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open lake forecast for lake ontario
national weather service buffalo ny
1009 am edt tue mar 24 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 centered over the ohio valley this 
afternoon will drift off the mid atlantic coast tonight, while a 
30.3 inch high over quebec ridges south across the lake tonight into 
wednesday. a weak 29.7 inch low over the central great lakes 
wednesday night will pass north of the lake on thursday, then to the 
gulf of saint lawrence by early friday, with a trailing cold front 
crossing the lake thursday evening. a large 30.7 inch high will then 
build cross the great lakes region friday through sunday.


loz062-242100-
lake ontario open waters from the niagara river to hamlin beach-
1009 am edt tue mar 24 2026

.this afternoon...southwest winds 5 to 15 knots. waves 1 to
3 feet. 
.tonight...southwest winds 5 to 15 knots. waves 1 to 3 feet. 
.wednesday...south winds 5 to 10 knots becoming east. waves
1 foot or less. 
.wednesday night...east winds 5 to 10 knots becoming south. waves
around 1 foot. 
.thursday...southwest winds 10 to 15 knots becoming northwest
15 to 20 knots. rain showers likely. waves 1 to 2 feet building
to 3 to 5 feet. 
.friday...north winds 15 to 20 knots becoming northwest. waves
3 to 5 feet subsiding to 2 to 4 feet. 
.saturday...west winds 15 to 20 knots. waves 2 to 4 feet building
to 3 to 6 feet. 

$$

fzus61 kbuf 241410
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open lake forecast for lake ontario
national weather service buffalo ny
1009 am edt tue mar 24 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 centered over the ohio valley this 
afternoon will drift off the mid atlantic coast tonight, while a 
30.3 inch high over quebec ridges south across the lake tonight into 
wednesday. a weak 29.7 inch low over the central great lakes 
wednesday night will pass north of the lake on thursday, then to the 
gulf of saint lawrence by early friday, with a trailing cold front 
crossing the lake thursday evening. a large 30.7 inch high will then 
build cross the great lakes region friday through sunday.


loz063-064-242100-
lake ontario open waters from hamlin beach to mexico bay-
1009 am edt tue mar 24 2026

.this afternoon...west winds 10 knots or less increasing to 10 to
15 knots. waves 2 feet or less. 
.tonight...west winds 5 to 15 knots. waves 1 to 3 feet. 
.wednesday...south winds 5 to 10 knots becoming east. waves
2 feet or less. 
.wednesday night...southeast winds 5 to 10 knots becoming south.
a chance of rain showers overnight. waves 2 feet or less. 
.thursday...south winds 10 to 15 knots becoming northwest 15 to
20 knots. rain showers likely. waves 1 to 3 feet building to 3 to
6 feet. 
.friday...north winds 15 to 20 knots becoming northwest. waves
3 to 6 feet subsiding to 2 to 4 feet. 
.saturday...west winds 15 to 25 knots. waves 2 to 4 feet building
to 4 to 7 feet. waves occasionally around 9 feet. 

$$

fzus61 kbuf 241410
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open lake forecast for lake ontario
national weather service buffalo ny
1009 am edt tue mar 24 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 centered over the ohio valley this 
afternoon will drift off the mid atlantic coast tonight, while a 
30.3 inch high over quebec ridges south across the lake tonight into 
wednesday. a weak 29.7 inch low over the central great lakes 
wednesday night will pass north of the lake on thursday, then to the 
gulf of saint lawrence by early friday, with a trailing cold front 
crossing the lake thursday evening. a large 30.7 inch high will then 
build cross the great lakes region friday through sunday.


loz065-242100-
lake ontario open waters from mexico bay to the saint lawrence
river-
1009 am edt tue mar 24 2026

.this afternoon...west winds 5 to 15 knots becoming southwest.
waves 2 feet or less. 
.tonight...southwest winds 5 to 15 knots becoming west. waves
1 to 3 feet. 
.wednesday...north winds 5 to 10 knots becoming southeast. waves
2 feet or less. 
.wednesday night...southeast winds 5 to 10 knots becoming south.
a chance of rain showers. waves 2 feet or less. 
.thursday...south winds 10 to 15 knots becoming northwest 15 to
20 knots. rain showers likely. waves 1 to 3 feet building to 3 to
5 feet. 
.friday...north winds 15 to 25 knots diminishing to 10 to
15 knots. waves 3 to 5 feet subsiding to 2 feet or less. 
.saturday...west winds 10 to 15 knots increasing to 15 to
20 knots. waves 1 to 3 feet building to 3 to 6 feet. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
issued by national weather service buffalo ny
1001 am edt tue mar 24 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 high pressure ridge averaging 30.40 inches exits slowly eastward
through thursday afternoon, which will allow a warm front to sweep
northward across lake erie late this morning. during thursday
evening, a strong cold front is expected to sweep southeastward
across lake erie. behind the front, a ridge averaging 30.20 inches
is expected to impact lake erie through saturday as the embedded
high pressure center wobbles southeastward from the northern great
plains toward the central appalachians.


lez061-168-169-242030-
lake erie open waters from ripley to buffalo ny-
lake erie open waters from geneva-on-the-lake to conneaut oh-
lake erie open waters from conneaut oh to ripley ny-
1001 am edt tue mar 24 2026

.this afternoon...southwest winds 10 knots or less becoming west.
waves 2 feet or less. 
.tonight...southwest winds 10 knots or less becoming south. waves
2 feet or less. 
.wednesday...south winds less than 10 knots. waves 1 foot or
less. 
.wednesday night...southeast winds 10 knots or less becoming
southwest. waves 2 feet or less. 
.thursday...southwest winds 10 to 15 knots becoming northwest.
rain likely. waves 1 to 3 feet building to 2 to 4 feet. 
.friday...north winds 5 to 15 knots becoming northwest. waves
1 to 3 feet. 
.saturday...west winds 10 to 15 knots. waves 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$