fzus61 kbuf 310802
glflo 
expires:202608311500;;653694

open lake forecast for lake ontario
national weather service buffalo ny
402 am 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.


loz062-311500-
lake ontario open waters from the niagara river to hamlin beach-
402 am edt mon aug 31 2026

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

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 310802
glflo 
expires:202608311500;;653695

open lake forecast for lake ontario
national weather service buffalo ny
402 am 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>065-311500-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 am edt mon aug 31 2026

.today...southeast winds 5 to 15 knots. patchy fog early. a
chance of showers late this morning. showers with a chance of
thunderstorms this afternoon. waves 2 feet or less. 
.tonight...southeast winds 10 knots or less becoming south.
showers with a chance of thunderstorms. waves 1 foot or less. 
.tuesday...southwest winds 10 knots or less becoming north.
showers likely in the morning, then a chance of showers in the
afternoon. waves 1 foot or less. 
.tuesday night...east winds 10 knots or less becoming south.
showers likely with a chance of thunderstorms overnight. waves
1 foot or less. 
.wednesday...south winds 5 to 15 knots becoming west. showers
likely with a chance of thunderstorms. waves 1 to 3 feet. 
.thursday...west winds 5 to 10 knots becoming northwest. a chance
of showers during the day. waves 2 feet or less. 
.friday...northwest winds 5 to 10 knots becoming north. waves
2 feet or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 310740
glfle 
expires:202608311415;;653149

open lake forecast for lake erie
national weather service cleveland oh
340 am 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 across the eastern great lakes through 
mid week with high pressure 30.10 inches 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
into friday.


lez061-167>169-311415-
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-
340 am edt mon aug 31 2026

.today...southwest winds 5 to 10 knots. a chance of showers with
a slight chance of thunderstorms through early afternoon. waves
1 to 2 feet. 
.tonight...southwest winds 10 to 15 knots. a slight chance of
showers and thunderstorms early, then a chance of showers with a
slight chance of thunderstorms from late evening on. waves 1 to
3 feet. 
.tuesday...southwest winds 5 to 15 knots. waves 1 to 3 feet. 
.tuesday night...southwest winds 5 to 10 knots. a chance of
showers in the evening, then a chance of showers and
thunderstorms overnight. waves 1 to 2 feet. 
.wednesday...southwest winds 5 to 10 knots. showers likely with a
chance of thunderstorms wednesday night. waves 1 to 2 feet. 
.thursday...west winds 5 to 10 knots becoming north. waves 2 feet
or less. 
.friday...north winds 10 knots or less becoming northeast. waves
2 feet or less. 

winds and waves higher in and near thunderstorms.

$$