fzus61 kbuf 152102
glflo 
expires:202511160400;;469376

open lake forecast for lake ontario
national weather service buffalo ny
402 pm est sat nov 15 2025

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 29.2 inch low will deepen to 29.0 inches as it tracks 
from georgian bay to central new england by sunday morning while 
also sending an attendant cold front across the lake tonight. this 
low will deepen further to 28.8 inches over northern new england 
sunday before moving to the canadian maritimes monday, then north to 
labrador tuesday. a 30.3 inch high will then build from the upper 
great lakes tuesday to the lower great lakes wednesday, then to new 
england thursday.


loz062-160400-
lake ontario open waters from the niagara river to hamlin beach-
402 pm est sat nov 15 2025

...gale warning in effect from midnight est tonight through late
sunday night...

.tonight...southwest winds 15 to 25 knots becoming west to
30 knots. showers with a chance of thunderstorms early, then a
chance of showers late this evening. a chance of showers late.
waves 3 to 5 feet building to 8 to 12 feet. waves occasionally
around 15 feet. 
.sunday...northwest gales to 35 knots diminishing to 30 knots. a
chance of rain showers in the morning, then a chance of rain and
snow showers in the afternoon. waves 9 to 13 feet. waves
occasionally around 16 feet. 
.sunday night...northwest winds to 30 knots. a chance of snow
showers. waves 7 to 11 feet. waves occasionally around 14 feet. 
.monday...northwest winds to 30 knots. a chance of snow showers
in the morning. waves 5 to 9 feet. waves occasionally around
11 feet. 
.monday night...northwest winds 15 to 25 knots becoming west.
waves 4 to 7 feet subsiding to 3 to 6 feet. waves occasionally
around 9 feet. 
.tuesday...west winds 15 to 20 knots becoming northwest 5 to
15 knots. waves 3 to 5 feet subsiding to 1 to 2 feet. 
.wednesday...north winds 5 to 10 knots becoming east. waves
1 foot or less. 
.thursday...east winds 5 to 15 knots becoming southeast. rain
showers likely thursday night. waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 152102
glflo 
expires:202511160400;;469377

open lake forecast for lake ontario
national weather service buffalo ny
402 pm est sat nov 15 2025

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 29.2 inch low will deepen to 29.0 inches as it tracks 
from georgian bay to central new england by sunday morning while 
also sending an attendant cold front across the lake tonight. this 
low will deepen further to 28.8 inches over northern new england 
sunday before moving to the canadian maritimes monday, then north to 
labrador tuesday. a 30.3 inch high will then build from the upper 
great lakes tuesday to the lower great lakes wednesday, then to new 
england thursday.


loz063-160400-
lake ontario open waters from hamlin beach to sodus bay-
402 pm est sat nov 15 2025

...gale warning in effect from midnight est tonight through late
sunday night...

.tonight...south winds 15 to 20 knots becoming west and
increasing to 35 knot gales after midnight. showers this evening.
a chance of showers late. waves 1 to 3 feet building to 11 to
15 feet. waves occasionally around 19 feet. 
.sunday...west gales to 35 knots becoming northwest. rain showers
likely in the morning, then a chance of rain and snow showers in
the afternoon. waves 11 to 15 feet. waves occasionally around
19 feet. 
.sunday night...northwest gales to 35 knots diminishing to
30 knots. a chance of snow showers. waves 10 to 14 feet. waves
occasionally around 18 feet. 
.monday...northwest winds to 30 knots becoming west. a chance of
snow showers in the morning. waves 8 to 12 feet. waves
occasionally around 15 feet. 
.monday night...northwest winds to 30 knots diminishing to 15 to
20 knots. a chance of snow showers. waves 8 to 11 feet subsiding
to 5 to 9 feet. waves occasionally around 14 feet. 
.tuesday...west winds 15 to 20 knots becoming northwest 5 to
15 knots. waves 4 to 7 feet subsiding to 1 to 2 feet. waves
occasionally around 9 feet. 
.wednesday...north winds 5 to 10 knots becoming east. waves
around 1 foot. 
.thursday...southeast winds 5 to 15 knots. rain showers likely
thursday night. waves 1 to 2 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 152102
glflo 
expires:202511160400;;469378

open lake forecast for lake ontario
national weather service buffalo ny
402 pm est sat nov 15 2025

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 29.2 inch low will deepen to 29.0 inches as it tracks 
from georgian bay to central new england by sunday morning while 
also sending an attendant cold front across the lake tonight. this 
low will deepen further to 28.8 inches over northern new england 
sunday before moving to the canadian maritimes monday, then north to 
labrador tuesday. a 30.3 inch high will then build from the upper 
great lakes tuesday to the lower great lakes wednesday, then to new 
england thursday.


loz064-065-160400-
lake ontario open waters from sodus bay to the saint lawrence
river-
402 pm est sat nov 15 2025

...gale warning in effect from midnight est tonight through late
sunday night...

.tonight...south winds 15 to 20 knots becoming west and
increasing to 35 knot gales after midnight. showers this evening,
then a chance of showers after midnight. waves 3 to 6 feet
building to 11 to 15 feet. waves occasionally around 19 feet. 
.sunday...west gales to 35 knots becoming northwest. rain showers
in the morning, then rain and snow showers likely early in the
afternoon. snow showers likely late. waves 11 to 15 feet. waves
occasionally around 19 feet. 
.sunday night...northwest gales to 35 knots. snow showers likely
in the evening, then a chance of snow showers overnight. waves
10 to 14 feet. waves occasionally around 18 feet. 
.monday...northwest winds to 30 knots. a chance of snow showers.
waves 8 to 12 feet. waves occasionally around 15 feet. 
.monday night...northwest winds to 30 knots. a chance of snow
showers overnight. waves 7 to 11 feet subsiding to 5 to 8 feet.
waves occasionally around 14 feet. 
.tuesday...northwest winds 15 to 20 knots diminishing to 5 to
15 knots. a chance of rain and snow showers. waves 4 to 7 feet
subsiding to 1 to 2 feet. waves occasionally around 9 feet. 
.wednesday...northwest winds 5 to 10 knots becoming east. waves
1 foot or less. 
.thursday...southeast winds 5 to 15 knots. rain showers likely
thursday night. waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

$$

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glfle 
expires:202511160315;;467976

open lake forecast for lake erie
national weather service cleveland oh
314 pm est sat nov 15 2025

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 will deepen to 28.90 inches by sunday morning as it 
moves east towards northern new england, extending a cold front 
across the lake this evening. a trough averaging 29.80 inches will
linger over the eastern great lakes through monday. weak low 
pressure 29.90 inches will move east through the lower ohio 
valley on tuesday, followed by high pressure 30.20 inches building
from the north on wednesday.


lez061-166>169-160315-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-
avon point to willowick oh beyond 5 nm 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-
314 pm est sat nov 15 2025

.tonight...west winds to 30 knots becoming northwest. a chance of
showers with a slight chance of thunderstorms early, then a
slight chance of showers late this evening. a slight chance of
showers late. waves 6 to 10 feet. waves occasionally around
13 feet. 
.sunday...northwest winds to 30 knots. a slight chance of showers
early, then a chance of showers from late morning on. waves 7 to
11 feet. waves occasionally around 14 feet. 
.sunday night...northwest winds to 30 knots. rain showers likely
with snow showers in the evening, then a chance of snow showers
overnight. waves 7 to 11 feet. waves occasionally around 14 feet.
.monday...northwest winds to 30 knots diminishing to 15 to
25 knots. a chance of snow showers in the morning. waves 5 to
9 feet subsiding to 4 to 7 feet. waves occasionally around
11 feet. 
.monday night...northwest winds 15 to 20 knots becoming west
10 to 15 knots. waves 3 to 6 feet subsiding to 1 to 3 feet. 
.tuesday...west winds 5 to 15 knots becoming northeast. a chance
of rain. waves 1 to 3 feet subsiding to 1 foot or less. 
.wednesday...northeast winds 5 to 10 knots becoming east. waves
2 feet or less. 
.thursday...east winds 5 to 15 knots becoming south 15 to
20 knots. a chance of rain during the day, then rain likely
thursday night. waves 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$