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open lake forecast for lake ontario
national weather service buffalo ny
1003 pm edt sun aug 2 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...an elongated 29.7 inch low will continue to move into 
the lower great lakes tonight, 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.


loz062-030900-
lake ontario open waters from the niagara river to hamlin beach-
1003 pm edt sun aug 2 2026

.rest of tonight...northeast winds 10 to 15 knots becoming
northwest 15 to 20 knots. showers likely with a chance of
thunderstorms late this evening, then a chance of showers after
midnight. waves 1 to 3 feet building to 2 to 4 feet. 
.monday...northwest winds 15 to 20 knots becoming west. a chance
of showers early. waves 2 to 4 feet. 
.monday night...west winds 5 to 15 knots. waves 1 to 3 feet
subsiding to 1 foot or less. 
.tuesday...west winds less than 10 knots. waves 1 foot or less. 
.tuesday night...southeast winds 10 knots or less becoming south.
waves 1 foot or less. 
.wednesday...south winds less than 10 knots becoming southwest.
waves 1 foot or less. 
.thursday...southwest winds less than 10 knots becoming west. a
chance of showers thursday night. waves 1 foot or less. 
.friday...west winds less than 10 knots becoming southwest. a
chance of showers. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

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open lake forecast for lake ontario
national weather service buffalo ny
1003 pm edt sun aug 2 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...an elongated 29.7 inch low will continue to move into 
the lower great lakes tonight, 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>065-030900-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1003 pm edt sun aug 2 2026

.rest of tonight...southeast winds 15 to 20 knots becoming
southwest. showers with a chance of thunderstorms. waves 2 to
4 feet. 
.monday...northwest winds 15 to 20 knots becoming west. a chance
of showers through early afternoon. waves 2 to 4 feet building to
3 to 5 feet. 
.monday night...west winds 15 to 20 knots becoming northwest 5 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.tuesday...west winds 5 to 10 knots. waves 2 feet or less. 
.tuesday night...southeast winds 10 knots or less becoming south.
waves 1 foot or less. 
.wednesday...south winds 10 knots or less. a chance of showers
wednesday night. waves 1 foot or less. 
.thursday...south winds 10 knots or less becoming west. a chance
of showers and thunderstorms. waves 1 foot or less. 
.friday...west 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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open lake forecast for lake erie
national weather service cleveland oh
959 pm edt sun aug 2 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...
low pressure 29.70 inches will exit to the northeast early 
monday. high pressure 30.00 inches will build over the region 
monday through tuesday. low pressure 29.90 inches will cross the 
lake on wednesday with a slow-moving frontal boundary approaching 
from the west thursday and friday.


lez061-168-169-030815-
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-
959 pm edt sun aug 2 2026

.rest of tonight...north winds 15 to 20 knots. showers likely
with a chance of thunderstorms late this evening, then a chance
of showers with a slight chance of thunderstorms after midnight.
waves 2 to 4 feet. 
.monday...north winds 5 to 15 knots becoming west. waves 1 to
3 feet. 
.monday night...northwest winds 10 knots or less becoming east.
waves 1 foot or less. 
.tuesday...south winds less than 10 knots becoming north. waves
1 foot or less. 
.tuesday night...northeast winds 10 knots or less becoming south.
waves 1 foot or less. 
.wednesday...south winds 10 knots or less. 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 10 knots or less. a chance of showers.
waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$