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 200000
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
700 PM EST Fri Jan 19 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...An expansive 30.8 inch high centered over the
Southeast will settle off the coastline Saturday and Sunday. At the
same time, a 29.2 inch low will track from northern Ontario to the
Gulf of Saint Lawrence through Saturday night. A 29.5 inch low over
the central Plains states Sunday night will track to the central
Great Lakes by Tuesday morning.

LOZ062-063-200400-
Lake Ontario open waters from the Niagara River to Sodus Bay-
700 PM EST Fri Jan 19 2018

.TONIGHT...Southwest winds to 30 knots. Waves 5 to 9 feet
building to 7 to 11 feet. Waves occasionally around 14 feet.
.SATURDAY...Southwest winds to 30 knots becoming west. Waves 7 to
11 feet subsiding to 5 to 9 feet. Waves occasionally around
14 feet.
.SATURDAY NIGHT...West winds 15 to 20 knots diminishing to 10 to
15 knots. Waves 4 to 7 feet subsiding to 2 to 4 feet. Waves
occasionally around 9 feet.
.SUNDAY...West winds 5 to 15 knots becoming southwest. Waves 1 to
3 feet.
.SUNDAY NIGHT...Southwest winds 10 knots or less becoming east
10 to 15 knots. A chance of rain. Waves 2 feet or less.
.MONDAY...East winds 15 to 20 knots becoming south. Rain. Waves
3 to 5 feet subsiding to 2 to 4 feet.
.TUESDAY...Southwest winds 15 to 25 knots becoming west. Rain
with snow likely during the day, then snow and rain showers
likely Tuesday night. Waves 1 to 3 feet building to 4 to 7 feet.
Waves occasionally around 9 feet.
.WEDNESDAY...West winds 15 to 20 knots becoming northwest and
diminishing to 5 to 10 knots. A chance of snow showers during the
day. Waves 3 to 6 feet building to 4 to 7 feet, then subsiding to
2 to 4 feet. Waves occasionally around 9 feet.

$$

LOZ064-065-200400-
Lake Ontario open waters from Sodus Bay to the Saint Lawrence
River-
700 PM EST Fri Jan 19 2018

.TONIGHT...Southwest winds 15 to 25 knots. Waves in ice free
areas 4 to 7 feet building to 5 to 8 feet. Waves in ice free
areas occasionally around 10 feet.
.SATURDAY...West winds to 30 knots diminishing to 15 to 25 knots.
Waves 6 to 10 feet subsiding to 5 to 8 feet. Waves occasionally
around 13 feet.
.SATURDAY NIGHT...West winds 15 to 20 knots diminishing to 10 to
15 knots. Waves 4 to 7 feet subsiding to 2 to 4 feet. Waves
occasionally around 9 feet.
.SUNDAY...West winds 5 to 10 knots becoming southwest. Waves 1 to
3 feet.
.SUNDAY NIGHT...South winds 10 knots or less becoming northeast.
A chance of snow overnight. Waves 2 feet or less.
.MONDAY...Northeast winds 10 to 15 knots becoming south 15 to
20 knots. Rain and snow likely during the day, then rain Monday
night. Waves 1 to 3 feet.
.TUESDAY...Southwest winds 10 to 15 knots becoming west and
increasing to 15 to 25 knots. Rain and snow during the day, then
snow showers likely Tuesday night. Waves 1 to 3 feet building to
4 to 7 feet. Waves occasionally around 9 feet.
.WEDNESDAY...West winds 15 to 20 knots becoming northwest 5 to
15 knots. A chance of snow showers. Waves 3 to 6 feet building to
4 to 7 feet, then subsiding to 2 to 4 feet. Waves occasionally
around 9 feet.

Wave heights are for ice free areas.

$$

LOZ061-200400-
MAFOR 1922/
ONTARIO WEST 1/2 15540 11640 11630. Waves 5 to 9 feet building to
7 to 11 feet, and occasionally around 14 feet tonight. Waves 7 to
11 feet subsiding to 4 to 7 feet, and occasionally around 14 feet
Saturday.

ONTARIO EAST 1/2 13530 12540 11640 12630. Waves 5 to 9 feet
building to 7 to 10 feet, and occasionally around 13 feet
tonight. Waves 6 to 10 feet subsiding to 5 to 8 feet, and
occasionally around 13 feet Saturday.

$$


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