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open lake forecast for lake ontario
national weather service buffalo ny
1002 pm edt mon aug 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 ridge averaging 30.1 inches will build from the 
western and central great lakes tuesday through wednesday. the ridge 
will exit eastward thursday and allow a warm front to sweep 
northeastward across lake ontario. friday, a cold front should sweep 
eastward across the lake and be followed by a high pressure ridge 
averaging 30.0 inches and building from the upper midwest.


loz062-250900-
lake ontario open waters from the niagara river to hamlin beach-
1002 pm edt mon aug 24 2026

.rest of tonight...west winds 15 to 20 knots. a chance of
waterspouts. a chance of showers. waves 2 to 4 feet. 
.tuesday...northwest winds 15 to 20 knots becoming west 5 to
15 knots. waves 1 to 3 feet. 
.tuesday night...west winds 10 knots or less becoming southwest.
waves 2 feet or less. 
.wednesday...south winds 10 knots or less becoming southeast.
waves 1 foot or less. 
.wednesday night...southeast winds 5 to 15 knots becoming south.
a chance of showers overnight. waves 2 feet or less. 
.thursday...southwest winds 5 to 15 knots becoming northwest.
showers likely with a chance of thunderstorms during the day,
then a chance of showers and thunderstorms thursday night. waves
1 to 2 feet. 
.friday...northwest winds 5 to 10 knots becoming north. waves
1 foot or less. 
.saturday...north winds 10 knots or less becoming south. waves
1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 250202
glflo 
expires:202608250900;;310111

open lake forecast for lake ontario
national weather service buffalo ny
1002 pm edt mon aug 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 ridge averaging 30.1 inches will build from the 
western and central great lakes tuesday through wednesday. the ridge 
will exit eastward thursday and allow a warm front to sweep 
northeastward across lake ontario. friday, a cold front should sweep 
eastward across the lake and be followed by a high pressure ridge 
averaging 30.0 inches and building from the upper midwest.


loz063>065-250900-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 pm edt mon aug 24 2026

.rest of tonight...west winds 15 to 20 knots. a chance of
waterspouts. showers with a chance of thunderstorms late this
evening, then showers likely after midnight. waves 3 to 6 feet. 
.tuesday...northwest winds 15 to 20 knots becoming west 10 to
15 knots. a chance of waterspouts early. a chance of showers in
the morning. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.tuesday night...west winds 5 to 15 knots. waves 1 to 3 feet
subsiding to 1 foot or less. 
.wednesday...southwest winds 10 knots or less becoming southeast.
waves 1 foot or less. 
.wednesday night...southeast winds 5 to 15 knots becoming south
15 to 20 knots. waves 1 foot or less building to 1 to 3 feet. 
.thursday...south winds 15 to 20 knots becoming west 5 to
15 knots. showers likely with a chance of thunderstorms. waves
1 to 3 feet subsiding to 1 foot or less. 
.friday...northwest winds 5 to 10 knots becoming north. waves
1 foot or less. 
.saturday...north winds 10 knots or less becoming south. waves
1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

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glfle 
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open lake forecast for lake erie
national weather service cleveland oh
930 pm edt mon aug 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...
high pressure 30.00 inches builds across the great lakes tonight 
into wednesday. low pressure 29.80 inches will track through the 
northern great lakes wednesday into thursday, pulling a cold front
across the lake. high pressure 30.10 inches will return friday and
saturday.


lez061-166>169-250815-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-
avon point to willowick oh beyond 5 nm off shoreline to us-
canadian border-willowick to geneva-on-the-
lake oh beyond 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-
930 pm edt mon aug 24 2026

.overnight...northwest winds 15 to 20 knots diminishing to
10 to 15 knots. a chance of waterspouts. a slight chance of
showers. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.tuesday...northwest winds 5 to 10 knots becoming west. a slight
chance of showers early. a chance of waterspouts in the morning.
waves 2 feet or less. 
.tuesday night...west winds 10 knots or less becoming south.
waves 1 foot or less. 
.wednesday...south winds 5 to 10 knots becoming southwest. waves
2 feet or less. 
.wednesday night...south winds 10 to 15 knots becoming southwest.
showers likely overnight. waves 1 to 3 feet. 
.thursday...southwest winds 5 to 15 knots becoming northwest. a
chance of showers. waves 1 to 3 feet subsiding to 1 foot or less.
.friday...north winds 5 to 10 knots becoming northeast. waves
1 foot or less. 
.saturday...north winds 10 knots or less becoming south. waves
1 foot or less. 

winds and waves higher in and near thunderstorms.

$$