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open lake forecast for lake ontario
national weather service buffalo ny
1002 pm est fri nov 7 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 over northern ontario will slowly deepen 
to 29.2 inches as it makes its way to western and central quebec 
tonight, with its trailing cold front crossing the lake tonight. 
another 29.8 inch surface low will deepen to 29.5 inches as it 
tracks from the ohio valley to new england sunday and monday, then 
will strengthen further while moving north across quebec tuesday. 
another 29.2 inch low will move north of the great lakes region 
wednesday.


loz062-081000-
lake ontario open waters from the niagara river to hamlin beach-
1002 pm est fri nov 7 2025

.overnight...west winds 15 to 25 knots becoming northwest.
waves 5 to 8 feet. waves occasionally around 10 feet. 
.saturday...northwest winds 15 to 20 knots diminishing to 5 to
15 knots. waves 4 to 7 feet subsiding to 1 to 3 feet. waves
occasionally around 9 feet. 
.saturday night...north winds 5 to 15 knots becoming east. a
chance of showers in the evening, then showers overnight. waves
1 to 2 feet. 
.sunday...northeast winds 15 to 25 knots becoming north. rain
showers. waves 2 to 4 feet building to 4 to 7 feet. waves
occasionally around 9 feet. 
.sunday night...north winds 15 to 20 knots becoming northwest.
rain showers with snow showers likely in the evening, then snow
showers likely overnight. waves 3 to 6 feet. 
.monday...northwest winds 15 to 25 knots becoming west. a chance
of snow showers during the day, then snow showers likely monday
night. waves 3 to 6 feet building to 5 to 8 feet. waves
occasionally around 10 feet. 
.tuesday...west gales to 35 knots becoming southwest and
diminishing to 30 knots. rain and snow showers likely during the
day, then rain showers likely tuesday night. waves 8 to 11 feet
building to 10 to 13 feet, then subsiding to 8 to 11 feet. waves
occasionally around 16 feet. 
.wednesday...southwest gales to 35 knots becoming west and
diminishing to 30 knots. showers. waves 8 to 11 feet building to
10 to 13 feet, then subsiding to 6 to 9 feet. waves occasionally
around 16 feet. 

$$

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open lake forecast for lake ontario
national weather service buffalo ny
1002 pm est fri nov 7 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 over northern ontario will slowly deepen 
to 29.2 inches as it makes its way to western and central quebec 
tonight, with its trailing cold front crossing the lake tonight. 
another 29.8 inch surface low will deepen to 29.5 inches as it 
tracks from the ohio valley to new england sunday and monday, then 
will strengthen further while moving north across quebec tuesday. 
another 29.2 inch low will move north of the great lakes region 
wednesday.


loz063>065-081000-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 pm est fri nov 7 2025

.overnight...southwest winds 15 to 25 knots becoming west.
a chance of showers. waves 5 to 8 feet building to 6 to 9 feet.
waves occasionally around 11 feet. 
.saturday...northwest winds 15 to 25 knots diminishing to 5 to
15 knots. waves 6 to 9 feet subsiding to 1 to 3 feet. waves
occasionally around 11 feet. 
.saturday night...north winds 10 knots or less becoming east
10 to 15 knots. a chance of rain showers in the evening, then
rain showers overnight. waves 2 feet or less. 
.sunday...east winds 15 to 25 knots becoming north. rain showers.
waves 2 to 4 feet building to 3 to 6 feet. 
.sunday night...north winds 15 to 25 knots becoming northwest.
rain showers in the evening, then rain showers with snow showers
likely overnight. waves 3 to 6 feet. 
.monday...northwest winds 15 to 25 knots becoming west. snow and
rain showers likely during the day, then snow showers monday
night. waves 3 to 6 feet building to 6 to 9 feet. waves
occasionally around 11 feet. 
.tuesday...west winds to 30 knots becoming southwest and
increasing to 35 knot gales. snow showers with rain showers
likely during the day, then rain showers tuesday night. waves
9 to 12 feet building to 10 to 15 feet, then subsiding to 9 to
12 feet. waves occasionally around 19 feet. 
.wednesday...southwest gales to 35 knots becoming west and
diminishing to 30 knots. rain showers. waves 10 to 14 feet. waves
occasionally around 18 feet. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
923 pm est fri nov 7 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 29.70 inches will move from the mid-mississippi 
valley across the eastern great lakes on sunday, extending a 
strong cold front through the region. a trough averaging 30.00 
inches will linger over lake erie through early next week, with 
another trough arriving from the west on wednesday.


lez061-167>169-080915-
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-
923 pm est fri nov 7 2025

.overnight...west winds 15 to 25 knots becoming northwest.
a slight chance of rain. waves 5 to 8 feet subsiding to 3 to
6 feet. waves occasionally around 10 feet. 
.saturday...northwest winds 5 to 15 knots becoming north. a
slight chance of rain late in the morning. a chance of rain in
the afternoon. waves 2 to 4 feet subsiding to 1 foot or less. 
.saturday night...northeast winds 5 to 15 knots becoming east.
rain. waves 1 to 3 feet. 
.sunday...northeast winds 15 to 25 knots becoming north. rain.
waves 2 to 4 feet building to 4 to 7 feet. waves occasionally
around 9 feet. 
.sunday night...north winds 15 to 25 knots becoming northwest.
rain in the evening, then rain and snow overnight. waves 4 to
7 feet subsiding to 3 to 6 feet. waves occasionally around
9 feet. 
.monday...northwest winds 15 to 20 knots becoming west and
increasing to 30 knots. snow. waves 5 to 8 feet building to 6 to
10 feet. waves occasionally around 13 feet. 
.tuesday...west winds to 30 knots becoming southwest. snow during
the day, then rain likely tuesday night. waves 9 to 13 feet.
waves occasionally around 16 feet. 
.wednesday...southwest winds to 30 knots becoming west. rain
likely. waves 9 to 13 feet subsiding to 8 to 11 feet. waves
occasionally around 16 feet. 

$$