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open lake forecast for lake ontario
national weather service buffalo ny
401 am edt fri may 9 2025

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 jersey shore this morning will 
move north along the new england coast, deepening to 29.5 inches as 
it reaches the gulf of maine saturday, then into the canadian 
maritimes saturday night. a 30.4 inch high will then build from 
northwest ontario province saturday to the lower great lakes sunday 
before moving off the southern new england coast monday, and then 
farther offshore of the mid atlantic tuesday.


loz062-091500-
lake ontario open waters from the niagara river to hamlin beach-
401 am edt fri may 9 2025

.today...northeast winds around 10 knots becoming west. waves
around 1 foot. 
.tonight...west winds 10 to 15 knots becoming northwest. waves
1 to 2 feet. 
.saturday...west winds 10 to 15 knots. waves 1 to 3 feet. 
.saturday night...west winds 10 to 15 knots becoming north. waves
1 to 3 feet. 
.sunday...north winds 5 to 10 knots becoming southeast. waves
2 feet or less. 
.monday...south winds 10 knots or less. waves 1 foot or less. 
.tuesday...south winds 5 to 10 knots becoming southeast. waves
1 foot or less. 

$$
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open lake forecast for lake ontario
national weather service buffalo ny
401 am edt fri may 9 2025

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 jersey shore this morning will 
move north along the new england coast, deepening to 29.5 inches as 
it reaches the gulf of maine saturday, then into the canadian 
maritimes saturday night. a 30.4 inch high will then build from 
northwest ontario province saturday to the lower great lakes sunday 
before moving off the southern new england coast monday, and then 
farther offshore of the mid atlantic tuesday.


loz063>065-091500-
lake ontario open waters from hamlin beach to the saint lawrence
river-
401 am edt fri may 9 2025

.today...north winds 10 to 15 knots becoming northwest. a chance
of showers late. waves 1 to 3 feet. 
.tonight...northwest winds 10 to 15 knots. a chance of showers.
waves 1 to 3 feet. 
.saturday...northwest winds 10 to 15 knots becoming west 15 to
20 knots. waves 1 to 3 feet building to 3 to 5 feet. 
.saturday night...west winds 15 to 20 knots becoming north 10 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.sunday...north winds 5 to 15 knots becoming south. waves 1 to
3 feet subsiding to 1 foot or less. 
.monday...west winds 5 to 10 knots becoming south. waves 2 feet
or less. 
.tuesday...south winds 5 to 10 knots becoming southeast. waves
2 feet or less. 

$$
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open lake forecast for lake erie
national weather service cleveland oh
334 am edt fri may 9 2025

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 30.30 inches will gradually build east across the
area today into saturday. a weak trough averaging 30.10 inches
will sag south across lake erie on saturday night. high pressure
30.50 inches returns on sunday and persists through monday. low
pressure 29.80 inches across the lower mississippi valley will
lift a warm front north towards the eastern great lakes early next
week.


lez061-167>169-091415-
ripley to buffalo ny extending from 5nm 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-
334 am edt fri may 9 2025

.today...northeast winds 5 to 10 knots becoming west. waves
2 feet or less. 
.tonight...west winds 5 to 15 knots becoming northwest. waves
1 to 2 feet. 
.saturday...west winds 5 to 15 knots becoming southwest. waves
1 to 2 feet. 
.saturday night...west winds 5 to 15 knots becoming northeast.
waves 1 to 2 feet. 
.sunday...northeast winds 5 to 15 knots becoming east. waves
2 feet or less. 
.monday...southeast winds 5 to 10 knots becoming south. waves
1 foot or less. 
.tuesday...southeast winds 5 to 10 knots. a chance of showers.
waves 1 foot or less. 

$$
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