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 221725
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1225 PM EST Wed Nov 22 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...High pressure averaging 30.5 inches over the Plains
States will build across the Ohio Valley and Lower Great Lakes
by Thursday. A 28.9 inch low is forecast to pass just north of
Lake Superior Friday and into Quebec Saturday which will push
another cold front across the lake.

LOZ062-222215-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1225 PM EST Wed Nov 22 2017

.THIS AFTERNOON...Northwest winds 15 to 20 knots. Waves 3 to
6 feet.
.TONIGHT...Northwest winds 15 to 20 knots becoming west 10 to
15 knots. Waves 3 to 5 feet subsiding to 2 to 4 feet.
.THURSDAY...West winds 15 to 25 knots becoming southwest. Waves
3 to 5 feet building to 4 to 7 feet. Waves occasionally around
9 feet.
.THURSDAY NIGHT...West winds 15 to 25 knots. Waves 4 to 7 feet
subsiding to 3 to 6 feet. Waves occasionally around 9 feet.
.FRIDAY...West winds 10 to 15 knots becoming southwest and
increasing to 15 to 25 knots. Rain showers likely Friday night.
Waves 2 to 4 feet building to 4 to 7 feet. Waves occasionally
around 9 feet.
.SATURDAY...Southwest winds 15 to 25 knots becoming northwest.
Rain showers likely during the day, then snow and rain showers
likely Saturday night. Waves 4 to 7 feet subsiding to 3 to
5 feet. Waves occasionally around 9 feet.
.SUNDAY...Northwest winds 15 to 20 knots becoming west 10 to
15 knots. Snow likely during the day, then scattered flurries
Sunday night. Waves 3 to 5 feet subsiding to 1 to 3 feet.

$$

LOZ063>065-222215-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1225 PM EST Wed Nov 22 2017

.THIS AFTERNOON...Northwest winds 15 to 20 knots. A chance of rain
showers early. Waves 3 to 6 feet.
.TONIGHT...Northwest winds 15 to 20 knots becoming west 10 to
15 knots. Waves 3 to 5 feet subsiding to 2 to 4 feet.
.THURSDAY...West winds 10 to 15 knots becoming southwest and
increasing to 15 to 25 knots. A chance of snow showers in the
morning, then rain showers likely in the afternoon. Waves 3 to
6 feet building to 4 to 7 feet. Waves occasionally around 9 feet.
.THURSDAY NIGHT...West winds 15 to 25 knots. Rain and snow
showers likely in the evening, then a chance of rain and snow
showers overnight. Waves 5 to 8 feet subsiding to 3 to 6 feet.
Waves occasionally around 10 feet.
.FRIDAY...West winds 10 to 15 knots becoming southwest and
increasing to 15 to 25 knots. A chance of rain showers Friday
night. Waves 3 to 5 feet building to 4 to 7 feet. Waves
occasionally around 9 feet.
.SATURDAY...Southwest winds 15 to 25 knots becoming northwest.
Rain showers likely during the day, then snow and rain showers
likely Saturday night. Waves 4 to 7 feet subsiding to 3 to
6 feet. Waves occasionally around 9 feet.
.SUNDAY...Northwest winds 15 to 20 knots becoming west 10 to
15 knots. Snow likely during the day, then scattered flurries
Sunday night. Waves 3 to 6 feet subsiding to 2 to 4 feet.

$$

LOZ061-222215-
MAFOR 2216 AMD/
ONTARIO WEST 1/2 14720 11710 12610 11520. Waves 3 to 6 feet this
afternoon. Waves 3 to 5 feet subsiding to 2 to 4 feet tonight.
Waves 3 to 5 feet Thursday morning.

ONTARIO EAST 1/2 14720 11710 13610. Waves 3 to 6 feet this
afternoon. Waves 3 to 5 feet subsiding to 2 to 4 feet tonight.
Waves 2 to 4 feet building to 3 to 5 feet Thursday morning.

$$


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