fzus61 kbuf 162002
glflo 
expires:202608170300;;307065

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt sun aug 16 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...
high pressure will continue to exit eastward today before a warm 
front drifts northeastward across lake ontario this evening and is 
followed by a cold frontal passage tonight. behind the cold front, a 
trough averaging 29.8 inches should linger over lake ontario through 
monday. a 30.0 inch high will build from the upper midwest monday 
night and traverse lake ontario tuesday. the ridge will begin to 
exit east tuesday night before a cold front sweeps southeastward 
across the lake wednesday through wednesday night. a 30.1 inch high 
will build across the great lakes thursday.


loz062-170300-
lake ontario open waters from the niagara river to hamlin beach-
402 pm edt sun aug 16 2026

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

$$

fzus61 kbuf 162002
glflo 
expires:202608170300;;307066

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt sun aug 16 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...
high pressure will continue to exit eastward today before a warm 
front drifts northeastward across lake ontario this evening and is 
followed by a cold frontal passage tonight. behind the cold front, a 
trough averaging 29.8 inches should linger over lake ontario through 
monday. a 30.0 inch high will build from the upper midwest monday 
night and traverse lake ontario tuesday. the ridge will begin to 
exit east tuesday night before a cold front sweeps southeastward 
across the lake wednesday through wednesday night. a 30.1 inch high 
will build across the great lakes thursday.


loz063>065-170300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 pm edt sun aug 16 2026

.tonight...southeast winds 15 to 20 knots becoming southwest. a
chance of showers and thunderstorms this evening, then a chance
of showers after midnight. waves 1 to 3 feet building to 2 to
4 feet, then subsiding to 2 feet or less. 
.monday...west winds 10 to 15 knots becoming northwest. a chance
of showers early. a chance of showers in the afternoon. waves
2 feet or less. 
.monday night...northwest winds 10 knots or less becoming north.
waves 2 feet or less. 
.tuesday...north winds 10 knots or less becoming west. waves
1 foot or less. 
.tuesday night...southwest winds 5 to 15 knots. a chance of
showers overnight. waves 2 feet or less. 
.wednesday...west winds 5 to 15 knots becoming northwest. showers
likely during the day. waves 1 to 3 feet. 
.thursday...northwest winds 5 to 10 knots. waves 1 foot or less. 
.friday...southwest winds 10 knots or less becoming south. waves
1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 162002
glfle 
expires:202608170230;;307061

open lake forecast for lake erie
national weather service cleveland oh
402 pm edt sun aug 16 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 will cross the lake tonight. high pressure 30.00 
inches will build from the north on monday and move south of the
lake on tuesday. a cold front will cross the lake on wednesday.
high pressure 30.20 inches will build back over the lake on
thursday and friday.


lez061-168-169-170230-
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-
402 pm edt sun aug 16 2026

.tonight...southwest winds 5 to 15 knots becoming northwest. a
chance of showers and thunderstorms through the early overnight,
then a chance of showers with a slight chance of thunderstorms
late. waves 2 feet or less building to 2 to 3 feet. 
.monday...northwest winds 5 to 15 knots becoming west. waves 1 to
3 feet. 
.monday night...west winds 5 to 15 knots becoming north less than
10 knots. waves 2 feet or less. 
.tuesday...northwest winds 10 knots or less becoming west. waves
2 feet or less. 
.tuesday night...southwest winds 10 to 15 knots becoming west.
showers likely overnight. waves 1 to 3 feet. 
.wednesday...northwest winds 5 to 15 knots becoming north.
showers likely during the day. waves 1 to 3 feet subsiding to
1 foot or less. 
.thursday...northeast winds 5 to 10 knots. waves 1 foot or less. 
.friday...east winds 10 knots or less becoming south. waves
1 foot or less. 

winds and waves higher in and near thunderstorms.

$$