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open lake forecast for lake ontario
national weather service buffalo ny
1003 am 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 cold front will sweep southeast across the lower 
great lakes this afternoon. behind the cold front, a ridge averaging 
30.2 inches will build in from northern ontario through thursday. a 
low averaging 29.5 inches may move across the great lakes region 
friday. there is uncertainty in the track of this low, with the 
potential of deepening as it crosses the region. a 30.5 inch high 
will build into the great lakes region this weekend.


loz062-132100-
lake ontario open waters from the niagara river to hamlin beach-
1003 am edt tue oct 13 2026

.rest of today...southwest winds 10 to 15 knots increasing to
15 to 20 knots. showers likely with a chance of thunderstorms
late this morning, then a chance of showers and thunderstorms
early this afternoon. a chance of showers late. waves 1 to
3 feet. 
.tonight...southwest winds 15 to 20 knots becoming west 10 to
15 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. showers
thursday night. waves 1 to 3 feet. 
.friday...west winds 15 to 25 knots becoming northwest to
30 knots. showers. waves 3 to 5 feet building to 8 to 11 feet.
waves occasionally around 14 feet. 
.saturday...northwest winds to 30 knots becoming west 15 to
25 knots. waves 7 to 10 feet subsiding to 3 to 6 feet. waves
occasionally around 13 feet. 

winds and waves higher in and near thunderstorms.

$$

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open lake forecast for lake ontario
national weather service buffalo ny
1003 am 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 cold front will sweep southeast across the lower 
great lakes this afternoon. behind the cold front, a ridge averaging 
30.2 inches will build in from northern ontario through thursday. a 
low averaging 29.5 inches may move across the great lakes region 
friday. there is uncertainty in the track of this low, with the 
potential of deepening as it crosses the region. a 30.5 inch high 
will build into the great lakes region this weekend.


loz063>065-132100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1003 am edt tue oct 13 2026

.rest of today...south winds 5 to 15 knots. showers with a chance
of thunderstorms. waves 2 feet or less. 
.tonight...southwest winds 10 to 15 knots becoming west. showers
likely with a chance of thunderstorms early, then a chance of
showers and thunderstorms late in the evening. waves 1 to 3 feet
building to 2 to 4 feet. 
.wednesday...northwest winds 10 to 15 knots becoming west. waves
2 to 4 feet subsiding to 1 to 3 feet. 
.wednesday night...northwest winds 10 to 15 knots becoming north
15 to 20 knots. waves 1 to 3 feet building to 2 to 4 feet. 
.thursday...northeast winds 5 to 15 knots becoming southeast.
showers thursday night. waves 2 to 4 feet subsiding to 2 feet or
less. 
.friday...southwest winds 15 to 25 knots becoming northwest and
increasing to 35 knot gales. showers. waves 3 to 5 feet building
to 9 to 13 feet. waves occasionally around 16 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 13 feet subsiding to 4 to 7 feet. waves
occasionally around 16 feet. 

winds and waves higher in and near thunderstorms.

$$

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open lake forecast for lake erie
national weather service cleveland oh
943 am 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...
low pressure 29.80 inches passes north of the lake today dragging
a cold front over lake erie this evening. the front will push
south wednesday morning before high pressure 30.10 inches briefly
builds north of the lake wednesday night and thursday. a strong 
cold front will pass over the region friday morning as low 
pressure 29.60 inches moves north of the lake. high pressure 30.40
inches builds in from the west saturday.


lez061-167>169-132015-
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-
943 am edt tue oct 13 2026

.rest of today...southwest winds 15 to 20 knots. a slight chance
of showers and thunderstorms late this morning. waves 3 to
6 feet. 
.tonight...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.
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 becoming south 15 to
20 knots. a chance of showers during the day, then showers
thursday night. waves 1 to 3 feet. 
.friday...west winds to 30 knots becoming northwest and
increasing to 35 knot gales. showers likely during the day, then
a chance of showers friday night. waves 6 to 9 feet building to
9 to 12 feet. waves occasionally around 15 feet. 
.saturday...northwest winds to 30 knots becoming west and
diminishing to 10 to 15 knots. waves 7 to 10 feet subsiding to
3 to 5 feet. waves occasionally around 13 feet. 

winds and waves higher in and near thunderstorms.

$$