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 141747
GLFLO

GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1230 PM EST Tue Nov 14 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 30.4 inch area of high pressure is stretched across
the Eastern Great Lakes this early afternoon, and will drift east of
the lake this evening. A 29.6 inch low near Lake Superior on
Wednesday will drag a cold front across Lake Ontario Wednesday
night. A second cold front will cross the lake on Thursday as an
expansive 30.4 high will build across the Upper Great Lakes. This
high will gradually build across Lake Ontario Thursday night and
Friday. A deepening storm will then track just to the west of the
lake during the weekend.

LOZ062-142200-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1230 PM EST Tue Nov 14 2017

.THIS AFTERNOON...Light and variable winds. Waves 1 foot or less.
.TONIGHT...Southeast winds 10 knots or less becoming south. Waves
2 feet or less.
.WEDNESDAY...South winds 10 to 15 knots becoming southeast 15 to
20 knots. A chance of rain showers in the afternoon. Waves 1 to
3 feet.
.WEDNESDAY NIGHT...South winds 15 to 25 knots becoming southwest
to 30 knots. Showers in the evening, then a chance of showers
overnight. Waves 1 to 3 feet building to 3 to 6 feet.
.THURSDAY...West winds to 30 knots becoming north and diminishing
to 15 to 20 knots. A chance of rain showers. Waves 5 to 8 feet
subsiding to 3 to 6 feet. Waves occasionally around 10 feet.
.FRIDAY...North winds 5 to 15 knots becoming south 15 to
20 knots. Rain showers Friday night. Waves 2 to 4 feet.
.SATURDAY...South winds 15 to 20 knots becoming west and
increasing to 35 knot gales. Rain showers. Waves 2 to 4 feet
building to 10 to 13 feet. Waves occasionally around 16 feet.

$$

LOZ063>065-142200-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1230 PM EST Tue Nov 14 2017

.THIS AFTERNOON...North winds less than 10 knots. A chance of rain
showers early. Waves 1 foot or less.
.TONIGHT...North winds 10 knots or less becoming south. Waves
2 feet or less.
.WEDNESDAY...South winds 10 to 15 knots becoming southeast 15 to
20 knots. Waves 1 to 3 feet building to 2 to 4 feet.
.WEDNESDAY NIGHT...South winds 15 to 25 knots becoming southwest.
Showers. Waves 3 to 6 feet building to 4 to 7 feet. Waves
occasionally around 9 feet.
.THURSDAY...West winds to 30 knots becoming north 15 to 25 knots.
Rain showers likely during the day, then a chance of rain showers
Thursday night. Waves 5 to 9 feet subsiding to 4 to 7 feet. Waves
occasionally around 11 feet.
.FRIDAY...North winds 10 to 15 knots becoming south and
increasing to 15 to 25 knots. Rain showers Friday night. Waves
3 to 6 feet subsiding to 3 to 5 feet.
.SATURDAY...South winds to 30 knots becoming west and increasing
to 35 knot gales. Rain showers. Waves 4 to 7 feet building to
10 to 15 feet. Waves occasionally around 19 feet.

$$

LOZ061-142200-
MAFOR 1419 AMD/
ONTARIO WEST 1/2 11700 12300 12400 12410. Waves 2 feet or less.

ONTARIO EAST 1/2 12800 11300 12400 12410. Waves 2 feet or less
this afternoon and tonight. Waves 1 to 3 feet Wednesday morning.

$$



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