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(1/3)
Latest Great Lakes Marine Forecast by KBUF
Issued 8/7/2026 4:03 AM America/New_York.
Valid through 8/7/2026 11:00 AM America/New_York.
fzus61 kbuf 070803
glflo
expires:202608071500;;759073
open lake forecast for lake ontario
national weather service buffalo ny
402 am edt fri aug 7 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 29.4 inch low over northeastern manitoba will slowly
track east over the hudson bay and weaken to 29.6 inches by saturday
while sending its cold front through the region. a 30.1 inch high
over the southeast will then nose in over lake ontario sunday
followed by a 29.8 inch low that will pass by to the north of the
lake monday through tuesday.
loz062-071500-
lake ontario open waters from the niagara river to hamlin beach-
402 am edt fri aug 7 2026
.today...light and variable winds. a chance of showers through
early afternoon, then a chance of showers and thunderstorms late.
waves 1 foot or less.
.tonight...east winds 10 knots or less becoming southwest. a
chance of showers and thunderstorms early. a chance of showers
late. waves 1 foot or less.
.saturday...southwest winds 5 to 15 knots. a chance of showers in
the morning, then a chance of showers and thunderstorms in the
afternoon. waves 2 feet or less.
.saturday night...southwest winds 10 to 15 knots becoming west. a
chance of showers and thunderstorms in the evening, then a chance
of showers overnight. waves 1 to 2 feet.
.sunday...west winds 5 to 15 knots becoming southwest. a chance
of showers sunday night. waves 2 feet or less.
.monday...southwest winds 5 to 10 knots becoming west. a chance
of showers and thunderstorms during the day, then showers likely
with a chance of thunderstorms monday night. waves 1 to 2 feet.
.tuesday...west winds 5 to 10 knots becoming northwest. showers
likely during the day, then a chance of showers tuesday night.
waves 1 foot or less.
winds and waves higher in and near thunderstorms.
$$
(2/3)
Latest Great Lakes Marine Forecast by KBUF
Issued 8/7/2026 4:03 AM America/New_York.
Valid through 8/7/2026 11:00 AM America/New_York.
fzus61 kbuf 070803
glflo
expires:202608071500;;759074
open lake forecast for lake ontario
national weather service buffalo ny
402 am edt fri aug 7 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 29.4 inch low over northeastern manitoba will slowly
track east over the hudson bay and weaken to 29.6 inches by saturday
while sending its cold front through the region. a 30.1 inch high
over the southeast will then nose in over lake ontario sunday
followed by a 29.8 inch low that will pass by to the north of the
lake monday through tuesday.
loz063>065-071500-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 am edt fri aug 7 2026
.today...southwest winds less than 10 knots becoming north. a
chance of showers early this afternoon. a chance of showers and
thunderstorms late. waves 1 foot or less.
.tonight...east winds 10 knots or less becoming south. a chance
of showers and thunderstorms early, then a chance of showers from
late evening on. waves 1 foot or less.
.saturday...south winds 5 to 10 knots becoming southwest. a
chance of showers in the morning, then a chance of showers and
thunderstorms in the afternoon. waves 2 feet or less.
.saturday night...southwest winds 5 to 15 knots becoming west. a
chance of showers and thunderstorms in the evening, then a chance
of showers overnight. waves 1 to 3 feet.
.sunday...west winds 5 to 15 knots becoming south. a chance of
showers sunday night. waves 1 to 3 feet.
.monday...southwest winds 5 to 15 knots becoming west. a chance
of showers and thunderstorms during the day, then showers likely
with a chance of thunderstorms monday night. waves 1 to 2 feet.
.tuesday...west winds 5 to 10 knots. showers likely during the
day. waves 2 feet or less.
winds and waves higher in and near thunderstorms.
$$
(3/3)
Latest Great Lakes Marine Forecast by KBUF
Issued 8/7/2026 4:03 AM America/New_York.
Valid through 8/7/2026 11:00 AM America/New_York.
fzus61 kbuf 070803
glfsl
expires:202608071500;;759168
forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
403 am edt fri aug 7 2026
slz022-024-071500-
saint lawrence river from cape vincent to saint regis
403 am edt fri aug 7 2026
.today...light and variable winds. partly sunny.
.tonight...southwest winds less than 10 knots. a chance of
showers late in the evening. a chance of showers and
thunderstorms after midnight.
.saturday...southwest winds 10 knots or less. a chance of showers
in the morning, then a chance of showers and thunderstorms in the
afternoon.
.saturday night...southwest winds 5 to 10 knots. a chance of
showers and thunderstorms in the evening, then a chance of
showers overnight.
.sunday...west winds 5 to 10 knots becoming southwest. a chance
of showers during the day.
.monday...southwest winds 10 knots or less. showers likely with a
chance of thunderstorms.
.tuesday...west winds less than 10 knots. a chance of showers.
winds and waves higher in and near thunderstorms.
$$
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