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 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
000
FZUS61 KBUF 181743
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1243 PM EST Thu Jan 18 2018

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 29.5 inch low will move east across northern Quebec
and Labrador this afternoon. Meanwhile an expansive 30.8 inch
high centered over the lower Mississippi Valley will drift across
the southeastern states through Friday, before settling off the
southeast coast Saturday and Sunday. At the same time, a 29.2 inch
low will track from northern Ontario to Labrador from Friday
through Saturday night.

LOZ062-182200-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1243 PM EST Thu Jan 18 2018

.THIS AFTERNOON...West winds 20 to 25 knots becoming southwest.
Waves 5 to 8 feet. Waves occasionally around 10 feet.
.TONIGHT...Southwest winds 20 to 25 knots becoming west.
Scattered snow showers. Scattered flurries late. Waves 4 to
7 feet. Waves occasionally around 9 feet.
.FRIDAY...Southwest winds 15 to 25 knots. Waves 3 to 6 feet.
.FRIDAY NIGHT...Southwest winds 15 to 25 knots increasing to
30 knots. Waves 3 to 6 feet building to 7 to 10 feet. Waves
occasionally around 13 feet.
.SATURDAY...Southwest winds to 30 knots becoming west 15 to
25 knots. Waves 6 to 10 feet subsiding to 3 to 5 feet. Waves
occasionally around 13 feet.
.SUNDAY...West winds 10 to 15 knots becoming east and increasing
to 15 to 25 knots. A chance of rain Sunday night. Waves 1 to
3 feet building to 3 to 6 feet.
.MONDAY...East winds 15 to 25 knots becoming southwest. A chance
of rain during the day, then rain likely Monday night. Waves 3 to
6 feet subsiding to 3 to 5 feet.

$$

LOZ063>065-182200-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1243 PM EST Thu Jan 18 2018

.THIS AFTERNOON...West winds 15 to 25 knots. Scattered lake effect
snow showers early, then lake effect snow late east end. Waves 5
to 8 feet. Waves occasionally around 10 feet.
.TONIGHT...West winds 15 to 25 knots. Lake effect snow east end.
Waves 4 to 7 feet. Waves occasionally around 9 feet.
.FRIDAY...West winds 15 to 25 knots becoming southwest. Snow
showers likely in the morning, then scattered snow showers in the
afternoon. Waves 4 to 7 feet subsiding to 3 to 6 feet. Waves
occasionally around 9 feet.
.FRIDAY NIGHT...Southwest winds 15 to 25 knots increasing to
30 knots. Waves 3 to 5 feet building to 6 to 9 feet. Waves
occasionally around 11 feet.
.SATURDAY...Southwest winds to 30 knots becoming west 15 to
25 knots. Waves 7 to 10 feet subsiding to 3 to 6 feet. Waves
occasionally around 13 feet.
.SUNDAY...West winds 5 to 15 knots becoming east and increasing
to 15 to 25 knots. A chance of rain and snow Sunday night. Waves
2 to 4 feet building to 3 to 5 feet.
.MONDAY...Southeast winds 15 to 25 knots becoming southwest. Rain
and snow likely during the day, then rain likely Monday night.
Waves 3 to 6 feet building to 4 to 7 feet, then subsiding to 3 to
6 feet. Waves occasionally around 9 feet.

$$

LOZ061-182200-
MAFOR 1819 AMD/
ONTARIO WEST 1/2 14530 12630 11530. Scattered snow showers
tonight. Waves 5 to 8 feet, and occasionally around 10 feet.

ONTARIO EAST 1/2 12637 11627 11527 11537 11630 11620. Waves 5 to
8 feet, and occasionally around 10 feet this afternoon. Waves 4 to
7 feet, and occasionally around 9 feet tonight. Waves 4 to 7 feet
subsiding to 3 to 6 feet, and occasionally around 9 feet Friday
morning.

$$

HITCHCOCK/JJR/SMITH


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