Great Lakes Forecast
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119
FZUS61 KBUF 230809
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
409 AM EDT Wed Aug 23 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 29.3 inch low over central Quebec will spin in place
through today...then will weaken and exit across Labrador on
Thursday. A 30.2 inch high will then build from near Lake Superior
Thursday to the Central Great Lakes Friday and the Lower Lakes on
Saturday...before drifting to the Saint Lawrence Valley on Sunday.

LOZ062-231500-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
409 AM EDT Wed Aug 23 2017

.TODAY...West winds 15 to 20 knots. A chance of showers and
waterspouts late. Waves 3 to 5 feet.
.TONIGHT...Northwest winds 15 to 20 knots diminishing to 10 to
15 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet.
.THURSDAY...North winds 5 to 10 knots becoming northwest. A
chance of showers and waterspouts in the morning. Waves 1 to 3
feet.
.THURSDAY NIGHT...Northwest winds 10 to 15 knots becoming north.
A chance of showers and waterspouts overnight. Waves 1 to 3 feet.
.FRIDAY...North winds 5 to 15 knots. Waves 1 to 3 feet.
.SATURDAY...North winds 10 knots or less becoming east. Waves
2 feet or less.
.SUNDAY...East winds 5 to 10 knots. Waves 2 feet or less.

$$

LOZ063>065-231500-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
409 AM EDT Wed Aug 23 2017

.TODAY...West winds 15 to 25 knots. A chance of showers and
waterspouts late. Waves 4 to 7 feet subsiding to 3 to 6 feet.
Waves occasionally around 9 feet.
.TONIGHT...West winds 15 to 20 knots becoming northwest 10 to
15 knots. A chance of showers and waterspouts early. Waves 3 to 6
feet subsiding to 2 to 4 feet.
.THURSDAY...North winds 5 to 15 knots becoming west. A chance of
showers and waterspouts. Waves 1 to 3 feet.
.THURSDAY NIGHT...West winds 5 to 10 knots becoming northeast. A
chance of showers and waterspouts overnight. Waves 1 to 3 feet.
.FRIDAY...North winds 5 to 15 knots becoming west. A chance of
showers and waterspouts during the day. Waves 1 to 3 feet.

.SATURDAY...Northeast winds 10 knots or less becoming east. Waves
1 foot or less.
.SUNDAY...East winds 5 to 10 knots. Waves 2 feet or less.

$$

LOZ061-231500-
MAFOR 2309/
ONTARIO WEST 1/2 12620 12630 13720 11710. A chance of showers and
waterspouts this afternoon. Waves 3 to 6 feet today subsiding to
2 to 4 feet tonight.

ONTARIO EAST 1/2 11630 11620 12630 11620 12720 11710. A chance of
showers and waterspouts this afternoon and evening. Waves 4 to 7
feet subsiding to 3 to 6 feet...and occasionally around 9 feet
today. Waves 3 to 6 feet subsiding to 2 to 4 feet tonight.

$$

HITCHCOCK/JJR



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