fzus61 kbuf 090203
glflo 
expires:202608090900;;856647

open lake forecast for lake ontario
national weather service buffalo ny
1003 pm edt sat aug 8 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 30.0 inches exits 
eastward before a cold front sweeps eastward across lake ontario 
tonight. behind the front, a ridge averaging 30.1 inches builds from 
the western great lakes through sunday. this ridge begins to exit 
eastward sunday night and another cold front should sweep eastward 
across lake ontario monday night. behind the front, a trough 
averaging 29.8 inches should linger over the eastern great lakes 
through this thursday.


loz062-090900-
lake ontario open waters from the niagara river to hamlin beach-
1003 pm edt sat aug 8 2026

.overnight...southwest winds 5 to 10 knots becoming
northwest and increasing to 15 to 25 knots. a
chance of showers and thunderstorms. waves around 1 foot. 
.sunday...northwest winds 15 to 20 knots becoming southwest and
diminishing to 5 to 10 knots. waves 2 feet or less. 
.sunday night...south winds 5 to 10 knots. waves 1 foot or less. 
.monday...southwest winds 5 to 15 knots becoming west. showers
likely. waves 2 feet or less. 
.monday night...west winds 5 to 15 knots. a chance of showers.
waves 1 to 2 feet. 
.tuesday...west winds 10 knots or less becoming northwest. a
chance of showers and thunderstorms. waves 1 foot or less. 
.wednesday...northwest winds 10 knots or less becoming west. a
chance of showers wednesday night. waves 1 foot or less. 
.thursday...west winds 5 to 15 knots becoming northwest. a chance
of showers during the day. waves 1 to 2 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 090203
glflo 
expires:202608090900;;856648

open lake forecast for lake ontario
national weather service buffalo ny
1003 pm edt sat aug 8 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 30.0 inches exits 
eastward before a cold front sweeps eastward across lake ontario 
tonight. behind the front, a ridge averaging 30.1 inches builds from 
the western great lakes through sunday. this ridge begins to exit 
eastward sunday night and another cold front should sweep eastward 
across lake ontario monday night. behind the front, a trough 
averaging 29.8 inches should linger over the eastern great lakes 
through this thursday.


loz063>065-090900-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1003 pm edt sat aug 8 2026

.overnight...southwest winds 10 to 15 knots becoming west
15 to 20 knots. a chance of showers and thunderstorms.
waves 2 feet or less. 
.sunday...west winds 10 to 15 knots. waves 1 to 3 feet. 
.sunday night...west winds 5 to 15 knots becoming south. waves
2 feet or less. 
.monday...south winds 10 to 15 knots becoming west. showers
likely in the morning, then showers likely with a chance of
thunderstorms in the afternoon. waves 2 feet or less. 
.monday night...west winds 10 to 15 knots. showers likely in the
evening, then a chance of showers overnight. waves 1 to 2 feet. 
.tuesday...west winds 5 to 10 knots becoming northwest. waves
2 feet or less. 
.wednesday...west winds 5 to 10 knots becoming southwest. a
chance of showers wednesday night. waves 1 foot or less. 
.thursday...west winds 5 to 15 knots becoming northwest. a chance
of showers. waves 1 to 2 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 090122
glfle 
expires:202608090815;;855963

open lake forecast for lake erie
national weather service cleveland oh
922 pm edt sat aug 8 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 cold front glides east across lake erie tonight. a ridge 
averaging 30.00 inches will build over the region for sunday. a 
series of weak low pressure systems 29.90 inches will move through
the region sunday night through tuesday. high pressure 30.00 
inches will build into the region for wednesday.


lez061-168-169-090815-
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-
922 pm edt sat aug 8 2026

.rest of tonight...southwest winds 5 to 15 knots becoming north.
a chance of showers with a slight chance of thunderstorms late
this evening, then a slight chance of showers and thunderstorms
after midnight. waves 1 to 3 feet. 
.sunday...north winds less than 10 knots. waves 2 feet or less. 
.sunday night...light and variable winds becoming southwest 10 to
15 knots. a chance of showers and thunderstorms overnight. waves
1 foot or less building to 1 to 3 feet. 
.monday...southwest winds 15 to 20 knots becoming west 10 to
15 knots. showers likely with a chance of thunderstorms in the
morning, then a chance of showers and thunderstorms in the
afternoon. waves 2 to 4 feet building to 3 to 5 feet. 
.monday night...west winds 5 to 15 knots. showers likely with a
chance of thunderstorms. waves 2 to 4 feet subsiding to 1 to
2 feet. 
.tuesday...west winds 10 knots or less becoming northwest. a
chance of showers and thunderstorms during the day, then a chance
of showers tuesday night. waves 1 to 2 feet. 
.wednesday...north winds 10 knots or less becoming southwest. a
chance of showers wednesday night. waves 1 foot or less. 
.thursday...southwest winds 5 to 10 knots becoming north. a
chance of showers during the day. waves 1 to 2 feet. 

winds and waves higher in and near thunderstorms.

$$