Great Lakes Forecast
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545
FZUS61 KBUF 210246
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1046 PM EDT Thu Jun 20 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 30.4 high centered east of the Carolinas will
slowly weaken to 30.1 inches over the weekend and drift away from
the coast. A 29.3 inch low will pass north of the lake late
Sunday followed by a 30.0 inch sfc high that will build into the
region early next week.

LOZ062-210915-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1046 PM EDT Thu Jun 20 2024

.OVERNIGHT...Northwest winds less than 10 knots becoming north. A
chance of showers and thunderstorms. Waves 1 foot or less.
.FRIDAY...Northeast winds 10 knots or less becoming east. A
chance of showers and thunderstorms. Waves 1 foot or less.
.FRIDAY NIGHT...East winds 5 to 10 knots becoming light and
variable. A chance of showers and thunderstorms. Waves 1 foot or
less.
.SATURDAY...Southwest winds 10 knots or less becoming northeast.
A chance of showers and thunderstorms in the morning, then
showers likely with a chance of thunderstorms in the afternoon.
Waves 1 foot or less.
.SATURDAY NIGHT...East winds 10 to 15 knots becoming south.
Showers likely with a chance of thunderstorms. Waves 1 to 2 feet.
.SUNDAY...Southwest winds 15 to 25 knots becoming west. Showers
and thunderstorms likely. Waves 2 to 4 feet.
.MONDAY...West winds 10 to 15 knots. Waves 1 to 3 feet.
.TUESDAY...Southwest winds 10 to 15 knots. A chance of showers
Tuesday night. Waves 1 to 2 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-210915-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1046 PM EDT Thu Jun 20 2024

.OVERNIGHT...Northwest winds less than 10 knots becoming north. A
chance of showers. Waves 1 foot or less.
.FRIDAY...North winds 5 to 10 knots becoming northeast. A chance
of showers and thunderstorms early. Waves 1 foot or less.
.FRIDAY NIGHT...Northeast winds 10 knots or less becoming
southwest. A chance of showers and thunderstorms overnight. Waves
2 feet or less.
.SATURDAY...Southwest winds 10 knots or less becoming northeast.
A chance of showers and thunderstorms. Waves 1 foot or less.
.SATURDAY NIGHT...Northeast winds 5 to 10 knots becoming south.
Showers likely with a chance of thunderstorms. Waves 2 feet or
less.
.SUNDAY...South winds 15 to 20 knots becoming west. Showers and
thunderstorms likely. Waves 2 to 4 feet.
.MONDAY...West winds 15 to 20 knots. A chance of showers. Waves 1
to 3 feet.
.TUESDAY...Southwest winds 10 to 15 knots. A chance of showers
Tuesday night. Waves 2 feet or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-210915-
MAFOR 2103/
ONTARIO WEST 1/2 11700 11800 14100 12200. A chance of showers
overnight. A chance of showers and thunderstorms Friday morning.
Waves 1 foot or less.

ONTARIO EAST 1/2 11700 15800 11100. A chance of showers and
thunderstorms Friday morning. Waves 1 foot or less.

$$