fzus61 kbuf 200201
glflo 
expires:202608200900;;022394

open lake forecast for lake ontario
national weather service buffalo ny
1001 pm edt wed aug 19 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 averaging 30.1 inches over the upper great 
lakes tonight, will build across the lower great lakes, then into 
new england by friday night. the high will then move into the 
canadian maritimes saturday, while an elongated 29.7 inch low slowly 
makes its way from the central great lakes to western quebec 
saturday and sunday, then wobbles about western quebec through at 
least monday.


loz062-200900-
lake ontario open waters from the niagara river to hamlin beach-
1001 pm edt wed aug 19 2026

.overnight...north winds 5 to 15 knots becoming northwest.
waves 2 feet or less. 
.thursday...north winds 10 knots or less becoming southwest.
waves 1 foot or less. 
.thursday night...west winds less than 10 knots becoming north.
waves 1 foot or less. 
.friday...northeast winds 10 knots or less becoming east. waves
1 foot or less. 
.friday night...east winds 5 to 10 knots becoming southeast.
waves 2 feet or less. 
.saturday...southeast winds 5 to 10 knots becoming west. showers
likely with a chance of thunderstorms. waves 2 feet or less. 
.sunday...west winds 10 to 15 knots. a chance of showers. waves
2 to 3 feet. 
.monday...west winds 15 to 20 knots diminishing to 10 to
15 knots. waves 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 200201
glflo 
expires:202608200900;;022395

open lake forecast for lake ontario
national weather service buffalo ny
1001 pm edt wed aug 19 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 averaging 30.1 inches over the upper great 
lakes tonight, will build across the lower great lakes, then into 
new england by friday night. the high will then move into the 
canadian maritimes saturday, while an elongated 29.7 inch low slowly 
makes its way from the central great lakes to western quebec 
saturday and sunday, then wobbles about western quebec through at 
least monday.


loz063>065-200900-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1001 pm edt wed aug 19 2026

.overnight...northwest winds 10 to 15 knots. waves 1 to
2 feet. 
.thursday...northwest winds 10 knots or less becoming west. waves
1 foot or less. 
.thursday night...west winds 10 knots or less becoming northwest.
waves 1 foot or less. 
.friday...southeast winds 10 knots or less becoming northeast.
waves 1 foot or less. 
.friday night...northeast winds 5 to 10 knots becoming southeast.
waves 1 foot or less. 
.saturday...southeast winds 5 to 15 knots becoming southwest.
showers with a chance of thunderstorms. waves 1 to 3 feet. 
.sunday...west winds 10 to 15 knots. showers likely with a chance
of thunderstorms during the day, then a chance of showers sunday
night. waves 1 to 3 feet building to 2 to 4 feet. 
.monday...west winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of showers during the day. waves 2 to 4 feet
subsiding to 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 200128
glfle 
expires:202608200815;;021586

open lake forecast for lake erie
national weather service cleveland oh
928 pm edt wed aug 19 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 settle south of lake erie this evening as 
high pressure 30.10 inches builds into the region through friday.
low pressure 29.90 inches moves into the great lakes region on 
saturday with a cold front crossing late saturday night into 
sunday.


lez061-168-169-200815-
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-
928 pm edt wed aug 19 2026

.rest of tonight...northwest winds 5 to 10 knots becoming
northeast. a slight chance of showers late this evening. waves
1 to 3 feet. 
.thursday...east winds 5 to 15 knots becoming northeast. waves
2 feet or less. 
.thursday night...northeast winds 10 knots or less becoming east.
waves 2 feet or less. 
.friday...east winds 10 knots or less becoming northeast. waves
1 foot or less. 
.friday night...northeast winds 5 to 10 knots becoming south.
waves 1 foot or less. 
.saturday...south winds 5 to 15 knots becoming west. showers with
a chance of thunderstorms. waves 1 to 3 feet. 
.sunday...northwest winds 10 to 15 knots. a chance of showers.
waves 1 to 3 feet. 
.monday...northwest winds 5 to 15 knots becoming west. waves 1 to
2 feet. 

winds and waves higher in and near thunderstorms.

$$