241
FZUS61 KBUF 230815
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
415 AM EDT Sun Jun 23 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 29.6 inch low over the Upper Great Lakes will push
a frontal boundary northward to the Quebec border by daybreak
today. The low will deepen to 29.4 inches throughout the rest of
today while passing to the north of the lake. A cold front will
move across the region late this afternoon and evening. A 30.0
inch high centered over the Ohio Valley on Monday will extend
northwards across the Great Lakes. The axis of the high pressure
will cross the lake Monday night and Tuesday. The next cold front
will then cross the lake Wednesday. Another 30.0 inch high will
then build across the central Great Lakes and into the lower Lakes
Thursday.

LOZ062-231515-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
415 AM EDT Sun Jun 23 2024

.TODAY...Southwest winds 10 to 15 knots increasing to 15 to
20 knots. Showers likely with a chance of thunderstorms through
early afternoon, then a chance of showers late. Some
thunderstorms may produce gusty winds through early afternoon.
Waves 1 to 3 feet building to 3 to 5 feet.
.TONIGHT...West winds 15 to 20 knots becoming northwest. A chance
of showers early. A chance of showers late. Waves 3 to 5 feet.
.MONDAY...Northwest winds 15 to 20 knots becoming west and
diminishing to 5 to 10 knots. A chance of showers. Waves 2 to
4 feet subsiding to 1 to 3 feet.
.MONDAY NIGHT...West winds 5 to 15 knots. Waves 1 to 2 feet.
.TUESDAY...Southwest winds 5 to 15 knots. A chance of showers
Tuesday night. Waves 1 to 3 feet.
.WEDNESDAY...Southwest winds 5 to 15 knots becoming northwest. A
chance of showers. Waves 1 to 3 feet.
.THURSDAY...North winds 5 to 10 knots becoming northeast. Waves
2 feet or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-231515-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
415 AM EDT Sun Jun 23 2024

.TODAY...South winds 10 to 15 knots becoming southwest 15 to
20 knots. Showers with a chance of thunderstorms. Some
thunderstorms may produce gusty winds. Waves 1 to 3 feet building
to 3 to 5 feet.
.TONIGHT...Southwest winds 15 to 20 knots becoming west. A chance
of showers in the evening. A chance of showers late. Waves 3 to
5 feet.
.MONDAY...Northwest winds 15 to 25 knots. Showers likely in the
morning, then a chance of showers in the afternoon. Waves 3 to
5 feet subsiding to 1 to 3 feet.
.MONDAY NIGHT...West winds 5 to 10 knots. A chance of showers in
the evening. Waves 1 to 3 feet subsiding to 1 foot or less.
.TUESDAY...West winds 5 to 15 knots becoming southwest. A chance
of showers Tuesday night. Waves 1 to 3 feet.
.WEDNESDAY...South winds 10 to 15 knots becoming northwest.
Showers likely. Waves 1 to 3 feet.
.THURSDAY...North winds 5 to 15 knots becoming northeast. Waves
2 feet or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-231515-
MAFOR 2309/
ONTARIO WEST 1/2 11510 12526 11520 13620 11610. A chance of
thunderstorms today. Waves 1 to 3 feet building to 3 to 5 feet
today. Waves 3 to 5 feet tonight.

ONTARIO EAST 1/2 11416 12516 12526 12620 11610. A chance of
thunderstorms today. Waves 1 to 3 feet building to 2 to 4 feet
today. Waves 2 to 4 feet building to 3 to 5 feet tonight.

$$

EAJ