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open lake forecast for lake ontario
national weather service buffalo ny
1002 pm edt fri jul 10 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 high pressure ridge averaging 30.2 inches builds from 
northern ontario and vicinity through this weekend. on monday 
through tuesday, the ridge should begin to exit southeastward from 
the lake ontario region and allow a warm front to sweep 
northeastward across the lake on tuesday. on wednesday, a cold front 
should drift southward across lake ontario.


loz062-110900-
lake ontario open waters from the niagara river to hamlin beach-
1002 pm edt fri jul 10 2026

.overnight...light and variable winds becoming northeast
5 to 10 knots. waves 1 foot or less. 
.saturday...northeast winds 10 knots or less becoming southeast.
waves 1 foot or less. 
.saturday night...southeast winds less than 10 knots. waves
1 foot or less. 
.sunday...light and variable winds. waves 1 foot or less. 
.sunday night...southeast winds less than 10 knots becoming
south. waves 1 foot or less. 
.monday...southwest winds 5 to 15 knots. waves 2 feet or less. 
.tuesday...southwest winds 15 to 20 knots becoming west. waves
1 to 3 feet building to 3 to 5 feet. 
.wednesday...west winds 15 to 20 knots becoming northwest 10 to
15 knots. waves 2 to 4 feet subsiding to 1 to 2 feet. 

$$

fzus61 kbuf 110202
glflo 
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open lake forecast for lake ontario
national weather service buffalo ny
1002 pm edt fri jul 10 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 high pressure ridge averaging 30.2 inches builds from 
northern ontario and vicinity through this weekend. on monday 
through tuesday, the ridge should begin to exit southeastward from 
the lake ontario region and allow a warm front to sweep 
northeastward across the lake on tuesday. on wednesday, a cold front 
should drift southward across lake ontario.


loz063>065-110900-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 pm edt fri jul 10 2026

.overnight...north winds 10 knots or less becoming
northeast. waves 1 foot or less. 
.saturday...northeast winds 5 to 10 knots. waves 2 feet or less. 
.saturday night...north winds 5 to 10 knots becoming light and
variable. waves 1 foot or less. 
.sunday...light and variable winds becoming northwest 5 to
10 knots. waves 1 foot or less. 
.sunday night...southwest winds 10 knots or less becoming south.
waves 1 foot or less. 
.monday...southwest winds 10 to 15 knots. waves 2 feet or less. 
.tuesday...west winds 15 to 25 knots. waves 1 to 3 feet building
to 3 to 6 feet. 
.wednesday...west winds 15 to 20 knots becoming northwest and
diminishing to 5 to 10 knots. 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
954 pm edt fri jul 10 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 weak cold front will continue to move south across ohio tonight.
low pressure of 29.90 inches will move east through the ohio
valley on saturday. high pressure of 30.10 inches will build over
the central great lakes on sunday then settle south to the ohio 
valley through the first half of next week.


lez061-168-169-110815-
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-
954 pm edt fri jul 10 2026

.overnight...northeast winds 10 knots or less. waves 1 foot
or less. 
.saturday...northeast winds 5 to 15 knots. waves 1 to 3 feet. 
.saturday night...northeast winds 5 to 15 knots becoming east.
waves 1 to 3 feet. 
.sunday...east winds 5 to 10 knots becoming northeast. waves
2 feet or less. 
.sunday night...northeast winds 10 knots or less becoming
southeast. waves 2 feet or less. 
.monday...south winds 10 knots or less becoming southwest. waves
1 foot or less. 
.tuesday...southwest winds 10 to 15 knots becoming west. waves
1 to 3 feet. 
.wednesday...west winds 5 to 15 knots becoming northwest. waves
1 to 3 feet. 

$$