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open lake forecast for lake ontario
national weather service buffalo ny
1001 am edt sun sep 13 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 cold front moves eastward across the lake today. 
behind the cold front, a ridge averaging 30.2 inches will slide 
eastward across the lower great lakes through monday. the ridge 
should exit toward new england on tuesday and allow a warm front to 
sweep northeastward across the lake. a cold front should sweep 
eastward across the lake on wednesday and be followed by a ridge 
averaging 30.1 inches and building from the upper midwest through 
thursday.


loz062-132100-
lake ontario open waters from the niagara river to hamlin beach-
1001 am edt sun sep 13 2026

.this afternoon...west winds 5 to 15 knots. waves 2 feet or less. 
.tonight...northwest winds 15 to 20 knots. a chance of showers
late in the evening. waves 1 to 3 feet building to 3 to 5 feet. 
.monday...north winds 5 to 15 knots becoming west less than
10 knots. waves 2 to 4 feet subsiding to 1 foot or less. 
.monday night...west winds 10 knots or less becoming south 10 to
15 knots. waves 2 feet or less. 
.tuesday...south winds 10 to 15 knots becoming southwest. showers
likely tuesday night. waves 2 feet or less. 
.wednesday...northwest winds 10 knots or less becoming northeast.
showers likely during the day. waves 2 feet or less. 
.thursday...east winds 5 to 15 knots becoming northeast. a chance
of showers. waves 1 to 2 feet. 

$$

fzus61 kbuf 131401
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open lake forecast for lake ontario
national weather service buffalo ny
1001 am edt sun sep 13 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 cold front moves eastward across the lake today. 
behind the cold front, a ridge averaging 30.2 inches will slide 
eastward across the lower great lakes through monday. the ridge 
should exit toward new england on tuesday and allow a warm front to 
sweep northeastward across the lake. a cold front should sweep 
eastward across the lake on wednesday and be followed by a ridge 
averaging 30.1 inches and building from the upper midwest through 
thursday.


loz063>065-132100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1001 am edt sun sep 13 2026

.this afternoon...southwest winds 5 to 15 knots becoming west. a
chance of showers late. waves 1 to 3 feet. 
.tonight...west winds 15 to 20 knots becoming northwest. a chance
of showers late in the evening. waves 1 to 3 feet building to
3 to 6 feet. 
.monday...north winds 15 to 20 knots becoming northwest and
diminishing to 5 to 10 knots. waves 3 to 5 feet subsiding to 1 to
3 feet. 
.monday night...northwest winds 10 knots or less becoming south
10 to 15 knots. waves 1 foot or less. 
.tuesday...south winds 15 to 25 knots. showers likely tuesday
night. waves 2 to 4 feet building to 3 to 5 feet. 
.wednesday...southwest winds 5 to 15 knots becoming northeast.
showers likely during the day, then a chance of showers wednesday
night. waves 1 to 3 feet subsiding to 1 foot or less. 
.thursday...east winds 5 to 15 knots becoming north. a chance of
showers. waves 2 feet or less. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
343 pm edt sun sep 13 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...
pressure rises can be expected tonight to 30.30 inches over lake 
erie monday. a stationary front will set up in the vicinity of the
lake beginning tuesday night with pressure averaging 30.20 
inches through thursday.



lez164>168-140215-
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-
343 pm edt sun sep 13 2026

.tonight...northwest winds 15 to 25 knots becoming north. waves
3 to 6 feet. 
.monday...north winds 15 to 20 knots diminishing to less than
10 knots in the afternoon. waves 3 to 5 feet subsiding to 1 to
3 feet. 
.monday night...east winds 10 knots or less becoming south and
increasing to 15 to 20 knots overnight. waves 1 to 3 feet. 
.tuesday...south winds 15 to 20 knots diminishing to 10 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.tuesday night...south winds 5 to 15 knots becoming southwest.
showers. waves 1 to 3 feet. 
.wednesday...southwest winds 5 to 10 knots becoming northeast. a
chance of showers. waves 1 to 2 feet. 
.thursday...northeast winds 10 to 15 knots. a chance of showers.
waves 1 to 3 feet. 
.friday...northeast winds 10 to 15 knots becoming east. waves
2 to 4 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 131943
glfle 
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open lake forecast for lake erie
national weather service cleveland oh
343 pm edt sun sep 13 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...
pressure rises can be expected tonight to 30.30 inches over lake 
erie monday. a stationary front will set up in the vicinity of the
lake beginning tuesday night with pressure averaging 30.20 
inches through thursday.



lez061-169-140215-
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-
343 pm edt sun sep 13 2026

.tonight...northwest winds 15 to 20 knots becoming north. a
slight chance of showers late this evening. waves 3 to 5 feet
subsiding to 2 to 4 feet. 
.monday...north winds 10 to 15 knots becoming light and variable.
waves 2 to 4 feet subsiding to 1 foot or less. 
.monday night...east winds 10 knots or less becoming south 10 to
15 knots. waves 2 feet or less. 
.tuesday...south winds 10 to 15 knots. waves 1 to 3 feet. 
.tuesday night...south winds 10 to 15 knots becoming southwest.
showers likely overnight. waves 1 to 2 feet. 
.wednesday...southwest winds 10 knots or less becoming northeast.
a chance of showers wednesday night. waves 2 feet or less. 
.thursday...northeast winds 5 to 15 knots. a chance of showers.
waves 2 feet or less. 
.friday...northeast winds 5 to 15 knots becoming east. waves
2 feet or less. 

winds and waves higher in and near thunderstorms.

$$