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 122128
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
428 PM EST Fri Jan 12 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 complex storm system will develop over the Mid
Atlantic region this evening...while a 30.8 inch arctic high will
build across the northern plains. As the storm system moves north
along the New England coast on Saturday...the arctic high will
build across the upper Mississippi Valley. This high will drift
east across the Ohio Valley and Lower Great Lakes Saturday night
and Sunday. The heart of the high pressure system will move across
Quebec Sunday night and Monday while a weak storm system will
approach from the mid western states. This weak low pressure will
cross the Lower Great Lakes on Tuesday.

LOZ062-130415-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
428 PM EST Fri Jan 12 2018

.TONIGHT...North winds to 30 knots. Snow. Waves 5 to 8 feet.
Waves occasionally around 10 feet.
.SATURDAY...North winds to 30 knots becoming northwest and
diminishing to 15 to 20 knots. Snow likely early. A chance of
snow showers late. Waves 5 to 8 feet subsiding to 3 to 5 feet.
Waves occasionally around 10 feet.
.SATURDAY NIGHT...Northwest winds diminishing to 10 to 15 knots.
A chance of lake effect snow showers. Waves subsiding to 2 to 3
feet.
.SUNDAY...Northwest winds 5 to 10 knots. A chance of lake effect
snow showers. Waves 2 feet or less.
.SUNDAY NIGHT...South winds 10 knots or less. A chance of snow
showers in the evening. Waves 1 to 3 feet.
.MONDAY...Southeast winds 15 to 20 knots. A chance of snow. Waves
2 to 4 feet.
.TUESDAY...Southwest winds 15 to 20 knots. Snow likely. Waves 3
to 5 feet.
.WEDNESDAY...Northwest winds 10 to 15 knots. Waves 2 to 4 feet.

$$

LOZ063>065-130415-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
428 PM EST Fri Jan 12 2018

.TONIGHT...North winds to 30 knots. Mixed precipitation will
change to snow late. Waves 4 to 7 feet. Waves occasionally around
9 feet.
.SATURDAY...North winds 15 to 25 knots. Snow in the morning, then
just a chance of snow in the afternoon. Waves 4 to 7 feet. Waves
occasionally around 9 feet.
.SATURDAY NIGHT...North winds 10 to 15 knots. A chance of lake
effect snow showers. Waves subsiding to 1 to 3 feet.
.SUNDAY...North winds 5 to 10 knots. A chance of lake effect snow
showers. Waves 2 feet or less.
.SUNDAY NIGHT...Northeast winds averaging 10 knots. A chance of
snow showers in the evening. Waves 1 to 3 feet.
.MONDAY...Southeast winds 15 to 20 knots. A chance of snow. Waves
2 to 4 feet.
.TUESDAY...Southwest winds 15 to 20 knots. Snow likely. Waves 3
to 6 feet.
.WEDNESDAY...Northwest winds 10 to 15 knots. A chance of snow
showers. Waves 1 to 3 feet.

$$

LOZ061-130415-
MAFOR 1222/
ONTARIO WEST 1/2 14847 11847 12830 11720. A chance of snow
Saturday morning. Waves 5 to 8 feet, and occasionally around 10
feet tonight. Waves 5 to 8 feet subsiding to 3 to 6 feet, and
occasionally around 10 feet Saturday.

ONTARIO EAST 1/2 15837 12820. A chance of snow Saturday
afternoon. Waves 3 to 6 feet building to 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 Saturday.

$$



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