Great Lakes Forecast
Issued by NWS

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130
FZUS61 KBUF 252035
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
435 PM 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 29.7 inch low will move from the Mid Atlantic coast to New
England tonight and to the Canadian Maritimes Thursday while
deepening to 29.5 inches. In its wake, a 30.0 inch high will
build into the Ohio Valley Thursday and Friday, then another
cold front will cross Lake Ontario late Friday or Friday night.

LOZ062-260300-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
435 PM EDT Wed Apr 25 2018

.TONIGHT...Northwest winds 10 to 15 knots becoming west 15 to
20 knots. Patchy fog. Showers likely. Waves 1 to 3 feet building
to 3 to 6 feet.
.THURSDAY...West winds 15 to 20 knots. Patchy fog early. A chance
of showers in the morning. Waves 3 to 6 feet.
.THURSDAY NIGHT...West winds 15 to 20 knots becoming southwest
and diminishing to 5 to 10 knots. Waves 2 to 4 feet subsiding to
1 foot or less.
.FRIDAY...South winds less than 10 knots becoming east. A chance
of showers in the afternoon. Waves 1 foot or less.
.FRIDAY NIGHT...Southeast winds 10 knots or less becoming west
10 to 15 knots. A chance of rain showers. Waves 2 feet or less.
.SATURDAY...West winds 10 to 15 knots becoming northwest. A
chance of rain showers. Waves 1 to 3 feet.
.SUNDAY...Northwest winds 10 to 15 knots becoming west. A chance
of rain showers during the day. Waves 2 to 4 feet subsiding to
1 to 3 feet.
.MONDAY...West winds 10 to 15 knots becoming southwest. Waves
1 to 3 feet.

$$

LOZ063>065-260300-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
435 PM EDT Wed Apr 25 2018

.TONIGHT...West winds 5 to 10 knots increasing to 15 to 25 knots.
Patchy fog. Rain showers. Waves 1 foot or less building to 4 to
7 feet. Waves occasionally around 9 feet.
.THURSDAY...West winds 15 to 25 knots. Patchy fog early. Showers
in the morning, then a chance of showers early in the afternoon.
Waves 5 to 8 feet subsiding to 3 to 6 feet. Waves occasionally
around 10 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...South winds 10 knots or less becoming east. A chance of
rain showers in the afternoon. Waves 2 feet or less.
.FRIDAY NIGHT...East winds 10 knots or less becoming southwest
10 to 15 knots. A chance of showers. Waves 2 feet or less.
.SATURDAY...West winds 10 to 15 knots becoming northwest. A
chance of rain showers. Waves 1 to 3 feet building to 2 to
4 feet.
.SUNDAY...West winds 15 to 20 knots becoming northwest 10 to
15 knots. A chance of rain showers. Waves 3 to 6 feet.
.MONDAY...West winds 10 to 15 knots becoming southwest. Waves
1 to 3 feet.

$$

LOZ061-260300-
MAFOR 2521/
ONTARIO WEST 1/2 11706 11616 11626 12636 12630 11620. Chance of
showers early this evening and Thursday morning. Waves 1 to 3
feet building to 3 to 6 feet tonight. Waves 3 to 6 feet Thursday.

ONTARIO EAST 1/2 11606 11616 11626 13636 11630 11620. Waves 2
feet or less building to 4 to 7 feet, and occasionally around 9
feet tonight. Waves 5 to 8 feet subsiding to 3 to 6 feet, and
occasionally around 10 feet Thursday.

$$

Apffel/AR/JJR/Smith



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