Great Lakes Forecast
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431
FZUS61 KBUF 051951
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
351 PM EDT Fri Jul 5 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...A 29.7 inch low over lower Michigan will move across
the lower Great Lakes through Saturday before moving down the
Saint Lawrence Valley Sunday. A cold front from this low will
cross the lake late Friday night. A 30.1 inch high will build into
the Ohio Valley and New England Sunday night through Monday
before drifting off the east coast Tuesday. A 29.7 inch area of
low pressure will lift across the Central Great Lakes Tuesday
night, with a warm front extending towards the lake. As this low
moves across southern Quebec Wednesday a cold front will cross the
lake early in the day.

LOZ062-060315-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
351 PM EDT Fri Jul 5 2024

.TONIGHT...Light and variable winds becoming east 5 to 10 knots.
A chance of showers and thunderstorms. Waves 1 foot or less.
.SATURDAY...East winds 10 knots or less becoming west. A chance
of showers and thunderstorms early. Waves 1 foot or less.
.SATURDAY NIGHT...West winds 5 to 10 knots. Waves 2 feet or less.
.SUNDAY...West winds 10 knots or less becoming southwest. Waves
1 foot or less.
.SUNDAY NIGHT...Light and variable winds. Waves 1 foot or less.
.MONDAY...Southwest winds 10 knots or less becoming southeast.
Waves 1 foot or less.
.TUESDAY...Southeast winds 10 knots or less becoming west.
Showers likely with a chance of thunderstorms. Waves 2 feet or
less.
.WEDNESDAY...West winds 5 to 10 knots. A chance of showers during
the day. Waves 1 to 2 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-060315-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
351 PM EDT Fri Jul 5 2024

.TONIGHT...Northeast winds 10 knots or less increasing to 10 to
15 knots. A chance of showers and thunderstorms early, then
showers likely with a chance of thunderstorms from late evening
on. Waves 1 to 3 feet.
.SATURDAY...Northeast winds 5 to 10 knots becoming west. Showers
likely with a chance of thunderstorms early, then a chance of
showers and thunderstorms late in the morning. Waves 2 feet or
less.
.SATURDAY NIGHT...West winds 5 to 15 knots becoming southwest.
Waves 2 feet or less.
.SUNDAY...West winds 5 to 10 knots. Waves 1 to 2 feet.
.SUNDAY NIGHT...Southwest winds 10 knots or less becoming south.
Waves 1 foot or less.
.MONDAY...Southeast winds 10 knots or less. Waves 1 foot or less.
.TUESDAY...South winds 5 to 10 knots becoming west. A chance of
showers and thunderstorms during the day, then showers likely
with a chance of thunderstorms Tuesday night. Waves 2 feet or
less.
.WEDNESDAY...West winds 5 to 10 knots. A chance of showers. Waves
1 to 2 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-060315-
MAFOR 0521/
ONTARIO WEST 1/2 11100 11200 11300 12200 11100 11200 11500. A
chance of showers and thunderstorms tonight and Saturday morning.
Waves 1 foot or less.

ONTARIO EAST 1/2 11100 11800 11816 11116 11100 11200 11300 11600.
A chance of thunderstorms tonight and Saturday morning. Waves 1
to 3 feet tonight. Waves 2 feet or less Saturday.

$$