Great Lakes Forecast
Issued by NWS

Home | Current Version | Previous Version | Text Only | 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 220537
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1237 AM EST Sat Feb 22 2020

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...Broad 30.5 inch high pressure centered over the
Tennessee Valley will remain in place across the Southeastern
states through at least the first half of Sunday. The high will
move off the Southeast coast Sunday night, allowing a cold front
to slowly cross the lake on Monday. A 29.5 inch low over the Lower
Ohio Valley Monday night will move to Ohio on Tuesday, then will
slowly track across the Lower Great Lakes Tuesday night and
Wednesday.

LOZ062-221015-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1237 AM EST Sat Feb 22 2020

.OVERNIGHT...West winds to 30 knots. Waves 8 to 11 feet.
Waves occasionally around 14 feet.
.SATURDAY...Southwest winds 15 to 25 knots. Waves 6 to 10 feet
subsiding to 3 to 6 feet. Waves occasionally around 13 feet.
.SATURDAY NIGHT...Southwest winds 15 to 20 knots. Waves 3 to 5
feet subsiding to 2 to 4 feet.
.SUNDAY...Southwest winds 15 to 20 knots diminishing to 10 to
15 knots. Waves 1 to 3 feet.
.SUNDAY NIGHT...Southwest winds 10 to 15 knots. Waves 1 to 2
feet.
.MONDAY...Southwest winds 5 to 10 knots becoming east. A chance
of rain and snow showers during the day, then a chance of rain
and snow showers Monday night. Waves 2 feet or less.
.TUESDAY...East winds 10 to 15 knots becoming north. Rain likely
during the day, then rain showers likely Tuesday night. Waves
1 to 2 feet.
.WEDNESDAY...North winds 10 to 15 knots increasing to 15 to 20
knots. Rain showers likely during the day, then rain and snow
Wednesday night. Waves 1 to 3 feet.

$$

LOZ063>065-221015-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1237 AM EST Sat Feb 22 2020

.OVERNIGHT...Southwest winds to 30 knots becoming west. Waves 8
to 11 feet. Waves occasionally around 14 feet.
.SATURDAY...West winds 15 to 25 knots. Waves 7 to 11 feet
subsiding to 5 to 8 feet. Waves occasionally around 14 feet.
.SATURDAY NIGHT...West winds 15 to 20 knots becoming southwest
10 to 15 knots. Waves 3 to 6 feet subsiding to 1 to 3 feet.
.SUNDAY...Southwest winds 5 to 15 knots becoming south. Waves
1 to 3 feet.
.SUNDAY NIGHT...Southwest winds 5 to 15 knots. Waves 1 to 2 feet.
.MONDAY...Southwest winds 5 to 10 knots becoming southeast. A
chance of rain and snow showers during the day, then a chance of
rain and snow showers Monday night. Waves 2 feet or less.
.TUESDAY...East winds 5 to 15 knots becoming north. A chance of
rain during the day, then rain showers likely Tuesday night.
Waves 2 feet or less.
.WEDNESDAY...North winds 5 to 15 knots increasing to 15 to 20
knots. Rain showers likely during the day, then rain and snow
Wednesday night. Waves 1 to 3 feet.

$$

LOZ061-221015-
MAFOR 2204/
ONTARIO WEST 1/2 12640 12630 11620 12520 11510. Waves 7 to 11
feet, and occasionally around 14 feet overnight. Waves 6 to 10
feet subsiding to 3 to 6 feet, and occasionally around 13 feet
Saturday. Waves 3 to 5 feet subsiding to 2 to 4 feet Saturday
evening.

ONTARIO EAST 1/2 11540 11640 12630 12620 11610 11510. Waves 7 to
11 feet, and occasionally around 14 feet overnight. Waves 7 to 11
feet subsiding to 5 to 8 feet, and occasionally around 14 feet
Saturday. Waves 3 to 6 feet subsiding to 2 to 4 feet Saturday
evening.

$$



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