fzus61 kbuf 312002
glflo 
expires:202609010300;;681220

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt mon aug 31 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 frontal boundary will remain stalled near the lake 
today through tuesday before moving northeast across the lake 
tuesday night as a warm front. a 29.8 inch low will then move from 
northwest ontario province tuesday night to western quebec by 
wednesday night before reaching northern new england and the 
canadian maritimes thursday night. a trailing cold front will move 
south across the lake thursday.


loz062-010300-
lake ontario open waters from the niagara river to hamlin beach-
402 pm edt mon aug 31 2026

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

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 312002
glflo 
expires:202609010300;;681221

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt mon aug 31 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 frontal boundary will remain stalled near the lake 
today through tuesday before moving northeast across the lake 
tuesday night as a warm front. a 29.8 inch low will then move from 
northwest ontario province tuesday night to western quebec by 
wednesday night before reaching northern new england and the 
canadian maritimes thursday night. a trailing cold front will move 
south across the lake thursday.


loz063>065-010300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 pm edt mon aug 31 2026

.tonight...south winds 10 knots or less. showers with a chance of
thunderstorms. waves 1 foot or less. 
.tuesday...south winds 10 knots or less becoming north. showers
likely with a chance of thunderstorms early. waves 1 foot or
less. 
.tuesday night...northeast winds 10 knots or less becoming
southeast. waves 1 foot or less. 
.wednesday...southeast winds 5 to 15 knots. a chance of showers
in the morning, then showers likely with a chance of
thunderstorms in the afternoon. waves 2 feet or less. 
.wednesday night...southeast winds 5 to 15 knots becoming
southwest. showers with a chance of thunderstorms. waves 2 feet
or less. 
.thursday...west winds 5 to 10 knots becoming northwest. showers
with a chance of thunderstorms during the day. waves 1 to 2 feet.
.friday...northwest winds 5 to 15 knots becoming north. waves
2 feet or less. 
.saturday...north winds 10 to 15 knots becoming northeast. waves
2 feet or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 312002
glfle 
expires:202609010230;;681210

open lake forecast for lake erie
national weather service cleveland oh
402 pm edt mon aug 31 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 warm front will settle north of lake erie as high pressure 
30.10 inches resides just to the south. low pressure 29.70 inches
will move east across the upper great lakes on wednesday, 
extending a cold front through the area on thursday. this front
will linger south of lake erie on friday as high pressure ridge 
30.10 inches build in from the north.


lez061-167>169-010230-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-willowick to geneva-on-the-
lake oh beyond 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 mon aug 31 2026

.tonight...south winds 5 to 15 knots becoming southwest. a slight
chance of showers and thunderstorms. waves 1 to 3 feet. 
.tuesday...southwest winds 5 to 15 knots. a slight chance of
showers early. waves 1 to 3 feet. 
.tuesday night...southwest winds 5 to 10 knots. a chance of
showers and thunderstorms overnight. waves 2 feet or less. 
.wednesday...southwest winds 5 to 10 knots. a chance of showers
and thunderstorms in the morning. waves 1 to 2 feet. 
.wednesday night...southwest winds 10 to 15 knots. a chance of
showers and thunderstorms in the evening, then showers and
thunderstorms likely overnight. waves 1 to 3 feet. 
.thursday...southwest winds 5 to 10 knots becoming north. a
chance of showers and thunderstorms. waves 1 to 3 feet. 
.friday...north winds 10 knots or less becoming northeast. waves
2 feet or less. 
.saturday...northeast winds 10 to 15 knots increasing to 15 to
20 knots. waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

$$