Great Lakes Forecast
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000
FZUS61 KBUF 191900
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
300 PM EDT Wed Jul 19 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 cool front will cross the lake late this
afternoon and evening. A second weak cool front will then cross
the lake Thursday night...with high pressure then settling across
the Lower Lakes on Friday. A frontal boundary will develop across
the region over the weekend.

LOZ062-200300-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
300 PM EDT Wed Jul 19 2017

.TONIGHT...Northwest winds 5 to 10 knots becoming west. A chance
of showers and thunderstorms early. Waves 1 foot or less.
.THURSDAY...West winds 5 to 15 knots becoming southeast. A chance
of showers and thunderstorms late. Waves 1 foot or less.
.THURSDAY NIGHT...East winds 5 to 15 knots becoming northwest. A
chance of showers and thunderstorms in the evening. Waves 1 foot
or less.
.FRIDAY...Northwest winds 5 to 15 knots becoming west. Waves
2 feet or less.
.FRIDAY NIGHT...West winds 5 to 15 knots diminishing to less than
10 knots. Waves 2 feet or less.
.SATURDAY...Southwest winds 5 to 10 knots becoming southeast.
Showers and thunderstorms likely during the day...then a chance
of showers and thunderstorms Saturday night. Waves 2 feet or
less.
.SUNDAY...Southeast winds 10 knots or less becoming northwest. A
chance of showers and thunderstorms. Waves 2 feet or less.
.MONDAY...Southeast winds 5 to 15 knots becoming northwest. A
chance of showers and thunderstorms during the day. Waves 1 to
3 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-200300-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
300 PM EDT Wed Jul 19 2017

.TONIGHT...Southwest winds 5 to 10 knots becoming west. A chance
of showers and thunderstorms early. Waves 1 foot or less.
.THURSDAY...West winds 5 to 10 knots becoming south. Waves 2 feet
or less.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots becoming west. A
chance of showers and thunderstorms in the evening...then a
chance of showers overnight. Waves 1 foot or less.
.FRIDAY...Northwest winds 5 to 15 knots becoming west. Waves
2 feet or less.
.FRIDAY NIGHT...West winds 5 to 15 knots. Waves 1 to 2 feet.
.SATURDAY...Southwest winds 10 knots or less becoming southeast
10 to 15 knots. A chance of showers and thunderstorms. Waves
2 feet or less.
.SUNDAY...Southeast winds 5 to 15 knots becoming northeast. A
chance of showers and thunderstorms. Waves 2 feet or less.
.MONDAY...Southeast winds 5 to 15 knots becoming west 15 to
20 knots. A chance of showers and thunderstorms during the day.
Waves 2 feet or less building to 2 to 4 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-200300-
MAFOR 1921/
ONTARIO WEST 1/2 11600 12700 13600 11500 11300. A chance of
showers and thunderstorms this evening and Thursday afternoon.
Waves 1 foot or less.

ONTARIO EAST 1/2 11500 15600 11500. A chance of showers and
thunderstorms this evening. Waves 2 feet or less.

$$



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