fzus61 kbuf 191402
glflo 
expires:202608192100;;993713

open lake forecast for lake ontario
national weather service buffalo ny
1002 am 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 cold front will cross the lake today. behind the 
front, high pressure averaging 30.1 inches will build from the upper 
great lakes thursday to 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.


loz062-192100-
lake ontario open waters from the niagara river to hamlin beach-
1002 am edt wed aug 19 2026

.rest of today...southwest winds 5 to 15 knots becoming west. a
chance of showers and thunderstorms late this morning, then a
chance of showers early this afternoon. waves 1 to 2 feet. 
.tonight...northwest winds 5 to 10 knots. waves 2 feet or less. 
.thursday...northwest winds 10 knots or less becoming southwest.
waves 1 foot or less. 
.thursday night...northwest winds 10 knots or less becoming
northeast. waves 1 foot or less. 
.friday...east winds 5 to 10 knots becoming southeast. waves
2 feet or less. 
.saturday...southeast winds 5 to 15 knots becoming southwest. a
chance of showers and thunderstorms during the day, then showers
likely with a chance of thunderstorms saturday night. waves 1 to
2 feet. 
.sunday...west winds 10 to 15 knots increasing to 15 to 20 knots.
a chance of showers. waves 2 to 4 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 191402
glflo 
expires:202608192100;;993714

open lake forecast for lake ontario
national weather service buffalo ny
1002 am 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 cold front will cross the lake today. behind the 
front, high pressure averaging 30.1 inches will build from the upper 
great lakes thursday to 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.


loz063>065-192100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 am edt wed aug 19 2026

.rest of today...southwest winds 10 to 15 knots becoming west.
showers likely with a chance of thunderstorms, then a chance of
showers and thunderstorms late. waves 1 to 3 feet. 
.tonight...west winds 5 to 10 knots becoming northwest. waves
1 to 2 feet. 
.thursday...northwest winds 10 knots or less becoming west. waves
2 feet or less. 
.thursday night...west winds 10 knots or less becoming north.
waves 1 foot or less. 
.friday...northeast winds 10 knots or less becoming southeast.
waves 1 foot or less. 
.saturday...southeast winds 5 to 15 knots becoming south 15 to
20 knots. a chance of showers and thunderstorms during the day,
then showers with a chance of thunderstorms saturday night. waves
1 to 3 feet. 
.sunday...southwest winds 15 to 20 knots becoming west. showers
with a chance of thunderstorms during the day, then a chance of
showers and thunderstorms sunday night. waves 2 to 4 feet. 

winds and waves higher in and near thunderstorms.

$$