Great Lakes Forecast
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000
FZUS61 KBUF 142024
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
424 PM EDT Sat Apr 14 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 frontal boundary will stall just south of the lake through
Sunday before finally moving north across the lake Sunday night,
as a 29.6 inch low moves to near Lake Erie. This low will move to
southern Quebec by Monday and drift over southern Canada and
northern New England Tuesday. A deep 29.2 inch low will enter the
Great Lakes region Wednesday, sending a warm front across Lake
Ontario Wednesday afternoon, followed by a cold front Wednesday
night or early Thursday.

LOZ062-063-150315-
Lake Ontario open waters from the Niagara River to Sodus Bay-
424 PM EDT Sat Apr 14 2018

...GALE WARNING IN EFFECT THROUGH SUNDAY AFTERNOON...

.TONIGHT...Northeast gales to 35 knots. Freezing rain and sleet.
Waves 11 to 16 feet. Waves occasionally around 20 feet.
.SUNDAY...Northeast gales to 40 knots becoming east to 45 knots.
Freezing rain through early afternoon, then freezing rain and
rain late. Waves 12 to 17 feet building to 15 to 19 feet. Waves
occasionally around 24 feet.
.SUNDAY NIGHT...East gales to 45 knots diminishing to 35 knots.
Rain with a chance of thunderstorms. Waves 15 to 20 feet
subsiding to 12 to 16 feet. Waves occasionally around 26 feet.
.MONDAY...East winds to 30 knots becoming southwest and
diminishing to 5 to 15 knots in the afternoon. Rain with a chance
of thunderstorms in the morning, then rain in the afternoon.
Waves 8 to 11 feet subsiding to 1 to 3 feet. Waves occasionally
around 14 feet.
.MONDAY NIGHT...West winds 15 to 25 knots. Rain and snow showers
likely. Waves 1 to 3 feet building to 4 to 7 feet. Waves
occasionally around 9 feet.
.TUESDAY...West winds to 30 knots. A chance of rain and snow
showers. Waves 6 to 9 feet. Waves occasionally around 11 feet.
.WEDNESDAY...West winds 15 to 20 knots becoming southwest and
diminishing to 10 knots or less. A chance of rain showers
Wednesday night. Waves 4 to 7 feet subsiding to 3 to 5 feet.
Waves occasionally around 9 feet.
.THURSDAY...West winds 5 to 15 knots becoming north. A chance of
rain and snow showers. Waves 5 to 9 feet subsiding to 4 to
7 feet. Waves occasionally around 11 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ064-065-150315-
Lake Ontario open waters from Sodus Bay to the Saint Lawrence
River-
424 PM EDT Sat Apr 14 2018

...GALE WARNING IN EFFECT THROUGH SUNDAY AFTERNOON...

.TONIGHT...Northeast gales to 35 knots. Freezing rain and sleet.
Waves 8 to 12 feet. Waves occasionally around 15 feet.
.SUNDAY...Northeast gales to 35 knots becoming east and
diminishing to 30 knots in the afternoon. Freezing rain and sleet
early, then freezing rain, sleet and rain. Rain and freezing rain
late. Waves 7 to 11 feet subsiding to 6 to 9 feet. Waves
occasionally around 14 feet.
.SUNDAY NIGHT...East winds to 30 knots. Rain and freezing rain in
the evening, then rain with a chance of thunderstorms overnight.
Waves 5 to 9 feet. Waves occasionally around 11 feet.
.MONDAY...Southeast winds to 30 knots becoming west and
diminishing to 5 to 10 knots in the afternoon. Rain with a chance
of thunderstorms. Waves 5 to 8 feet subsiding to 2 feet or less.
Waves occasionally around 10 feet.
.MONDAY NIGHT...West winds 10 to 15 knots increasing to 15 to
20 knots. Rain showers with snow showers likely. Waves 2 feet or
less building to 4 to 7 feet. Waves occasionally around 9 feet.
.TUESDAY...West winds 15 to 25 knots. Rain and snow showers
likely during the day, then a chance of rain and snow showers
Tuesday night. Waves 5 to 9 feet. Waves occasionally around
11 feet.
.WEDNESDAY...West winds 15 to 20 knots becoming southwest and
diminishing to 10 knots or less. A chance of rain showers
Wednesday night. Waves 5 to 8 feet subsiding to 2 to 4 feet.
Waves occasionally around 10 feet.
.THURSDAY...West winds 5 to 15 knots becoming north. A chance of
rain and snow showers. Waves 5 to 9 feet subsiding to 4 to
7 feet. Waves occasionally around 11 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-150315-
MAFOR 1421/
ONTARIO WEST 1/2...GALE WARNING IN EFFECT...14150 11150 12250
11260. Waves 10 to 15 feet building to 12 to 16 feet, and
occasionally around 20 feet tonight. Waves 12 to 17 feet building
to 15 to 19 feet, and occasionally around 24 feet Sunday.

ONTARIO EAST 1/2...GALE WARNING IN EFFECT...15150 12256. Waves 10
to 14 feet, and occasionally around 15 feet.

$$



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