(1/3)
Latest Great Lakes Marine Forecast by KBUF
Issued 6/30/2026 10:03 PM America/New_York.
Valid through 8/1/2026 5:00 AM America/New_York.
fzus61 kbuf 010203
glflo
expires:202608010900;;418329
open lake forecast for lake ontario
national weather service buffalo ny
1003 pm edt fri jul 31 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 ridge of high pressure averaging 30.0 inches will
drift to the mid atlantic tonight, then off the east coast saturday.
an elongated 29.7 inch low will then move from the ohio valley
sunday to the lower great lakes sunday night, with a remnant trough
drifting towards new england monday. a 30.0 inch high will then
build east across ontario and quebec monday through tuesday.
loz062-010900-
lake ontario open waters from the niagara river to hamlin beach-
1003 pm edt fri jul 31 2026
.overnight...south winds 10 knots or less. waves 1 foot or
less.
.saturday...south winds 10 knots or less becoming east. waves
1 foot or less.
.saturday night...east winds 5 to 10 knots. a chance of showers
in the evening, then showers overnight. waves 1 foot or less.
.sunday...east winds 5 to 10 knots becoming southeast. showers
with a chance of thunderstorms. waves 1 foot or less.
.sunday night...southeast winds 5 to 10 knots becoming east.
showers with a chance of thunderstorms in the evening, then
showers overnight. waves 1 foot or less.
.monday...northeast winds 5 to 10 knots. a chance of showers
during the day. waves 2 feet or less.
.tuesday...northeast winds 10 knots or less becoming east. waves
1 foot or less.
.wednesday...southeast winds 10 knots or less becoming southwest.
a chance of showers. waves 1 foot or less.
winds and waves higher in and near thunderstorms.
$$
(2/3)
Latest Great Lakes Marine Forecast by KBUF
Issued 6/30/2026 10:03 PM America/New_York.
Valid through 8/1/2026 5:00 AM America/New_York.
fzus61 kbuf 010203
glflo
expires:202608010900;;418330
open lake forecast for lake ontario
national weather service buffalo ny
1003 pm edt fri jul 31 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 ridge of high pressure averaging 30.0 inches will
drift to the mid atlantic tonight, then off the east coast saturday.
an elongated 29.7 inch low will then move from the ohio valley
sunday to the lower great lakes sunday night, with a remnant trough
drifting towards new england monday. a 30.0 inch high will then
build east across ontario and quebec monday through tuesday.
loz063>065-010900-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1003 pm edt fri jul 31 2026
.overnight...south winds 5 to 10 knots. waves 1 foot or
less.
.saturday...south winds 5 to 15 knots becoming east. waves 1 foot
or less.
.saturday night...east winds 5 to 10 knots becoming southeast. a
chance of showers in the evening, then showers likely overnight.
waves 2 feet or less.
.sunday...southeast winds 5 to 15 knots. showers in the morning,
then showers with a chance of thunderstorms in the afternoon.
waves 2 feet or less.
.sunday night...southeast winds 5 to 15 knots. showers with a
chance of thunderstorms in the evening, then showers overnight.
waves 1 to 2 feet.
.monday...southeast winds 5 to 15 knots becoming northeast.
showers likely during the day, then a chance of showers monday
night. waves 2 feet or less.
.tuesday...northeast winds 5 to 10 knots becoming southeast.
waves 1 foot or less.
.wednesday...south winds 10 knots or less becoming southwest. 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 KCLE
Issued 6/30/2026 9:39 PM America/New_York.
Valid through 8/1/2026 4:15 AM America/New_York.
fzus61 kcle 010139
glfle
expires:202608010815;;417846
open lake forecast for lake erie
national weather service cleveland oh
939 pm edt fri jul 31 2026
for waters beyond five nautical miles of shore on lake erie
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...
high pressure 30.10 inches will remain over the region through
the overnight before low pressure 29.60 inches enters from the
west on saturday and slowly passes south of the lake through
sunday. high pressure 30.00 inches will build back into the great
lakes region for the start of next week.
lez061-168-169-010815-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-geneva-on-the-
lake to conneaut oh beyond 5 nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
939 pm edt fri jul 31 2026
.overnight...southeast winds 10 knots or less becoming
south. waves 1 foot or less.
.saturday...south winds 10 knots or less becoming northeast.
waves 1 foot or less.
.saturday night...east winds 5 to 10 knots becoming southeast. a
chance of showers and thunderstorms in the evening, then showers
with a chance of thunderstorms overnight. waves 1 foot or less.
.sunday...southeast winds 5 to 15 knots. showers in the morning,
then showers with a chance of thunderstorms in the afternoon.
waves 2 feet or less.
.sunday night...southeast winds 5 to 15 knots. showers with a
chance of thunderstorms in the evening, then a chance of showers
overnight. waves 2 feet or less.
.monday...east winds 5 to 15 knots becoming northeast. a chance
of showers during the day. waves 2 feet or less.
.tuesday...northeast winds 10 knots or less becoming southeast. a
chance of showers. waves 1 foot or less.
.wednesday...south winds 10 knots or less becoming southwest. a
chance of showers. waves 1 foot or less.
winds and waves higher in and near thunderstorms.
$$
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