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Latest Great Lakes Marine Forecast by KBUF
Issued 3/14/2026 10:04 PM America/New_York.
Valid through 3/15/2026 5:00 AM America/New_York.
fzus61 kbuf 150204
glflo
expires:202603150900;;688612
open lake forecast for lake ontario
national weather service buffalo ny
1003 pm edt sat mar 14 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 29.5 inch low will exit across the canadian maritimes
this evening as a 30.4 inch high builds into the central great
lakes, then across the lake tonight before moving east of the lake
sunday. meanwhile, a 29.5 inch surface low over the mid mississippi
valley sunday morning will track northeastward and deepen to 28.9
inches just to the west of the lake monday morning, before pushing
northeastward across quebec through tuesday. this low will sweep a
strong cold front across the lake monday afternoon, with a 30.4 inch
high building across the great lakes and ohio valley tuesday. the
high will then shift east of the lake wednesday and reach the east
coast by wednesday evening.
loz062-150900-
lake ontario open waters from the niagara river to hamlin beach-
1003 pm edt sat mar 14 2026
...gale watch in effect from monday afternoon through tuesday
morning...
.overnight...north winds 5 to 15 knots becoming east. a
chance of snow showers late. waves 1 to 3 feet.
.sunday...east winds 15 to 20 knots increasing to 30 knots. snow
likely in the morning. waves 2 to 4 feet building to 5 to 8 feet.
waves occasionally around 10 feet.
.sunday night...southeast winds to 30 knots. waves 5 to 8 feet.
waves occasionally around 10 feet.
.monday...southeast winds to 30 knots becoming southwest. rain
showers in the morning, then rain and snow showers in the
afternoon. waves 5 to 8 feet building to 7 to 10 feet. waves
occasionally around 13 feet.
.monday night...southwest gales to 35 knots becoming west. snow
and rain showers in the evening, then a chance of snow showers
overnight. waves 10 to 14 feet building to 11 to 15 feet. waves
occasionally around 19 feet.
.tuesday...west gales to 35 knots diminishing to 15 to 20 knots.
a chance of snow showers. waves 10 to 15 feet subsiding to 4 to
7 feet. waves occasionally around 19 feet.
.wednesday...southwest winds 10 to 15 knots becoming south. waves
2 to 4 feet subsiding to 1 to 2 feet.
.thursday...south winds 5 to 15 knots becoming southwest. a
chance of rain showers thursday night. waves 1 to 2 feet.
$$
(2/2)
Latest Great Lakes Marine Forecast by KBUF
Issued 3/14/2026 10:04 PM America/New_York.
Valid through 3/15/2026 5:00 AM America/New_York.
fzus61 kbuf 150204
glflo
expires:202603150900;;688613
open lake forecast for lake ontario
national weather service buffalo ny
1003 pm edt sat mar 14 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 29.5 inch low will exit across the canadian maritimes
this evening as a 30.4 inch high builds into the central great
lakes, then across the lake tonight before moving east of the lake
sunday. meanwhile, a 29.5 inch surface low over the mid mississippi
valley sunday morning will track northeastward and deepen to 28.9
inches just to the west of the lake monday morning, before pushing
northeastward across quebec through tuesday. this low will sweep a
strong cold front across the lake monday afternoon, with a 30.4 inch
high building across the great lakes and ohio valley tuesday. the
high will then shift east of the lake wednesday and reach the east
coast by wednesday evening.
loz063>065-150900-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1003 pm edt sat mar 14 2026
...gale watch in effect from monday evening through tuesday
evening...
.overnight...northwest winds 5 to 15 knots becoming east.
waves 4 to 7 feet subsiding to 1 to 3 feet. waves occasionally
around 9 feet.
.sunday...southeast winds 15 to 25 knots. snow likely in the
morning. waves 1 to 3 feet building to 4 to 7 feet. waves
occasionally around 9 feet.
.sunday night...southeast winds to 30 knots increasing to 35 knot
gales. waves 5 to 8 feet building to 7 to 10 feet. waves
occasionally around 13 feet.
.monday...southeast gales to 35 knots becoming southwest and
diminishing to 30 knots in the afternoon. showers. waves 6 to
10 feet subsiding to 5 to 8 feet. waves occasionally around
13 feet.
.monday night...west winds to 30 knots increasing to 40 knot
gales. rain and snow showers in the evening, then snow showers
overnight. waves 7 to 10 feet building to 11 to 16 feet. waves
occasionally around 20 feet.
.tuesday...west gales to 40 knots becoming northwest and
diminishing to 15 to 25 knots. lake effect snow showers. waves
13 to 17 feet subsiding to 7 to 10 feet. waves occasionally
around 22 feet.
.wednesday...west winds 5 to 15 knots becoming south 15 to
20 knots. waves 3 to 6 feet subsiding to 3 to 5 feet.
.thursday...south winds 15 to 20 knots becoming southwest. a
chance of rain showers thursday night. waves 3 to 5 feet
subsiding to 2 to 4 feet.
$$
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