Expires:202110212115;;041152
FZUS61 KBUF 211730
GLFLO 

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
130 PM EDT Thu Oct 21 2021

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 29.7 inch low over lower Michigan will track into 
the Ottawa Valley by early tonight and in the process push its 
trailing cold front eastward across the lake. Behind the front, a 
trough averaging 30.0 inches will linger over the lower Great 
Lakes through Saturday. A 30.2 inch high will stretch from James 
Bay to the Great Lakes on Sunday.


LOZ061-212115-
MAFOR 2115/
ONTARIO WEST 1/2 11410 11416 11526 11536 12640 11730 11720. A
chance of thunderstorms this afternoon and evening. Waves 1 to 3
feet building to 2 to 4 feet this afternoon. Waves 3 to 6 feet
building to 5 to 8 feet, and occasionally around 10 feet tonight.
Waves 4 to 7 feet subsiding to 3 to 5 feet, and occasionally
around 9 feet Friday morning. 

ONTARIO EAST 1/2 12410 11516 11526 11546 11540 11630 11720. A
chance of thunderstorms this evening. Waves 1 to 3 feet this
afternoon. Waves 3 to 6 feet building to 5 to 8 feet, and
occasionally around 10 feet tonight. Waves 4 to 7 feet subsiding
to 3 to 6 feet, and occasionally around 9 feet Friday morning. 

$$