Great Lakes Forecast
Issued by NWS

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000
FZUS61 KBUF 251448
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1048 AM EDT Wed Apr 25 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 slowly deepening area of low pressure at 29.7 inches will move
from the Carolinas to the Mid Atlantic coast this afternoon then
to Southern New England tonight while deepening to 29.5 inches. An
inverted trough of low pressure extending north from the
aforementioned low will move across Lake Ontario by tonight. A
30.0 inch high will build into the Ohio Valley Thursday and
Friday. Another cold front will cross Lake Ontario late Friday or
Friday night.

LOZ062-252130-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1048 AM EDT Wed Apr 25 2018

.THIS AFTERNOON...East winds 10 knots or less becoming northeast.
Patchy fog. Occasional rain. Waves 1 to 2 feet.
.TONIGHT...Northwest winds 5 to 10 knots becoming west and
increasing to 15 to 20 knots. Patchy fog. Occasional rain in the
evening, then rain showers after midnight. Waves 1 to 2 feet
building to 3 to 5 feet.
.THURSDAY...West winds 15 to 20 knots. Patchy fog in the morning.
Rain showers likely in the morning. Waves 3 to 6 feet.
.THURSDAY NIGHT...Southwest winds 15 to 20 knots diminishing to
5 to 10 knots. Waves 2 to 4 feet subsiding to 1 foot or less.
.FRIDAY...South winds 10 knots or less becoming west 10 to
15 knots. A chance of rain showers. Waves 1 foot or less building
to 1 to 3 feet.
.SATURDAY...West winds 15 to 20 knots becoming northwest. A
chance of rain showers. Waves 2 to 4 feet.
.SUNDAY...Northwest winds 15 to 20 knots becoming west 10 to
15 knots. Waves 2 to 4 feet.

$$

LOZ063>065-252130-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1048 AM EDT Wed Apr 25 2018

.THIS AFTERNOON...East winds 5 to 10 knots. Patchy fog. Occasional
rain. Waves 2 feet or less.
.TONIGHT...Northwest winds less than 10 knots becoming west and
increasing to 15 to 25 knots after midnight. Patchy fog.
Occasional rain through the early overnight, then rain showers
late. Waves 2 feet or less building to 4 to 7 feet. Waves
occasionally around 9 feet.
.THURSDAY...West winds 15 to 25 knots. Patchy fog in the morning.
Showers. Waves 4 to 7 feet. Waves occasionally around 9 feet.
.THURSDAY NIGHT...West winds 15 to 20 knots becoming southwest
5 to 15 knots. Waves 3 to 6 feet subsiding to 1 to 3 feet.
.FRIDAY...Southeast winds 10 knots or less becoming southwest and
increasing to 15 to 20 knots. A chance of rain showers Friday
night. Waves 1 to 3 feet.
.SATURDAY...West winds 15 to 20 knots becoming northwest. A
chance of rain showers. Waves 3 to 5 feet subsiding to 2 to
4 feet.
.SUNDAY...Northwest winds 15 to 25 knots becoming west and
diminishing to 10 to 15 knots. A chance of rain showers during
the day. Waves 2 to 4 feet building to 3 to 6 feet.

$$

LOZ061-252130-
MAFOR 2515/
ONTARIO WEST 1/2 11206 11106 11806 11626 12636 12620. Chance of
rain showers Thursday morning. Waves 1 to 2 feet this afternoon.
Waves 1 to 2 feet building to 3 to 6 feet tonight. Waves 3 to 6
feet Thursday morning.

ONTARIO EAST 1/2 11200 11206 11106 11626 14636. Chance of rain
late this morning. Waves 2 feet or less this afternoon. Waves 1
foot or less building to 4 to 7 feet, and occasionally around 9
feet tonight. Waves 4 to 7 feet, and occasionally around 9 feet
Thursday morning.

$$


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