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 110836
GLFLO

GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
330 AM EST Mon Dec 11 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 weak ridge of high pressure averaging 30.0 inches will
move across the lake Monday. Another 29.6 inch low will drop across
the lower Great Lakes Tuesday. 30.1 inch high pressure will build
briefly across the lower lakes Wednesday night and Thursday.

LOZ062-111600-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
330 AM EST Mon Dec 11 2017

.TODAY...North winds 15 to 20 knots becoming southeast and
diminishing to 5 to 10 knots. Scattered flurries early, then
scattered snow showers early. Scattered snow showers late. Waves
3 to 5 feet subsiding to 1 to 3 feet.
.TONIGHT...Southeast winds 10 to 15 knots increasing to 15 to
20 knots. Snow. Waves 1 to 3 feet building to 2 to 4 feet.
.TUESDAY...East winds 10 to 15 knots becoming northwest 15 to
20 knots. Snow. Waves 1 to 3 feet building to 2 to 4 feet.
.TUESDAY NIGHT...Northwest winds 15 to 25 knots. Lake effect
snow. Waves 3 to 6 feet.
.WEDNESDAY...Northwest winds to 30 knots diminishing to 15 to
20 knots. Lake effect snow showers. Waves 3 to 6 feet subsiding
to 2 to 4 feet.
.THURSDAY...Northeast winds 10 to 15 knots becoming south. A
chance of snow showers. Waves 1 to 3 feet.
.FRIDAY...Southwest winds 10 to 15 knots becoming west. A chance
of snow showers. Waves 2 to 4 feet.

$$

LOZ063>065-111600-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
330 AM EST Mon Dec 11 2017

.TODAY...Northwest winds 15 to 20 knots becoming southeast and
diminishing to 10 knots or less this morning. Lake effect snow
showers likely early, then scattered snow showers this morning.
Waves 4 to 7 feet subsiding to 2 to 4 feet. Waves occasionally
around 9 feet.
.TONIGHT...Southeast winds 10 to 15 knots increasing to 15 to
20 knots. Snow. Waves 2 feet or less building to 2 to 4 feet.
.TUESDAY...Southeast winds 15 to 20 knots becoming west. Snow.
Waves 2 to 4 feet.
.TUESDAY NIGHT...Northwest winds 15 to 25 knots. Lake effect snow
in the evening, then lake effect snow showers overnight. Waves
3 to 6 feet building to 5 to 8 feet. Waves occasionally around
10 feet.
.WEDNESDAY...West gales to 35 knots becoming northwest and
diminishing to 15 to 20 knots. Lake effect snow showers. Waves
5 to 8 feet subsiding to 3 to 6 feet. Waves occasionally around
10 feet.
.THURSDAY...North winds 10 to 15 knots becoming south 15 to
20 knots. A chance of snow showers. Waves 2 to 4 feet subsiding
to 1 to 3 feet.
.FRIDAY...South winds 10 to 15 knots becoming west. A chance of
snow showers. Waves 1 to 3 feet building to 3 to 5 feet.

$$

LOZ061-111600-
MAFOR 1110/
ONTARIO WEST 1/2 11820 11810 11100 11300 13317 11327. Scattered
snow showers today. Waves 3 to 5 feet subsiding to 1 to 3 feet
today. Waves 1 to 3 feet building to 2 to 4 feet tonight.

ONTARIO EAST 1/2 11720 11710 11700 11200 11310 11317 12327.
Scattered lake effect snow showers this morning. Waves 3 to 6
feet subsiding to 2 to 4 feet today. Waves 2 feet or less
building to 2 to 4 feet tonight.

$$



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