Great Lakes Forecast
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000
FZUS61 KBUF 202002
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
402 PM EDT Sun May 20 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 30.2 inch high will build from the Upper Great Lakes tonight to
the Lower Great Lakes Monday before drifting off the southern New
England coast Monday night. A weak 29.9 inch low will then move
across Lake Erie late Monday night and New York Tuesday. A 30.1
inch high will then build into the Great Lakes Wednesday and
Thursday before drifting off the southern New England coast
Friday.

LOZ062-210315-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
402 PM EDT Sun May 20 2018

.TONIGHT...West winds 5 to 15 knots. Waves 2 feet or less.
.MONDAY...West winds 10 knots or less becoming northwest. Waves
1 foot or less.
.MONDAY NIGHT...Northeast winds 10 knots or less becoming east
and increasing to 15 to 20 knots overnight. A chance of showers
in the evening, then showers with a chance of thunderstorms
overnight. Waves 1 foot or less.
.TUESDAY...East winds 15 to 20 knots becoming northwest and
diminishing to 5 to 10 knots. Showers with a chance of
thunderstorms in the morning, then a chance of showers and
thunderstorms in the afternoon. Waves 1 foot or less.
.TUESDAY NIGHT...West winds 5 to 10 knots. Waves 1 foot or less.
.WEDNESDAY...West winds 10 to 15 knots becoming northeast. Waves
1 to 3 feet.
.THURSDAY...Northeast winds 10 knots or less becoming southwest.
Waves 1 foot or less.
.FRIDAY...Southwest winds 5 to 15 knots. A chance of showers
Friday night. Waves 1 foot or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-210315-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
402 PM EDT Sun May 20 2018

.TONIGHT...West winds 5 to 15 knots. Waves 2 feet or less.
.MONDAY...West winds 5 to 10 knots becoming northwest. Waves
2 feet or less.
.MONDAY NIGHT...Northeast winds 10 knots or less becoming
southeast 10 to 15 knots. Showers overnight. Waves 1 foot or
less.
.TUESDAY...East winds 15 to 25 knots becoming northwest and
diminishing to 5 to 15 knots. Showers with thunderstorms likely
in the morning, then a chance of showers and thunderstorms in the
afternoon. Waves 1 foot or less.
.TUESDAY NIGHT...Northwest winds 5 to 15 knots becoming west. A
chance of showers in the evening. Waves 2 feet or less.
.WEDNESDAY...West winds 10 to 15 knots becoming north. Waves 1 to
3 feet.
.THURSDAY...North winds 5 to 10 knots becoming southwest. Waves
2 feet or less.
.FRIDAY...Southwest winds 5 to 15 knots. A chance of showers
Friday night. Waves 2 feet or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-210315-
MAFOR 2021/
ONTARIO WEST 1/2 12610 14600 11600 11700. Waves 2 feet or less.

ONTARIO EAST 1/2 13610 12600 11500 12600. Waves 2 feet or less.

$$


AR



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