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open lake forecast for lake ontario
national weather service buffalo ny
402 am edt sat oct 10 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 high pressure ridge averaging 30.1 inches exits slowly 
eastward today through sunday before a weak trough averaging 29.8 
inches slides eastward across the lake sunday night. behind the 
trough, a weak ridge averaging 29.9 inches slides eastward across 
the lake on monday, exits eastward monday night, and is followed by 
a cold front sweeping southeastward across the lake on tuesday. 
behind the cold front, a ridge averaging 30.0 inches builds from 
northern ontario and vicinity through this wednesday.


loz062-101500-
lake ontario open waters from the niagara river to hamlin beach-
402 am edt sat oct 10 2026

.today...southeast winds 10 to 15 knots becoming east 15 to
20 knots. waves 1 to 3 feet. 
.tonight...east winds 15 to 20 knots becoming southeast 5 to
15 knots. waves 1 to 3 feet. 
.sunday...southeast winds 5 to 15 knots becoming east. a chance
of rain in the morning, then rain in the afternoon. waves 1 to
2 feet. 
.sunday night...east winds 5 to 15 knots becoming northeast less
than 10 knots. rain. waves 2 feet or less. 
.monday...northwest winds 10 knots or less becoming southwest
10 to 15 knots. showers likely monday night. waves 1 foot or less
building to 1 to 3 feet. 
.tuesday...northwest winds 15 to 20 knots becoming north 10 to
15 knots. showers likely. waves 2 to 4 feet. 
.wednesday...north winds 5 to 15 knots. waves 1 to 3 feet. 

$$

fzus61 kbuf 100802
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expires:202610101500;;843633

open lake forecast for lake ontario
national weather service buffalo ny
402 am edt sat oct 10 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 high pressure ridge averaging 30.1 inches exits slowly 
eastward today through sunday before a weak trough averaging 29.8 
inches slides eastward across the lake sunday night. behind the 
trough, a weak ridge averaging 29.9 inches slides eastward across 
the lake on monday, exits eastward monday night, and is followed by 
a cold front sweeping southeastward across the lake on tuesday. 
behind the cold front, a ridge averaging 30.0 inches builds from 
northern ontario and vicinity through this wednesday.


loz063>065-101500-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 am edt sat oct 10 2026

.today...east winds 5 to 15 knots. waves 2 feet or less. 
.tonight...east winds 10 to 15 knots becoming southeast 15 to
20 knots. waves 1 to 3 feet. 
.sunday...southeast winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of rain in the morning, then rain in the
afternoon. waves 1 to 3 feet. 
.sunday night...east winds 5 to 15 knots becoming northeast.
rain. waves 1 to 3 feet. 
.monday...northwest winds 10 knots or less becoming southwest and
increasing to 15 to 20 knots. showers likely monday night. waves
1 to 3 feet. 
.tuesday...north winds 15 to 20 knots. showers. waves 3 to 5 feet
subsiding to 2 to 4 feet. 
.wednesday...north winds 15 to 20 knots diminishing to 5 to
10 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
350 am edt sat oct 10 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 30.40 inches over the eastern great lakes will
build to new england today. the remnant low of isaias 29.80 
inches will move northeast into the ohio valley sunday and exit 
east off the mid-atlantic coast by monday. a cold front with
pressure of 29.70 inches will settle south across lake erie 
tuesday afternoon. high pressure of 30.30 inches will build over
the upper great lakes on wednesday. 


lez061-167>169-101415-
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-
350 am edt sat oct 10 2026

.today...southeast winds 5 to 15 knots becoming east. waves
2 feet or less. 
.tonight...southeast winds 10 to 15 knots increasing to 15 to
20 knots. rain likely late. waves 1 to 3 feet building to 3 to
5 feet. 
.sunday...southeast winds 15 to 20 knots becoming east 10 to
15 knots. rain. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.sunday night...northeast winds 5 to 15 knots becoming north
10 knots or less. a chance of showers in the evening. waves 1 to
3 feet. 
.monday...northwest winds 5 to 10 knots becoming southwest and
increasing to 15 to 20 knots. showers likely with a chance of
thunderstorms monday night. waves 1 to 3 feet building to 2 to
4 feet. 
.tuesday...southwest winds 15 to 20 knots becoming north. a
chance of showers and thunderstorms during the day. waves 3 to
5 feet subsiding to 2 to 4 feet. 
.wednesday...north winds 5 to 15 knots becoming northeast. waves
1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$