Great Lakes Forecast
Issued by NWS

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000
FZUS61 KBUF 230219
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1019 PM EDT Sun Oct 22 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 along the New England coastline will
slowly drift east through Monday. A 29.5 inch low will then move
from southeast lower Michigan Monday afternoon to near James Bay
by Tuesday while deepening to 29.2 inches. A cold front trailing
this low will cross the lake Monday night. A broad 29.5 inch low
will then remain in place across the Great Lakes Tuesday and
Wednesday before moving into Quebec Thursday.

LOZ062-230900-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1019 PM EDT Sun Oct 22 2017

.OVERNIGHT...Southeast winds 10 to 15 knots becoming south.
Waves 2 feet or less.
.MONDAY...South winds 10 to 15 knots becoming southeast 15 to
20 knots. Waves 2 feet or less.
.MONDAY NIGHT...Southeast winds 15 to 20 knots becoming south.
Rain. Waves 1 to 3 feet building to 2 to 4 feet.
.TUESDAY...Southwest winds 15 to 20 knots. A chance of showers.
Waves 2 to 4 feet building to 3 to 5 feet.
.TUESDAY NIGHT...Southwest winds 15 to 20 knots. A chance of
showers. Waves 3 to 5 feet.
.WEDNESDAY...Southwest winds 15 to 20 knots becoming northwest
and diminishing to 5 to 10 knots. A chance of showers during the
day. Waves 3 to 5 feet subsiding to 1 to 2 feet.
.THURSDAY...Northwest winds 5 to 10 knots becoming southwest.
Waves 1 to 3 feet.
.FRIDAY...South winds 5 to 15 knots. Waves 1 to 2 feet.

$$

LOZ063>065-230900-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1019 PM EDT Sun Oct 22 2017

.OVERNIGHT...South winds 15 to 20 knots. Waves 1 to 3 feet
building to 2 to 4 feet.
.MONDAY...South winds 15 to 20 knots. Waves 2 to 4 feet subsiding
to 1 to 3 feet.
.MONDAY NIGHT...Southeast winds 15 to 25 knots becoming south.
Showers likely in the evening, then rain overnight. Waves 1 to
3 feet building to 2 to 4 feet.
.TUESDAY...South winds 15 to 20 knots becoming southwest 5 to
15 knots. Rain in the morning, then a chance of showers in the
afternoon. Waves 3 to 6 feet subsiding to 2 to 4 feet.
.TUESDAY NIGHT...West winds 15 to 20 knots becoming southwest.
Waves 3 to 5 feet.
.WEDNESDAY...Southwest winds 15 to 20 knots becoming northwest
and diminishing to 5 to 10 knots. A chance of showers Wednesday
night. Waves 3 to 5 feet subsiding to 1 to 3 feet.
.THURSDAY...Northwest winds 5 to 15 knots becoming west. A chance
of showers during the day. Waves 1 to 3 feet building to 2 to
4 feet.
.FRIDAY...Southwest winds 5 to 15 knots becoming south. Waves
1 to 2 feet building to 2 to 4 feet.

$$

LOZ061-230900-
MAFOR 2303/
ONTARIO WEST 1/2 14410 11410 13320. A chance of showers Monday
evening. Waves 2 feet or less.

ONTARIO EAST 1/2 15420 12320. Waves 1 to 3 feet building to 2 to
4 feet overnight. Waves 2 to 4 feet subsiding to 1 to 3 feet
Monday. Waves 1 to 3 feet Monday evening.

$$

HITCHCOCK/JJR/RSH



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