Great Lakes Forecast
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FZUS61 KBUF 231903 CCA
GLFLO

Open Lake Forecast for Lake Ontario...CORRECTED
National Weather Service Buffalo NY
303 PM EDT Thu May 23 2019

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 north of Georgian Bay will track to
the north of the lake this evening, while pivoting its trailing
cold front across the lake. A 30.2 inch high will then build
across the Lower Lakes on Friday, before another 29.7 inch low
tracks across southern Canada and swings its trailing cold front
across the lake on Saturday. A 30.1 inch area of high pressure
will build towards the lake Sunday, with its center crossing the
lake Monday.

LOZ062-240330-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
303 PM EDT Thu May 23 2019

.TONIGHT...Southwest winds 15 to 20 knots becoming west. A chance
of showers and thunderstorms early. Waves 1 to 3 feet building to
3 to 5 feet.
.FRIDAY...Northwest winds 15 to 20 knots becoming west 10 to
15 knots. Waves 3 to 5 feet subsiding to 1 to 3 feet.
.FRIDAY NIGHT...Southwest winds 10 knots or less becoming south.
A chance of showers and thunderstorms overnight. Waves 2 feet or
less.
.SATURDAY...Southeast winds 10 knots or less becoming south.
Showers likely with a chance of thunderstorms. Waves 1 foot or
less.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. A chance of
showers and thunderstorms in the evening. Waves 1 to 2 feet.
.SUNDAY...Southwest winds 5 to 15 knots becoming northeast. A
chance of showers and thunderstorms during the day. Waves 1 to
2 feet.
.MONDAY...North winds 10 knots or less becoming east. A chance of
showers Monday night. Waves 1 foot or less.
.TUESDAY...Southeast winds around 10 knots becoming southwest. A
chance of showers and thunderstorms. Waves 1 to 2 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-240330-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
303 PM EDT Thu May 23 2019

.TONIGHT...South winds 5 to 10 knots becoming west and increasing
to 15 to 20 knots. A chance of showers and thunderstorms early.
Waves 1 foot or less building to 3 to 6 feet.
.FRIDAY...West winds 15 to 20 knots diminishing to 10 to
15 knots. Waves 3 to 6 feet subsiding to 1 to 3 feet.
.FRIDAY NIGHT...West winds 5 to 15 knots becoming south 10 knots
or less. A chance of showers and thunderstorms overnight. Waves
1 to 3 feet subsiding to 1 foot or less.
.SATURDAY...Southeast winds 5 to 15 knots becoming south. Showers
likely with a chance of thunderstorms. Waves 2 feet or less.
.SATURDAY NIGHT...South winds 5 to 15 knots becoming southwest.
Showers likely with a chance of thunderstorms in the evening.
Waves 1 to 3 feet.
.SUNDAY...Southwest winds 5 to 15 knots becoming north 15 to
20 knots. A chance of showers and thunderstorms during the day.
Waves 1 to 3 feet.
.MONDAY...Northwest winds 10 knots or less becoming east. Waves
1 foot or less.
.TUESDAY...Southeast winds around 10 knots becoming northwest. A
chance of showers and thunderstorms. Waves 2 feet or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-240330-
MAFOR 2321/
ONTARIO WEST 1/2 11620 11610 13620 11720 12610. A chance of
showers and thunderstorms early, then a chance of showers this
evening. Waves 3 to 5 feet tonight. Waves 3 to 5 feet subsiding
to 1 to 3 feet Friday.

ONTARIO EAST 1/2 15620 12610. A chance of showers and
thunderstorms early, then a chance of showers this evening. Waves
1 to 3 feet building to 3 to 6 feet tonight. Waves 3 to 6 feet
subsiding to 1 to 3 feet Friday.

$$

AR/JJR/SW


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