Great Lakes Forecast
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000
FZUS61 KBUF 212317
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
717 PM EDT Wed Jun 21 2017

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 30.0 inch high over the central Great Lakes will
settle across the Lower Lakes through tonight. As this high moves
east on Thursday...a warm front will push across the lake...followed
by a cold front which will cross the lake on Friday. After that...
a 30.0 inch high will ridge from the mid-west to the Ohio River
Valley over the weekend.

LOZ062-220315-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
717 PM EDT Wed Jun 21 2017

.TONIGHT...West winds 10 knots or less. Waves 1 to 2 feet.
.THURSDAY...South winds 10 knots or less becoming southeast. A
chance of showers early in the afternoon. A chance of showers and
thunderstorms late. Waves 1 foot or less.
.THURSDAY NIGHT...South winds 5 to 15 knots becoming southwest
15 to 20 knots. A chance of showers and thunderstorms in the
evening...then showers likely with a chance of thunderstorms
overnight. Waves 2 feet or less.
.FRIDAY...Southwest winds 10 to 15 knots increasing to 15 to
20 knots. A chance of showers and thunderstorms in the morning...
then showers likely with a chance of thunderstorms in the
afternoon. Waves 2 to 3 feet.
.FRIDAY NIGHT...West winds 15 to 20 knots becoming northwest 5 to
15 knots. A chance of showers in the evening. Waves 1 to 3 feet.
.SATURDAY...Northwest winds 10 to 15 knots becoming west 15 to
20 knots. A chance of showers and thunderstorms during the day.
Waves 1 to 3 feet.
.SUNDAY...West winds 15 to 20 knots diminishing to 5 to 15 knots.
A chance of showers. Waves 2 to 4 feet subsiding to 1 to 3 feet.
.MONDAY...West winds 5 to 10 knots. A chance of showers. Waves
1 to 2 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-220315-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
717 PM EDT Wed Jun 21 2017

.TONIGHT...West winds 5 to 15 knots. Waves 1 to 3 feet.
.THURSDAY...Southwest winds 5 to 15 knots becoming southeast. A
chance of showers and thunderstorms late. Waves 2 feet or less.
.THURSDAY NIGHT...Southeast winds 5 to 15 knots becoming
southwest. A chance of showers and thunderstorms in the evening...
then showers likely with a chance of thunderstorms overnight.
Waves 2 feet or less.
.FRIDAY...South winds 10 to 15 knots becoming southwest. Showers
likely with a chance of thunderstorms. Waves 1 to 3 feet.
.FRIDAY NIGHT...West winds 15 to 20 knots diminishing to 10 to
15 knots. Showers likely with a chance of thunderstorms in the
evening...then a chance of showers overnight. Waves 1 to 3 feet.
.SATURDAY...West winds 10 to 15 knots increasing to 15 to
20 knots. A chance of showers and thunderstorms during the day.
Waves 1 to 3 feet building to 2 to 4 feet.
.SUNDAY...West winds 15 to 20 knots diminishing to 5 to 15 knots.
A chance of showers. Waves 3 to 5 feet subsiding to 1 to 3 feet.
.MONDAY...West winds 5 to 10 knots. A chance of showers. Waves
1 to 2 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-220315-
MAFOR 2121/
ONTARIO WEST 1/2 11610 11600 12700 11500 11400 12300. A chance of
showers Thursday afternoon. Waves 1 to 3 feet tonight. Waves 1
foot or less Thursday.

ONTARIO EAST 1/2 12610 13600 11500 11510 11200. Waves 1 to 3 feet
tonight. Waves 2 feet or less Thursday.

$$



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