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open lake forecast for lake ontario
national weather service buffalo ny
1001 pm edt tue oct 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 warm front over eastern portions of the lake drifts northeastward 
through this evening. otherwise, a cold front sweeps southeastward 
across the lake tonight. behind the cold front, a high pressure 
ridge averaging 30.2 inches builds from the north-central united 
states and vicinity through thursday. during thursday night through 
friday, the ridge should exit eastward and be followed by a warm 
front sweeping quickly northeastward across the lake and then a cold 
front sweeping quickly eastward across the lake as a low tracks 
northeastward from the southwestern great lakes to near southern 
quebec and deepens to 29.3 inches. behind the cold front, a ridge 
averaging 30.5 inches should build from the west through this 
weekend.


loz062-140900-
lake ontario open waters from the niagara river to hamlin beach-
1001 pm edt tue oct 13 2026

.rest of tonight...west winds 15 to 20 knots. waves 2 to 4 feet. 
.wednesday...west winds 10 to 15 knots becoming northwest. waves
1 to 3 feet. 
.wednesday night...northwest winds 10 to 15 knots becoming
northeast. waves 1 to 3 feet. 
.thursday...northeast winds 10 to 15 knots becoming east 15 to
20 knots. waves 1 to 3 feet. 
.thursday night...east winds 15 to 20 knots becoming southeast
10 to 15 knots. showers. waves 2 to 4 feet. 
.friday...west winds 15 to 25 knots becoming northwest and
increasing to 35 knot gales. showers. waves 2 to 4 feet building
to 9 to 12 feet. waves occasionally around 15 feet. 
.saturday...northwest winds to 30 knots becoming west 15 to
25 knots. waves 8 to 11 feet subsiding to 3 to 5 feet. waves
occasionally around 14 feet. 
.sunday...west winds 15 to 20 knots becoming southwest. waves
3 to 5 feet. 

$$

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open lake forecast for lake ontario
national weather service buffalo ny
1001 pm edt tue oct 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 warm front over eastern portions of the lake drifts northeastward 
through this evening. otherwise, a cold front sweeps southeastward 
across the lake tonight. behind the cold front, a high pressure 
ridge averaging 30.2 inches builds from the north-central united 
states and vicinity through thursday. during thursday night through 
friday, the ridge should exit eastward and be followed by a warm 
front sweeping quickly northeastward across the lake and then a cold 
front sweeping quickly eastward across the lake as a low tracks 
northeastward from the southwestern great lakes to near southern 
quebec and deepens to 29.3 inches. behind the cold front, a ridge 
averaging 30.5 inches should build from the west through this 
weekend.


loz063>065-140900-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1001 pm edt tue oct 13 2026

.rest of tonight...north winds 10 to 15 knots becoming west 15 to
20 knots. a chance of showers late this evening. waves 2 to
4 feet building to 3 to 5 feet. 
.wednesday...west winds 10 to 15 knots increasing to 15 to
20 knots. waves 3 to 5 feet subsiding to 2 to 4 feet. 
.wednesday night...northwest winds 15 to 20 knots becoming north.
waves 2 to 4 feet. 
.thursday...northeast winds 5 to 15 knots. waves 1 to 3 feet. 
.thursday night...east winds 10 to 15 knots becoming southeast
and increasing to 15 to 25 knots. a chance of showers in the
evening, then showers overnight. waves 1 to 3 feet building to
2 to 4 feet. 
.friday...southwest winds 15 to 25 knots becoming northwest and
increasing to 35 knot gales. rain showers. waves 3 to 6 feet
building to 10 to 14 feet. waves occasionally around 18 feet. 
.saturday...northwest gales to 35 knots becoming west and
diminishing to 15 to 20 knots. a chance of rain showers during
the day. waves 10 to 14 feet subsiding to 3 to 6 feet. waves
occasionally around 18 feet. 
.sunday...west winds 15 to 20 knots becoming south. waves 3 to
5 feet. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
1007 pm edt tue oct 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...
a cold front will move across lake erie tonight and remain of the
lake through wednesday. this front will briefly lift north as a
warm front on thursday, followed by a strong cold front on friday 
as low pressure 29.60 inches moves north of the lake. high 
pressure 30.40 inches will build from the west saturday and 
sunday.


lez061-167>169-140830-
ripley to buffalo ny extending from 5nm 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-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
1007 pm edt tue oct 13 2026

.overnight...west winds 15 to 20 knots becoming northwest
5 to 15 knots. a slight chance of showers and thunderstorms late.
waves 3 to 6 feet subsiding to 1 to 3 feet. 
.wednesday...northwest winds 5 to 15 knots. a chance of showers
with a slight chance of thunderstorms early, then a slight chance
of showers. waves 1 to 2 feet. 
.wednesday night...north winds 10 to 15 knots becoming northeast.
waves 1 to 3 feet building to 2 to 4 feet. 
.thursday...northeast winds 10 to 15 knots. a chance of showers
in the afternoon. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.thursday night...east winds 10 to 15 knots becoming southwest
and increasing to 15 to 25 knots. showers. waves 1 to 3 feet
building to 3 to 5 feet. 
.friday...west winds to 30 knots becoming northwest and
increasing to 40 knot gales. showers during the day, then a
chance of showers friday night. waves 7 to 10 feet building to
9 to 12 feet. waves occasionally around 15 feet. 
.saturday...northwest gales to 35 knots becoming southwest and
diminishing to 15 to 20 knots. waves 7 to 10 feet subsiding to
2 to 4 feet. waves occasionally around 13 feet. 
.sunday...southwest winds 15 to 25 knots. waves 3 to 5 feet. 

winds and waves higher in and near thunderstorms.

$$