817
FZUS61 KBUF 230210
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1010 PM EDT Sat Jun 22 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
Sunday. The low will deepen to 29.4 inches during the day Sunday
while passing to the north of the lake. The low will push a cold
front across the region late Sunday 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.

LOZ062-230915-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1010 PM EDT Sat Jun 22 2024

.OVERNIGHT...East winds 15 to 20 knots becoming south 10 to 15
knots. A chance of showers and thunderstorms late this evening,
then JUST a chance of showers after 1 AM. Waves 1 to 3 feet.
.SUNDAY...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 2 feet building to 3 to 5 feet.
.SUNDAY NIGHT...West winds 15 to 20 knots diminishing to 10 to
15 knots. Waves 3 to 5 feet subsiding to 2 to 4 feet.
.MONDAY...Northwest winds 10 to 15 knots becoming west. A chance
of showers in the morning. Waves 2 to 4 feet subsiding to 1 to
3 feet.
.MONDAY NIGHT...West winds 5 to 10 knots. Waves 1 to 3 feet.
.TUESDAY...Southwest winds 10 to 15 knots. A chance of showers
Tuesday night. Waves 2 feet or less.
.WEDNESDAY...Southwest winds 10 to 15 knots becoming northwest.
Showers likely with a chance of thunderstorms. Waves 1 to 2 feet.
.THURSDAY...North winds 5 to 10 knots. Waves 1 to 2 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-230915-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1010 PM EDT Sat Jun 22 2024

.OVERNIGHT...East winds 10 to 15 knots becoming south. A chance
of showers and thunderstorms late this evening, then showers
likely with a chance of thunderstorms late. Waves 2 feet or less.
.SUNDAY...Southwest winds increasing to 15 to 20 knots. A chance
of showers and thunderstorms early, then showers with a chance of
thunderstorms from late morning on. Some thunderstorms may produce
gusty winds. Waves 1 to 3 feet building to 3 to 5 feet.
.SUNDAY NIGHT...Southwest winds 10 to 15 knots becoming west. A
chance of showers. Waves 3 to 5 feet subsiding to 2 to 4 feet.
.MONDAY...Northwest winds 15 to 20 knots becoming west 10 to
15 knots. A chance of showers. Waves 2 to 4 feet.
.MONDAY NIGHT...West winds 10 to 15 knots. Waves 2 to 4 feet
subsiding to 1 to 3 feet.
.TUESDAY...Southwest winds 10 to 15 knots. A chance of showers
Tuesday night. Waves 2 feet or less.
.WEDNESDAY...Southwest winds 10 to 15 knots. Showers likely with
a chance of thunderstorms. Waves 1 to 2 feet.
.THURSDAY...North winds 10 to 15 knots. Waves 2 feet or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-230915-
MAFOR 2303/
ONTARIO WEST 1/2 11310 11400 11510 11516 11526 11520 12620. A
chance of thunderstorms late this evening and Sunday. Waves 1 to
2 feet overnight. Waves 1 to 2 feet building to 3 to 5 feet
Sunday. Waves 3 to 5 feet Sunday evening.

ONTARIO EAST 1/2 11200 11406 11410 12516 12510 11620. A chance of
thunderstorms overnight and Sunday. Waves 1 foot or less
overnight. Waves 1 to 3 feet building to 3 to 5 feet Sunday.
Waves 3 to 5 feet Sunday evening.

$$