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open lake forecast for lake ontario
national weather service buffalo ny
1002 am 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 29.4 inch low over lake superior will slowly deepen to 
29.2 inches as it makes its way to western and central quebec today 
and 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.


loz062-072200-
lake ontario open waters from the niagara river to hamlin beach-
1002 am est fri nov 7 2025

.rest of today...south winds to 30 knots becoming southwest.
showers. waves 3 to 5 feet building to 4 to 7 feet. waves
occasionally around 9 feet. 
.tonight...southwest winds 15 to 25 knots becoming northwest. a
chance of showers in the evening. waves 3 to 6 feet building to
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 likely overnight.
waves 1 to 2 feet. 
.sunday...east winds 15 to 25 knots becoming northwest. rain
showers during the day, then rain showers with snow showers
likely sunday night. waves 3 to 5 feet building to 4 to 7 feet,
then subsiding to 3 to 5 feet. waves occasionally around 9 feet. 
.monday...northwest winds 15 to 20 knots becoming west and
increasing to 30 knots. 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 40 knots becoming southwest and
diminishing to 30 knots. snow showers likely with a chance of
rain showers during the day, then rain showers likely tuesday
night. waves 10 to 13 feet building to 12 to 16 feet, then
subsiding to 10 to 14 feet. waves occasionally around 20 feet. 

$$

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open lake forecast for lake ontario
national weather service buffalo ny
1002 am 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 29.4 inch low over lake superior will slowly deepen to 
29.2 inches as it makes its way to western and central quebec today 
and 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.


loz063>065-072200-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 am est fri nov 7 2025

.rest of today...south winds to 30 knots. a chance of showers
late this morning, then showers this afternoon. waves 4 to 7 feet
building to 6 to 9 feet. waves occasionally around 11 feet. 
.tonight...southwest winds to 30 knots becoming west 15 to
25 knots. showers in the evening, then a chance of showers after
midnight. 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. a chance of showers. waves 5 to 8 feet subsiding to
1 to 3 feet. waves occasionally around 10 feet. 
.saturday night...northwest winds 5 to 15 knots becoming east. a
chance of rain showers in the evening, then rain showers likely
overnight. waves 2 feet or less. 
.sunday...east winds 15 to 25 knots becoming northwest. rain
showers during the day, then rain showers with snow showers
likely sunday night. waves 3 to 6 feet. 
.monday...northwest winds 15 to 25 knots becoming west to
30 knots. snow showers with rain showers likely. waves 3 to
6 feet building to 6 to 9 feet. waves occasionally around
11 feet. 
.tuesday...west gales to 35 knots becoming southwest. snow
showers with rain showers likely during the day, then rain
showers tuesday night. waves 10 to 14 feet building to 13 to
18 feet, then subsiding to 10 to 14 feet. waves occasionally
around 23 feet. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
1003 am 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 of 29.30 inches tracks east across the upper great 
lakes today, pulling a cold front east across lake erie through
this evening. low pressure of 29.70 inches will move from the
mid-mississippi valley through the eastern great lakes on sunday,
pulling a stronger cold front across the region. a trough 
averaging 30.00 inches will linger over the lake through early 
next week.


lez061-167>169-072130-
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-
1003 am est fri nov 7 2025

.rest of today...south winds to 30 knots becoming southwest.
rain, then a chance of rain late. waves 7 to 11 feet. waves
occasionally around 14 feet. 
.tonight...west winds to 30 knots becoming northwest 15 to
25 knots. a chance of rain early, then a slight chance of rain
from late evening on. 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
chance of rain in the afternoon. waves 2 to 4 feet subsiding to
1 foot or less. 
.saturday night...northeast winds 10 knots or less becoming east
10 to 15 knots. a chance of rain in the evening, then rain
overnight. waves 2 feet or less. 
.sunday...northeast winds 15 to 25 knots becoming northwest. rain
during the day, then rain and snow sunday night. waves 3 to
5 feet building to 4 to 7 feet, then subsiding to 3 to 6 feet.
waves occasionally around 9 feet. 
.monday...northwest winds 15 to 25 knots becoming west to
30 knots. snow likely during the day, then snow monday night.
waves 4 to 7 feet building to 8 to 11 feet. waves occasionally
around 14 feet. 
.tuesday...west winds to 30 knots becoming southwest. rain and
snow likely during the day, then rain likely tuesday night. waves
10 to 14 feet. waves occasionally around 18 feet. 

$$