Great Lakes Forecast
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000
FZUS61 KBUF 181437 RRA
GLFLO

GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1030 AM EDT Wed Apr 18 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 29.3 inch low will stall just north of Maine today. A 29.5 inch
low will track from Ohio this evening to near Cape Cod on
Thursday. This low will then strengthen to 29.3 inches as it moves
into the Canadian Maritimes on Friday. A 30.5 inch high will
build across the Great Lakes over the weekend.

LOZ062-182100-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1030 AM EDT Wed Apr 18 2018

.THIS AFTERNOON...West winds 15 to 25 knots. Waves 4 to 7 feet
subsiding to 3 to 6 feet. Waves occasionally around 9 feet.
.TONIGHT...West winds 5 to 15 knots becoming north 15 to
20 knots. A chance of rain late in the evening. Snow with a
chance of rain after midnight, then snow late. Waves 2 to 4 feet.
.THURSDAY...North winds 15 to 25 knots becoming northwest. Snow
in the morning, then rain and snow in the afternoon. Waves 3 to
6 feet.
.THURSDAY NIGHT...Northwest winds 15 to 25 knots. Rain likely
with a chance of snow in the evening, then a chance of snow
overnight. Waves 3 to 6 feet.
.FRIDAY...Northwest winds 15 to 20 knots diminishing to 10 to
15 knots. A chance of snow during the day. Waves 3 to 5 feet
subsiding to 1 to 3 feet.
.SATURDAY...Northwest winds 5 to 10 knots. Waves 1 to 2 feet.
.SUNDAY...Northwest winds 5 to 10 knots. Waves 2 feet or less.

$$

LOZ063>065-182100-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1030 AM EDT Wed Apr 18 2018

.THIS AFTERNOON...West winds 15 to 25 knots. Waves 5 to 9 feet.
Waves occasionally around 11 feet.
.TONIGHT...West winds 5 to 15 knots becoming north. A chance of
rain late in the evening. Snow with a chance of rain after
midnight, then snow late. Waves 3 to 6 feet subsiding to 1 to
3 feet.
.THURSDAY...North winds 10 to 15 knots becoming northwest and
increasing to 15 to 25 knots. Snow in the morning, then rain and
snow in the afternoon. Waves 1 to 3 feet building to 3 to 6 feet.
.THURSDAY NIGHT...Northwest winds 15 to 25 knots. Rain with snow
likely in the evening, then snow likely overnight. Waves 4 to
7 feet. Waves occasionally around 9 feet.
.FRIDAY...Northwest winds 15 to 20 knots diminishing to 10 to
15 knots. Snow likely with a chance of rain during the day, then
a chance of rain Friday night. Waves 3 to 6 feet subsiding to
2 to 4 feet.
.SATURDAY...Northwest winds 5 to 15 knots. Waves 1 to 3 feet.
.SUNDAY...Northwest winds 5 to 10 knots becoming west. Waves
2 feet or less.

$$

LOZ061-182100-
MAFOR 1815/
ONTARIO WEST 1/2 11630 11620 11610 11600 11717 13827. Chance of
rain tonight. Waves 5 to 8 feet subsiding to 3 to 6 feet. Waves
occasionally around 10 feet this afternoon. Waves 2 to 4 feet
tonight and Thursday morning.

ONTARIO EAST 1/2 12630 11620 11600 11700 13817. Chance of rain
overnight. Waves 5 to 9 feet, and occasionally around 11 feet
this afternoon. Waves 3 to 6 feet subsiding to 1 to 3 feet
tonight. Waves 1 to 3 feet Thursday morning.

$$



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