fzus61 kbuf 192003
glflo 
expires:202603200300;;969772

open lake forecast for lake ontario
national weather service buffalo ny
403 pm edt thu mar 19 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...following the passage of a warm front, a 30.2 inch high 
will build across the great lakes through this evening. a 29.8 inch 
low will track from the upper great lakes to the lower great lakes 
friday, before a 30.0 inch high becomes briefly established 
saturday. another 29.6 inch wave of low pressure will cross the 
lower great lakes sunday into monday with a strong cold front in its 
wake. a 30.4 inch high is then forecast to build across the upper 
great lakes on monday, and the eastern great lakes through tuesday.


loz062-200300-
lake ontario open waters from the niagara river to hamlin beach-
403 pm edt thu mar 19 2026

.tonight...west winds 10 to 15 knots becoming southeast 10 knots
or less. waves 2 feet or less. 
.friday...southeast winds 10 to 15 knots becoming northwest 15 to
20 knots. snow and rain showers in the morning, then rain showers
early in the afternoon. a chance of rain showers late. waves 1 to
3 feet building to 3 to 5 feet. 
.friday night...north winds 15 to 20 knots becoming northwest
10 to 15 knots. waves 2 to 4 feet subsiding to 1 to 2 feet. 
.saturday...northwest winds 5 to 10 knots. waves around 1 foot. 
.saturday night...northeast winds 5 to 10 knots becoming east. a
chance of rain and snow showers overnight. waves around 1 foot. 
.sunday...east winds 10 to 15 knots becoming northeast and
increasing to 15 to 25 knots. rain and snow showers likely. waves
1 to 3 feet building to 5 to 7 feet. waves occasionally around
9 feet. 
.monday...north winds 15 to 25 knots becoming northwest. a chance
of rain and snow showers during the day. waves 3 to 6 feet
subsiding to 1 to 3 feet. 
.tuesday...west winds 10 to 15 knots increasing to 15 to
20 knots. waves 1 to 3 feet building to 3 to 5 feet. 

$$

fzus61 kbuf 192003
glflo 
expires:202603200300;;969773

open lake forecast for lake ontario
national weather service buffalo ny
403 pm edt thu mar 19 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...following the passage of a warm front, a 30.2 inch high 
will build across the great lakes through this evening. a 29.8 inch 
low will track from the upper great lakes to the lower great lakes 
friday, before a 30.0 inch high becomes briefly established 
saturday. another 29.6 inch wave of low pressure will cross the 
lower great lakes sunday into monday with a strong cold front in its 
wake. a 30.4 inch high is then forecast to build across the upper 
great lakes on monday, and the eastern great lakes through tuesday.


loz063-064-200300-
lake ontario open waters from hamlin beach to mexico bay-
403 pm edt thu mar 19 2026

.tonight...southwest winds 10 knots or less becoming south. waves
2 feet or less. 
.friday...southeast winds 10 to 15 knots becoming northwest 15 to
20 knots. a chance of snow showers early, then rain and snow
showers late in the morning. rain showers in the afternoon. waves
1 to 3 feet building to 2 to 4 feet. 
.friday night...north winds 15 to 20 knots diminishing to 10 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.saturday...northwest winds around 10 knots. waves 1 to 2 feet. 
.saturday night...northeast winds 5 to 10 knots becoming east. a
chance of rain and snow showers overnight. waves 1 foot or less. 
.sunday...east winds 10 to 15 knots becoming north and increasing
to 15 to 25 knots. rain and snow showers likely. waves 2 feet or
less building to 4 to 7 feet. waves occasionally around 9 feet. 
.monday...north winds 15 to 25 knots becoming northwest. a chance
of rain and snow showers during the day. waves 4 to 7 feet
subsiding to 3 to 6 feet. waves occasionally around 9 feet. 
.tuesday...northwest winds 15 to 25 knots becoming west. a chance
of snow showers tuesday night. waves 2 to 4 feet building to 4 to
7 feet. waves occasionally around 9 feet. 

$$

fzus61 kbuf 192003
glflo 
expires:202603200300;;969774

open lake forecast for lake ontario
national weather service buffalo ny
403 pm edt thu mar 19 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...following the passage of a warm front, a 30.2 inch high 
will build across the great lakes through this evening. a 29.8 inch 
low will track from the upper great lakes to the lower great lakes 
friday, before a 30.0 inch high becomes briefly established 
saturday. another 29.6 inch wave of low pressure will cross the 
lower great lakes sunday into monday with a strong cold front in its 
wake. a 30.4 inch high is then forecast to build across the upper 
great lakes on monday, and the eastern great lakes through tuesday.


loz065-200300-
lake ontario open waters from mexico bay to the saint lawrence
river-
403 pm edt thu mar 19 2026

.tonight...southwest winds 10 knots or less becoming north. waves
2 feet or less. 
.friday...southeast winds 5 to 10 knots becoming north and
increasing to 15 to 20 knots. a chance of snow showers early,
then snow and rain showers. rain showers late. waves 1 foot or
less building to 2 to 4 feet. 
.friday night...north winds 15 to 20 knots diminishing to 10 to
15 knots. waves 1 to 3 feet subsiding to 1 foot or less. 
.saturday...northwest winds 5 to 10 knots becoming west. waves
1 foot or less. 
.saturday night...northeast winds 5 to 10 knots becoming east. a
chance of rain and snow showers overnight. waves 1 foot or less. 
.sunday...east winds 10 to 15 knots becoming north and increasing
to 15 to 25 knots. rain and snow showers likely. waves 2 feet or
less building to 3 to 5 feet. 
.monday...north winds 15 to 25 knots. a chance of snow and rain
showers during the day. waves 3 to 5 feet subsiding to 1 to
3 feet. 
.tuesday...northwest winds 10 to 15 knots becoming southwest
15 to 20 knots. a chance of snow showers tuesday night. waves
2 feet or less building to 4 to 7 feet. waves occasionally around
9 feet. 

$$