Great Lakes Forecast
Issued by NWS

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000
FZUS61 KBUF 221721
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
121 PM EDT Sun Apr 22 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 30.5 inch high across the Great Lakes this afternoon will move
off the southern New England coast on Monday. A broad area of low
pressure averaging 29.7 inches will move from the Ohio Valley
Tuesday to the Mid Atlantic region Wednesday. A cold front will
then move across the eastern Great Lakes late Wednesday night.

LOZ062-222115-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
121 PM EDT Sun Apr 22 2018

.THIS AFTERNOON...Northwest winds less than 10 knots becoming
west. Waves 1 foot or less.
.TONIGHT...South winds less than 10 knots becoming east. Waves
1 foot or less.
.MONDAY...East winds 5 to 15 knots. Waves 1 to 3 feet building to
2 to 4 feet.
.MONDAY NIGHT...East winds 5 to 15 knots becoming south. Waves
2 to 4 feet subsiding to 1 foot or less.
.TUESDAY...Southeast winds 5 to 15 knots becoming east. A chance
of showers during the day, then showers Tuesday night. Waves
1 foot or less building to 1 to 3 feet.
.WEDNESDAY...Northeast winds 5 to 15 knots becoming northwest
15 to 20 knots. Rain showers likely. Waves 2 feet or less.
.THURSDAY...West winds 15 to 20 knots becoming southwest 10 to
15 knots. A chance of showers during the day. Waves 2 to 4 feet
subsiding to 1 to 3 feet.

$$

LOZ063>065-222115-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
121 PM EDT Sun Apr 22 2018

.THIS AFTERNOON...West winds less than 10 knots. Waves 1 foot or
less.
.TONIGHT...Southwest winds less than 10 knots becoming southeast.
Waves 1 foot or less.
.MONDAY...Southeast winds 5 to 15 knots becoming east. Waves
1 foot or less.
.MONDAY NIGHT...East winds 5 to 15 knots becoming south. Waves
2 feet or less.
.TUESDAY...South winds 5 to 15 knots becoming southeast. A chance
of showers during the day, then showers Tuesday night. Waves
2 feet or less.
.WEDNESDAY...Southeast winds 5 to 15 knots becoming west 15 to
20 knots. Showers. Waves 1 to 3 feet.
.THURSDAY...West winds 15 to 20 knots becoming southwest 5 to
15 knots. A chance of showers during the day. Waves 3 to 6 feet
subsiding to 1 to 3 feet.

$$

LOZ061-222115-
MAFOR 2215/
ONTARIO WEST 1/2 12600 12400 12300 12200. Waves 1 foot or less.

ONTARIO EAST 1/2 12600 11500 13400 12300. Waves 1 foot or less.

$$



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