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 122333
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
733 PM EDT Sat Aug 12 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...A broad 29.8 inch low will move east across southern
Quebec through this evening while dragging a weak cold front
across the lake. In its wake, a 30.2 inch high over the Canadian
prairies on Sunday will build across the Great Lakes region
Monday. Another weak front will cross the lake on Tuesday.

LOZ062-130300-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
733 PM EDT Sat Aug 12 2017

.TONIGHT...Northwest winds 10 to 15 knots. Scattered showers
after midnight. Waves 2 to 4 feet.
.SUNDAY...Northwest winds 5 to 15 knots becoming west. Waves 1 to
3 feet.
.SUNDAY NIGHT...Southwest winds 10 knots or less. Waves 2 feet or
less.
.MONDAY...Southwest winds less than 10 knots becoming east. Waves
1 foot or less.
.MONDAY NIGHT...East winds 10 knots or less becoming northwest.
Waves 1 foot or less.
.TUESDAY...Light and variable winds becoming west 5 to 10 knots.
Waves 1 foot or less.
.WEDNESDAY...Northwest winds 10 knots or less becoming southeast.
A chance of showers and thunderstorms Wednesday night. Waves
1 foot or less.
.THURSDAY...Southeast winds 5 to 10 knots becoming south. A
chance of showers and thunderstorms. Waves 1 foot or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-130300-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
733 PM EDT Sat Aug 12 2017

.TONIGHT...West winds 10 to 15 knots becoming northwest.
Scattered showers after midnight. Waves 2 to 4 feet.
.SUNDAY...Northwest winds 5 to 15 knots becoming west. Waves 2 to
4 feet subsiding to 1 to 3 feet.
.SUNDAY NIGHT...West winds 5 to 15 knots becoming southwest.
Waves 1 to 2 feet.
.MONDAY...Southwest winds 5 to 10 knots becoming northeast. Waves
1 foot or less.
.MONDAY NIGHT...Northeast winds 10 knots or less becoming south.
Waves 1 foot or less.
.TUESDAY...West winds 10 knots or less. Waves 1 foot or less.
.WEDNESDAY...Northwest winds 5 to 10 knots becoming southeast.
Waves 1 foot or less.
.THURSDAY...Southeast winds 5 to 10 knots becoming south. A
chance of showers and thunderstorms. Waves 2 feet or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-130300-
MAFOR 1300 AMD/
ONTARIO WEST 1/2 14710 11700 11600 11610. Waves 2 to 4 feet
tonight. Waves 1 to 3 feet Sunday.

ONTARIO EAST 1/2 11610 14710 11600 11610. Scattered showers
overnight. Waves 2 to 4 feet tonight subsiding to 1 to 3 feet
Sunday.

$$

CHURCH/HITCHCOCK/JJR



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