fzus61 kbuf 060303
glflo 
expires:202603061000;;700801

open lake forecast for lake ontario
national weather service buffalo ny
1002 pm est thu mar 5 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 30.0 inch low just south of lake erie this evening 
will weaken to a 30.2 inch low across western ny tonight. another 
29.6 inch low will lift across the upper great lakes saturday, with 
its trailing cold front crossing the lake saturday night. a large 
30.1 inch high will then move from the lower ohio valley to the mid 
atlantic region sunday and monday while ridging north across the 
lake. a 28.9 inch low may move across james bay monday while 
pressure averages 29.9 inches across the lake tuesday.


loz062-063-061000-
lake ontario open waters from the niagara river to sodus bay-
1002 pm est thu mar 5 2026

.rest of tonight...northeast winds 15 to 25 knots becoming east.
rain with freezing rain likely late this evening, then rain
likely after midnight. waves 5 to 8 feet subsiding to 3 to
6 feet. waves occasionally around 10 feet. 
.friday...east winds 15 to 20 knots diminishing to 10 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.friday night...east winds 10 to 15 knots becoming south and
increasing to 15 to 25 knots. a chance of rain showers in the
evening, then rain showers likely with a chance of thunderstorms
overnight. waves 1 to 2 feet building to 3 to 5 feet. 
.saturday...south winds 15 to 25 knots becoming southwest to
30 knots. showers likely in the morning, then showers with a
chance of thunderstorms in the afternoon. waves 3 to 5 feet
building to 4 to 7 feet. waves occasionally around 9 feet. 
.saturday night...southwest winds 15 to 25 knots becoming west.
rain showers with a chance of thunderstorms in the evening, then
a chance of rain showers overnight. waves 4 to 7 feet subsiding
to 3 to 6 feet. waves occasionally around 9 feet. 
.sunday...west winds 10 to 15 knots becoming southwest and
increasing to 15 to 25 knots. waves 2 to 4 feet building to 3 to
6 feet. 
.monday...southwest winds 15 to 25 knots becoming west. waves
3 to 6 feet subsiding to 2 to 4 feet. 
.tuesday...northeast winds 10 to 15 knots becoming south and
increasing to 15 to 25 knots. a chance of rain showers during the
day, then rain showers tuesday night. waves 2 to 4 feet building
to 3 to 6 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 060303
glflo 
expires:202603061000;;700802

open lake forecast for lake ontario
national weather service buffalo ny
1002 pm est thu mar 5 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 30.0 inch low just south of lake erie this evening 
will weaken to a 30.2 inch low across western ny tonight. another 
29.6 inch low will lift across the upper great lakes saturday, with 
its trailing cold front crossing the lake saturday night. a large 
30.1 inch high will then move from the lower ohio valley to the mid 
atlantic region sunday and monday while ridging north across the 
lake. a 28.9 inch low may move across james bay monday while 
pressure averages 29.9 inches across the lake tuesday.


loz064-065-061000-
lake ontario open waters from sodus bay to the saint lawrence
river-
1002 pm est thu mar 5 2026

.rest of tonight...northeast winds 15 to 20 knots becoming east
10 to 15 knots. rain with freezing rain likely. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.friday...east winds 10 to 15 knots becoming southeast. waves
1 to 3 feet. 
.friday night...southeast winds 15 to 25 knots becoming south to
30 knots. rain showers overnight. waves 1 to 3 feet building to
3 to 6 feet. 
.saturday...south winds 20 to 25 knots. showers. waves 3 to
6 feet. 
.saturday night...southwest winds 15 to 20 knots becoming west.
rain showers in the evening, then rain showers likely overnight.
waves 3 to 6 feet. 
.sunday...west winds 10 to 15 knots becoming southwest 15 to
20 knots. waves 2 to 4 feet building to 3 to 6 feet. 
.monday...southwest winds 15 to 20 knots diminishing to 10 to
15 knots. waves 3 to 6 feet subsiding to 2 to 4 feet. 
.tuesday...east winds 10 to 15 knots becoming south and
increasing to 15 to 25 knots. a chance of rain showers during the
day, then rain showers tuesday night. waves 2 to 4 feet building
to 3 to 6 feet. 

winds and waves higher in and near thunderstorms.

$$