fzus61 kbuf 102003
glflo 
expires:202608110300;;956388

open lake forecast for lake ontario
national weather service buffalo ny
403 pm edt mon aug 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 warm front sweeps northeastward across lake ontario 
this morning, followed by a cold front crossing the lake late this 
evening. behind the cold front, a trough averaging 29.8 inches will 
linger over the eastern great lakes through thursday. a cold front 
sweeps across the lake thursday night, with a 30.2 inch high 
pressure ridge building in from the upper great lakes on friday.


loz062-110300-
lake ontario open waters from the niagara river to hamlin beach-
403 pm edt mon aug 10 2026

.tonight...west winds 15 to 20 knots becoming northwest 5 to
15 knots. waves 1 to 3 feet subsiding to 1 foot or less. 
.tuesday...west winds 5 to 10 knots becoming southwest. waves
1 foot or less. 
.tuesday night...west winds 10 knots or less becoming north.
waves 1 foot or less. 
.wednesday...northwest winds less than 10 knots becoming
southwest. waves 1 foot or less. 
.wednesday night...southwest winds 5 to 10 knots becoming west. a
chance of showers. waves 1 foot or less. 
.thursday...northwest winds 5 to 10 knots. a chance of showers
during the day. waves 1 foot or less. 
.friday...north winds 5 to 10 knots becoming northeast. waves
1 foot or less. 
.saturday...northeast winds 10 knots or less becoming southeast.
waves 1 foot or less. 

$$

fzus61 kbuf 102003
glflo 
expires:202608110300;;956389

open lake forecast for lake ontario
national weather service buffalo ny
403 pm edt mon aug 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 warm front sweeps northeastward across lake ontario 
this morning, followed by a cold front crossing the lake late this 
evening. behind the cold front, a trough averaging 29.8 inches will 
linger over the eastern great lakes through thursday. a cold front 
sweeps across the lake thursday night, with a 30.2 inch high 
pressure ridge building in from the upper great lakes on friday.


loz063>065-110300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
403 pm edt mon aug 10 2026

.tonight...west winds 15 to 20 knots becoming northwest 10 to
15 knots. a chance of showers and thunderstorms late this
evening. waves 1 to 3 feet. 
.tuesday...west winds 5 to 10 knots. waves 2 feet or less. 
.tuesday night...west winds 10 knots or less becoming northwest.
waves 2 feet or less. 
.wednesday...northwest winds 10 knots or less becoming west.
waves 1 foot or less. 
.wednesday night...west winds 5 to 10 knots. a chance of showers.
waves 1 foot or less. 
.thursday...west winds 5 to 10 knots becoming northwest. a chance
of showers. waves 2 feet or less. 
.friday...north winds 5 to 15 knots becoming northeast. waves
2 feet or less. 
.saturday...north winds 10 knots or less becoming southeast.
waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 110131
glfle 
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open lake forecast for lake erie
national weather service cleveland oh
931 pm edt mon aug 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 stationary front will oscillate near lake erie through mid week
with areas of low pressure around 29.90 inches rippling along it.
it then passes through as a cold front thursday with high pressure
30.20 inches building in for the end of the week and the weekend.


lez061-168-169-110830-
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-
931 pm edt mon aug 10 2026

.rest of tonight...west winds 5 to 10 knots. a slight chance of
showers and thunderstorms, then a chance of showers with a slight
chance of thunderstorms late. waves 1 to 3 feet. 
.tuesday...southwest winds 10 knots or less becoming west. a
chance of showers and thunderstorms early. a slight chance of
showers and thunderstorms late. waves around 1 foot. 
.tuesday night...west winds less than 10 knots becoming east. a
chance of showers overnight. waves 1 foot or less. 
.wednesday...southwest winds less than 10 knots becoming west.
waves 1 foot or less. 
.wednesday night...west winds 5 to 10 knots. showers likely.
waves 1 foot or less. 
.thursday...northwest winds 5 to 10 knots becoming north. waves
2 feet or less. 
.friday...northeast winds 5 to 10 knots becoming east. waves
2 feet or less. 
.saturday...east winds 5 to 10 knots becoming south. a chance of
showers saturday night. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$