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glflo 
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open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt tue jul 1 2025

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 29.2 inch low over northern quebec today will move 
east to the labrador coast through wednesday, with a weak trailing 
cold front crossing the lake this afternoon. a 30.0 inch high will 
build into the ohio valley tonight through wednesday. another weak 
cold front will move southeast across the lake thursday. a 30.1 inch 
high will then build into the ohio valley and great lakes friday 
before drifting to the eastern seaboard saturday.


loz062-020300-
lake ontario open waters from the niagara river to hamlin beach-
402 pm edt tue jul 1 2025

.tonight...west winds around 10 knots. waves 1 to 2 feet. 
.wednesday...west winds around 10 knots becoming southwest. waves
around 1 foot. 
.wednesday night...southwest winds around 10 knots becoming west.
a chance of showers and thunderstorms overnight. waves 1 to
2 feet. 
.thursday...west winds around 10 knots. a chance of showers and
thunderstorms in the morning. waves 1 to 2 feet. 
.thursday night...northwest winds 5 to 10 knots. waves 1 to
2 feet. 
.friday...northwest winds 5 to 10 knots becoming southwest. waves
1 foot or less. 
.saturday...south winds 5 to 15 knots becoming southwest. waves
2 feet or less. 
.sunday...southwest winds 10 to 15 knots. a chance of showers
sunday night. waves 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 012002
glflo 
expires:202507020300;;712426

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt tue jul 1 2025

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 29.2 inch low over northern quebec today will move 
east to the labrador coast through wednesday, with a weak trailing 
cold front crossing the lake this afternoon. a 30.0 inch high will 
build into the ohio valley tonight through wednesday. another weak 
cold front will move southeast across the lake thursday. a 30.1 inch 
high will then build into the ohio valley and great lakes friday 
before drifting to the eastern seaboard saturday.


loz063>065-020300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 pm edt tue jul 1 2025

.tonight...southwest winds 5 to 15 knots becoming west. waves
1 to 2 feet. 
.wednesday...west winds 10 to 15 knots. waves 1 to 2 feet. 
.wednesday night...west winds 5 to 10 knots. waves 1 to 2 feet. 
.thursday...west winds 10 to 15 knots. a chance of showers and
thunderstorms in the morning, then a chance of showers in the
afternoon. waves 1 to 2 feet. 
.thursday night...west winds 5 to 15 knots becoming northwest.
waves 1 to 2 feet. 
.friday...northwest winds 5 to 10 knots becoming south. waves
2 feet or less. 
.saturday...south winds 5 to 15 knots. waves 2 feet or less. 
.sunday...southwest winds 10 to 15 knots. a chance of showers
sunday night. waves 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$