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Latest Great Lakes Marine Forecast by KBUF
Issued 3/9/2026 10:09 PM America/New_York.
Valid through 3/10/2026 5:00 AM America/New_York.
fzus61 kbuf 100209
glflo
expires:202603100900;;929811
open lake forecast for lake ontario
national weather service buffalo ny
1009 pm edt mon mar 9 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 29.3 inch surface low southeast of james bay this
evening, will move to central quebec tuesday. a cold front will
stall east of the lake through wednesday, then a frontal boundary
will lift northward wednesday as a 29.5 wave of low pressure ripples
along the front, with this wave passing just to the west of the lake
wednesday night. this second low will deepen to 29.4 inches as it
moves across southern quebec thursday. a 30.2 inch high will move
across the ohio valley and mid-atlantic region thursday night
through friday. a 29.6 inch surface low will pass across the lake
friday night with a cold front, then shift east of the lake
saturday.
loz062-063-100900-
lake ontario open waters from the niagara river to sodus bay-
1009 pm edt mon mar 9 2026
.overnight...southwest winds 5 to 15 knots. waves 1 to
3 feet.
.tuesday...south winds 5 to 10 knots becoming northeast. a chance
of rain showers from late morning on. waves 1 foot or less.
.tuesday night...northeast winds 10 to 15 knots becoming east
15 to 20 knots. a chance of rain showers in the evening, then
rain showers with a chance of thunderstorms overnight. waves 1 to
3 feet building to 2 to 4 feet.
.wednesday...east winds 15 to 20 knots becoming south. rain
showers with a chance of thunderstorms. waves 2 to 4 feet.
.wednesday night...southwest winds 15 to 25 knots becoming west
to 30 knots. rain showers with a chance of thunderstorms in the
evening, then rain showers likely overnight. waves 2 to 4 feet
building to 6 to 9 feet. waves occasionally around 11 feet.
.thursday...west winds to 30 knots diminishing to 15 to 20 knots.
waves 6 to 10 feet subsiding to 4 to 7 feet. waves occasionally
around 13 feet.
.friday...south winds 15 to 25 knots becoming west and increasing
to 35 knot gales. snow and rain showers. waves 3 to 5 feet
building to 12 to 16 feet. waves occasionally around 20 feet.
.saturday...west winds to 30 knots becoming east and diminishing
to 15 to 20 knots. a chance of snow and rain showers saturday
night. waves 11 to 15 feet subsiding to 3 to 5 feet. waves
occasionally around 19 feet.
winds and waves higher in and near thunderstorms.
$$
(2/2)
Latest Great Lakes Marine Forecast by KBUF
Issued 3/9/2026 10:09 PM America/New_York.
Valid through 3/10/2026 5:00 AM America/New_York.
fzus61 kbuf 100209
glflo
expires:202603100900;;929812
open lake forecast for lake ontario
national weather service buffalo ny
1009 pm edt mon mar 9 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 29.3 inch surface low southeast of james bay this
evening, will move to central quebec tuesday. a cold front will
stall east of the lake through wednesday, then a frontal boundary
will lift northward wednesday as a 29.5 wave of low pressure ripples
along the front, with this wave passing just to the west of the lake
wednesday night. this second low will deepen to 29.4 inches as it
moves across southern quebec thursday. a 30.2 inch high will move
across the ohio valley and mid-atlantic region thursday night
through friday. a 29.6 inch surface low will pass across the lake
friday night with a cold front, then shift east of the lake
saturday.
loz064-065-100900-
lake ontario open waters from sodus bay to the saint lawrence
river-
1009 pm edt mon mar 9 2026
.overnight...southwest winds 5 to 10 knots becoming south.
waves 1 to 3 feet.
.tuesday...south winds 5 to 10 knots becoming northeast. a chance
of rain showers in the afternoon. waves 2 feet or less.
.tuesday night...northeast winds 5 to 15 knots. a chance of rain
showers in the evening, then rain showers likely overnight. waves
1 to 3 feet.
.wednesday...northeast winds 10 to 15 knots becoming south 15 to
20 knots. rain showers in the morning, then rain showers with a
chance of thunderstorms in the afternoon. waves 1 to 3 feet.
.wednesday night...south winds 15 to 25 knots becoming west to
30 knots. rain showers with a chance of thunderstorms in the
evening, then rain showers with a chance of snow showers
overnight. waves 2 to 4 feet building to 6 to 9 feet. waves
occasionally around 11 feet.
.thursday...west winds to 30 knots becoming northwest and
diminishing to 15 to 20 knots. a chance of snow showers during
the day. waves 7 to 11 feet subsiding to 4 to 7 feet. waves
occasionally around 14 feet.
.friday...south winds 15 to 20 knots becoming west and increasing
to 35 knot gales. snow and rain showers likely. waves 3 to 5 feet
building to 12 to 16 feet. waves occasionally around 20 feet.
.saturday...west gales to 35 knots becoming east and diminishing
to 15 to 20 knots. a chance of snow showers. waves 11 to 15 feet
subsiding to 2 to 4 feet. waves occasionally around 19 feet.
winds and waves higher in and near thunderstorms.
$$
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