Great Lakes Forecast
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000
FZUS61 KBUF 211433
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1033 AM 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 weak 30.0 inch high over the Upper Great Lakes will
nose east across the Lower Great Lakes today and 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. Then a weak 30.0 inch high will ridge from the Ohio River
Valley to Lake Erie over the weekend.

LOZ062-212100-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1033 AM EDT Wed Jun 21 2017

.THIS AFTERNOON...West winds 10 to 15 knots. Waves 1 to 3 feet.
.TONIGHT...West winds 5 to 15 knots becoming northwest. Waves
2 feet or less.
.THURSDAY...West winds less than 10 knots becoming south 10 to
15 knots. A chance of showers in the afternoon. Waves 2 feet or
less.
.THURSDAY NIGHT...Southeast winds 10 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 1 to 3 feet.
.FRIDAY...Southwest winds 15 to 20 knots becoming west 10 to
15 knots. Showers likely with a chance of thunderstorms during
the day...then showers likely Friday night. Waves 2 to 4 feet
subsiding to 1 to 3 feet.
.SATURDAY...Northwest winds 5 to 15 knots becoming west. A chance
of showers Saturday night. Waves 1 to 3 feet.
.SUNDAY...West winds 5 to 10 knots. A chance of showers. Waves
1 to 2 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-212100-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1033 AM EDT Wed Jun 21 2017

.THIS AFTERNOON...West winds 10 to 15 knots. Waves 2 to 3 feet.
.TONIGHT...West winds 5 to 15 knots. Waves 1 to 3 feet.
.THURSDAY...West winds 10 knots or less becoming southwest. A
chance of showers in the afternoon. Waves 1 foot or less.
.THURSDAY NIGHT...South winds 10 to 15 knots increasing to 15 to
20 knots. A chance of showers and thunderstorms in the evening...
then showers likely with a chance of thunderstorms overnight.
Waves 1 to 3 feet.
.FRIDAY...Southwest winds 15 to 20 knots becoming west. Showers
likely with a chance of thunderstorms. Waves 2 to 4 feet
subsiding to 1 to 3 feet.
.SATURDAY...West winds 15 to 20 knots diminishing to 5 to
10 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet.
.SUNDAY...West winds 5 to 15 knots. A chance of showers. Waves
1 to 2 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-212100-
MAFOR 2115/
ONTARIO WEST 1/2 13610 11600 12700 11600 11500. Waves 1 to 3 feet
this afternoon. Waves 2 feet or less tonight and Thursday
morning.

ONTARIO EAST 1/2 14610 13600 11500. Waves 1 to 3 feet.

$$

JJR



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