Great Lakes Forecast
Issued by NWS

Home | Current Version | Previous Version | Graphics & Text | 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 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
000
FZUS61 KBUF 202025
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
425 PM EDT Fri Oct 20 2017

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 30.4 inch high over the Mid Atlantic states will
remain in place through Sunday. A cold front is then forecast to
move into the eastern Great Lakes late Monday.

LOZ062-210300-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
425 PM EDT Fri Oct 20 2017

.TONIGHT...Southwest winds 5 to 10 knots. Waves 2 feet or less.
.SATURDAY...Southwest winds 10 knots or less becoming southeast.
Waves 2 feet or less.
.SATURDAY NIGHT...Southeast winds 10 knots or less becoming
south. Waves 1 foot or less.
.SUNDAY...South winds 5 to 10 knots becoming southeast. Waves
1 foot or less.
.SUNDAY NIGHT...Southeast winds 5 to 15 knots becoming south.
Waves 2 feet or less.
.MONDAY...Southwest winds 10 to 15 knots becoming south. A chance
of showers during the day, then occasional rain Monday night.
Waves 1 to 2 feet.
.TUESDAY...South winds 10 to 15 knots becoming southwest 15 to
20 knots. Occasional rain during the day, then scattered showers
Tuesday night. Waves 1 to 3 feet building to 2 to 4 feet.
.WEDNESDAY...West winds 15 to 20 knots diminishing to 10 to
15 knots. A chance of showers during the day. Waves 2 to 4 feet.

$$

LOZ063>065-210300-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
425 PM EDT Fri Oct 20 2017

.TONIGHT...Southwest winds 5 to 10 knots. Waves 2 feet or less.
.SATURDAY...Southwest winds 5 to 10 knots becoming southeast.
Waves 2 feet or less.
.SATURDAY NIGHT...Southeast winds 5 to 15 knots becoming south.
Waves 1 to 3 feet.
.SUNDAY...South winds 5 to 15 knots. Waves 1 to 3 feet.
.SUNDAY NIGHT...South winds 15 to 20 knots. Waves 1 to 3 feet
building to 2 to 4 feet.
.MONDAY...South winds 15 to 20 knots. Rain likely Monday night.
Waves 2 to 4 feet.
.TUESDAY...South winds 15 to 20 knots becoming southwest.
Occasional rain. Waves 3 to 5 feet subsiding to 2 to 4 feet.
.WEDNESDAY...Southwest winds 15 to 20 knots becoming west 10 to
15 knots. A chance of showers during the day, then showers likely
Wednesday night. Waves 3 to 5 feet subsiding to 2 to 4 feet.

$$

LOZ061-210300-
MAFOR 2021/
ONTARIO WEST 1/2 15500 11500 11400. Waves 2 feet or less.

ONTARIO EAST 1/2 11500 12400 13500 12400. Waves 2 feet or less.

$$

JJR/RSH/TMA



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.