Great Lakes Forecast
Issued by NWS

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29
471
FZUS61 KBUF 132050
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
450 PM EDT Thu Jun 13 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 area of low pressure will cross central
Quebec, with its cold front dropping southward across the lake
tonight into early Friday morning. An expansive area of high
pressure centered over the Upper Great Lakes Friday night will
slowly cross Lake Ontario Saturday and Sunday.

LOZ062-140315-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
450 PM EDT Thu Jun 13 2024

.TONIGHT...Southwest winds 15 to 20 knots becoming west and
diminishing to 5 to 10 knots. A chance of showers early, then
showers likely with a chance of thunderstorms. A chance of
showers late. Waves 3 to 5 feet subsiding to 1 to 3 feet.
.FRIDAY...West winds 5 to 10 knots. Waves 2 feet or less.
.FRIDAY NIGHT...Northwest winds 10 to 15 knots becoming north.
Waves 2 feet or less.
.SATURDAY...Northeast winds 5 to 15 knots becoming south less
than 10 knots. Waves 2 feet or less.
.SATURDAY NIGHT...South winds 10 knots or less becoming
southeast. Waves 1 foot or less.
.SUNDAY...East winds 5 to 10 knots becoming southeast. Waves
2 feet or less.
.MONDAY...South winds 5 to 15 knots becoming southwest. Waves
1 to 2 feet.
.TUESDAY...Southwest winds 5 to 10 knots. Waves 2 feet or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-140315-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
450 PM EDT Thu Jun 13 2024

.TONIGHT...Southwest winds 15 to 20 knots diminishing to 5 to
10 knots. Showers likely with a chance of thunderstorms from late
evening on. Waves 2 to 4 feet subsiding to 1 to 3 feet.
.FRIDAY...West winds 5 to 10 knots. A chance of showers in the
morning. Waves 1 to 3 feet.
.FRIDAY NIGHT...West winds 5 to 15 knots becoming north. Waves
1 to 3 feet.
.SATURDAY...Northeast winds 5 to 15 knots becoming west. Waves
1 to 3 feet.
.SATURDAY NIGHT...West winds 10 knots or less becoming southeast.
Waves 1 foot or less.
.SUNDAY...Southeast winds 5 to 15 knots. Waves 2 feet or less.
.MONDAY...South winds 5 to 15 knots. Waves 2 feet or less.
.TUESDAY...South winds 5 to 10 knots. Waves 1 foot or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-140315-
MAFOR 1321/
ONTARIO WEST 1/2 12520 11526 14600 11600. A chance of
thunderstorms this evening. Waves 2 to 4 feet building to 3 to 5
feet, then subsiding to 1 to 3 feet tonight. Waves 2 feet or less
Friday.

ONTARIO EAST 1/2 12510 11526 11516 14600. A chance of
thunderstorms tonight. Waves 1 to 3 feet building to 2 to 4 feet,
then subsiding to 1 to 3 feet tonight. Waves 1 to 3 feet Friday.

$$

AR