fzus61 kbuf 120202
glflo 
expires:202610120900;;943981

open lake forecast for lake ontario
national weather service buffalo ny
1002 pm edt sun oct 11 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 
continues to slowly exit eastward and briefly replaced by a weak 
trough averaging 29.8 inches. 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 30.2 inches builds from northern ontario 
through thursday. a 29.9 inch low may move across the great lakes 
region friday. this low has the potential to deepen into a stronger 
low.


loz062-120900-
lake ontario open waters from the niagara river to hamlin beach-
1002 pm edt sun oct 11 2026

.rest of tonight...southeast winds 10 knots or less becoming
north. a chance of rain late this evening. waves 2 feet or less. 
.monday...west winds 10 knots or less becoming southwest. waves
1 foot or less. 
.monday night...south winds 5 to 15 knots becoming southwest. a
chance of showers overnight. waves 2 feet or less. 
.tuesday...southwest winds 10 to 15 knots increasing to 15 to
20 knots. showers. waves 1 to 3 feet building to 2 to 4 feet. 
.tuesday night...southwest winds 15 to 20 knots becoming
northwest 10 to 15 knots. showers in the evening, then a chance
of showers overnight. waves 2 to 4 feet. 
.wednesday...northwest winds 10 to 15 knots becoming north. waves
1 to 3 feet. 
.thursday...northeast winds 5 to 15 knots becoming southeast
15 to 20 knots. showers likely thursday night. waves 1 to 3 feet.
.friday...south winds 15 to 20 knots becoming northwest and
increasing to 30 knots. showers likely during the day, then a
chance of showers friday night. waves 2 to 4 feet building to
7 to 11 feet. waves occasionally around 14 feet. 

$$

fzus61 kbuf 120202
glflo 
expires:202610120900;;943982

open lake forecast for lake ontario
national weather service buffalo ny
1002 pm edt sun oct 11 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 
continues to slowly exit eastward and briefly replaced by a weak 
trough averaging 29.8 inches. 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 30.2 inches builds from northern ontario 
through thursday. a 29.9 inch low may move across the great lakes 
region friday. this low has the potential to deepen into a stronger 
low.


loz063>065-120900-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 pm edt sun oct 11 2026

.rest of tonight...southeast winds 5 to 15 knots becoming south
less than 10 knots. rain likely late this evening, then a chance
of rain after midnight. waves 2 feet or less. 
.monday...west winds 10 knots or less. waves 1 foot or less. 
.monday night...southwest winds 5 to 15 knots becoming south. a
chance of showers overnight. waves 2 feet or less. 
.tuesday...south winds 10 to 15 knots becoming southwest. showers
likely in the morning, then showers with a chance of
thunderstorms in the afternoon. waves 1 to 3 feet. 
.tuesday night...southwest winds 15 to 20 knots becoming
northwest 10 to 15 knots. showers with a chance of thunderstorms
in the evening, then showers likely overnight. waves 1 to 3 feet
building to 2 to 4 feet. 
.wednesday...northwest winds 10 to 15 knots becoming north 15 to
20 knots. waves 1 to 3 feet building to 2 to 4 feet. 
.thursday...north winds 15 to 20 knots becoming southeast.
showers likely thursday night. waves 2 to 4 feet subsiding to
1 to 3 feet. 
.friday...south winds 15 to 25 knots becoming northwest and
increasing to 35 knot gales. showers likely. waves 3 to 6 feet
building to 9 to 13 feet. waves occasionally around 16 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 120148
glfle 
expires:202610120815;;943537

open lake forecast for lake erie
national weather service cleveland oh
948 pm edt sun oct 11 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...
low pressure 29.70 inches will lift a warm front across the 
region on monday, followed by a cold front tuesday night. this 
front will remain just south of lake erie through thursday as 
high pressure 30.30 inches builds into the upper great lakes. low
pressure 29.60 inches will extend a cold front through the area on
friday.


lez061-167>169-120815-
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-
948 pm edt sun oct 11 2026

.rest of tonight...east winds 10 knots or less becoming north. a
slight chance of very light drizzle late this evening. waves
2 feet or less. 
.monday...northwest winds 5 to 15 knots becoming southwest. waves
2 feet or less. 
.monday night...southwest winds 10 to 15 knots increasing to
15 to 20 knots. a chance of showers overnight. waves 2 feet or
less building to 2 to 4 feet. 
.tuesday...south winds 15 to 20 knots becoming southwest. a
chance of showers in the afternoon. waves 3 to 5 feet. 
.tuesday night...southwest winds 15 to 20 knots becoming west
10 to 15 knots. a chance of showers in the evening. waves 3 to
5 feet subsiding to 2 to 4 feet. 
.wednesday...northwest winds 5 to 15 knots becoming north 15 to
20 knots. a chance of showers during the day. waves 1 to 3 feet. 
.thursday...northeast winds 10 to 15 knots becoming southeast
15 to 20 knots. a chance of showers during the day, then showers
likely thursday night. waves 2 to 4 feet building to 3 to 5 feet.
.friday...southwest winds to 30 knots becoming northwest and
increasing to 35 knot gales. showers likely during the day, then
a chance of showers friday night. waves 5 to 8 feet building to
7 to 11 feet. waves occasionally around 14 feet. 

$$