Great Lakes Forecast
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434
FZUS61 KBUF 170554
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
154 AM EDT Fri May 17 2024

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...An expansive 30.2 inch surface high will slowly cross
northern Quebec tonight. The axis of the surface high will move
across the Canadian Maritimes on Friday. An upper level
disturbance will cross the Lake Friday night and early Saturday. A
large disorganized storm system over the Upper Ohio Valley
Saturday night will pass over the Carolinas and Mid Atlantic
region on Sunday. High pressure averaging 30.1 inches will be
centered over New England on Monday. This high will slide towards
Atlantic Canada Tuesday as an area of low pressure deepening to
29.3 inches lifts from the Plains to the western Great Lakes.

LOZ062-170930-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
154 AM EDT Fri May 17 2024

.OVERNIGHT...Northeast winds 10 knots or less becoming
east. Waves 1 foot or less.
.FRIDAY...East winds 5 to 10 knots. A chance of showers early in
the afternoon. Showers with a chance of thunderstorms late. Waves
2 feet or less.
.FRIDAY NIGHT...East winds 5 to 10 knots. Showers with a chance
of thunderstorms in the evening, then a chance of showers
overnight. Waves 2 feet or less.
.SATURDAY...East winds 5 to 10 knots. Waves 1 foot or less.
.SATURDAY NIGHT...East winds 10 knots or less becoming northeast.
Waves 1 foot or less.
.SUNDAY...East winds less than 10 knots becoming southeast. Waves
1 foot or less.
.MONDAY...South winds 10 knots or less. Waves 1 foot or less.
.TUESDAY...South winds 5 to 15 knots. Waves 1 to 3 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-170930-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
154 AM EDT Fri May 17 2024

.OVERNIGHT...Southeast winds 10 knots or less. Waves 1 foot
or less.
.FRIDAY...Southeast winds 5 to 10 knots. A chance of showers
early in the afternoon. Showers likely with a chance of
thunderstorms late. Waves 2 feet or less.
.FRIDAY NIGHT...Southeast winds 5 to 15 knots. Showers with a
chance of thunderstorms. Waves 2 feet or less.
.SATURDAY...Southeast winds 5 to 15 knots becoming east. A chance
of showers in the morning. Waves 2 feet or less.
.SATURDAY NIGHT...East winds 5 to 10 knots. Waves 1 foot or less.
.SUNDAY...East winds less than 10 knots becoming south. Waves
1 foot or less.
.MONDAY...South winds 10 knots or less. Waves 1 foot or less.
.TUESDAY...South winds 5 to 15 knots. Waves 1 to 3 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-170930-
MAFOR 1703/
ONTARIO WEST 1/2 14200 11200 13206. A chance of thunderstorms
Friday afternoon and Friday evening. Waves 2 feet or less.

ONTARIO EAST 1/2 15300 11300 11306. A chance of thunderstorms
Friday evening. Waves 2 feet or less.

$$