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open lake forecast for lake ontario
national weather service buffalo ny
1002 pm 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. the high will drift eastward while a 
29.9 inch low is expected to move into the lower mississippi valley 
sunday.


loz062-280900-
lake ontario open waters from the niagara river to hamlin beach-
1002 pm edt tue oct 27 2026

.overnight...east winds 10 to 15 knots. waves 1 to 3 feet. 
.wednesday...east winds 5 to 15 knots diminishing to less than
10 knots. waves 1 to 3 feet subsiding to 1 foot or less. 
.wednesday night...east winds 10 knots or less becoming
southwest. waves 1 foot or less. 
.thursday...southwest winds 5 to 15 knots increasing to 15 to
20 knots. waves 2 feet or less building to 3 to 5 feet. 
.thursday night...southwest winds 15 to 20 knots becoming
northwest 10 to 15 knots. a chance of showers. waves 3 to 5 feet
subsiding to 1 to 3 feet. 
.friday...west winds 15 to 20 knots becoming northwest 5 to
15 knots. waves 1 to 3 feet. 
.saturday...northwest winds less than 10 knots becoming east.
waves 1 foot or less. 
.sunday...east winds 10 knots or less becoming south. a chance of
showers sunday night. waves 1 foot or less. 

$$

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open lake forecast for lake ontario
national weather service buffalo ny
1002 pm 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. the high will drift eastward while a 
29.9 inch low is expected to move into the lower mississippi valley 
sunday.


loz063>065-280900-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 pm edt tue oct 27 2026

.overnight...east winds 5 to 15 knots 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 2 feet or less. 
.thursday...south winds 10 to 15 knots becoming southwest. waves
1 to 3 feet. 
.thursday night...southwest winds 15 to 20 knots becoming west. a
chance of showers. waves 2 to 4 feet. 
.friday...west winds 15 to 20 knots becoming northwest 10 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.saturday...northwest winds 10 knots or less becoming southeast.
waves 2 feet or less. 
.sunday...southeast winds 5 to 10 knots becoming south. a chance
of showers sunday night. waves 1 foot or less. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
343 am edt wed oct 28 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... 
a ridge averaging 30.20 inches will gradually weaken ahead of a 
cold front on thursday night. high pressure of 30.40 inches builds
over the eastern great lakes again friday into saturday before a 
warm front lifts north across the lake on sunday.


lez061-167>169-281415-
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-
343 am edt wed oct 28 2026

.today...southeast winds 10 knots or less becoming west. waves
2 feet or less. 
.tonight...southeast winds 10 knots or less becoming south 10 to
15 knots. waves 2 feet or less. 
.thursday...southwest winds 10 to 15 knots increasing to 15 to
20 knots. a chance of showers in the afternoon. waves 1 to 3 feet
building to 2 to 4 feet. 
.thursday night...southwest winds 10 to 15 knots becoming
northwest. a chance of showers. waves 2 to 4 feet. 
.friday...northwest winds 5 to 10 knots becoming northeast. waves
2 feet or less. 
.saturday...east winds 5 to 10 knots. waves 1 foot or less. 
.sunday...southeast winds 5 to 10 knots. waves 1 foot or less. 

$$