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open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt thu oct 23 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 will move slowly north into northern 
quebec through friday. a 30.4 inch high will then move from the 
upper mississippi valley friday to the great lakes saturday, then 
expand and build to 30.6 inches across new england and quebec by 
monday.


loz062-240300-
lake ontario open waters from the niagara river to hamlin beach-
402 pm edt thu oct 23 2025

.tonight...northwest winds 15 to 20 knots becoming west. a chance
of waterspouts. showers likely early, then a chance of showers.
lake effect showers likely late. waves 2 to 4 feet. 
.friday...west winds 15 to 20 knots becoming northwest 10 to
15 knots. a chance of waterspouts through early afternoon. lake
effect showers likely early, then a chance of showers from late
morning on. waves 2 to 4 feet. 
.friday night...northwest winds 10 to 15 knots. a chance of
showers. waves 1 to 3 feet. 
.saturday...northwest winds 5 to 10 knots. a chance of showers.
waves 1 foot or less. 
.saturday night...northwest winds 5 to 10 knots becoming north. a
chance of showers. waves 1 foot or less. 
.sunday...north winds 5 to 10 knots becoming east. a chance of
showers during the day. waves 2 feet or less. 
.monday...east winds 10 to 15 knots increasing to 15 to 20 knots.
waves 1 to 3 feet building to 2 to 4 feet. 
.tuesday...east winds 15 to 20 knots. waves 2 to 4 feet building
to 3 to 5 feet, then subsiding to 2 to 4 feet. 

$$

fzus61 kbuf 232002
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open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt thu oct 23 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 will move slowly north into northern 
quebec through friday. a 30.4 inch high will then move from the 
upper mississippi valley friday to the great lakes saturday, then 
expand and build to 30.6 inches across new england and quebec by 
monday.


loz063>065-240300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 pm edt thu oct 23 2025

.tonight...west winds 15 to 20 knots. a chance of waterspouts.
lake effect showers early, then lake effect showers likely with a
few rumbles of thunder possible late this evening. lake effect
showers after midnight. waves 3 to 5 feet subsiding to 2 to
4 feet. 
.friday...west winds 15 to 20 knots becoming northwest 10 to
15 knots. a chance of waterspouts through early afternoon. lake
effect showers with a few rumbles of thunder possible in the
morning, then lake effect showers likely in the afternoon. waves
2 to 4 feet. 
.friday night...northwest winds 5 to 15 knots. a chance of
showers in the evening, then lake effect showers likely
overnight. waves 1 to 3 feet. 
.saturday...northwest winds 5 to 10 knots. showers likely in the
morning, then a chance of showers in the afternoon. waves 2 feet
or less. 
.saturday night...northwest winds 5 to 10 knots becoming north. a
chance of showers. waves 1 foot or less. 
.sunday...northeast winds 5 to 10 knots. a chance of rain showers
during the day. waves 2 feet or less. 
.monday...northeast winds 10 to 15 knots becoming east. waves
1 to 3 feet. 
.tuesday...east winds 10 to 15 knots. waves 1 to 3 feet. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
336 pm edt thu oct 23 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...
high pressure 30.40 inches builds in from the west over the lower
great lakes tonight through friday night, through the weekend 
before exiting on monday. a trough averaging 30.20 inches digs in
early next week.


lez061-168-169-240215-
ripley to buffalo ny extending from 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-
336 pm edt thu oct 23 2025

.tonight...northwest winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of waterspouts. a chance of showers with a
slight chance of thunderstorms early, then showers from late
evening on. waves 3 to 6 feet subsiding to 2 to 4 feet. 
.friday...northwest winds 15 to 20 knots. a chance of waterspouts
early. showers. waves 2 to 4 feet. 
.friday night...northwest winds 15 to 20 knots diminishing to
5 to 15 knots. showers. waves 2 to 4 feet subsiding to 1 to
3 feet. 
.saturday...northwest winds 10 knots or less. showers likely in
the morning, then a chance of showers in the afternoon. waves
1 foot or less. 
.saturday night...northwest winds less than 10 knots becoming
northeast. a chance of showers. waves 1 foot or less. 
.sunday...northeast winds 5 to 15 knots becoming east. a chance
of showers during the day. waves 1 to 3 feet. 
.monday...east winds 15 to 20 knots. waves 1 to 3 feet building
to 3 to 5 feet. 
.tuesday...east winds 15 to 20 knots. a chance of showers tuesday
night. waves 2 to 4 feet. 

winds and waves higher in and near thunderstorms.

$$