fzus61 kbuf 212002
glflo 
expires:202608220300;;125852

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt fri aug 21 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 30.1 inch high will drift east across the canadian 
maritimes tonight through saturday. an elongated 29.7 inch low will 
slowly make its way from the central great lakes to western quebec 
saturday and sunday, while pushing its associated warm and cold 
fronts across the lake between saturday night and sunday morning. 
the low will wobble across western quebec through monday, then eject 
northeastward into labrador on tuesday while a 30.1 inch high builds 
eastward across the ohio valley.


loz062-220300-
lake ontario open waters from the niagara river to hamlin beach-
402 pm edt fri aug 21 2026

.tonight...east winds 10 to 15 knots becoming southeast 15 to
20 knots. waves 1 to 3 feet. 
.saturday...southeast winds 5 to 15 knots becoming east. a chance
of showers and thunderstorms late. waves 1 to 2 feet. 
.saturday night...southeast winds 5 to 15 knots becoming
southwest. showers with a chance of thunderstorms. waves 1 to
2 feet. 
.sunday...southwest winds 10 to 15 knots becoming west 15 to
20 knots. showers likely in the morning, then showers with a
chance of thunderstorms in the afternoon. waves 1 to 3 feet
building to 3 to 5 feet. 
.sunday night...west winds 15 to 20 knots. showers with a chance
of thunderstorms in the evening, then a chance of showers
overnight. waves 3 to 5 feet. 
.monday...west winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of showers. waves 3 to 5 feet subsiding to
2 to 4 feet. 
.tuesday...west winds 5 to 15 knots becoming southwest. waves
1 to 3 feet subsiding to 1 foot or less. 
.wednesday...southwest winds 10 knots or less becoming south. a
chance of showers wednesday night. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 212002
glflo 
expires:202608220300;;125853

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt fri aug 21 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 30.1 inch high will drift east across the canadian 
maritimes tonight through saturday. an elongated 29.7 inch low will 
slowly make its way from the central great lakes to western quebec 
saturday and sunday, while pushing its associated warm and cold 
fronts across the lake between saturday night and sunday morning. 
the low will wobble across western quebec through monday, then eject 
northeastward into labrador on tuesday while a 30.1 inch high builds 
eastward across the ohio valley.


loz063>065-220300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 pm edt fri aug 21 2026

.tonight...northeast winds 5 to 15 knots becoming southeast 15 to
20 knots. waves 1 to 3 feet building to 2 to 4 feet. 
.saturday...southeast winds 15 to 20 knots diminishing to 5 to
15 knots. a chance of showers and thunderstorms late. waves 2 to
4 feet subsiding to 1 foot or less. 
.saturday night...southeast winds 10 to 15 knots becoming south
15 to 20 knots. showers with a chance of thunderstorms. waves
1 to 3 feet building to 2 to 4 feet. 
.sunday...south winds 15 to 20 knots becoming west. showers with
a chance of thunderstorms. waves 2 to 4 feet building to 3 to
5 feet. 
.sunday night...west winds 15 to 20 knots. showers with a chance
of thunderstorms in the evening, then showers overnight. waves
3 to 6 feet. 
.monday...west winds 15 to 25 knots. showers with a chance of
thunderstorms. waves 3 to 6 feet. 
.tuesday...west winds 15 to 20 knots diminishing to 5 to
15 knots. a chance of showers during the day. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.wednesday...southwest winds 10 knots or less becoming south
10 to 15 knots. waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 211944
glfle 
expires:202608220215;;125072

open lake forecast for lake erie
national weather service cleveland oh
344 pm edt fri aug 21 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 30.00 inches lingers over the lake this evening 
ahead of a cold front approaching from the west. pressure drops
steadily to 29.80 inches with the passage of the cold front
saturday late afternoon/evening. high pressure slowly builds back
in sunday and monday to 30.00 inches over lake erie on tuesday.



lez061-168-169-220215-
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-
344 pm edt fri aug 21 2026

.tonight...northeast winds 5 to 10 knots becoming south. waves
2 feet or less. 
.saturday...south winds 5 to 10 knots becoming west. a slight
chance of showers and thunderstorms late in the morning. a chance
of showers with a slight chance of thunderstorms early in the
afternoon, then a chance of showers and thunderstorms late. waves
2 feet or less. 
.saturday night...south winds 10 to 15 knots becoming west 15 to
20 knots. showers with a chance of thunderstorms. waves 1 to
3 feet building to 2 to 4 feet. 
.sunday...west winds 15 to 20 knots. showers likely in the
morning, then showers with a chance of thunderstorms in the
afternoon. waves 3 to 5 feet. 
.sunday night...west winds 15 to 20 knots becoming northwest
10 to 15 knots. showers with a chance of thunderstorms in the
evening, then showers likely overnight. waves 3 to 5 feet
subsiding to 2 to 3 feet. 
.monday...west winds 15 to 20 knots diminishing to 5 to 10 knots.
a chance of showers during the day. waves 2 to 4 feet subsiding
to 1 to 2 feet. 
.tuesday...west winds 5 to 10 knots becoming southwest. waves
1 to 2 feet. 
.wednesday...south winds 5 to 10 knots. a chance of showers
wednesday night. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$