Great Lakes Forecast
Issued by NWS

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432
FZUS61 KBUF 201732
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
132 PM EDT Fri Oct 20 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 30.4 inch high over the Mid Atlantic states will
remain in place through Sunday. A cold front is then forecast to
move into the eastern Great Lakes late Monday.

LOZ062-202115-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
132 PM EDT Fri Oct 20 2017

.THIS AFTERNOON...Southwest winds 5 to 10 knots. Waves 1 to 2
feet.
.TONIGHT...Southwest winds 5 to 10 knots. Waves 1 to 2 feet.
.SATURDAY...Southwest winds 5 to 10 knots becoming south. Waves
2 feet or less.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots becoming south.
Waves 1 foot or less.
.SUNDAY...South winds 5 to 15 knots. Waves 1 to 3 feet.
.MONDAY...Southwest winds 5 to 15 knots becoming south. A chance
of showers during the day, then occasional rain Monday night.
Waves 1 to 3 feet.
.TUESDAY...South winds 10 to 15 knots becoming west 15 to 20
knots. Occasional rain during the day, then a chance of showers
Tuesday night. Waves 1 to 3 feet building to 3 to 5 feet.

$$

LOZ063>065-202115-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
132 PM EDT Fri Oct 20 2017

.THIS AFTERNOON...West winds 5 to 10 knots. Waves 1 to 3 feet.
.TONIGHT...Southwest winds 5 to 10 knots. Waves 2 feet or less.
.SATURDAY...Southwest winds 5 to 10 knots becoming south. Waves
2 feet or less.
.SATURDAY NIGHT...South winds 10 to 15 knots. Waves 1 foot or
less building to 1 to 3 feet.
.SUNDAY...South winds 5 to 15 knots increasing to 15 to 20 knots.
Waves 1 to 3 feet building to 2 to 4 feet.
.MONDAY...South winds 15 to 20 knots. Rain likely Monday night.
Waves 2 to 4 feet subsiding to 1 to 3 feet.
.TUESDAY...South winds 15 to 20 knots becoming southwest. Rain
during the day, then a chance of showers Tuesday night. Waves
2 to 4 feet building to 3 to 5 feet.

$$

LOZ061-202115-
MAFOR 2015/
ONTARIO WEST 1/2 11600 15500 11500. Waves 1 to 3 feet.

ONTARIO EAST 1/2 12600 11500 12400 12500 11400. Waves 2 to 4 feet
subsiding to 1 to 3 feet this afternoon. Waves 2 feet or less
tonight and Saturday morning.

$$



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