Great Lakes Forecast
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977
FZUS61 KBUF 202038
GLFLO

GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
430 PM 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 29.4 inch low will drift across the Canadian Maritimes today.
A 30.5 inch high will then build across the Great Lakes over the
weekend, before sliding off the New England coastline early next
week.

LOZ062-210300-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
430 PM EDT Fri Apr 20 2018

.TONIGHT...West winds 5 to 15 knots becoming northwest. Waves
1 to 3 feet.
.SATURDAY...Northwest winds 5 to 15 knots becoming west. Waves
2 feet or less.
.SATURDAY NIGHT...Northwest winds 5 to 15 knots becoming west
less than 10 knots. Waves 2 feet or less.
.SUNDAY...West winds less than 10 knots. Waves 1 foot or less.
.SUNDAY NIGHT...Southwest winds less than 10 knots. Waves 1 foot
or less.
.MONDAY...East winds 5 to 15 knots becoming south. Waves 2 feet
or less.
.TUESDAY...South winds 5 to 10 knots becoming southeast. Waves
1 foot or less.
.WEDNESDAY...Southeast winds 5 to 15 knots becoming northeast. A
chance of showers. Waves 1 to 3 feet.

$$

LOZ063>065-210300-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
430 PM EDT Fri Apr 20 2018

.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. Waves 1 foot or less.
.SUNDAY NIGHT...Southwest winds less than 10 knots becoming
southeast. Waves 1 foot or less.
.MONDAY...Southeast winds 5 to 15 knots becoming south. Waves
2 feet or less.
.TUESDAY...South winds 5 to 15 knots. Waves 2 feet or less.
.WEDNESDAY...Southeast winds 5 to 15 knots becoming northeast. A
chance of showers. Waves 1 to 3 feet.

$$

LOZ061-210300-
MAFOR 2021/
ONTARIO WEST 1/2 12710 14700 11600 11610. Waves 2 to 4 feet
subsiding to 1 to 3 feet tonight. Waves 2 feet or less Saturday.

ONTARIO EAST 1/2 11620 12710 13700 11600 11610. Waves 2 to 4 feet
subsiding to 1 to 3 feet tonight. Waves 2 feet or less Saturday.

$$



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