Great Lakes Forecast
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary Off
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 101134
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
634 AM EST Sun Dec 10 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 29.6 inch low will move from the Upper Great Lakes
will pass by to the north of the lake today...with a cold front
dropping across the lake tonight. 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.

LOZ062-101600-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
634 AM EST Sun Dec 10 2017

.TODAY...West winds 15 to 25 knots increasing to 30 knots.
Scattered snow showers. Waves 3 to 5 feet building to 5 to 8
feet. Waves occasionally around 10 feet.
.TONIGHT...West winds to 30 knots becoming northwest and
diminishing to 15 to 20 knots. Scattered snow showers in the
evening, then scattered flurries after midnight. Waves 5 to 9
feet subsiding to 3 to 5 feet. Waves occasionally around 11 feet.
.MONDAY...Northwest winds 5 to 15 knots becoming south less than
10 knots. A chance of flurries in the morning, then a chance of
snow showers in the afternoon. Waves 2 to 4 feet subsiding to
1 to 3 feet.
.MONDAY NIGHT...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 15 to 25 knots becoming northwest.
Occasional snow. Waves 1 to 3 feet building to 3 to 6 feet.
.WEDNESDAY...Northwest winds 15 to 20 knots becoming west 10 to
15 knots. Lake effect snow showers likely. Waves 3 to 6 feet
subsiding to 2 to 4 feet.
.THURSDAY...West winds around 10 knots becoming southwest. A
chance of snow showers. Waves 1 to 3 feet.

$$

LOZ063>065-101600-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
634 AM EST Sun Dec 10 2017

.TODAY...West winds 15 to 25 knots increasing to 30 knots. Lake
effect snow showers likely this morning, then lake effect snow
this afternoon. Waves 3 to 6 feet building to 6 to 9 feet. Waves
occasionally around 11 feet.
.TONIGHT...West winds to 30 knots becoming northwest and
diminishing to 15 to 20 knots. Lake effect snow through the early
overnight, then snow showers likely late. Waves 5 to 9 feet
subsiding to 4 to 7 feet. Waves occasionally around 11 feet.
.MONDAY...Northwest winds 15 to 20 knots becoming west 5 to 15
knots. A chance of snow showers in the morning, then a chance of
flurries in the afternoon. Waves 3 to 5 feet subsiding to 2 to 4
feet.
.MONDAY NIGHT...South winds 5 to 15 knots becoming southeast 15
to 20 knots. Snow. Waves 2 feet or less building to 2 to 4 feet.
.TUESDAY...Southeast winds 15 to 25 knots becoming northwest.
Snow. Waves 2 to 4 feet building to 5 to 8 feet. Waves
occasionally around 10 feet.
.WEDNESDAY...Northwest winds 15 to 20 knots becoming west. Lake
effect snow showers likely. Waves 5 to 8 feet subsiding to 3 to
6 feet. Waves occasionally around 10 feet.
.THURSDAY...West winds 10 to 15 knots becoming southwest. Snow
showers likely during the day, then a chance of snow showers
Thursday night. Waves 2 to 4 feet subsiding to 1 to 3 feet.

$$

LOZ061-101600-
MAFOR 1013 AMD/
ONTARIO WEST 1/2 12630 13640 11730 11710. Scattered snow showers
today and this evening. Waves 5 to 8 feet building to 6 to 9
feet, and occasionally around 11 feet today. Waves 5 to 9 feet
subsiding to 3 to 6 feet, and occasionally around 11 feet
tonight.

ONTARIO EAST 1/2 11637 11630 12637 11647 11637 11720. Waves 3 to
6 feet building to 6 to 9 feet, and occasionally around 11 feet
today. Waves 5 to 9 feet subsiding to 4 to 7 feet, and
occasionally around 11 feet tonight.

$$

JJR/TMA/WOOD



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