(1/3)
Latest Great Lakes Marine Forecast by KBUF
Issued 6/30/2026 4:02 PM America/New_York.
Valid through 6/30/2026 11:00 PM America/New_York.
fzus61 kbuf 302002
glflo
expires:202607010300;;183307
open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt tue jun 30 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 build into the ohio valley and mid
atlantic tonight and wednesday, where it will remain through at
least thursday. a weak 29.9 inch trough will then approach and cross
the lake friday into saturday.
loz062-010300-
lake ontario open waters from the niagara river to hamlin beach-
402 pm edt tue jun 30 2026
.tonight...southwest winds 10 to 15 knots. waves 1 to 2 feet.
.wednesday...southwest winds 10 to 15 knots. waves 1 to 3 feet.
.wednesday night...southwest winds 10 to 15 knots. showers likely
with a chance of thunderstorms in the evening. waves 1 to 3 feet.
.thursday...southwest winds 10 to 15 knots increasing to 15 to
20 knots. waves 1 to 3 feet.
.thursday night...southwest winds 15 to 20 knots becoming west
10 to 15 knots. waves 2 to 4 feet subsiding to 1 to 2 feet.
.friday...west winds 5 to 10 knots becoming southwest. a chance
of showers and thunderstorms. waves 1 to 2 feet.
.saturday...west winds 10 knots or less becoming north. a chance
of showers and thunderstorms during the day, then a chance of
showers saturday night. waves 1 foot or less.
.sunday...northeast winds 10 knots or less. a chance of showers
sunday night. waves 1 foot or less.
winds and waves higher in and near thunderstorms.
$$
(2/3)
Latest Great Lakes Marine Forecast by KBUF
Issued 6/30/2026 4:02 PM America/New_York.
Valid through 6/30/2026 11:00 PM America/New_York.
fzus61 kbuf 302002
glflo
expires:202607010300;;183308
open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt tue jun 30 2026
for waters beyond five nautical miles of shore on lake ontario
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...a 30.1 inch high will build into the ohio valley and mid
atlantic tonight and wednesday, where it will remain through at
least thursday. a weak 29.9 inch trough will then approach and cross
the lake friday into saturday.
loz063>065-010300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 pm edt tue jun 30 2026
...severe thunderstorm watch 423 in effect until 8 pm edt this
evening...
.tonight...south winds 5 to 10 knots becoming southwest. waves
2 feet or less.
.wednesday...southwest winds 5 to 15 knots becoming west. waves
2 feet or less.
.wednesday night...southwest winds 5 to 15 knots. a chance of
showers and thunderstorms in the evening. waves 1 to 3 feet.
.thursday...southwest winds 5 to 15 knots becoming west. waves
1 to 3 feet.
.thursday night...southwest winds 5 to 15 knots becoming west.
waves 1 to 3 feet.
.friday...west winds 5 to 15 knots. a chance of showers and
thunderstorms friday night. waves 1 to 3 feet.
.saturday...west winds 10 knots or less becoming north. a chance
of showers and thunderstorms. waves 1 foot or less.
.sunday...northeast winds less than 10 knots becoming north. a
chance of showers sunday night. waves 1 foot or less.
winds and waves higher in and near thunderstorms.
$$
(3/3)
Latest Great Lakes Marine Forecast by KCLE
Issued 6/30/2026 3:58 PM America/New_York.
Valid through 6/30/2026 10:15 PM America/New_York.
fzus61 kcle 301958
glfle
expires:202607010215;;183102
open lake forecast for lake erie
national weather service cleveland oh
358 pm edt tue jun 30 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...
a ridge averaging 30.00 inches will remain over the area through
friday. a weak trough averaging 29.90 inches will enter on friday
night into saturday.
lez061-165>169-010215-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-
vermilion to avon point oh beyond 5 nm off shoreline to us-
canadian border-
avon point to willowick oh beyond 5 nm off shoreline to us-
canadian border-willowick to geneva-on-the-
lake oh beyond 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-
358 pm edt tue jun 30 2026
.tonight...southwest winds 5 to 15 knots. a slight chance of
showers after midnight. waves 1 to 3 feet.
.wednesday...southwest winds 10 to 15 knots. waves 1 to 3 feet.
.wednesday night...southwest winds 5 to 10 knots. waves 1 to
3 feet.
.thursday...southwest winds 10 to 15 knots. waves 1 to 2 feet.
.thursday night...southwest winds 5 to 15 knots. waves 1 to
2 feet.
.friday...southwest winds 5 to 10 knots. a chance of showers and
thunderstorms friday night. waves 2 feet or less.
.saturday...west winds 5 to 10 knots becoming northeast. a chance
of showers and thunderstorms. waves 1 foot or less.
.sunday...northeast winds 5 to 10 knots. a chance of showers.
waves 1 foot or less.
winds and waves higher in and near thunderstorms.
$$
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