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open lake forecast for lake ontario
national weather service buffalo ny
402 pm est sat nov 8 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 29.9 inch high will persist across the lake tonight. a 
29.7 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. 
west-northwest flow will persist across the eastern great lakes 
region thursday, while a 30.2 inch high moves from the northern 
plains to the southern ohio valley.


loz062-090400-
lake ontario open waters from the niagara river to hamlin beach-
402 pm est sat nov 8 2025

.tonight...north winds 5 to 15 knots becoming east 15 to
20 knots. a chance of rain late this evening. rain after
midnight. waves 1 to 2 feet building to 2 to 4 feet. 
.sunday...northeast winds 20 to 25 knots. rain in the morning,
then rain and snow in the afternoon. waves 3 to 6 feet building
to 6 to 9 feet. waves occasionally around 11 feet. 
.sunday night...north winds 15 to 25 knots. snow showers. waves
5 to 8 feet subsiding to 3 to 5 feet. waves occasionally around
10 feet. 
.monday...north winds 15 to 20 knots becoming northwest. a chance
of snow showers. waves 3 to 5 feet subsiding to 2 to 3 feet. 
.monday night...northwest winds 15 to 20 knots becoming west.
snow showers likely. waves 3 to 6 feet. 
.tuesday...west winds to 30 knots becoming southwest. snow
showers likely with a chance of rain showers during the day, then
rain showers tuesday night. waves 6 to 9 feet building to 7 to
11 feet. waves occasionally around 14 feet. 
.wednesday...west gales to 35 knots. showers. waves 8 to 11 feet
building to 9 to 13 feet, then subsiding to 7 to 10 feet. waves
occasionally around 16 feet. 
.thursday...west gales to 35 knots diminishing to 30 knots.
showers likely. waves 8 to 12 feet subsiding to 5 to 8 feet.
waves occasionally around 15 feet. 

$$

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open lake forecast for lake ontario
national weather service buffalo ny
402 pm est sat nov 8 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 29.9 inch high will persist across the lake tonight. a 
29.7 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. 
west-northwest flow will persist across the eastern great lakes 
region thursday, while a 30.2 inch high moves from the northern 
plains to the southern ohio valley.


loz063>065-090400-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 pm est sat nov 8 2025

.tonight...north winds 5 to 15 knots becoming northeast 15 to
20 knots. a chance of rain late this evening. rain after
midnight, then rain and snow late. waves 2 feet or less building
to 2 to 4 feet. 
.sunday...northeast winds 15 to 25 knots increasing to 30 knots.
rain. waves 3 to 6 feet building to 6 to 9 feet. waves
occasionally around 11 feet. 
.sunday night...northeast winds to 30 knots becoming north and
diminishing to 15 to 20 knots. rain and snow showers in the
evening, then snow and rain showers overnight. waves 5 to 9 feet
subsiding to 3 to 6 feet. waves occasionally around 11 feet. 
.monday...north winds 15 to 20 knots becoming northwest. snow
showers. waves 3 to 5 feet subsiding to 2 to 4 feet. 
.monday night...northwest winds 15 to 25 knots becoming west.
snow showers. waves 2 to 4 feet building to 3 to 6 feet. 
.tuesday...northwest winds to 30 knots becoming southwest. rain
and snow showers. waves 7 to 10 feet building to 9 to 13 feet.
waves occasionally around 16 feet. 
.wednesday...west gales to 35 knots diminishing to 30 knots. rain
showers. waves 8 to 11 feet building to 10 to 14 feet. waves
occasionally around 18 feet. 
.thursday...west gales to 35 knots diminishing to 15 to 25 knots.
rain showers. waves 10 to 14 feet subsiding to 7 to 10 feet.
waves occasionally around 18 feet. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
321 pm est sat nov 8 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 29.60 inches will move from the mid-mississippi 
valley east just south of lake erie on sunday. a trough averaging
29.80 inches will linger over lake erie through the first part of
this week. a brief ridge averaging 30.00 inches will build north
on tuesday before a low pressure 29.50 inches more a warm front
northeast tuesday night, followed by a cold front on wednesday. a
trough averaging 29.80 inches will linger across the area on
thursday.


lez061-167>169-090330-
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-
321 pm est sat nov 8 2025

.tonight...northeast winds 5 to 15 knots increasing to 15 to
20 knots. a chance of showers early, then showers from late
evening on. waves 2 feet or less building to 2 to 4 feet. 
.sunday...northeast winds 15 to 25 knots becoming north. rain
showers. waves 3 to 6 feet building to 4 to 7 feet. waves
occasionally around 9 feet. 
.sunday night...north winds 15 to 25 knots. rain showers with
snow showers likely. waves 4 to 7 feet subsiding to 3 to 6 feet.
waves occasionally around 9 feet. 
.monday...north winds 15 to 25 knots. snow showers. waves 3 to
6 feet. 
.monday night...northwest winds to 30 knots becoming west. snow
showers. waves 5 to 9 feet building to 7 to 10 feet. waves
occasionally around 13 feet. 
.tuesday...west gales to 35 knots becoming southwest. snow
showers with rain showers likely during the day, then rain
showers likely tuesday night. waves 8 to 11 feet building to
10 to 13 feet. waves occasionally around 16 feet. 
.wednesday...southwest winds to 30 knots becoming west. showers.
waves 9 to 13 feet subsiding to 8 to 11 feet. waves occasionally
around 16 feet. 
.thursday...west winds to 30 knots. a chance of showers during
the day. waves 7 to 11 feet subsiding to 4 to 7 feet. waves
occasionally around 14 feet. 

$$