Great Lakes Forecast
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000
FZUS61 KBUF 212016
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
416 PM EDT Mon May 21 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 30.3 inch high across the lower Great Lakes will drift off the
southern New England coast tonight. A weak 29.9 inch low will then
move across Lake Erie late tonight and across 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.

LOZ062-220315-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
416 PM EDT Mon May 21 2018

.TONIGHT...Northeast winds 5 to 15 knots becoming east. Showers
after midnight. Waves 1 to 3 feet.
.TUESDAY...East winds 15 to 20 knots becoming north 5 to
15 knots. Showers early, then a chance of showers late in the
morning. Waves 2 to 4 feet.
.TUESDAY NIGHT...Northwest winds 10 knots or less becoming west.
Waves 1 to 2 feet.
.WEDNESDAY...West winds 10 to 15 knots. Waves 1 to 3 feet.
.WEDNESDAY NIGHT...Northwest winds 5 to 15 knots becoming north
less than 10 knots. Waves 1 to 3 feet subsiding to 1 foot or
less.
.THURSDAY...Light and variable winds becoming southwest 5 to
10 knots. Waves 2 feet or less.
.FRIDAY...Southwest winds 10 to 15 knots. Waves 1 to 3 feet.
.SATURDAY...Southwest winds 5 to 10 knots becoming south. A
chance of showers and thunderstorms. Waves 2 feet or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-220315-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
416 PM EDT Mon May 21 2018

.TONIGHT...Southeast winds 10 knots or less becoming east 10 to
15 knots. Showers with a chance of thunderstorms late. Waves
2 feet or less.
.TUESDAY...East winds 15 to 20 knots becoming north and
diminishing to 5 to 10 knots. Showers in the morning, then
showers likely with a chance of thunderstorms early in the
afternoon. A chance of showers late. Waves 1 to 3 feet building
to 2 to 4 feet, then subsiding to 1 to 3 feet.
.TUESDAY NIGHT...Northwest winds 5 to 10 knots becoming west.
Waves 2 feet or less.
.WEDNESDAY...West winds 10 to 15 knots increasing to 15 to
20 knots. Waves 1 to 3 feet building to 2 to 4 feet.
.WEDNESDAY NIGHT...West winds 15 to 20 knots becoming north 5 to
15 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet.
.THURSDAY...North winds 10 knots or less becoming southwest.
Waves 2 feet or less.
.FRIDAY...Southwest winds 10 to 15 knots. Waves 1 to 3 feet.
.SATURDAY...West winds 10 knots or less becoming south. A chance
of showers and thunderstorms. Waves 2 feet or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-220315-
MAFOR 2121/
ONTARIO WEST 1/2 11700 11200 11210 11216 11226 11220 11110 11100.
A chance of thunderstorms overnight. Waves 1 to 3 feet tonight.
Waves 2 to 4 feet Tuesday.

ONTARIO EAST 1/2 11500 12300 11206 11216 11226 11220 11210. A
chance of thunderstorms overnight. Waves 2 feet or less tonight.
Waves 1 to 3 feet Tuesday.

$$


AR


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