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 072035
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
335 PM EST Thu Dec 7 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...An expansive 28.9 inch low over far northern Quebec
will push into the Bering Strait through tonight. A 29.6 inch low
over the Upper Great Lakes on Friday will pass to the north of
the lake Friday night. Another 29.6 inch low will move from the
Upper Great Lakes across Lake Ontario late Saturday and Saturday
night. 30.2 inch high pressure over the Tennessee Valley will
briefly nudge toward the lower lakes on Sunday. A cold front will
drop across the lake on Monday.

LOZ062-080415-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
335 PM EST Thu Dec 7 2017

.TONIGHT...West winds 20 to 25 knots. Scattered lake effect snow
showers. Waves 4 to 7 feet. Waves occasionally around 9 feet.
.FRIDAY...Southwest winds to 30 knots. Scattered lake effect snow
showers. Waves 4 to 7 feet. Waves occasionally around 9 feet.
.FRIDAY NIGHT...Southwest winds to 30 knots diminishing to 15 to
20 knots. A chance of snow showers overnight. Waves 5 to 8 feet
subsiding to 3 to 5 feet. Waves occasionally around 10 feet.
.SATURDAY...South winds 15 to 20 knots becoming southwest 10 to
15 knots. A chance of snow showers. Waves 2 to 4 feet.
.SATURDAY NIGHT...Southwest winds 10 to 15 knots becoming
northwest and increasing to 15 to 25 knots. Snow showers likely.
Waves 2 to 3 feet building to 3 to 6 feet.
.SUNDAY...Northwest winds to 30 knots becoming west 15 to
25 knots. Snow showers likely during the day, then a chance of
snow showers Sunday night. Waves 5 to 8 feet. Waves occasionally
around 10 feet.
.MONDAY...West winds 15 to 20 knots becoming north. A chance of
snow showers. Waves 3 to 5 feet subsiding to 2 to 4 feet.
.TUESDAY...North winds 15 to 20 knots becoming northwest. Snow
showers likely during the day, then a chance of snow showers
Tuesday night. Waves 3 to 5 feet subsiding to 2 to 4 feet.

$$

LOZ063>065-080415-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
335 PM EST Thu Dec 7 2017

.TONIGHT...West winds 15 to 25 knots becoming southwest. Lake
effect snow through the early overnight, then lake effect snow
showers likely late. Waves 5 to 8 feet. Waves occasionally around
10 feet.
.FRIDAY...Southwest winds 15 to 25 knots. Scattered lake effect
snow showers. Waves 4 to 7 feet. Waves occasionally around
9 feet.
.FRIDAY NIGHT...Southwest winds to 30 knots diminishing to 15 to
25 knots. Waves 5 to 8 feet. Waves occasionally around 10 feet.
.SATURDAY...Southwest winds 15 to 20 knots diminishing to 5 to
15 knots. Waves 3 to 6 feet subsiding to 1 to 3 feet.
.SATURDAY NIGHT...Southwest winds 10 to 15 knots becoming
northwest and increasing to 15 to 25 knots. Snow showers likely
in the evening, then snow overnight. Waves 1 to 3 feet building
to 3 to 5 feet.
.SUNDAY...Northwest winds to 30 knots becoming west 15 to
25 knots. Snow showers likely. Waves 5 to 9 feet. Waves
occasionally around 11 feet.
.MONDAY...West winds 15 to 20 knots becoming northwest. Snow
showers likely. Waves 3 to 6 feet subsiding to 1 to 3 feet.
.TUESDAY...North winds 15 to 20 knots becoming northwest. Snow
showers likely. Waves 3 to 6 feet.

$$

LOZ061-080415-
MAFOR 0722/
ONTARIO WEST 1/2 14630 11630 13530. Scattered snow showers. Waves
5 to 8 feet.

ONTARIO EAST 1/2 13637 11537 11530 13520. Scattered snow showers
Friday. Waves 5 to 8 feet.

$$


WOOD



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