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open lake forecast for lake ontario
national weather service buffalo ny
1009 am edt mon mar 23 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 30.4 inch high will then build across lower michigan 
today, and the mid-atlantic states tuesday. a 29.8 inch low tracking 
across quebec will then push its associated cold front across the 
lake late wednesday, with another 29.6 inch low then developing 
across the central great lakes or the ohio valley late thursday and 
moving off the southern new england coast friday.


loz062-232100-
lake ontario open waters from the niagara river to hamlin beach-
1009 am edt mon mar 23 2026

.this afternoon...north winds 10 to 15 knots becoming northwest. a
chance of snow showers. waves 1 to 3 feet. 
.tonight...northwest winds 15 to 20 knots diminishing to 10 to
15 knots. waves 2 to 4 feet building to 3 to 5 feet, then
subsiding to 1 to 3 feet. 
.tuesday...northwest winds 5 to 10 knots becoming southwest and
increasing to 15 to 20 knots. waves 1 to 3 feet building to 2 to
4 feet. 
.tuesday night...southwest winds 15 to 20 knots diminishing to
5 to 15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.wednesday...south winds 5 to 10 knots becoming southwest. a
chance of rain showers wednesday night. waves 2 feet or less. 
.thursday...southwest winds 10 to 15 knots becoming northwest
15 to 20 knots. a chance of rain showers during the day, then
rain showers likely with a chance of snow showers thursday night.
waves 1 to 3 feet building to 4 to 6 feet. 
.friday...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 2 to 4 feet. 

$$

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open lake forecast for lake ontario
national weather service buffalo ny
1009 am edt mon mar 23 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 30.4 inch high will then build across lower michigan 
today, and the mid-atlantic states tuesday. a 29.8 inch low tracking 
across quebec will then push its associated cold front across the 
lake late wednesday, with another 29.6 inch low then developing 
across the central great lakes or the ohio valley late thursday and 
moving off the southern new england coast friday.


loz063-064-232100-
lake ontario open waters from hamlin beach to mexico bay-
1009 am edt mon mar 23 2026

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

$$

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open lake forecast for lake ontario
national weather service buffalo ny
1009 am edt mon mar 23 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 30.4 inch high will then build across lower michigan 
today, and the mid-atlantic states tuesday. a 29.8 inch low tracking 
across quebec will then push its associated cold front across the 
lake late wednesday, with another 29.6 inch low then developing 
across the central great lakes or the ohio valley late thursday and 
moving off the southern new england coast friday.


loz065-232100-
lake ontario open waters from mexico bay to the saint lawrence
river-
1009 am edt mon mar 23 2026

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

$$

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open lake forecast for lake erie
national weather service cleveland oh
927 am edt mon mar 23 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 trough averaging 30.00 inches will exit to the east today as a
ridge averaging 30.40 inches builds east. the ridge will maintain
influence over lake erie through tuesday before shifting east on 
wednesday. a strong cold front will move southeast across the lake
late thursday with high pressure 30.40 inches building southeast 
into the region friday.


lez061-168-169-232015-
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-
927 am edt mon mar 23 2026

.this afternoon...north winds 10 to 15 knots becoming northwest
15 to 20 knots. a chance of snow showers. waves 1 to 3 feet
building to 2 to 4 feet. 
.tonight...northwest winds 15 to 20 knots becoming north and
diminishing to less than 10 knots after midnight. a slight chance
of snow showers early. waves 2 to 4 feet subsiding to 1 to
3 feet. 
.tuesday...light and variable winds becoming west 10 to 15 knots.
waves 2 feet or less. 
.tuesday night...southwest winds 5 to 10 knots becoming south.
waves 2 feet or less. 
.wednesday...south winds 5 to 10 knots becoming southwest. waves
2 feet or less. 
.thursday...southwest winds 10 to 15 knots becoming northwest
15 to 20 knots. a chance of rain showers during the day, then
rain likely with a chance of snow thursday night. waves 1 to
3 feet building to 2 to 4 feet. 
.friday...north winds 15 to 20 knots becoming northwest 5 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 

$$