Great Lakes Forecast
Issued by NWS

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381
FZUS61 KBUF 122034
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
334 PM EST Tue Nov 12 2024

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 30.4 inch high over the Upper Great Lakes will
drift east across the Lake tonight before strengthening to 30.7
inches while crossing Quebec on Wednesday and Wednesday night. A
29.7 inch low over southern Lake Michigan Thursday morning will
cross Lower Michigan during the day before weakening to 29.9
inches as it moves over Pennsylvania Thursday night. An elongated
30.2 inch high will be centered over the Upper Great Lakes Friday
and Saturday.

LOZ062-130430-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
334 PM EST Tue Nov 12 2024

.TONIGHT...North winds 10 to 15 knots becoming east. Waves 1 to
3 feet.
.WEDNESDAY...East winds 10 to 15 knots increasing to 15 to
20 knots. Waves 2 to 4 feet building to 3 to 6 feet.
.WEDNESDAY NIGHT...East winds 15 to 20 knots becoming southeast.
Waves 3 to 6 feet subsiding to 2 to 4 feet.
.THURSDAY...Southeast winds 15 to 20 knots. Showers likely in the
afternoon. Waves 3 to 5 feet subsiding to 2 to 4 feet.
.THURSDAY NIGHT...Southeast winds 15 to 20 knots becoming east
10 to 15 knots. Showers likely in the evening, then a chance of
showers overnight. Waves 2 to 4 feet.
.FRIDAY...Northeast winds 10 to 15 knots becoming northwest.
Waves 1 to 3 feet.
.SATURDAY...Northwest winds 10 to 15 knots. Waves 1 to 3 feet.
.SUNDAY...West winds 10 to 15 knots becoming southwest. A chance
of showers Sunday night. Waves 2 feet or less.

$$

LOZ063>065-130430-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
334 PM EST Tue Nov 12 2024

.TONIGHT...North winds 15 to 20 knots becoming northeast 10 to
15 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet.
.WEDNESDAY...Northeast winds 10 to 15 knots becoming east 15 to
20 knots. Waves 1 to 3 feet building to 2 to 4 feet.
.WEDNESDAY NIGHT...East winds 15 to 20 knots becoming southeast.
Waves 2 to 4 feet.
.THURSDAY...Southeast winds 15 to 20 knots. A chance of rain
showers in the afternoon. Waves 3 to 5 feet subsiding to 2 to
4 feet.
.THURSDAY NIGHT...Southeast winds 15 to 20 knots becoming east
10 to 15 knots. A chance of showers. Waves 2 to 4 feet subsiding
to 1 to 3 feet.
.FRIDAY...Northeast winds 10 to 15 knots becoming northwest.
Waves 1 to 3 feet.
.SATURDAY...Northwest winds 10 to 15 knots. Waves 2 to 4 feet
subsiding to 1 to 3 feet.
.SUNDAY...Northwest winds 10 to 15 knots becoming southwest. A
chance of showers Sunday night. Waves 2 feet or less.

$$

LOZ061-130430-
MAFOR 1222/
ONTARIO WEST 1/2 11810 12110 13210 12220. Waves 1 to 3 feet
tonight. Waves 2 to 4 feet building to 3 to 5 feet Wednesday.

ONTARIO EAST 1/2 11810 14110 13210. Waves 2 to 4 feet subsiding
to 1 to 3 feet tonight. Waves 1 to 3 feet Wednesday.

$$