fzus61 kbuf 211409
glflo 
expires:202603212100;;060335

open lake forecast for lake ontario
national weather service buffalo ny
1009 am edt sat mar 21 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 30.1 inch high will build across the lake today. a 
29.6 inch low will then cross the lower great lakes sunday before 
sliding off the mid-atlantic coast monday. a 30.4 inch high is 
forecast to build across the upper great lakes monday, then move to 
the lower great lakes tuesday while strengthening to 30.5 inches. a 
29.8 inch low tracking across quebec will then push its associated 
cold front across the lake on wednesday.


loz062-212100-
lake ontario open waters from the niagara river to hamlin beach-
1009 am edt sat mar 21 2026

.this afternoon...light and variable winds becoming east 5 to
10 knots. waves 1 foot or less. 
.tonight...east winds 10 to 15 knots. a chance of rain and snow
early, then a chance of rain from late evening on. waves 1 to
2 feet building to 3 to 5 feet. 
.sunday...northeast winds 5 to 15 knots becoming north. rain
likely. waves 1 to 3 feet. 
.sunday night...northeast winds 10 to 15 knots increasing to
15 to 20 knots. a chance of rain and snow showers in the evening,
then a chance of snow showers overnight. waves 2 to 4 feet. 
.monday...north winds 15 to 20 knots diminishing to 5 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.tuesday...west winds 5 to 15 knots increasing to 15 to 20 knots.
waves 1 to 3 feet building to 2 to 4 feet. 
.wednesday...northwest winds 15 to 20 knots becoming east. waves
3 to 5 feet subsiding to 2 to 4 feet. 

$$

fzus61 kbuf 211409
glflo 
expires:202603212100;;060336

open lake forecast for lake ontario
national weather service buffalo ny
1009 am edt sat mar 21 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 30.1 inch high will build across the lake today. a 
29.6 inch low will then cross the lower great lakes sunday before 
sliding off the mid-atlantic coast monday. a 30.4 inch high is 
forecast to build across the upper great lakes monday, then move to 
the lower great lakes tuesday while strengthening to 30.5 inches. a 
29.8 inch low tracking across quebec will then push its associated 
cold front across the lake on wednesday.


loz063-064-212100-
lake ontario open waters from hamlin beach to mexico bay-
1009 am edt sat mar 21 2026

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

$$

fzus61 kbuf 211409
glflo 
expires:202603212100;;060337

open lake forecast for lake ontario
national weather service buffalo ny
1009 am edt sat mar 21 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 30.1 inch high will build across the lake today. a 
29.6 inch low will then cross the lower great lakes sunday before 
sliding off the mid-atlantic coast monday. a 30.4 inch high is 
forecast to build across the upper great lakes monday, then move to 
the lower great lakes tuesday while strengthening to 30.5 inches. a 
29.8 inch low tracking across quebec will then push its associated 
cold front across the lake on wednesday.


loz065-212100-
lake ontario open waters from mexico bay to the saint lawrence
river-
1009 am edt sat mar 21 2026

.this afternoon...light and variable winds. waves 1 foot or less. 
.tonight...northeast winds 10 knots or less becoming southeast
10 to 15 knots. a chance of snow late in the evening. rain and
snow likely after midnight, then rain likely late. waves 2 feet
or less. 
.sunday...southeast winds 10 to 15 knots becoming north. rain
likely. waves 2 feet or less. 
.sunday night...north winds 10 to 15 knots becoming northeast
15 to 20 knots. a chance of snow and rain showers in the evening,
then a chance of snow showers overnight. waves 1 to 3 feet
building to 2 to 4 feet. 
.monday...north winds 15 to 20 knots diminishing to 5 to
15 knots. waves 2 to 4 feet subsiding to 1 foot or less. 
.tuesday...northwest winds 5 to 10 knots becoming southwest and
increasing to 15 to 20 knots. a chance of snow and rain showers
tuesday night. waves 2 feet or less building to 3 to 6 feet. 
.wednesday...northwest winds 15 to 20 knots becoming east. a
chance of rain and snow showers during the day. waves 3 to 6 feet
subsiding to 1 to 3 feet. 

$$