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open lake forecast for lake ontario
national weather service buffalo ny
402 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.


loz062-091500-
lake ontario open waters from the niagara river to hamlin beach-
402 am edt thu jul 9 2026

.today...southwest winds 5 to 10 knots becoming northwest and
increasing to 15 to 20 knots. a chance of showers and
thunderstorms early this afternoon. showers with a chance of
thunderstorms late. waves 2 feet 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 090802
glflo 
expires:202607091500;;665034

open lake forecast for lake ontario
national weather service buffalo ny
402 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>065-091500-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 am edt thu jul 9 2026

.today...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
341 am 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 30.10 inches will linger over lake erie this morning before
a cold front drops south across the lake tonight into friday. 
high pressure 30.10 inches returns this weekend and will persist 
into early next week.


lez061-165>169-091415-
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-
341 am edt thu jul 9 2026

.today...southwest winds 5 to 15 knots becoming west. waves
2 feet or less. 
.tonight...west winds 5 to 10 knots. a slight chance of showers
and thunderstorms early, then a chance of showers and
thunderstorms. 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 and thunderstorms in the morning, then a chance
of showers in the afternoon. waves 1 foot or less. 
.friday night...northwest winds 10 knots or less becoming
northeast. waves 1 foot or less. 
.saturday...northeast winds 5 to 15 knots becoming east. waves
2 feet or less. 
.sunday...east winds 5 to 10 knots becoming southeast. waves
2 feet or less. 
.monday...south winds 10 knots or less becoming southwest. waves
2 feet or less. 

winds and waves higher in and near thunderstorms.

$$