Great Lakes Forecast
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066
FZUS61 KBUF 181801
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
201 PM EDT Fri Aug 18 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 29.5 inch low will move from the eastern shores of
Lake Superior today to west central Quebec Saturday, eventually
exiting across northern Quebec Saturday night. A trailing cold
front will cross the lake this evening. A 30.1 inch high will
then build into the Ohio Valley and eastern Great Lakes Sunday and
Monday.

LOZ062-182130-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
201 PM EDT Fri Aug 18 2017

.THIS AFTERNOON...Southwest winds 15 to 20 knots. A chance of
showers and thunderstorms late. Waves 2 to 3 feet.
.TONIGHT...Southwest winds 15 to 20 knots becoming west 10 to
15 knots. A chance of showers and thunderstorms in the evening.
Waves 2 to 4 feet.
.SATURDAY...West winds 15 to 20 knots. Waves 2 to 4 feet.
.SATURDAY NIGHT...West winds 10 to 15 knots. A chance of showers
and scattered thunderstorms in the evening. Waves 1 to 3 feet.
.SUNDAY...West winds 5 to 15 knots becoming southwest. Waves 1 to
2 feet.
.MONDAY...Southwest winds 5 to 15 knots. Waves 1 to 2 feet.
.TUESDAY...Southwest winds 10 to 15 knots becoming west 15 to
20 knots. A chance of showers and thunderstorms during the day...
then showers likely with a chance of thunderstorms Tuesday night.
Waves 1 to 3 feet building to 2 to 4 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-182130-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
201 PM EDT Fri Aug 18 2017

.THIS AFTERNOON...Southwest winds 15 to 20 knots. Waves 1 to
3 feet.
.TONIGHT...Southwest winds 15 to 20 knots becoming west. Waves
2 to 4 feet.
.SATURDAY...West winds 15 to 20 knots. Waves 2 to 4 feet.
.SATURDAY NIGHT...West winds 15 to 20 knots becoming northwest. A
chance of showers and scattered thunderstorms in the evening.
Waves 2 to 4 feet.
.SUNDAY...West winds 5 to 15 knots becoming southwest. Waves 2 to
4 feet subsiding to 1 to 2 feet.
.MONDAY...Southwest winds 5 to 10 knots. Waves 2 feet or less.
.TUESDAY...Southwest winds 10 to 15 knots increasing to 15 to
20 knots. A chance of showers and thunderstorms during the day...
then showers likely with a chance of thunderstorms Tuesday night.
Waves 1 to 3 feet building to 3 to 5 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-182130-
MAFOR 1815/
ONTARIO WEST 1/2 13520 11620 13610 11620. A chance of showers
this afternoon. A chance of showers and thunderstorms this
evening. Waves 1 to 3 feet this afternoon. Waves 2 to 4 feet
tonight and Saturday morning.

ONTARIO EAST 1/2 12510 12520 12510 12610. Waves 1 to 3 feet this
afternoon. Waves 1 to 3 feet building to 2 to 4 feet tonight.
Waves 2 to 4 feet Saturday morning.

$$


WOOD



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