(1/3)
Latest Great Lakes Marine Forecast by KBUF
Issued 7/1/2026 10:03 AM America/New_York.
Valid through 7/1/2026 5:00 PM America/New_York.
fzus61 kbuf 011403
glfsl
expires:202607012100;;224025
forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
1003 am edt wed jul 1 2026
slz022-024-012100-
saint lawrence river from cape vincent to saint regis
1003 am edt wed jul 1 2026
.this afternoon...southwest winds 5 to 10 knots. a chance of
showers and thunderstorms late.
.tonight...southwest winds 5 to 15 knots. a chance of showers and
thunderstorms.
.thursday...southwest winds 5 to 15 knots. showers likely with a
chance of thunderstorms in the afternoon.
.thursday night...southwest winds 5 to 15 knots diminishing to
less than 10 knots. showers likely with a chance of thunderstorms
in the evening, then a chance of showers overnight.
.friday...southwest winds 10 knots or less. mainly clear, then
becoming partly cloudy.
.saturday...southwest winds less than 10 knots. a chance of
showers.
.sunday...light and variable winds. a chance of showers.
winds and waves higher in and near thunderstorms.
$$
(2/3)
Latest Great Lakes Marine Forecast by KBUF
Issued 7/1/2026 10:02 AM America/New_York.
Valid through 7/1/2026 5:00 PM America/New_York.
fzus61 kbuf 011402
glflo
expires:202607012100;;224003
open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt wed jul 1 2026
for waters beyond five nautical miles of shore on lake ontario
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...a 30.1 inch high will remain anchored from the ohio
valley to the mid atlantic today through friday. a weak cold front
will then move slowly south across the great lakes saturday, then
stall just south of the lake sunday.
loz062-012100-
lake ontario open waters from the niagara river to hamlin beach-
1002 am edt wed jul 1 2026
.this afternoon...southwest winds 10 to 15 knots. waves 1 to
3 feet.
.tonight...southwest winds 10 to 15 knots. waves 1 to 3 feet.
.thursday...southwest winds 10 to 15 knots increasing to 15 to
20 knots. waves 1 to 3 feet building to 2 to 4 feet.
.thursday night...southwest winds 15 to 20 knots becoming west
5 to 15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet.
.friday...west winds 5 to 10 knots becoming southwest. a chance
of showers and thunderstorms. waves 2 feet or less.
.saturday...southwest winds 10 knots or less becoming north.
showers likely with a chance of thunderstorms. waves 1 foot or
less.
.sunday...northeast winds 10 knots or less becoming north. a
chance of showers. waves 1 foot or less.
winds and waves higher in and near thunderstorms.
$$
(3/3)
Latest Great Lakes Marine Forecast by KBUF
Issued 7/1/2026 10:02 AM America/New_York.
Valid through 7/1/2026 5:00 PM America/New_York.
fzus61 kbuf 011402
glflo
expires:202607012100;;224004
open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt wed jul 1 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 30.1 inch high will remain anchored from the ohio
valley to the mid atlantic today through friday. a weak cold front
will then move slowly south across the great lakes saturday, then
stall just south of the lake sunday.
loz063>065-012100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 am edt wed jul 1 2026
.this afternoon...southwest winds 5 to 15 knots becoming west.
waves 1 to 2 feet.
.tonight...southwest winds 5 to 15 knots. a chance of showers and
thunderstorms late in the evening. waves 1 to 3 feet.
.thursday...southwest winds 5 to 15 knots becoming west. waves
1 to 3 feet.
.thursday night...southwest winds 5 to 15 knots becoming west. a
chance of showers in the evening, then a chance of showers and
thunderstorms overnight. waves 2 to 4 feet subsiding to 1 to
3 feet.
.friday...west winds 5 to 15 knots. a chance of showers during
the day, then a chance of showers and thunderstorms friday night.
waves 1 to 3 feet.
.saturday...west winds 10 knots or less becoming northwest. a
chance of showers and thunderstorms. waves 1 foot or less.
.sunday...northeast winds less than 10 knots becoming west. a
chance of showers. waves 1 foot or less.
winds and waves higher in and near thunderstorms.
$$
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