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open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt thu jul 9 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 30.0 inch high will move off the mid atlantic 
coast today, giving way to a weak cold front that will cross the 
lake tonight through early friday. another 30.0 inch high will then 
build across the upper great lakes friday and the lower great lakes 
over the weekend, before drifting off the new england coast monday.


loz062-092100-
lake ontario open waters from the niagara river to hamlin beach-
1002 am edt thu jul 9 2026

.this afternoon...southwest winds 5 to 10 knots becoming northwest
and increasing to 15 to 20 knots. a chance of showers and
thunderstorms early. showers with a chance of
thunderstorms late. waves 1 foot or less. 
.tonight...west winds 5 to 15 knots becoming northwest 10 knots
or less. showers with a chance of thunderstorms early, then a
chance of showers and thunderstorms late in the evening. a chance
of showers after midnight. waves 2 feet or less. 
.friday...north winds less than 10 knots. waves 1 foot or less. 
.friday night...northwest winds 10 knots or less becoming
northeast. waves 1 foot or less. 
.saturday...northeast winds 10 knots or less. waves 1 foot or
less. 
.sunday...northeast winds less than 10 knots becoming south.
waves 1 foot or less. 
.monday...southwest winds 10 knots or less increasing to 10 to
15 knots. waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 091402
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expires:202607092100;;678025

open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt thu jul 9 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 30.0 inch high will move off the mid atlantic 
coast today, giving way to a weak cold front that will cross the 
lake tonight through early friday. another 30.0 inch high will then 
build across the upper great lakes friday and the lower great lakes 
over the weekend, before drifting off the new england coast monday.


loz063>065-092100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 am edt thu jul 9 2026

.this afternoon...southwest winds 5 to 15 knots becoming
northwest. a chance of showers and thunderstorms late. waves
1 foot or less. 
.tonight...northwest winds 5 to 15 knots. a chance of showers and
thunderstorms in the evening, then a chance of showers after
midnight. waves 2 feet or less. 
.friday...northwest winds 10 knots or less. a chance of showers
in the morning. waves 1 foot or less. 
.friday night...northwest winds 10 knots or less becoming
northeast. waves 1 foot or less. 
.saturday...northeast winds 10 knots or less. waves 2 feet or
less. 
.sunday...northeast winds 10 knots or less becoming south. waves
1 foot or less. 
.monday...southwest winds 5 to 15 knots. waves 2 feet 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
339 pm edt thu jul 9 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 30.00 inches will linger over lake erie this evening 
as a weak low pressure 29.80 inches begins to sag south. this low 
will push south of the lakeshore on friday. high pressure 30.10 
inches returns for this weekend and will persist into early next 
week. 


lez061-165>169-100215-
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-
339 pm edt thu jul 9 2026

.tonight...southwest winds 5 to 10 knots. a chance of showers and
thunderstorms through the early overnight, then a chance of
showers with a slight chance of thunderstorms late. waves 2 feet
or less. 
.friday...west winds 10 knots or less becoming northwest. a
chance of showers with a slight chance of thunderstorms through
early afternoon, then a slight chance of showers and
thunderstorms late. waves 2 feet or less. 
.friday night...northwest winds 5 to 10 knots becoming northeast.
waves 2 feet or less. 
.saturday...northeast winds 10 to 15 knots. waves 2 feet or less.
.saturday night...northeast winds 5 to 15 knots becoming east.
waves 2 feet or less. 
.sunday...east winds 5 to 15 knots. waves 2 feet or less. 
.monday...northwest winds 10 knots or less becoming southwest.
waves 1 foot or less. 
.tuesday...southwest winds 5 to 15 knots becoming west. waves
1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$