Great Lakes Forecast
Issued by NWS

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000
FZUS61 KBUF 161041
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
641 AM EDT Mon Apr 16 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 29.6 low near Lake Erie this morning will push an occluded
front across the Lake today, and then deepen to 29.3 inches as it
tracks near Lake Ontario this afternoon before tracking towards
Georgian Bay tonight. A secondary low at 29.5 inches and forming
on this occluded front will drift across New England on Tuesday.
Another 29.2 inch low will enter the Great Lakes region late
Wednesday, sending a warm front across the region Wednesday night,
then followed by a cold front Thursday.

LOZ062-161515-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
641 AM EDT Mon Apr 16 2018

.TODAY...East winds to 30 knots becoming southwest 15 to
25 knots. Rain. Waves 10 to 13 feet subsiding to 3 to 5 feet.
Waves occasionally around 16 feet.
.TONIGHT...Southwest winds 20 to 25 knots becoming west. Rain
showers likely in the evening, then a chance of rain showers
after midnight. A chance of rain and snow showers late. Waves
5 to 8 feet. Waves occasionally around 10 feet.
.TUESDAY...West winds to 30 knots. A chance of rain and snow
showers in the morning, then rain and snow showers likely in the
afternoon. Waves 5 to 8 feet building to 7 to 10 feet. Waves
occasionally around 13 feet.
.TUESDAY NIGHT...West winds to 30 knots. A chance of rain showers
in the evening. Waves 6 to 10 feet subsiding to 5 to 8 feet.
Waves occasionally around 13 feet.
.WEDNESDAY...West winds 15 to 25 knots becoming east and
diminishing to 5 to 15 knots. Rain likely Wednesday night. Waves
5 to 8 feet subsiding to 1 to 2 feet. Waves occasionally around
10 feet.
.THURSDAY...Northeast winds 5 to 15 knots becoming northwest
15 to 20 knots. Rain likely during the day, then a chance of rain
showers Thursday night. Waves 2 feet or less building to 2 to
4 feet.
.FRIDAY...Northwest winds 15 to 20 knots becoming north 10 to
15 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet.

$$

LOZ063>065-161515-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
641 AM EDT Mon Apr 16 2018

.TODAY...East winds to 30 knots becoming southwest and
diminishing to 15 to 20 knots. Rain early, then rain with a
chance of thunderstorms. Rain late. Waves 8 to 11 feet subsiding
to 1 to 3 feet. Waves occasionally around 14 feet.
.TONIGHT...West winds 15 to 25 knots becoming southwest. Rain
early, then rain showers likely from late evening on. Waves 5 to
8 feet. Waves occasionally around 10 feet.
.TUESDAY...West winds 15 to 25 knots increasing to 30 knots. Rain
and snow showers. Waves 6 to 10 feet building to 8 to 11 feet.
Waves occasionally around 14 feet.
.TUESDAY NIGHT...West winds to 30 knots. Rain showers likely in
the evening, then a chance of rain showers overnight. Waves 7 to
11 feet. Waves occasionally around 14 feet.
.WEDNESDAY...West winds to 30 knots becoming southeast and
diminishing to 5 to 10 knots. Rain likely Wednesday night. Waves
7 to 10 feet subsiding to 2 feet or less. Waves occasionally
around 13 feet.
.THURSDAY...Southwest winds 5 to 15 knots becoming northwest
15 to 20 knots. Rain likely during the day, then rain showers
likely Thursday night. Waves 2 feet or less building to 3 to
5 feet.
.FRIDAY...Northwest winds 15 to 20 knots diminishing to 10 to
15 knots. A chance of rain showers during the day. Waves 3 to
5 feet subsiding to 1 to 3 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-161515-
MAFOR 1609/
ONTARIO WEST 1/2 11246 11236 11326 11526 12536 11530 11630.
Chance of rain showers overnight. Waves 10 to 14 feet subsiding
to 3 to 5 feet, and occasionally around 18 feet today. Waves 5 to
8 feet, and occasionally around 10 feet tonight.

ONTARIO EAST 1/2 12246 11336 11416 11636 11536 12530. Chance of
thunderstorms today. Chance of rain showers overnight. Waves 6 to
10 feet subsiding to 2 feet or less, and occasionally around 13
feet today. Waves 3 to 6 feet building to 5 to 8 feet, and
occasionally around 10 feet tonight.

$$



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