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open lake forecast for lake ontario
national weather service buffalo ny
402 am edt tue oct 27 2026

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 ridge averaging 30.6 inches affects the lake through 
thursday as the embedded high pressure center wobbles southeastward 
from northern ontario to north atlantic waters southeast of the 
canadian maritimes. the ridge exits eastward thursday night as a 
cold front sweeps eastward across the lake. behind the front, 
another ridge averaging 30.2 inches builds from the western great 
lakes through this saturday.


loz062-271500-
lake ontario open waters from the niagara river to hamlin beach-
402 am edt tue oct 27 2026

.today...northeast winds 5 to 15 knots becoming east. waves 1 to
3 feet. 
.tonight...east winds 5 to 15 knots. waves 1 to 2 feet. 
.wednesday...east winds 5 to 15 knots diminishing to less than
10 knots. waves 2 feet or less. 
.wednesday night...east winds 10 knots or less becoming
southwest. waves 1 foot or less. 
.thursday...southwest winds 10 to 15 knots becoming west. a
chance of showers thursday night. waves 2 feet or less building
to 3 to 5 feet, then subsiding to 2 to 4 feet. 
.friday...northwest winds 5 to 15 knots becoming north less than
10 knots. waves 1 to 3 feet subsiding to 1 foot or less. 
.saturday...northeast winds 10 knots or less becoming southeast.
waves 1 foot or less. 

$$

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open lake forecast for lake ontario
national weather service buffalo ny
402 am edt tue oct 27 2026

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 ridge averaging 30.6 inches affects the lake through 
thursday as the embedded high pressure center wobbles southeastward 
from northern ontario to north atlantic waters southeast of the 
canadian maritimes. the ridge exits eastward thursday night as a 
cold front sweeps eastward across the lake. behind the front, 
another ridge averaging 30.2 inches builds from the western great 
lakes through this saturday.


loz063>065-271500-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 am edt tue oct 27 2026

.today...northeast winds 5 to 15 knots diminishing to less than
10 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.tonight...northeast winds 10 knots or less becoming southeast.
waves 2 feet or less. 
.wednesday...southeast winds 5 to 10 knots. waves 2 feet or less.
.wednesday night...southeast winds 5 to 15 knots becoming south.
waves 1 to 3 feet. 
.thursday...south winds 10 to 15 knots becoming west. showers
likely thursday night. waves 1 to 3 feet building to 2 to 4 feet.
.friday...northwest winds 5 to 15 knots. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.saturday...north winds 10 knots or less becoming southeast.
waves 1 foot or less. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
339 am edt tue oct 27 2026

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 of 30.50 inches will strengthen over the eastern 
great lakes today before moving off the new england coast 
wednesday. the next cold front slides south across lake erie 
thursday night. high pressure of 30.40 inches will build over the 
eastern great lakes again friday into saturday.


lez061-167>169-271415-
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-
339 am edt tue oct 27 2026

.today...east winds 10 to 15 knots becoming northeast. waves 2 to
4 feet subsiding to 1 to 3 feet. 
.tonight...east winds 5 to 15 knots becoming southeast. waves
2 to 4 feet subsiding to 1 to 3 feet. 
.wednesday...south winds 5 to 10 knots becoming light and
variable. waves 2 feet or less. 
.wednesday night...southeast winds 10 knots or less becoming
south 10 to 15 knots. waves 2 feet or less. 
.thursday...southwest winds 15 to 20 knots becoming west. a
chance of showers thursday night. waves 1 to 3 feet. 
.friday...north winds 10 knots or less becoming northeast. waves
1 to 3 feet subsiding to 1 foot or less. 
.saturday...east winds 5 to 10 knots becoming southeast. waves
1 foot or less. 

$$