fzus61 kbuf 131402
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expires:202606132100;;676221

open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt sat jun 13 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 30.0 inch high will ridge across the lower great lakes 
through sunday morning, then a cold front will cross the region 
sunday afternoon and evening. the eastern edge of a 30.1 inch high 
over the plains states will push over the lake on monday with a 
trough averaging 29.8 inches crossing the lake on tuesday. a 29.4 
inch low will then track north of the lake on wednesday, with its 
trailing cold front approaching the lake late in the day on 
wednesday.


loz062-132100-
lake ontario open waters from the niagara river to hamlin beach-
1002 am edt sat jun 13 2026

.this afternoon...southwest winds 10 to 15 knots. waves 1 to
2 feet. 
.tonight...southwest winds 15 to 20 knots diminishing to 10 to
15 knots. waves 1 to 3 feet building to 2 to 4 feet, then
subsiding to 1 to 3 feet. 
.sunday...southwest winds 5 to 10 knots becoming west. showers
with a chance of thunderstorms. waves 1 to 2 feet. 
.sunday night...northwest winds 10 to 15 knots becoming west
15 to 20 knots. showers in the evening. waves 1 to 3 feet. 
.monday...west winds 15 to 20 knots becoming southwest 5 to
15 knots. waves 2 to 4 feet subsiding to 1 to 2 feet. 
.tuesday...southwest winds 5 to 15 knots becoming south. a chance
of showers tuesday night. waves 2 feet or less. 
.wednesday...south winds 15 to 20 knots. a chance of showers
during the day, then showers likely wednesday night. waves 1 to
3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 131402
glflo 
expires:202606132100;;676222

open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt sat jun 13 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 30.0 inch high will ridge across the lower great lakes 
through sunday morning, then a cold front will cross the region 
sunday afternoon and evening. the eastern edge of a 30.1 inch high 
over the plains states will push over the lake on monday with a 
trough averaging 29.8 inches crossing the lake on tuesday. a 29.4 
inch low will then track north of the lake on wednesday, with its 
trailing cold front approaching the lake late in the day on 
wednesday.


loz063>065-132100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 am edt sat jun 13 2026

.this afternoon...west winds 10 to 15 knots becoming southwest.
waves 1 to 3 feet. 
.tonight...southwest winds 10 to 15 knots becoming south. waves
1 to 2 feet. 
.sunday...south winds 5 to 10 knots becoming west. showers likely
in the morning, then showers with a chance of thunderstorms in
the afternoon. waves 1 to 2 feet. 
.sunday night...west winds 10 to 15 knots increasing to 15 to
20 knots. showers with a chance of thunderstorms in the evening,
then a chance of showers overnight. waves 1 to 2 feet building to
3 to 5 feet. 
.monday...west winds 15 to 20 knots becoming southwest 5 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.tuesday...southwest winds 5 to 15 knots becoming south. waves
2 feet or less. 
.wednesday...south winds 15 to 20 knots. a chance of showers
during the day, then showers likely wednesday night. waves 1 to
3 feet. 

winds and waves higher in and near thunderstorms.

$$

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open lake forecast for lake erie
national weather service cleveland oh
933 am edt sat jun 13 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 high pressure ridge averaging 30.00 inches exits slowly eastward
before a cold front sweeps southeastward across lake erie on
sunday. behind the front, another ridge averaging 30.00 inches builds
from the northern great plains and vicinity through monday before
the ridge begins to exit eastward on tuesday through wednesday.
during wednesday night through thursday, a potent low should wobble 
east-northeastward from the upper mississippi valley to southern 
quebec and deepen to around 29.10 inches. accordingly, a warm 
front should sweep northeastward across lake erie wednesday night 
and be followed by the eastward passage of a cold front on 
thursday.


lez061-167>169-132030-
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-
933 am edt sat jun 13 2026

.this afternoon...southwest winds 5 to 10 knots. waves 1 to
3 feet. 
.tonight...southwest winds 5 to 15 knots. waves 1 to 3 feet. 
.sunday...southwest winds 10 to 15 knots becoming northwest.
showers with a chance of thunderstorms. waves 1 to 3 feet. 
.sunday night...northwest winds 10 to 15 knots. waves 2 to
3 feet. 
.monday...west winds 5 to 15 knots becoming southwest. waves 1 to
3 feet. 
.tuesday...southwest winds 10 to 15 knots becoming south 15 to
20 knots. a chance of showers tuesday night. waves 1 to 3 feet
building to 3 to 5 feet. 
.wednesday...southwest winds 15 to 20 knots becoming south and
increasing to 30 knots. a chance of showers during the day, then
showers with a chance of thunderstorms wednesday night. waves
3 to 6 feet building to 4 to 7 feet. waves occasionally around
9 feet. 

winds and waves higher in and near thunderstorms.

$$