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(1/3)
Latest Great Lakes Marine Forecast by KBUF
Issued 8/4/2026 10:03 AM America/New_York.
Valid through 8/4/2026 5:00 PM America/New_York.
fzus61 kbuf 041403
glflo
expires:202608042100;;609144
open lake forecast for lake ontario
national weather service buffalo ny
1003 am edt tue aug 4 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 averaging 30.0 inches builds eastward across the
lake ontario region today and then exit slowly toward new england
through saturday. a cold front should approach lake ontario slowly
from the northwest thursday through saturday.
loz062-042100-
lake ontario open waters from the niagara river to hamlin beach-
1003 am edt tue aug 4 2026
.this afternoon...southwest winds 5 to 10 knots becoming
northeast. waves 1 foot or less.
.tonight...east winds 10 knots or less becoming south. waves
1 foot or less.
.wednesday...southwest winds less than 10 knots. waves 1 foot or
less.
.wednesday night...east winds 10 knots or less becoming
southwest. a chance of showers overnight. waves 1 foot or less.
.thursday...southwest winds less than 10 knots. a chance of
showers. waves 1 foot or less.
.friday...west winds less than 10 knots becoming southwest. a
chance of showers and thunderstorms. waves 1 foot or less.
.saturday...west winds 5 to 10 knots becoming southwest. a chance
of showers during the day. waves 1 foot or less.
winds and waves higher in and near thunderstorms.
$$
(2/3)
Latest Great Lakes Marine Forecast by KBUF
Issued 8/4/2026 10:03 AM America/New_York.
Valid through 8/4/2026 5:00 PM America/New_York.
fzus61 kbuf 041403
glflo
expires:202608042100;;609145
open lake forecast for lake ontario
national weather service buffalo ny
1003 am edt tue aug 4 2026
for waters beyond five nautical miles of shore on lake ontario
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...a ridge averaging 30.0 inches builds eastward across the
lake ontario region today and then exit slowly toward new england
through saturday. a cold front should approach lake ontario slowly
from the northwest thursday through saturday.
loz063>065-042100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1003 am edt tue aug 4 2026
.this afternoon...southwest winds 5 to 15 knots becoming north.
waves 1 foot or less.
.tonight...east winds 10 knots or less becoming south. waves
1 foot or less.
.wednesday...south winds 5 to 15 knots becoming east less than
10 knots. waves 2 feet or less.
.wednesday night...southeast winds 10 knots or less becoming
south. a chance of showers overnight. waves 1 foot or less.
.thursday...south winds 5 to 10 knots becoming southwest. a
chance of showers and thunderstorms. waves 1 foot or less.
.friday...west winds 10 knots or less becoming southwest. a
chance of showers and thunderstorms. waves 1 foot or less.
.saturday...southwest winds 5 to 10 knots. a chance of showers
and thunderstorms during the day. waves 1 foot or less.
winds and waves higher in and near thunderstorms.
$$
(3/3)
Latest Great Lakes Marine Forecast by KCLE
Issued 8/4/2026 9:15 AM America/New_York.
Valid through 8/4/2026 4:15 PM America/New_York.
fzus61 kcle 041315
glfle
expires:202608042015;;608133
open lake forecast for lake erie
national weather service cleveland oh
915 am edt tue aug 4 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 of 30.00 inches over lake erie will weaken on
wednesday as it drifts east ahead of an approaching cold front.
this front will cross lake erie thursday and friday before
stalling just east of the lakes on saturday.
lez061-165>169-042015-
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-
915 am edt tue aug 4 2026
.this afternoon...southwest winds less than 10 knots becoming
northeast. waves 1 foot or less.
.tonight...northeast winds 10 knots or less becoming southeast.
waves 1 foot or less.
.wednesday...south winds 10 knots or less becoming northwest.
waves 1 foot or less.
.wednesday night...southeast winds 10 knots or less becoming
south. waves 1 foot or less.
.thursday...southwest winds 10 knots or less. showers likely with
a chance of thunderstorms thursday night. waves 1 foot or less.
.friday...southwest winds 5 to 10 knots. a chance of showers and
thunderstorms. waves 1 foot or less.
.saturday...southwest winds 5 to 15 knots. waves 2 feet or less.
winds and waves higher in and near thunderstorms.
$$
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