Great Lakes Forecast
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025
FZUS61 KBUF 211749
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1249 PM EST Wed Feb 21 2018

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 29.9 inch low over the Saint Lawrence Valley will track into
Labrador this afternoon. In the wake of the low and its associated
cold front, a 30.7 inch high will build across the Great Lakes
tonight and Thursday, before drifting off the New England
coastline on Friday. A 30.0 inch trough will then cross the lake
later Friday with 30.2 inch high pressure extending south across
the lake Saturday.

LOZ062-212215-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1249 PM EST Wed Feb 21 2018

.THIS AFTERNOON...Northwest winds 15 to 20 knots. Rain early.
Areas of fog. Waves 2 to 4 feet.
.TONIGHT...Northwest winds 15 to 20 knots becoming north 10 to
15 knots. Waves 2 to 4 feet.
.THURSDAY...Northeast winds 10 to 15 knots becoming east 15 to
20 knots. A chance of snow in the afternoon. Waves 1 to 2 feet.
.THURSDAY NIGHT...East winds 15 to 25 knots. Waves 1 to 3 feet
building to 2 to 4 feet.
.FRIDAY...Southeast winds 15 to 25 knots becoming west and
diminishing to 5 to 15 knots. Rain. Waves 3 to 5 feet subsiding
to 1 to 3 feet.
.SATURDAY...Northwest winds 5 to 10 knots becoming east and
increasing to 15 to 25 knots. A chance of rain during the day,
then rain Saturday night. Waves 1 to 3 feet.
.SUNDAY...Southeast winds 15 to 25 knots becoming west. Rain.
Waves 2 to 4 feet building to 3 to 5 feet.

$$

LOZ063>065-212215-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1249 PM EST Wed Feb 21 2018

.THIS AFTERNOON...West winds 15 to 20 knots. Areas of fog. Rain
early, then a chance of rain showers late. Waves
2 to 4 feet building to 3 to 5 feet.
.TONIGHT...West winds 15 to 20 knots becoming northeast 10 to
15 knots. Waves 3 to 5 feet subsiding to 1 to 3 feet.
.THURSDAY...Northeast winds 10 to 15 knots. A chance of snow in
the afternoon. Waves 2 feet or less.
.THURSDAY NIGHT...Northeast winds 10 to 15 knots becoming east
15 to 20 knots. Waves 1 to 3 feet.
.FRIDAY...Southeast winds 15 to 25 knots becoming west and
diminishing to 10 to 15 knots. Rain. Waves 2 to 4 feet building
to 3 to 5 feet, then subsiding to 1 to 3 feet.
.SATURDAY...Northwest winds 5 to 10 knots becoming east and
increasing to 15 to 25 knots. A chance of rain during the day,
then rain Saturday night. Waves 1 to 3 feet.
.SUNDAY...Southeast winds 15 to 25 knots becoming west. Rain
during the day, then rain with a chance of snow Sunday night.
Waves 2 to 4 feet building to 3 to 6 feet.

$$

LOZ061-212215-
MAFOR 2119 AMD/
ONTARIO WEST 1/2 11723 12720 11710 11800 11110 11210. Waves 2 to
4 feet this afternoon subsiding to 1 to 3 feet tonight. Waves 1
to 2 feet Thursday morning.

ONTARIO EAST 1/2 11623 11620 11720 11810 13110. A chance of
showers this afternoon. Waves 2 to 4 feet building to 3 to 5 feet
this afternoon. Waves 3 to 5 feet subsiding to 1 to 3 feet
tonight. Waves 2 feet or less Thursday morning.

$$

CHURCH/JJR/ZAFF



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