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 220559
GLFLO

GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1230 AM EST Thu Feb 22 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 30.7 inch high over the Great Lakes will slowly drift east across
the Saint Lawrence Valley this afternoon and tonight. A warm front
will push north across the lake on Friday. High pressure over the
Northern Plains Friday evening will build across Lake Ontario late
Friday night and Saturday. A deep storm system will track from the
Central Plains to the Upper Great Lakes Saturday night and Sunday.

LOZ062-221000-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1230 AM EST Thu Feb 22 2018

.OVERNIGHT...Northwest winds 10 to 15 knots becoming north.
Waves 2 to 3 feet.
.THURSDAY...Northeast winds 10 to 15 knots becoming east 15 to
20 knots. A chance of snow early in the afternoon. Waves 1 to
3 feet.
.THURSDAY NIGHT...East winds 15 to 25 knots. Waves 3 to 5 feet.
.FRIDAY...East winds 15 to 25 knots becoming south and
diminishing to 5 to 10 knots in the afternoon. Rain. Waves 3 to
5 feet subsiding to 2 feet or less.
.FRIDAY NIGHT...Southwest winds 5 to 15 knots becoming west. Rain
likely in the evening. Waves 2 feet or less.
.SATURDAY...Northwest winds 5 to 10 knots becoming east and
increasing to 15 to 25 knots. A chance of rain during the day,
then rain Saturday night. Waves 1 foot or less building to 3 to
5 feet.
.SUNDAY...South winds 15 to 25 knots becoming west to 30 knots.
Rain showers during the day. Waves 2 to 4 feet building to 3 to
6 feet.
.MONDAY...West winds 15 to 20 knots diminishing to 5 to 15 knots.
Waves 3 to 6 feet subsiding to 1 to 3 feet.

$$

LOZ063>065-221000-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1230 AM EST Thu Feb 22 2018

.OVERNIGHT...Northwest winds 10 to 15 knots becoming
northeast 15 to 20 knots. Waves 2 to 4 feet subsiding to 1 to
3 feet.
.THURSDAY...Northeast winds 15 to 20 knots diminishing to 10 to
15 knots. A chance of snow early in the afternoon. Waves 1 to
3 feet.
.THURSDAY NIGHT...Northeast winds 10 to 15 knots becoming east
15 to 20 knots. Waves 1 to 3 feet building to 2 to 4 feet.
.FRIDAY...Southeast winds 15 to 25 knots becoming south. A chance
of rain in the morning, then rain in the afternoon. Waves 2 to
4 feet.
.FRIDAY NIGHT...Southwest winds 15 to 20 knots becoming west 5 to
15 knots. Rain in the evening. Waves 1 to 3 feet subsiding to
1 foot or less.
.SATURDAY...Northwest winds 5 to 10 knots becoming east and
increasing to 15 to 25 knots. A chance of rain during the day,
then rain Saturday night. Waves 1 to 3 feet building to 2 to
4 feet.
.SUNDAY...South winds 15 to 25 knots becoming west. Rain showers.
Waves 2 to 4 feet building to 4 to 7 feet. Waves occasionally
around 9 feet.
.MONDAY...West winds 15 to 25 knots becoming northwest and
diminishing to 10 to 15 knots. Waves 4 to 7 feet subsiding to
1 to 3 feet. Waves occasionally around 9 feet.

$$

LOZ061-221000-
MAFOR 2207 AMD/
ONTARIO WEST 1/2 11810 11110 11220 12210 12220. A chance of snow
Thursday afternoon. Waves 1 to 3 feet overnight and Thursday.
Waves 2 to 4 feet Thursday evening.

ONTARIO EAST 1/2 11810 15110. A chance of snow Thursday
afternoon. Waves 1 to 3 feet.

$$


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