots. A chance of
snow showers, then a chance of flurries late.
Waves 3 to 5 feet.
.FRIDAY...Northwest winds 15 to 20 knots becoming west 10 to
15 knots. A chance of flurries early. Waves 2 to 4 feet.
.FRIDAY NIGHT...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
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>065-200915-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
122 AM EDT Fri Apr 20 2018

.OVERNIGHT...Northwest winds 15 to 20 knots. A chance of
snow showers, then a chance of flurries late.
Waves 4 to 7 feet. Waves occasionally around 9 feet.
.FRIDAY...Northwest winds 15 to 20 knots becoming west. A chance
of flurries early, then a chance of snow showers late in the
morning. A chance of flurries early in the afternoon. Waves 3 to
6 feet subsiding to 3 to 5 feet.
.FRIDAY NIGHT...West winds 15 to 20 knots becoming northwest 5 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. 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 2 feet or less.
.TUESDAY...South winds 5 to 15 knots becoming southeast. A chance
of showers Tuesday night. Waves 2 feet or less.

$$

LOZ061-200915-
MAFOR 2003/
ONTARIO WEST 1/2 14720 13610 11710. Chance of snow showers
overnight. Waves 4 to 7 feet subsiding to 3 to 6 feet, and
occasionally around 9 feet overnight. Waves 3 to 5 feet subsiding
to 2 to 4 feet Friday. Waves 2 to 4 feet subsiding to 1 to 3 feet
Friday evening.

ONTARIO EAST 1/2 14720 11610 12620 11710. Chance of snow showers
overnight and Friday morning. Waves 4 to 7 feet, and occasionally
around 9 feet overnight. Waves 3 to 6 feet subsiding to 3 to 5
feet Friday. Waves 3 to 5 feet subsiding to 2 to 4 feet Friday
evening.

$$



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