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open lake forecast for lake ontario
national weather service buffalo ny
403 pm edt sun mar 22 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 wavy cold frontal boundary averaging 29.6 inches will 
cross the lower great lakes today, before sliding off the mid-
atlantic coast tonight. a 30.4 inch high will then build across 
lower michigan monday, and the mid-atlantic states tuesday. a 29.8 
inch low tracking across quebec will then push its associated cold 
front across the lake on wednesday, with another 29.6 inch low then 
developing across the central great lakes and or the ohio valley 
thursday.


loz062-230300-
lake ontario open waters from the niagara river to hamlin beach-
403 pm edt sun mar 22 2026

.tonight...north winds 10 to 15 knots becoming northeast. waves
1 to 3 feet building to 2 to 4 feet. 
.monday...north winds 10 to 15 knots becoming northwest. waves
2 to 4 feet. 
.monday night...northwest 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 becoming southwest 15 to
20 knots. waves 1 to 3 feet. 
.tuesday night...southwest winds 10 to 15 knots. waves 1 to
3 feet. 
.wednesday...southwest winds 10 to 15 knots becoming east. a
chance of rain and snow showers wednesday night. waves 1 to
3 feet. 
.thursday...east winds 15 to 25 knots becoming northwest. a
chance of rain and snow showers during the day, then a chance of
rain showers thursday night. waves 2 to 4 feet building to 5 to
7 feet. waves occasionally around 9 feet. 
.friday...northwest winds 15 to 25 knots. waves 4 to 7 feet
subsiding to 3 to 5 feet. waves occasionally around 9 feet. 

$$

fzus61 kbuf 222003
glflo 
expires:202603230300;;128644

open lake forecast for lake ontario
national weather service buffalo ny
403 pm edt sun mar 22 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 wavy cold frontal boundary averaging 29.6 inches will 
cross the lower great lakes today, before sliding off the mid-
atlantic coast tonight. a 30.4 inch high will then build across 
lower michigan monday, and the mid-atlantic states tuesday. a 29.8 
inch low tracking across quebec will then push its associated cold 
front across the lake on wednesday, with another 29.6 inch low then 
developing across the central great lakes and or the ohio valley 
thursday.


loz063-064-230300-
lake ontario open waters from hamlin beach to mexico bay-
403 pm edt sun mar 22 2026

.tonight...north winds 15 to 20 knots becoming northeast. waves
2 to 4 feet building to 3 to 5 feet. 
.monday...north winds 15 to 20 knots becoming northwest 10 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.monday night...northwest winds 15 to 20 knots diminishing to
10 to 15 knots. waves 1 to 3 feet building to 2 to 4 feet, then
subsiding to 1 to 3 feet. 
.tuesday...northwest winds 5 to 15 knots becoming west. waves
2 feet or less. 
.tuesday night...west winds 5 to 15 knots becoming southwest.
waves 1 to 2 feet. 
.wednesday...southwest winds 10 to 15 knots becoming east. a
chance of rain and snow showers wednesday night. waves 1 to
3 feet. 
.thursday...east winds 15 to 25 knots becoming northwest. a
chance of rain and snow showers during the day, then rain showers
likely with a chance of snow showers thursday night. waves 2 to
4 feet building to 5 to 8 feet. waves occasionally around
10 feet. 
.friday...north winds 15 to 25 knots becoming northwest. a chance
of rain and snow showers during the day. waves 5 to 8 feet
subsiding to 3 to 6 feet. waves occasionally around 10 feet. 

$$

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open lake forecast for lake ontario
national weather service buffalo ny
403 pm edt sun mar 22 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 wavy cold frontal boundary averaging 29.6 inches will 
cross the lower great lakes today, before sliding off the mid-
atlantic coast tonight. a 30.4 inch high will then build across 
lower michigan monday, and the mid-atlantic states tuesday. a 29.8 
inch low tracking across quebec will then push its associated cold 
front across the lake on wednesday, with another 29.6 inch low then 
developing across the central great lakes and or the ohio valley 
thursday.


loz065-230300-
lake ontario open waters from mexico bay to the saint lawrence
river-
403 pm edt sun mar 22 2026

.tonight...north winds 15 to 20 knots becoming northeast. waves
1 to 3 feet building to 2 to 4 feet. 
.monday...north winds 15 to 20 knots becoming northwest 10 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.monday night...northwest winds 10 to 15 knots becoming north.
waves 2 feet or less. 
.tuesday...northwest winds 10 knots or less becoming southwest
10 to 15 knots. waves 2 feet or less. 
.tuesday night...southwest winds 5 to 10 knots. waves 2 feet or
less. 
.wednesday...south winds 10 to 15 knots becoming northeast. a
chance of rain and snow showers wednesday night. waves 1 to
3 feet. 
.thursday...east winds 10 to 15 knots becoming northwest and
increasing to 15 to 25 knots. a chance of rain and snow showers
during the day, then rain and snow showers likely thursday night.
waves 1 to 3 feet building to 4 to 7 feet. waves occasionally
around 9 feet. 
.friday...north winds 15 to 25 knots. a chance of rain and snow
showers during the day. waves 3 to 6 feet subsiding to 1 to
3 feet. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
339 pm edt sun mar 22 2026

for waters beyond five nautical miles of shore on lake erie

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 strong cold front tracks will continue to move south of lake
erie this afternoon before high pressure 30.40 inches builds in 
on monday and tuesday. another warm front arrives wednesday, 
before becoming near stationary across the region through 
thursday. high pressure 30.00 inches returns for the end of the
week.


lez061-168-169-230215-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-geneva-on-the-
lake to conneaut oh beyond 5 nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
339 pm edt sun mar 22 2026

.tonight...north winds 10 to 15 knots. rain showers likely early,
then a chance of rain showers late this evening. waves 2 feet or
less. 
.monday...north winds 10 to 15 knots becoming northwest 15 to
20 knots. a slight chance of snow showers through early
afternoon, then a chance of snow showers late. waves 2 feet or
less. 
.monday night...northwest winds 15 to 20 knots becoming north and
diminishing to 10 knots or less overnight. waves 2 feet or less. 
.tuesday...south winds 10 knots or less becoming west. waves
1 foot or less. 
.tuesday night...southwest winds 10 knots or less becoming south.
waves 1 foot or less. 
.wednesday...south winds 5 to 10 knots becoming southeast. waves
1 foot or less. 
.thursday...south winds 5 to 15 knots becoming northwest 15 to
20 knots. a chance of rain. waves 2 feet or less building to 3 to
5 feet. 
.friday...north winds 15 to 20 knots becoming northwest 5 to
15 knots. waves 3 to 5 feet subsiding to 2 feet or less. 

$$