fzus61 kbuf 111402
glflo 
expires:202605112100;;383977

open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt mon may 11 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 build from the upper great 
lakes today to the lower great lakes by tuesday before drifting off 
the east coast tuesday night. a 29.7 inch low will then move from 
the central great lakes tuesday night to the lower great lakes 
wednesday before drifting to the eastern seaboard thursday. this low 
will remain over the gulf of maine through friday before moving into 
the canadian maritimes saturday.


loz062-112100-
lake ontario open waters from the niagara river to hamlin beach-
1002 am edt mon may 11 2026

.rest of today...west winds 5 to 10 knots. waves 1 foot or less. 
.tonight...west winds 5 to 10 knots becoming northwest. waves
1 foot or less. 
.tuesday...north winds 10 knots or less becoming northeast. waves
1 foot or less. 
.tuesday night...southeast winds 5 to 15 knots. showers. waves
1 to 3 feet. 
.wednesday...south winds 10 to 15 knots becoming west. showers.
waves 1 to 3 feet. 
.thursday...northwest winds 5 to 10 knots. a chance of showers
during the day. waves 1 to 2 feet. 
.friday...west winds 5 to 10 knots becoming southwest. waves
1 foot or less. 

$$

fzus61 kbuf 111402
glflo 
expires:202605112100;;383978

open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt mon may 11 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 build from the upper great 
lakes today to the lower great lakes by tuesday before drifting off 
the east coast tuesday night. a 29.7 inch low will then move from 
the central great lakes tuesday night to the lower great lakes 
wednesday before drifting to the eastern seaboard thursday. this low 
will remain over the gulf of maine through friday before moving into 
the canadian maritimes saturday.


loz063>065-112100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 am edt mon may 11 2026

.rest of today...west winds 5 to 15 knots. a chance of showers
late this morning. waves 2 feet or less. 
.tonight...west winds 5 to 10 knots becoming north. waves 2 feet
or less. 
.tuesday...north winds 10 knots or less. waves 1 foot or less. 
.tuesday night...east winds 10 knots or less becoming southeast
and increasing to 15 to 20 knots overnight. showers overnight.
waves 1 foot or less building to 1 to 3 feet. 
.wednesday...southeast winds 15 to 25 knots becoming southwest
and diminishing to 5 to 15 knots. showers. waves 3 to 5 feet
subsiding to 1 to 3 feet. 
.thursday...west winds 5 to 10 knots becoming northwest. a chance
of showers during the day. waves 2 feet or less. 
.friday...northwest winds 5 to 10 knots becoming southwest. waves
1 foot or less. 

$$

fzus61 kcle 111937
glfle 
expires:202605120215;;398158

open lake forecast for lake erie
national weather service cleveland oh
337 pm edt mon may 11 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 30.20 inches will persist across the region through
tonight. low pressure 29.90 inches will move east through the 
lower great lakes late tuesday into wednesday, extending a cold
front across the area late wednesday. high pressure 30.10 inches
will build into the region thursday into friday.


lez061-168-169-120215-
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-
337 pm edt mon may 11 2026

.tonight...west winds 10 knots or less becoming northeast. waves
1 foot or less. 
.tuesday...east winds less than 10 knots. waves 1 foot or less. 
.tuesday night...east winds 5 to 15 knots becoming south 15 to
20 knots. a chance of showers in the evening, then showers
overnight. waves 1 to 3 feet building to 2 to 4 feet. 
.wednesday...southwest winds 15 to 20 knots becoming west.
showers likely. waves 3 to 5 feet subsiding to 2 to 4 feet. 
.wednesday night...west winds 10 to 15 knots increasing to 15 to
20 knots. a chance of showers. waves 2 to 4 feet. 
.thursday...northwest winds 15 to 20 knots diminishing to 5 to
15 knots. waves 2 to 4 feet subsiding to 1 foot or less. 
.friday...northwest winds 5 to 10 knots becoming southwest. waves
1 foot or less. 
.saturday...southwest winds 5 to 15 knots. a chance of showers
during the day. waves 1 to 2 feet. 

$$