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open lake forecast for lake ontario
national weather service buffalo ny
1002 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.


loz062-020900-
lake ontario open waters from the niagara river to hamlin beach-
1002 pm edt thu oct 1 2026

.rest of tonight...southwest winds 10 to 15 knots becoming west.
showers. 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. 

$$
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open lake forecast for lake ontario
national weather service buffalo ny
1002 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>065-020900-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 pm edt thu oct 1 2026

.rest of tonight...southwest winds 10 to 15 knots becoming west.
a chance of showers late this evening, then 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
338 am edt fri oct 2 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 move southeast across lake erie morning with
high pressure 30.20 inches building over the great lakes later
today through saturday. another cold front will cross the lake
sunday, followed by high pressure 30.20 inches early next week.


lez164>168-021415-
the islands to vermilion oh beyond 5 nm off shoreline to us-
canadian border-
vermilion to avon point oh beyond 5 nm off shoreline to us-
canadian border-
avon point to willowick oh beyond 5 nm 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-
338 am edt fri oct 2 2026

.today...north winds 15 to 25 knots. showers early, then a chance
of showers late this morning. waves 3 to 6 feet subsiding to 2 to
4 feet. 
.tonight...north winds 15 to 20 knots becoming northeast 10 to
15 knots. waves 2 to 4 feet. 
.saturday...northeast winds 5 to 15 knots. waves 1 to 3 feet. 
.saturday night...northeast winds 5 to 15 knots becoming
southeast. waves 1 to 2 feet. 
.sunday...south winds 5 to 10 knots becoming northwest and
increasing to 15 to 20 knots. waves 2 feet or less building to
3 to 5 feet. 
.monday...northwest winds 15 to 20 knots becoming north 10 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.tuesday...north winds 10 knots or less becoming south 10 to
15 knots. waves 2 feet or less. 

$$
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open lake forecast for lake erie
national weather service cleveland oh
338 am edt fri oct 2 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 move southeast across lake erie morning with
high pressure 30.20 inches building over the great lakes later
today through saturday. another cold front will cross the lake
sunday, followed by high pressure 30.20 inches early next week.


lez061-169-021415-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
338 am edt fri oct 2 2026

.today...north winds 15 to 20 knots becoming northwest 5 to
15 knots. showers this morning. waves 2 to 4 feet subsiding to
1 to 3 feet. 
.tonight...northwest winds 15 to 20 knots becoming northeast 5 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.saturday...northeast winds 5 to 10 knots. waves 2 feet or less. 
.saturday night...northeast winds 5 to 10 knots becoming
southeast. waves 2 feet or less. 
.sunday...south winds 5 to 15 knots becoming northwest 15 to
20 knots. waves 1 foot or less building to 2 to 4 feet. 
.monday...northwest winds 15 to 20 knots becoming north 10 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.tuesday...north winds 10 knots or less becoming south 10 to
15 knots. waves 1 foot or less. 

$$
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