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(1/3)
Latest Great Lakes Marine Forecast by KBUF
Issued 6/27/2026 10:01 AM America/New_York.
Valid through 6/27/2026 5:00 PM America/New_York.
fzus61 kbuf 271401
glflo
expires:202606272100;;995557
open lake forecast for lake ontario
national weather service buffalo ny
1001 am edt sat jun 27 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 weak 29.9 inch low will move east across the canadian
maritimes throughout the day today. meanwhile, a 30.1 inch high will
build into the upper great lakes today through early sunday before
drifting east to quebec and new england by monday, then east of the
new england coast by tuesday. another broad 30.1 inch high will
build into the ohio valley and mid atlantic by wednesday.
loz062-272100-
lake ontario open waters from the niagara river to hamlin beach-
1001 am edt sat jun 27 2026
.this afternoon...north winds less than 10 knots becoming
northeast. waves 1 foot or less.
.tonight...northeast winds less than 10 knots. waves 1 foot or
less.
.sunday...light and variable winds becoming east 5 to 10 knots.
waves 1 foot or less.
.sunday night...northeast winds 10 knots or less becoming east.
waves 1 foot or less.
.monday...east winds 5 to 10 knots becoming southeast. a chance
of showers and thunderstorms monday night. waves 1 foot or less.
.tuesday...south winds 5 to 15 knots becoming southwest. a chance
of showers and thunderstorms during the day. waves 1 to 3 feet.
.wednesday...southwest winds 10 to 15 knots. waves 1 to 3 feet.
winds and waves higher in and near thunderstorms.
$$
(2/3)
Latest Great Lakes Marine Forecast by KBUF
Issued 6/27/2026 10:01 AM America/New_York.
Valid through 6/27/2026 5:00 PM America/New_York.
fzus61 kbuf 271401
glflo
expires:202606272100;;995558
open lake forecast for lake ontario
national weather service buffalo ny
1001 am edt sat jun 27 2026
for waters beyond five nautical miles of shore on lake ontario
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...a weak 29.9 inch low will move east across the canadian
maritimes throughout the day today. meanwhile, a 30.1 inch high will
build into the upper great lakes today through early sunday before
drifting east to quebec and new england by monday, then east of the
new england coast by tuesday. another broad 30.1 inch high will
build into the ohio valley and mid atlantic by wednesday.
loz063>065-272100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1001 am edt sat jun 27 2026
.this afternoon...west winds less than 10 knots becoming north.
waves 1 foot or less.
.tonight...northeast winds less than 10 knots. waves 1 foot or
less.
.sunday...light and variable winds. waves 1 foot or less.
.sunday night...northwest winds less than 10 knots. waves 1 foot
or less.
.monday...east winds 10 knots or less becoming southeast. a
chance of showers and thunderstorms monday night. waves 1 foot or
less.
.tuesday...south winds 5 to 10 knots becoming southwest. a chance
of showers and thunderstorms. waves 2 feet or less.
.wednesday...southwest winds 10 to 15 knots becoming west. a
chance of showers during the day. waves 1 to 3 feet.
winds and waves higher in and near thunderstorms.
$$
(3/3)
Latest Great Lakes Marine Forecast by KBUF
Issued 6/27/2026 10:01 AM America/New_York.
Valid through 6/27/2026 5:00 PM America/New_York.
fzus61 kbuf 271401
glfsl
expires:202606272100;;995571
forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
1001 am edt sat jun 27 2026
slz022-024-272100-
saint lawrence river from cape vincent to saint regis
1001 am edt sat jun 27 2026
.this afternoon...south winds less than 10 knots. mostly sunny.
.tonight...light and variable winds. partly cloudy.
.sunday...light and variable winds. sunny.
.sunday night...light and variable winds. mainly clear.
.monday...light and variable winds. mainly clear, then becoming
mostly cloudy.
.tuesday...south winds 5 to 10 knots becoming southwest. a chance
of showers and thunderstorms.
.wednesday...southwest winds 10 knots or less. a chance of
showers during the day, then a chance of showers and
thunderstorms wednesday night.
winds and waves higher in and near thunderstorms.
$$
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