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Latest Great Lakes Marine Forecast by KBUF
Issued 11/2/2026 4:03 PM America/New_York.
Valid through 11/2/2026 11:00 PM America/New_York.
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expires:202611030400;;155137
forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
403 pm est mon nov 2 2026
slz022-024-030400-
saint lawrence river from cape vincent to saint regis
403 pm est mon nov 2 2026
.tonight...southwest winds 10 knots or less becoming south.
cloudy.
.tuesday...south winds 5 to 10 knots. a chance of showers early,
then showers likely from late morning on.
.tuesday night...south winds 5 to 10 knots becoming southwest. a
chance of showers in the evening.
.wednesday...south winds 10 knots or less. mostly sunny.
.wednesday night...south winds 5 to 15 knots. showers likely
overnight.
.thursday...south winds 5 to 15 knots becoming southwest less
than 10 knots. showers.
.friday...southwest winds less than 10 knots becoming north. a
chance of showers.
.saturday...north winds less than 10 knots becoming west. a
chance of rain showers.
$$
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Latest Great Lakes Marine Forecast by KBUF
Issued 11/2/2026 4:02 PM America/New_York.
Valid through 11/2/2026 11:00 PM America/New_York.
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glflo
expires:202611030400;;155060
open lake forecast for lake ontario
national weather service buffalo ny
402 pm est mon nov 2 2026
for waters beyond five nautical miles of shore on lake ontario
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...a 30.4 inch high just off the mid atlantic coastline
will continue to slowly drift further offshore through tuesday. a
29.5 inch low is then forecast to move very slowly from the upper
mississippi valley tuesday to the upper great lakes by wednesday,
and then across quebec thursday and friday. following the passage of
the low...29.9 inch troughing will linger across the lower great
lakes saturday.
loz063>065-030400-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 pm est mon nov 2 2026
.tonight...south winds 5 to 15 knots. waves 2 feet or less.
.tuesday...south winds 10 to 15 knots. a chance of showers. waves
2 feet or less.
.tuesday night...south winds 10 to 15 knots. waves 1 to 3 feet.
.wednesday...south winds 5 to 15 knots becoming southeast. waves
1 to 3 feet.
.wednesday night...south winds 15 to 20 knots. a chance of
showers in the evening, then showers overnight. waves 1 to 3 feet
building to 2 to 4 feet.
.thursday...south winds 15 to 20 knots becoming southwest 5 to
15 knots. showers. waves 2 to 4 feet subsiding to 1 foot or less.
.friday...south winds 10 knots or less becoming north. a chance
of showers. waves 2 feet or less.
.saturday...north winds 10 to 15 knots becoming west. a chance of
showers. waves 1 to 3 feet.
$$
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