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open lake forecast for lake ontario
national weather service buffalo ny
1003 am edt fri oct 2 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 30.3 inch high will build east across the lower great 
lakes region today through saturday, before sliding northeast into 
northern new england saturday night. a 29.7 inch low over 
northwestern ontario sunday will deepen to 29.4 inches as it slides 
just south of james bay into central quebec sunday night, while 
sending a pair of cold fronts across the lake. a 30.2 inch high over 
the upper midwest will then build across the great lakes region 
monday into tuesday.


loz062-022100-
lake ontario open waters from the niagara river to hamlin beach-
1003 am edt fri oct 2 2026

.rest of today...west winds 10 to 15 knots becoming northwest
15 to 20 knots. a chance of showers late this morning. waves 1 to
3 feet. 
.tonight...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 1 to 3 feet. 
.saturday...northeast 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 5 to 10 knots becoming west and
increasing to 15 to 20 knots. waves 1 foot or less building to
3 to 6 feet. 
.monday...northwest winds 15 to 25 knots. waves 3 to 6 feet
building to 4 to 7 feet, then subsiding to 2 to 4 feet. waves
occasionally around 9 feet. 
.tuesday...northwest winds 5 to 15 knots becoming southwest.
waves 2 feet or less. 

$$

fzus61 kbuf 021403
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open lake forecast for lake ontario
national weather service buffalo ny
1003 am edt fri oct 2 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 30.3 inch high will build east across the lower great 
lakes region today through saturday, before sliding northeast into 
northern new england saturday night. a 29.7 inch low over 
northwestern ontario sunday will deepen to 29.4 inches as it slides 
just south of james bay into central quebec sunday night, while 
sending a pair of cold fronts across the lake. a 30.2 inch high over 
the upper midwest will then build across the great lakes region 
monday into tuesday.


loz063>065-022100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1003 am edt fri oct 2 2026

.rest of today...northwest winds 10 to 15 knots becoming west
15 to 20 knots. showers likely late this morning. waves 1 to
3 feet building to 2 to 4 feet. 
.tonight...west winds 15 to 20 knots becoming north. waves 3 to
5 feet 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 25 knots becoming west. a chance
of showers sunday night. waves 1 to 3 feet building to 3 to
6 feet. 
.monday...northwest winds to 30 knots diminishing to 15 to
20 knots. waves 5 to 9 feet subsiding to 3 to 6 feet. waves
occasionally around 11 feet. 
.tuesday...northwest winds 15 to 20 knots becoming southwest 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
957 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 this 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.


lez061-168-169-022015-
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-
957 am edt fri oct 2 2026

.rest of today...north winds 15 to 20 knots becoming northwest
5 to 15 knots. showers late this morning. waves 3 to 5 feet
subsiding to 1 to 3 feet. 
.tonight...north winds 15 to 20 knots becoming northeast 10 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 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. 

$$