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open lake forecast for lake ontario
national weather service buffalo ny
402 am edt sun sep 27 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...an expansive 30.3 inch high across ontario and southern 
quebec will drift to eastern quebec and labrador today. meanwhile, 
29.2 inch low pressure east of the delmarva will move to near the 
jersey shore and long island through tonight, then meander northeast 
along the new england coast monday through tuesday while gradually 
filling to 29.8 inches.


loz062-271500-
lake ontario open waters from the niagara river to hamlin beach-
402 am edt sun sep 27 2026

.today...northeast winds 15 to 20 knots. a chance of showers
late. waves 3 to 6 feet. 
.tonight...northeast winds 15 to 20 knots diminishing to 10 to
15 knots. showers likely early, then a chance of showers late in
the evening. waves 3 to 6 feet subsiding to 2 to 4 feet. 
.monday...northeast winds 5 to 15 knots becoming north less than
10 knots. waves 1 to 3 feet. 
.monday night...west winds less than 10 knots becoming north.
waves 1 foot or less. 
.tuesday...north winds less than 10 knots. waves 1 foot or less. 
.wednesday...southwest winds 10 knots or less becoming south.
waves 1 foot or less. 
.thursday...southwest winds 10 to 15 knots becoming west. a
chance of showers thursday night. waves 1 to 3 feet. 

$$

fzus61 kbuf 270802
glflo 
expires:202609271500;;128103

open lake forecast for lake ontario
national weather service buffalo ny
402 am edt sun sep 27 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...an expansive 30.3 inch high across ontario and southern 
quebec will drift to eastern quebec and labrador today. meanwhile, 
29.2 inch low pressure east of the delmarva will move to near the 
jersey shore and long island through tonight, then meander northeast 
along the new england coast monday through tuesday while gradually 
filling to 29.8 inches.


loz063>065-271500-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 am edt sun sep 27 2026

.today...northeast winds to 30 knots diminishing to 15 to
25 knots. showers this afternoon. waves 5 to 8 feet. waves
occasionally around 10 feet. 
.tonight...northeast winds 15 to 25 knots. showers early, then a
chance of showers late in the evening. waves 4 to 7 feet
subsiding to 3 to 6 feet. waves occasionally around 9 feet. 
.monday...northeast winds 5 to 15 knots. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.monday night...northeast winds 5 to 15 knots becoming north.
waves 2 feet or less. 
.tuesday...north winds 10 knots or less becoming south. waves
1 foot or less. 
.wednesday...south winds 5 to 10 knots. waves 2 feet or less. 
.thursday...south winds 10 to 15 knots becoming west 15 to
20 knots. a chance of showers thursday night. waves 1 to 3 feet
building to 2 to 4 feet. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
345 am edt sun sep 27 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...
high pressure of 30.20 inches will persist over the great lakes 
through tuesday before moving off to the east tuesday night. a 
weak cold front will approach the region from the west wednesday
night.


lez061-168-169-271415-
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-
345 am edt sun sep 27 2026

.today...northeast winds 10 to 15 knots increasing to 15 to
20 knots. waves 2 to 4 feet. 
.tonight...northeast winds 15 to 20 knots. waves 2 to 4 feet. 
.monday...northeast winds 5 to 15 knots becoming north. waves
1 to 3 feet subsiding to 1 foot or less. 
.monday night...northeast winds less than 10 knots. waves 1 foot
or less. 
.tuesday...west winds 10 knots or less becoming south. waves
1 foot or less. 
.wednesday...south winds 5 to 15 knots. waves 2 feet or less. 
.thursday...southwest winds 10 to 15 knots becoming northwest. a
chance of showers. waves 1 to 3 feet. 

$$