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open lake forecast for lake ontario
national weather service buffalo ny
1002 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 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.


loz065-072200-
lake ontario open waters from mexico bay to the saint lawrence
river-
1002 am est wed jan 7 2026

.rest of today...northwest winds 5 to 15 knots becoming west.
patchy fog late this morning. scattered snow showers late this
morning. waves 2 to 4 feet 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. 

$$