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open lake forecast for lake ontario
national weather service buffalo ny
403 pm edt thu oct 1 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 29.7 inch low over western quebec province this 
afternoon will continue to traverse to northern quebec by thursday 
while deepening to 29.0 inches. a trailing cold front will cross the 
lower great lakes tonight, with a 30.0 inch high building east 
across the eastern great lakes region thursday through friday, 
before sliding east into new england by saturday. a 29.8 inch low 
over northern ontario province will introduce a pair of fronts 
sunday and sunday night, with a 30.4 inch high over the central 
plains building across the region monday.


loz062-020300-
lake ontario open waters from the niagara river to hamlin beach-
403 pm edt thu oct 1 2026

.tonight...southwest winds 15 to 20 knots becoming west 10 to
15 knots. a chance of showers early, then showers from late
evening on. waves 1 to 3 feet. 
.friday...northwest winds 10 to 15 knots. showers likely early,
then a chance of showers late in the morning. waves 1 to 3 feet. 
.friday night...northwest winds 15 to 20 knots becoming north
10 to 15 knots. waves 1 to 3 feet building to 2 to 4 feet, then
subsiding to 1 to 2 feet. 
.saturday...north winds 5 to 10 knots becoming east. waves 2 feet
or less. 
.saturday night...east winds 5 to 10 knots becoming southeast.
waves 1 foot or less. 
.sunday...southeast winds 10 knots or less becoming west and
increasing to 15 to 20 knots. waves 2 feet or less building to
2 to 4 feet. 
.monday...northwest winds 15 to 25 knots. waves 3 to 6 feet
subsiding to 2 to 4 feet. 
.tuesday...northwest winds 5 to 10 knots becoming southwest.
waves 2 feet or less. 

$$

fzus61 kbuf 012003
glflo 
expires:202610020300;;372561

open lake forecast for lake ontario
national weather service buffalo ny
403 pm edt thu oct 1 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 29.7 inch low over western quebec province this 
afternoon will continue to traverse to northern quebec by thursday 
while deepening to 29.0 inches. a trailing cold front will cross the 
lower great lakes tonight, with a 30.0 inch high building east 
across the eastern great lakes region thursday through friday, 
before sliding east into new england by saturday. a 29.8 inch low 
over northern ontario province will introduce a pair of fronts 
sunday and sunday night, with a 30.4 inch high over the central 
plains building across the region monday.


loz063>065-020300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
403 pm edt thu oct 1 2026

.tonight...southwest winds 10 to 15 knots becoming west. a chance
of showers late this evening. showers after midnight. waves 1 to
3 feet. 
.friday...west winds 10 to 15 knots increasing to 15 to 20 knots.
showers in the morning. waves 1 to 3 feet building to 2 to
4 feet. 
.friday night...northwest winds 15 to 20 knots becoming north
10 to 15 knots. waves 2 to 4 feet building to 3 to 5 feet, then
subsiding to 2 to 4 feet. 
.saturday...northeast winds 5 to 15 knots. waves 1 to 3 feet
subsiding to 1 foot or less. 
.saturday night...northeast winds 5 to 10 knots becoming
southeast. waves 1 foot or less. 
.sunday...southeast winds 15 to 20 knots becoming west. a chance
of showers sunday night. waves 1 to 3 feet building to 3 to
5 feet. 
.monday...northwest winds to 30 knots diminishing to 15 to
25 knots. a chance of showers during the day. waves 5 to 8 feet
subsiding to 3 to 6 feet. waves occasionally around 10 feet. 
.tuesday...northwest winds 15 to 20 knots becoming west and
diminishing to 5 to 10 knots. waves 2 to 4 feet subsiding to 1 to
3 feet. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
339 pm edt thu oct 1 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...
weak low pressure of 29.80 inches will slide through the central
great lakes today and extend a cold front through the area 
tonight into friday. this will be followed by high pressure of 
30.20 inches building over lake erie on saturday before another 
cold front crosses the lake on sunday. stronger high pressure 
30.40 inches builds over the great lakes early next week.


lez061-168-169-020215-
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-
339 pm edt thu oct 1 2026

.tonight...southwest winds 10 to 15 knots becoming west. a slight
chance of showers late this evening. showers after midnight, then
showers with a slight chance of thunderstorms late. waves 1 to
3 feet building to 2 to 4 feet. 
.friday...northwest winds 10 to 15 knots increasing to 15 to
20 knots. showers in the morning. waves 1 to 3 feet. 
.friday night...northwest winds 15 to 20 knots becoming north
10 to 15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.saturday...northeast winds 5 to 15 knots. waves 2 feet or less. 
.saturday night...northeast winds 5 to 15 knots becoming
southeast. waves 2 feet or less. 
.sunday...south winds 5 to 15 knots becoming northwest 15 to
20 knots. waves 2 feet or less building to 3 to 5 feet. 
.monday...northwest winds 15 to 20 knots diminishing to 10 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.tuesday...northwest winds 10 knots or less becoming south 10 to
15 knots. waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

$$