860
FZUS61 KBUF 221446
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1046 AM EDT Wed May 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 29.3 inch low near Lake Superior will push a cold
front towards the lakes through tonight. A 29.9 inch high over
the Upper Mississippi Valley will then build east across the
Great Lakes region Thursday through Friday. A 29.5 inch low near
Lake Superior Friday night will weaken as it tracks into Southern
Quebec while sending a cold front through the lakes. A 29.9 inch
high will then build in Saturday night and remain over the area
through Sunday.

LOZ062-222130-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1046 AM EDT Wed May 22 2024

.THIS AFTERNOON...Southeast winds 5 to 10 knots becoming southwest
and increasing to 15 to 20 knots. Showers with a chance of
thunderstorms early. Showers and thunderstorms
likely late. Some thunderstorms may produce gusty winds. Waves 1
to 3 feet building to 2 to 4 feet.
.TONIGHT...Southwest winds 15 to 20 knots becoming west 10 to
15 knots. A chance of showers and thunderstorms in the evening,
then a chance of showers after midnight. Waves 2 to 4 feet
subsiding to 1 to 3 feet.
.THURSDAY...West winds 5 to 10 knots becoming southwest. Waves
1 to 2 feet.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Waves around
1 foot.
.FRIDAY...Southwest winds 5 to 15 knots becoming east. Waves
2 feet or less.
.SATURDAY...East winds 5 to 15 knots becoming southwest less than
10 knots. A chance of showers and thunderstorms. Waves 2 feet or
less.
.SUNDAY...Southwest winds 10 knots or less becoming east. A
chance of showers Sunday night. Waves 1 foot or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-222130-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1046 AM EDT Wed May 22 2024

.THIS AFTERNOON...South winds 5 to 15 knots becoming southwest. A
chance of showers and thunderstorms early. Showers
and thunderstorms late. Some thunderstorms may produce gusty
winds. Waves 1 foot or less.
.TONIGHT...Southwest winds 10 to 15 knots becoming west. Showers
and thunderstorms early, then a chance of showers and
thunderstorms late in the evening. Showers and thunderstorms
likely after midnight. Some thunderstorms may produce gusty winds
early. Waves 2 feet or less.
.THURSDAY...West winds 5 to 10 knots becoming southwest. A chance
of showers in the morning. Waves 1 to 2 feet.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Waves 1 foot or
less.
.FRIDAY...Southwest winds 5 to 15 knots becoming northeast. Waves
2 feet or less.
.SATURDAY...East winds 10 knots or less becoming southwest. A
chance of showers and thunderstorms. Waves 2 feet or less.
.SUNDAY...Southwest winds 5 to 10 knots becoming southeast. A
chance of showers Sunday night. Waves 1 foot or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-222130-
MAFOR 2215/
ONTARIO WEST 1/2 11410 12519 12510 11610 12600. Waves 1 to 3 feet
building to 2 to 4 feet this afternoon. Waves 2 to 4 feet
subsiding to 1 to 3 feet tonight. Waves 1 to 2 feet Thursday
morning.

ONTARIO EAST 1/2 11410 11409 11509 11400 12500 12600. Waves 2
feet or less.

$$