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open lake forecast for lake ontario
national weather service buffalo ny
402 pm est wed jan 7 2026

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 30.1 inch high over the ohio valley late this 
afternoon will build off the mid atlantic coast by late thursday 
while strengthening to 30.3 inches. a 29.4 inch low will move from 
near lake michigan thursday night to quebec friday, with a trailing 
cold front crossing the lake friday. another 29.6 inch low is 
forecast to develop over lower michigan saturday, then move to 
quebec by sunday while deepening to 29.1 inches. a trailing cold 
front is forecast to cross the lake saturday night.


loz065-080400-
lake ontario open waters from mexico bay to the saint lawrence
river-
402 pm est wed jan 7 2026

.tonight...west winds 5 to 10 knots. waves 1 to 3 feet. 
.thursday...southwest winds 5 to 10 knots becoming south. waves
1 to 3 feet. 
.thursday night...southeast winds 10 to 15 knots increasing to
15 to 25 knots. waves 2 feet or less building to 3 to 6 feet. 
.friday...south winds to 30 knots. showers. waves 5 to 9 feet.
waves occasionally around 11 feet. 
.friday night...south winds 15 to 25 knots becoming north and
diminishing to 10 to 15 knots. rain showers in the evening, then
a chance of rain showers overnight. waves 4 to 7 feet subsiding
to 1 to 3 feet. waves occasionally around 9 feet. 
.saturday...northeast winds 10 to 15 knots becoming southwest and
increasing to 30 knots. rain showers likely during the day, then
rain showers likely with a chance of snow showers saturday night.
waves 1 to 3 feet building to 7 to 10 feet. waves occasionally
around 13 feet. 
.sunday...southwest gales to 35 knots becoming west. snow showers
likely. waves 9 to 12 feet building to 10 to 15 feet. waves
occasionally around 19 feet. 
.monday...west winds 15 to 25 knots becoming southwest. a chance
of snow showers. waves 5 to 8 feet. waves occasionally around
10 feet. 

$$