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open lake forecast for lake ontario
national weather service buffalo ny
1236 pm est sat nov 15 2025

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 29.3 inch low will track from lake superior this 
afternoon to central new england by early sunday morning. as the low 
tracks just north of the lake, it will push an attendant warm front 
across the lake this afternoon, followed by a cold front crossing 
the lake tonight. this low will deepen further to 28.9 inches over 
northern new england sunday before moving to the canadian maritimes 
monday, then north to labrador tuesday. a 30.3 inch high will then 
build from the upper great lakes tuesday to the lower great lakes 
wednesday, then to new england thursday.


loz062-152215-
lake ontario open waters from the niagara river to hamlin beach-
1236 pm est sat nov 15 2025

...gale warning in effect from midnight est tonight through late
sunday night...

.this afternoon...southeast winds 15 to 20 knots becoming south
10 to 15 knots. rain showers with a chance of thunderstorms.
waves 1 to 3 feet. 
.tonight...southwest winds 15 to 25 knots becoming west to
30 knots. showers with a chance of thunderstorms early, then a
chance of showers late in the evening. a chance of showers late.
waves 2 to 4 feet building to 10 to 13 feet. waves occasionally
around 16 feet. 
.sunday...northwest gales to 35 knots diminishing to 30 knots. a
chance of rain showers in the morning, then a chance of rain and
snow showers in the afternoon. waves 10 to 13 feet. waves
occasionally around 16 feet. 
.sunday night...northwest winds to 30 knots. a chance of snow
showers. waves 7 to 11 feet subsiding to 5 to 9 feet. waves
occasionally around 14 feet. 
.monday...northwest winds to 30 knots becoming west and
diminishing to 15 to 20 knots. a chance of snow showers during
the day. waves 5 to 9 feet subsiding to 3 to 5 feet. waves
occasionally around 11 feet. 
.tuesday...west winds 15 to 20 knots becoming northwest 5 to
15 knots. waves 2 to 4 feet subsiding to 1 foot or less. 
.wednesday...north winds 5 to 10 knots becoming east. waves
1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

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open lake forecast for lake ontario
national weather service buffalo ny
1236 pm est sat nov 15 2025

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 29.3 inch low will track from lake superior this 
afternoon to central new england by early sunday morning. as the low 
tracks just north of the lake, it will push an attendant warm front 
across the lake this afternoon, followed by a cold front crossing 
the lake tonight. this low will deepen further to 28.9 inches over 
northern new england sunday before moving to the canadian maritimes 
monday, then north to labrador tuesday. a 30.3 inch high will then 
build from the upper great lakes tuesday to the lower great lakes 
wednesday, then to new england thursday.


loz063-152215-
lake ontario open waters from hamlin beach to sodus bay-
1236 pm est sat nov 15 2025

...gale warning in effect from midnight est tonight through late
sunday night...

.this afternoon...southeast winds 15 to 20 knots. rain showers.
waves 1 to 3 feet. 
.tonight...south winds 15 to 20 knots becoming west and
increasing to 35 knot gales after midnight. showers in the
evening. a chance of showers late. waves 1 to 3 feet building to
11 to 15 feet. waves occasionally around 19 feet. 
.sunday...west gales to 35 knots becoming northwest. rain showers
likely in the morning, then a chance of rain and snow showers in
the afternoon. waves 11 to 16 feet. waves occasionally around
20 feet. 
.sunday night...northwest gales to 35 knots diminishing to
30 knots. a chance of snow showers. waves 10 to 14 feet subsiding
to 8 to 11 feet. waves occasionally around 18 feet. 
.monday...northwest winds to 30 knots. a chance of snow showers.
waves 7 to 11 feet subsiding to 4 to 7 feet. waves occasionally
around 14 feet. 
.tuesday...west winds 15 to 20 knots becoming northwest 5 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.wednesday...north winds 5 to 10 knots becoming east. waves
1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

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open lake forecast for lake ontario
national weather service buffalo ny
1236 pm est sat nov 15 2025

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 29.3 inch low will track from lake superior this 
afternoon to central new england by early sunday morning. as the low 
tracks just north of the lake, it will push an attendant warm front 
across the lake this afternoon, followed by a cold front crossing 
the lake tonight. this low will deepen further to 28.9 inches over 
northern new england sunday before moving to the canadian maritimes 
monday, then north to labrador tuesday. a 30.3 inch high will then 
build from the upper great lakes tuesday to the lower great lakes 
wednesday, then to new england thursday.


loz064-065-152215-
lake ontario open waters from sodus bay to the saint lawrence
river-
1236 pm est sat nov 15 2025

...gale warning in effect from midnight est tonight through late
sunday night...

.this afternoon...southeast winds 15 to 20 knots. rain showers
likely early, then rain showers late. waves 1 to
3 feet building to 2 to 4 feet. 
.tonight...south winds 15 to 20 knots becoming west and
increasing to 35 knot gales after midnight. showers in the
evening, then a chance of showers after midnight. waves 2 to
4 feet building to 11 to 15 feet. waves occasionally around
19 feet. 
.sunday...west gales to 35 knots becoming northwest. rain showers
in the morning, then snow and rain showers likely in the
afternoon. waves 11 to 16 feet. waves occasionally around
20 feet. 
.sunday night...northwest gales to 35 knots. snow showers likely
in the evening, then a chance of snow showers overnight. waves
10 to 14 feet subsiding to 8 to 11 feet. waves occasionally
around 18 feet. 
.monday...northwest winds to 30 knots. a chance of snow showers.
waves 7 to 11 feet subsiding to 5 to 8 feet. waves occasionally
around 14 feet. 
.tuesday...northwest winds 15 to 20 knots diminishing to 5 to
15 knots. a chance of rain and snow showers. waves 3 to 6 feet
subsiding to 1 to 3 feet. 
.wednesday...northwest winds 5 to 10 knots becoming east. 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
1037 am est sat nov 15 2025

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 over the northern great lakes will deepen to 28.90 
inches by sunday morning. this low will extend a cold front across
the lake this evening. a trough averaging 29.80 inches will 
linger over the eastern great lakes through monday before a ridge
averaging 30.20 inches builds across the central great lakes
tuesday into wednesday.


lez061-166>169-152115-
ripley to buffalo ny extending from 5nm 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-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
1037 am est sat nov 15 2025

.rest of today...south winds 15 to 25 knots becoming southwest to
30 knots. a chance of rain late this morning, then a chance of
rain with a slight chance of thunderstorms early this afternoon.
rain late. waves 3 to 5 feet building to 4 to 7 feet. waves
occasionally around 9 feet. 
.tonight...west winds to 30 knots becoming northwest. rain likely
with a slight chance of thunderstorms early, then a slight chance
of rain from late evening on. waves 5 to 9 feet building to 7 to
10 feet. waves occasionally around 13 feet. 
.sunday...northwest winds to 30 knots. a chance of rain in the
morning, then rain likely in the afternoon. waves 7 to 11 feet.
waves occasionally around 14 feet. 
.sunday night...northwest winds to 30 knots. rain likely with a
chance of snow in the evening, then a chance of snow overnight.
waves 7 to 11 feet subsiding to 6 to 9 feet. waves occasionally
around 14 feet. 
.monday...northwest winds to 30 knots diminishing to 15 to
25 knots. a chance of snow during the day. waves 6 to 9 feet
subsiding to 2 to 4 feet. waves occasionally around 11 feet. 
.tuesday...northwest winds 5 to 10 knots becoming northeast. a
chance of rain. waves 2 feet or less. 
.wednesday...east winds 5 to 10 knots becoming southeast. waves
1 foot or less. 

winds and waves higher in and near thunderstorms.

$$