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open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt tue sep 29 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 29.8 inch low along the southern shores of cape cod 
will northeast along the new england coast today while filling to 
29.9 inches. this low will finally dissipate over the north atlantic 
wednesday as a 30.1 inch high builds to just off the mid atlantic 
coast. a cold front over the upper great lakes wednesday night will 
cross the lower great lakes thursday night. a 30.4 inch high is then 
forecast to build into the upper great lakes friday and the lower 
great lakes by saturday, before exiting into northern maine sunday.


loz062-292100-
lake ontario open waters from the niagara river to hamlin beach-
1002 am edt tue sep 29 2026

.this afternoon...east winds 10 knots or less. waves 1 foot or
less. 
.tonight...southeast winds 10 knots or less becoming southwest.
waves 1 foot or less. 
.wednesday...southwest winds 5 to 10 knots. waves 1 foot or less.
.wednesday night...southwest winds 5 to 10 knots. a chance of
showers overnight. waves 2 feet or less. 
.thursday...southwest winds 5 to 15 knots becoming west. a chance
of showers during the day, then showers likely thursday night.
waves 1 to 3 feet. 
.friday...northwest winds 5 to 10 knots becoming north. showers
likely during the day, then a chance of showers friday night.
waves 1 to 2 feet. 
.saturday...northeast winds 5 to 15 knots becoming east. waves
1 to 2 feet. 

$$

fzus61 kbuf 291403
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open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt tue sep 29 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 29.8 inch low along the southern shores of cape cod 
will northeast along the new england coast today while filling to 
29.9 inches. this low will finally dissipate over the north atlantic 
wednesday as a 30.1 inch high builds to just off the mid atlantic 
coast. a cold front over the upper great lakes wednesday night will 
cross the lower great lakes thursday night. a 30.4 inch high is then 
forecast to build into the upper great lakes friday and the lower 
great lakes by saturday, before exiting into northern maine sunday.


loz063>065-292100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 am edt tue sep 29 2026

.this afternoon...northeast winds 10 knots or less becoming south.
waves 1 foot or less. 
.tonight...light and variable winds becoming south 5 to 10 knots.
waves 1 foot or less. 
.wednesday...south winds 5 to 10 knots. waves 2 feet or less. 
.wednesday night...south winds 5 to 15 knots. waves 2 feet or
less. 
.thursday...south winds 15 to 20 knots becoming west 10 to
15 knots. showers likely thursday night. waves 1 to 3 feet. 
.friday...northwest winds 5 to 15 knots becoming north. showers
likely during the day, then a chance of showers friday night.
waves 1 to 3 feet. 
.saturday...northeast winds 5 to 15 knots becoming southeast. a
chance of showers saturday night. waves 1 to 3 feet. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
938 am edt tue sep 29 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 30.20 inches will become centered over the mid
atlantic and carolinas today through thursday. a cold front will 
slowly sink across lake erie thursday night into friday. high 
pressure 30.20 inches returns on saturday.


lez061-168-169-292015-
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-
938 am edt tue sep 29 2026

.this afternoon...southwest winds less than 10 knots becoming
west. waves 1 foot or less. 
.tonight...light and variable winds becoming south 5 to 10 knots.
waves 1 foot or less. 
.wednesday...southwest winds 5 to 10 knots. waves 2 feet or less.
.wednesday night...south winds 5 to 15 knots. waves 1 to 3 feet. 
.thursday...south winds 10 to 15 knots becoming west. showers
likely thursday night. waves 1 to 3 feet building to 2 to 4 feet.
.friday...north winds 10 to 15 knots becoming northeast. showers
during the day. waves 1 to 3 feet. 
.saturday...northeast winds 10 to 15 knots becoming east. a
chance of showers saturday night. waves 1 to 3 feet. 

$$