fzus61 kbuf 071502
glflo 
expires:202511072200;;004350

open lake forecast for lake ontario
national weather service buffalo ny
1002 am est fri nov 7 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 29.4 inch low over lake superior will slowly deepen to 
29.2 inches as it makes its way to western and central quebec today 
and tonight, with its trailing cold front crossing the lake tonight. 
another 29.8 inch surface low will deepen to 29.5 inches as it 
tracks from the ohio valley to new england sunday and monday, then 
will strengthen further while moving north across quebec tuesday.


loz062-072200-
lake ontario open waters from the niagara river to hamlin beach-
1002 am est fri nov 7 2025

.rest of today...south winds to 30 knots becoming southwest.
showers. waves 3 to 5 feet building to 4 to 7 feet. waves
occasionally around 9 feet. 
.tonight...southwest winds 15 to 25 knots becoming northwest. a
chance of showers in the evening. waves 3 to 6 feet building to
5 to 8 feet. waves occasionally around 10 feet. 
.saturday...northwest winds 15 to 20 knots diminishing to 5 to
15 knots. waves 4 to 7 feet subsiding to 1 to 3 feet. waves
occasionally around 9 feet. 
.saturday night...north winds 5 to 15 knots becoming east. a
chance of showers in the evening, then showers likely overnight.
waves 1 to 2 feet. 
.sunday...east winds 15 to 25 knots becoming northwest. rain
showers during the day, then rain showers with snow showers
likely sunday night. waves 3 to 5 feet building to 4 to 7 feet,
then subsiding to 3 to 5 feet. waves occasionally around 9 feet. 
.monday...northwest winds 15 to 20 knots becoming west and
increasing to 30 knots. a chance of snow showers during the day,
then snow showers likely monday night. waves 3 to 6 feet building
to 5 to 8 feet. waves occasionally around 10 feet. 
.tuesday...west gales to 40 knots becoming southwest and
diminishing to 30 knots. snow showers likely with a chance of
rain showers during the day, then rain showers likely tuesday
night. waves 10 to 13 feet building to 12 to 16 feet, then
subsiding to 10 to 14 feet. waves occasionally around 20 feet. 

$$

fzus61 kbuf 071502
glflo 
expires:202511072200;;004351

open lake forecast for lake ontario
national weather service buffalo ny
1002 am est fri nov 7 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 29.4 inch low over lake superior will slowly deepen to 
29.2 inches as it makes its way to western and central quebec today 
and tonight, with its trailing cold front crossing the lake tonight. 
another 29.8 inch surface low will deepen to 29.5 inches as it 
tracks from the ohio valley to new england sunday and monday, then 
will strengthen further while moving north across quebec tuesday.


loz063>065-072200-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 am est fri nov 7 2025

.rest of today...south winds to 30 knots. a chance of showers
late this morning, then showers this afternoon. waves 4 to 7 feet
building to 6 to 9 feet. waves occasionally around 11 feet. 
.tonight...southwest winds to 30 knots becoming west 15 to
25 knots. showers in the evening, then a chance of showers after
midnight. waves 5 to 8 feet building to 6 to 9 feet. waves
occasionally around 11 feet. 
.saturday...northwest winds 15 to 25 knots diminishing to 5 to
15 knots. a chance of showers. waves 5 to 8 feet subsiding to
1 to 3 feet. waves occasionally around 10 feet. 
.saturday night...northwest winds 5 to 15 knots becoming east. a
chance of rain showers in the evening, then rain showers likely
overnight. waves 2 feet or less. 
.sunday...east winds 15 to 25 knots becoming northwest. rain
showers during the day, then rain showers with snow showers
likely sunday night. waves 3 to 6 feet. 
.monday...northwest winds 15 to 25 knots becoming west to
30 knots. snow showers with rain showers likely. waves 3 to
6 feet building to 6 to 9 feet. waves occasionally around
11 feet. 
.tuesday...west gales to 35 knots becoming southwest. snow
showers with rain showers likely during the day, then rain
showers tuesday night. waves 10 to 14 feet building to 13 to
18 feet, then subsiding to 10 to 14 feet. waves occasionally
around 23 feet. 

$$

fzus61 kbuf 071502
glfsl 
expires:202511072200;;004353

forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
1002 am est fri nov 7 2025


slz022-072200-
saint lawrence river from cape vincent to ogdensburg-
1002 am est fri nov 7 2025

.this afternoon...south winds 15 to 20 knots. showers.

.tonight...south winds 15 to 20 knots becoming west 10 to
15 knots. showers through the early overnight, then a chance of
showers late. 
.saturday...northwest winds 10 knots or less. partly sunny. 
.saturday night...light and variable winds. a chance of snow and
rain showers overnight. 
.sunday...northeast winds 5 to 10 knots becoming northwest. rain
and snow showers. 
.monday...northwest winds 5 to 10 knots becoming west. rain and
snow showers likely. 
.tuesday...west winds 10 to 15 knots becoming southwest. snow
showers likely during the day, then rain and snow showers likely
tuesday night. 

$$