fzus61 kbuf 132002
glflo 
expires:202606140300;;691073

open lake forecast for lake ontario
national weather service buffalo ny
402 pm 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. a second 29.4 inch surface low will pass across the upper 
great lakes thursday, with a warm front, followed by a cold front to 
sweep across the lake throughout the day.


loz062-140300-
lake ontario open waters from the niagara river to hamlin beach-
402 pm edt sat jun 13 2026

.tonight...southwest winds 15 to 20 knots diminishing to 10 to
15 knots. waves 1 to 3 feet. 
.sunday...southwest winds 5 to 15 knots becoming northwest. a
chance of showers early, then showers with a chance of
thunderstorms from late morning on. some thunderstorms may
produce gusty winds from late morning on. waves 1 to 2 feet. 
.sunday night...northwest winds 10 to 15 knots becoming west
15 to 20 knots. showers likely in the evening. waves 1 to 3 feet
building to 2 to 4 feet. 
.monday...west winds 15 to 20 knots becoming southwest 10 to
15 knots. waves 2 to 4 feet. 
.monday night...southwest winds 10 to 15 knots. waves 1 to
3 feet. 
.tuesday...southwest winds 5 to 15 knots becoming south. a chance
of showers tuesday night. waves 1 to 2 feet. 
.wednesday...south winds 5 to 15 knots becoming southeast 15 to
20 knots. a chance of showers during the day, then showers likely
with a chance of thunderstorms wednesday night. waves 1 to
3 feet. 
.thursday...south winds to 30 knots becoming west. showers with a
chance of thunderstorms during the day, then a chance of showers
thursday night. waves 5 to 8 feet building to 6 to 10 feet, then
subsiding to 5 to 8 feet. waves occasionally around 13 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 132002
glflo 
expires:202606140300;;691074

open lake forecast for lake ontario
national weather service buffalo ny
402 pm 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. a second 29.4 inch surface low will pass across the upper 
great lakes thursday, with a warm front, followed by a cold front to 
sweep across the lake throughout the day.


loz063>065-140300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 pm edt sat jun 13 2026

.tonight...southwest winds 10 to 15 knots. waves 1 to 2 feet. 
.sunday...southwest winds 5 to 15 knots becoming west. a chance
of showers late in the morning. showers with a chance of
thunderstorms in the afternoon. some thunderstorms may produce
gusty winds in the afternoon. waves 2 feet or less. 
.sunday night...west winds 10 to 15 knots increasing to 15 to
20 knots. showers with a chance of thunderstorms in the evening.
some thunderstorms may produce gusty winds in the evening. waves
1 to 2 feet building to 3 to 6 feet. 
.monday...west winds 15 to 20 knots. waves 3 to 6 feet subsiding
to 2 to 4 feet. 
.monday night...southwest winds 5 to 15 knots. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.tuesday...southwest winds 5 to 15 knots becoming south. waves
2 feet or less. 
.wednesday...south winds 5 to 15 knots increasing to 15 to
20 knots. a chance of showers during the day, then showers likely
wednesday night. waves 2 feet or less building to 2 to 4 feet. 
.thursday...south winds to 30 knots becoming west. showers with a
chance of thunderstorms. waves 4 to 7 feet building to 6 to
10 feet. waves occasionally around 13 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 131953
glfle 
expires:202606140215;;690733

open lake forecast for lake erie
national weather service cleveland oh
353 pm 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>169-140215-
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-
353 pm edt sat jun 13 2026

.tonight...southwest winds 5 to 15 knots. waves 1 to 3 feet. 
.sunday...southwest winds 10 to 15 knots becoming northwest 15 to
20 knots. a chance of showers with a slight chance of
thunderstorms early, then showers with a chance of thunderstorms
from late morning on. waves 1 to 3 feet. 
.sunday night...northwest winds 10 to 15 knots. a chance of
showers in the evening. waves 2 to 3 feet. 
.monday...northwest winds 10 to 15 knots becoming southwest.
waves 1 to 3 feet. 
.monday night...southwest winds 10 to 15 knots. waves 1 to
3 feet. 
.tuesday...southwest winds 10 to 15 knots becoming south 15 to
20 knots. a chance of showers and thunderstorms 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 and thunderstorms
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. 
.thursday...southwest winds to 30 knots becoming west and
diminishing to 15 to 20 knots. showers likely during the day,
then a chance of showers thursday night. waves 7 to 10 feet
subsiding to 3 to 5 feet. waves occasionally around 13 feet. 

winds and waves higher in and near thunderstorms.

$$