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open lake forecast for lake ontario
national weather service buffalo ny
402 am 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 29.5 inch low will move east across new england and 
into the gulf of maine this afternoon. a 30.1 inch high will then 
build from the ohio valley this afternoon to off the mid atlantic 
coast by late thursday while strengthening to 30.3 inches. a 29.5 
inch low will then 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 then 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.


loz065-071600-
lake ontario open waters from mexico bay to the saint lawrence
river-
402 am est wed jan 7 2026

.today...west winds 10 to 15 knots diminishing to 5 to 10 knots.
patchy fog this morning. rain and snow likely early, then snow
likely late this morning. waves 1 to 3 feet building to 2 to
4 feet, then subsiding to 1 to 3 feet. 
.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. a chance of rain showers overnight. waves 1 to
2 feet building to 3 to 6 feet. 
.friday...south winds to 30 knots becoming northwest and
diminishing to 10 to 15 knots. rain showers. waves 5 to 8 feet
subsiding to 2 to 4 feet. waves occasionally around 10 feet. 
.saturday...northeast winds 10 to 15 knots becoming southwest and
increasing to 15 to 25 knots. rain likely during the day, then
rain likely with a chance of snow showers saturday night. waves
1 to 3 feet building to 6 to 9 feet. waves occasionally around
11 feet. 
.sunday...southwest gales to 35 knots becoming west. a chance of
snow and rain showers during the day, then a chance of snow
showers sunday night. waves 10 to 14 feet building to 11 to
15 feet, then subsiding to 9 to 12 feet. waves occasionally
around 19 feet. 

$$