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open lake forecast for lake ontario
national weather service buffalo ny
1002 pm edt mon sep 28 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 continue to drift northeast along the new england coast through 
tuesday 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.


loz062-290900-
lake ontario open waters from the niagara river to hamlin beach-
1002 pm edt mon sep 28 2026

.overnight...northwest winds less than 10 knots. patchy fog
late. waves 1 foot or less. 
.tuesday...northeast winds less than 10 knots becoming east.
patchy fog early. waves 1 foot or less. 
.tuesday night...southeast winds 10 knots or less becoming
southwest. waves 1 foot or less. 
.wednesday...southwest winds 10 knots or less becoming south.
waves 1 foot or less. 
.wednesday night...south winds 5 to 15 knots becoming southwest.
waves 2 feet or less. 
.thursday...southwest winds 10 to 15 knots becoming west. a
chance of showers during the day, then showers likely thursday
night. waves 1 to 2 feet building to 2 to 4 feet, then subsiding
to 1 to 3 feet. 
.friday...northwest winds 5 to 10 knots becoming north. showers
likely during the day. waves 1 to 2 feet. 
.saturday...northeast winds 5 to 10 knots becoming southeast. a
chance of showers saturday night. waves 1 to 2 feet. 

$$

fzus61 kbuf 290202
glflo 
expires:202609290900;;221880

open lake forecast for lake ontario
national weather service buffalo ny
1002 pm edt mon sep 28 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 continue to drift northeast along the new england coast through 
tuesday 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>065-290900-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 pm edt mon sep 28 2026

.overnight...north winds 5 to 15 knots. waves 2 feet or
less. 
.tuesday...north winds 10 knots or less becoming northwest. waves
1 foot or less. 
.tuesday night...southwest winds 10 knots or less becoming south.
waves 1 foot or less. 
.wednesday...south winds 5 to 10 knots. waves 2 feet or less. 
.wednesday night...southeast winds 10 knots or less becoming
south 10 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 2 feet or less. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
927 pm edt mon sep 28 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 30.20 inches will persist over the great lakes 
through tuesday before shifting towards the mid-atlantic coast on
wednesday and thursday. a cold front will move across lake erie 
thursday night into friday. high pressure 30.20 inches returns on
saturday.


lez061-168-169-290815-
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-
927 pm edt mon sep 28 2026

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

$$