Great Lakes Forecast
Issued by NWS

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 130542
GLFLO

GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
130 AM EDT Sun Aug 13 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 weak surface trough will pass across the lake this
early morning. Meanwhile, a 30.2 inch high over the Canadian
prairies today will build across the Great Lakes region tomorrow.
Another weak front will cross the lake on Tuesday.

LOZ062-130900-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
130 AM EDT Sun Aug 13 2017

.OVERNIGHT...Northwest winds 10 to 15 knots. Waves 2 to
4 feet.
.SUNDAY...Northwest winds 5 to 10 knots becoming west. Waves 1 to
3 feet.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots. Waves 2 feet or
less.
.MONDAY...Southwest winds less than 10 knots becoming east. Waves
1 foot or less.
.MONDAY NIGHT...East winds 5 to 10 knots becoming light and
variable. Waves 1 foot or less.
.TUESDAY...Northwest winds less than 10 knots becoming west.
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 during the day...then a
chance of showers Thursday night. Waves 1 foot or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-130900-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
130 AM EDT Sun Aug 13 2017

.OVERNIGHT...Northwest winds 10 to 15 knots. 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
southwest. 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 during the day...then a
chance of showers Thursday night. Waves 2 feet or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-130900-
MAFOR 1306 AMD/
ONTARIO WEST 1/2 12710 11700 12600 11510 11500. Waves 2 to 4 feet
overnight. Waves 1 to 3 feet Sunday. Waves 2 feet or less Sunday
evening.

ONTARIO EAST 1/2 12710 11700 11600 12610 11500. Waves 2 to 4 feet
overnight. Waves 2 to 4 feet subsiding to 1 to 3 feet Sunday.
Waves 1 to 2 feet Sunday evening.

$$



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