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open lake forecast for lake ontario
national weather service buffalo ny
1003 pm edt thu oct 15 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 high pressure ridge averaging 30.1 inches continues to 
exit eastward from the lake. elsewhere, a low wobbles northeastward 
from the southwestern great lakes to southern quebec tonight through 
friday and deepens to 29.4 inches. this low track will allow a warm 
front to sweep northeastward across the lake tonight and a strong 
cold front to sweep eastward across the lake on friday. behind the 
cold front, a ridge averaging 30.2 inches should affect the lake 
through this tuesday as one embedded high pressure center moves from 
the central great plains and vicinity to the canadian maritimes on 
friday through monday, and then another embedded and reinforcing 
high pressure center moves from near manitoba toward quebec this 
monday through tuesday.


loz062-160900-
lake ontario open waters from the niagara river to hamlin beach-
1003 pm edt thu oct 15 2026

.rest of tonight...east winds 15 to 20 knots becoming southeast
10 to 15 knots. rain likely late this evening, then rain after
midnight. waves 3 to 5 feet subsiding to 2 to 4 feet. 
.friday...southwest winds 15 to 20 knots becoming northwest and
increasing to 30 knots. rain in the morning, then a chance of
rain in the afternoon. waves 2 to 4 feet building to 5 to 9 feet.
waves occasionally around 11 feet. 
.friday night...northwest winds to 30 knots becoming north. a
chance of rain. waves 5 to 8 feet. waves occasionally around
10 feet. 
.saturday...north winds 15 to 25 knots becoming west and
diminishing to 10 to 15 knots. waves 4 to 7 feet subsiding to
1 to 3 feet. waves occasionally around 9 feet. 
.saturday night...west winds 10 to 15 knots increasing to 15 to
20 knots. waves 2 to 4 feet building to 3 to 5 feet. 
.sunday...southwest winds 15 to 20 knots. waves 3 to 5 feet. 
.monday...southwest winds 5 to 15 knots becoming west. waves 2 to
4 feet subsiding to 2 feet or less. 
.tuesday...northwest winds less than 10 knots becoming northeast.
waves 1 foot or less. 

$$

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open lake forecast for lake ontario
national weather service buffalo ny
1003 pm edt thu oct 15 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 high pressure ridge averaging 30.1 inches continues to 
exit eastward from the lake. elsewhere, a low wobbles northeastward 
from the southwestern great lakes to southern quebec tonight through 
friday and deepens to 29.4 inches. this low track will allow a warm 
front to sweep northeastward across the lake tonight and a strong 
cold front to sweep eastward across the lake on friday. behind the 
cold front, a ridge averaging 30.2 inches should affect the lake 
through this tuesday as one embedded high pressure center moves from 
the central great plains and vicinity to the canadian maritimes on 
friday through monday, and then another embedded and reinforcing 
high pressure center moves from near manitoba toward quebec this 
monday through tuesday.


loz063>065-160900-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1003 pm edt thu oct 15 2026

.rest of tonight...east winds 15 to 25 knots becoming southeast
to 30 knots. a chance of rain late this evening, then rain after
midnight. waves 1 to 3 feet building to 4 to 7 feet. waves
occasionally around 9 feet. 
.friday...south winds to 30 knots becoming west. rain through
early afternoon, then a chance of rain late. waves 4 to 7 feet
building to 6 to 9 feet. waves occasionally around 11 feet. 
.friday night...northwest winds to 30 knots becoming north. a
chance of rain. waves 5 to 9 feet. waves occasionally around
11 feet. 
.saturday...north winds to 30 knots becoming northwest and
diminishing to 10 to 15 knots in the afternoon. waves 5 to 8 feet
subsiding to 2 to 4 feet. waves occasionally around 10 feet. 
.saturday night...west winds 15 to 20 knots. waves 2 to 4 feet
building to 3 to 5 feet. 
.sunday...southwest winds 15 to 20 knots. waves 3 to 5 feet
subsiding to 2 to 4 feet. 
.monday...southwest winds 15 to 20 knots diminishing to 5 to
15 knots. waves 2 to 4 feet subsiding to 1 foot or less. 
.tuesday...west winds 10 knots or less becoming northeast. waves
1 foot or less. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
929 pm edt thu oct 15 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 warm front will lift north across the lake late this evening as
low pressure 29.60 inches moves into the great lakes. a cold 
front will sweep across the lake early friday morning. high 
pressure 30.50 inches will build across the ohio valley and lower
great lakes region this weekend.


lez164>168-160815-
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-
929 pm edt thu oct 15 2026

.rest of tonight...southeast winds 10 to 15 knots becoming
southwest and increasing to 30 knots after midnight. a chance of
showers and thunderstorms late this evening, then showers likely
with a slight chance of thunderstorms after midnight. waves 1 to
3 feet building to 4 to 7 feet. waves occasionally around 9 feet.
.friday...southwest winds to 30 knots becoming northwest. a
chance of showers with a slight chance of thunderstorms in the
morning, then a slight chance of showers early in the afternoon.
showers likely late. waves 5 to 9 feet. waves occasionally around
11 feet. 
.friday night...north winds to 30 knots. a chance of showers.
waves 6 to 10 feet building to 7 to 11 feet. waves occasionally
around 14 feet. 
.saturday...north winds to 30 knots becoming northwest and
diminishing to 5 to 10 knots in the afternoon. waves 5 to 9 feet
subsiding to 2 to 4 feet. waves occasionally around 11 feet. 
.saturday night...northwest winds 5 to 15 knots becoming
southwest 15 to 20 knots. waves 1 to 3 feet building to 2 to
4 feet. 
.sunday...southwest winds 15 to 20 knots. waves 2 to 4 feet. 
.monday...southwest winds 5 to 15 knots. waves 2 to 4 feet
subsiding to 1 foot or less. 
.tuesday...west winds 10 knots or less becoming northeast. waves
1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

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open lake forecast for lake erie
national weather service cleveland oh
929 pm edt thu oct 15 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 warm front will lift north across the lake late this evening as
low pressure 29.60 inches moves into the great lakes. a cold 
front will sweep across the lake early friday morning. high 
pressure 30.50 inches will build across the ohio valley and lower
great lakes region this weekend.


lez061-169-160815-
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-
929 pm edt thu oct 15 2026

.rest of tonight...southeast winds 10 to 15 knots becoming
southwest and increasing to 15 to 25 knots. a chance of showers
with a slight chance of thunderstorms late this evening, then
showers with a chance of thunderstorms after midnight. waves 1 to
3 feet building to 3 to 6 feet. 
.friday...southwest winds to 30 knots becoming northwest. showers
likely with a chance of thunderstorms early, then showers likely
with a slight chance of thunderstorms late in the morning. a
chance of showers in the afternoon. waves 5 to 8 feet building to
6 to 9 feet. waves occasionally around 11 feet. 
.friday night...northwest winds 20 to 25 knots becoming north. a
chance of showers in the evening. waves 5 to 8 feet. waves
occasionally around 10 feet. 
.saturday...north winds 15 to 25 knots becoming northwest and
diminishing to 10 to 15 knots. waves 3 to 6 feet subsiding to
1 to 3 feet. 
.saturday night...northwest winds 10 to 15 knots becoming
southwest 15 to 20 knots. waves 1 to 3 feet. 
.sunday...southwest winds 15 to 20 knots. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.monday...southwest winds 5 to 15 knots. waves 1 to 3 feet. 
.tuesday...west winds less than 10 knots becoming northeast.
waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$