Great Lakes Forecast
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary Off
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 171438
GLFLO

GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1030 AM EDT Tue Apr 17 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 29.3 inch low will move eastward across southern Quebec today,
then make its way towards Atlantic Canada tonight and Wednesday.
Another 29.2 inch low will enter the Great Lakes region late
Wednesday, sending a warm front across the region Wednesday night,
followed by a cold front Thursday.

LOZ062-172100-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1030 AM EDT Tue Apr 17 2018

.REST OF TODAY...West winds 20 to 25 knots. A chance of snow
showers late this morning, then snow showers with a chance of
rain showers this afternoon. Waves 5 to 8 feet. Waves
occasionally around 10 feet.
.TONIGHT...West winds 20 to 25 knots. A chance of rain showers
through the early overnight. Waves 5 to 8 feet. Waves
occasionally around 10 feet.
.WEDNESDAY...West winds 15 to 25 knots. Waves 4 to 7 feet
subsiding to 3 to 6 feet. Waves occasionally around 9 feet.
.WEDNESDAY NIGHT...West winds 5 to 15 knots becoming northeast.
Rain showers likely in the evening, then rain and snow showers
overnight. Waves 1 to 3 feet subsiding to 1 foot or less.
.THURSDAY...Northeast winds 10 to 15 knots becoming northwest
15 to 20 knots. Rain and snow showers during the day, then rain
showers likely with a chance of snow showers Thursday night.
Waves 1 to 3 feet building to 3 to 5 feet.
.FRIDAY...Northwest winds 15 to 20 knots diminishing to 10 to
15 knots. A chance of snow showers during the day. Waves 3 to
5 feet subsiding to 1 to 3 feet.
.SATURDAY...Northwest winds 5 to 10 knots becoming north. Waves
1 to 2 feet.

$$

LOZ063>065-172100-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1030 AM EDT Tue Apr 17 2018

.REST OF TODAY...West winds 15 to 25 knots. Snow showers likely
late this morning, then snow showers likely with a chance of rain
showers this afternoon. Waves 5 to 9 feet. Waves occasionally
around 11 feet.
.TONIGHT...West winds 15 to 25 knots increasing to 30 knots. A
chance of rain and snow showers likely through the early
overnight, then a chance of rain and snow showers late. Waves
5 to 9 feet building to 7 to 10 feet. Waves occasionally around
13 feet.
.WEDNESDAY...West winds 15 to 25 knots. A chance of rain and snow
showers in the morning. Waves 7 to 10 feet subsiding to 5 to
8 feet. Waves occasionally around 13 feet.
.WEDNESDAY NIGHT...West winds 15 to 20 knots becoming east and
diminishing to 10 knots or less overnight. A chance of rain
showers in the evening, then rain and snow showers overnight.
Waves 3 to 6 feet subsiding to 1 to 3 feet.
.THURSDAY...Northeast winds 10 to 15 knots becoming northwest
15 to 20 knots. Rain and snow showers during the day, then rain
showers with a chance of snow showers Thursday night. Waves
2 feet or less building to 3 to 6 feet.
.FRIDAY...Northwest winds 15 to 20 knots diminishing to 10 to
15 knots. A chance of rain and snow showers during the day, then
a chance of rain showers Friday night. Waves 3 to 5 feet
subsiding to 1 to 3 feet.
.SATURDAY...Northwest winds 5 to 10 knots. Waves 2 feet or less.

$$

LOZ061-172100-
MAFOR 1715/
ONTARIO WEST 1/2 11630 11637 15630. Chance of snow showers late
this morning, then chance of rain showers this afternoon. Chance
of rain showers this evening. Waves 5 to 9 feet, and occasionally
around 11 feet this afternoon and tonight. Waves 5 to 8 feet, and
occasionally around 10 feet Wednesday morning.

ONTARIO EAST 1/2 11630 14637 13630. Chance of snow showers late
this morning, then chance of rain showers this afternoon. Chance
of rain showers this evening, then chance of rain and snow
showers overnight. Chance of rain and snow showers Wednesday
morning. Waves 5 to 9 feet, and occasionally around 11 feet this
afternoon. Waves 5 to 9 feet building to 7 to 10 feet, and
occasionally around 13 feet tonight. Waves 7 to 10 feet subsiding
to 5 to 8 feet, and occasionally around 13 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.