fzus61 kbuf 150802
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expires:202608151500;;221100

open lake forecast for lake ontario
national weather service buffalo ny
402 am edt sat aug 15 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 high pressure ridge averaging 30.2 inches impacts lake ontario 
today before the ridge begins to exit eastward tonight. a low of 
29.7 inches should move generally southeastward from near the 
northern great lakes to near southern new england tonight through 
monday. this low track should allow a warm front to drift 
northeastward across lake ontario later on sunday before a cold 
front sweeps eastward across the lake sunday night. behind the cold 
front, a trough averaging 29.8 inches should linger over lake 
ontario on monday. a high pressure ridge averaging 30.0 inches 
should build from the upper midwest monday night and traverse lake 
ontario on tuesday. this ridge should exit slowly eastward tuesday 
night through wednesday as a cold front approaches from the 
northwest.


loz062-151500-
lake ontario open waters from the niagara river to hamlin beach-
402 am edt sat aug 15 2026

.today...east winds 5 to 15 knots. waves 1 to 3 feet. 
.tonight...east winds 10 to 15 knots becoming southeast. waves
1 to 3 feet. 
.sunday...southeast winds 5 to 15 knots becoming east. a chance
of showers in the afternoon. waves 1 to 3 feet. 
.sunday night...southeast winds 10 knots or less becoming
northwest. a chance of showers. waves 1 foot or less. 
.monday...northwest winds 5 to 10 knots. waves 1 foot or less. 
.tuesday...west winds 10 knots or less becoming southwest 10 to
15 knots. waves 2 feet or less. 
.wednesday...southwest winds 10 to 15 knots becoming northwest.
showers likely. waves 1 to 3 feet. 

$$

fzus61 kbuf 150802
glflo 
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open lake forecast for lake ontario
national weather service buffalo ny
402 am edt sat aug 15 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 high pressure ridge averaging 30.2 inches impacts lake ontario 
today before the ridge begins to exit eastward tonight. a low of 
29.7 inches should move generally southeastward from near the 
northern great lakes to near southern new england tonight through 
monday. this low track should allow a warm front to drift 
northeastward across lake ontario later on sunday before a cold 
front sweeps eastward across the lake sunday night. behind the cold 
front, a trough averaging 29.8 inches should linger over lake 
ontario on monday. a high pressure ridge averaging 30.0 inches 
should build from the upper midwest monday night and traverse lake 
ontario on tuesday. this ridge should exit slowly eastward tuesday 
night through wednesday as a cold front approaches from the 
northwest.


loz063>065-151500-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 am edt sat aug 15 2026

.today...east winds 5 to 10 knots becoming northeast. waves
1 foot or less. 
.tonight...northeast winds 5 to 15 knots becoming southeast.
waves 2 feet or less. 
.sunday...southeast winds 5 to 15 knots. showers likely with a
chance of thunderstorms in the afternoon. waves 2 feet or less. 
.sunday night...southeast winds 10 to 15 knots becoming
northwest. showers with a chance of thunderstorms in the evening,
then showers overnight. waves 2 feet or less. 
.monday...northwest winds 5 to 10 knots. a chance of showers
during the day. waves 2 feet or less. 
.tuesday...west winds 10 knots or less becoming southwest 10 to
15 knots. waves 2 feet or less. 
.wednesday...south winds 5 to 15 knots becoming west. a chance of
showers during the day, then showers likely wednesday night.
waves 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

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open lake forecast for lake erie
national weather service cleveland oh
338 am edt sat aug 15 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...
a warm front will lift across the region tonight into sunday as 
low pressure 29.90 inches moves east across the upper great lakes.
this low will push a cold front across lake erie as it moves east
into southern quebec. high pressure 30.10 inches will build across
the region monday and tuesday before the next cold front 
approaches from the west on wednesday.


lez061-168-169-151415-
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-
338 am edt sat aug 15 2026

.today...southeast winds 10 knots or less becoming northeast.
waves 1 foot or less. 
.tonight...east winds 5 to 15 knots becoming southeast. a slight
chance of showers after midnight. a slight chance of showers and
thunderstorms late. waves 2 feet or less. 
.sunday...southeast winds 5 to 15 knots becoming southwest. a
chance of showers. waves 1 to 3 feet. 
.sunday night...west winds 5 to 15 knots becoming northwest. a
chance of showers. waves 1 to 3 feet. 
.monday...northwest winds 5 to 15 knots becoming north. waves
1 to 3 feet. 
.tuesday...west winds 10 knots or less becoming south 10 to
15 knots. waves 2 feet or less. 
.wednesday...southwest winds 10 to 15 knots becoming northwest. a
chance of showers and thunderstorms during the day, then a chance
of showers wednesday night. waves 1 to 3 feet building to 2 to
4 feet. 

winds and waves higher in and near thunderstorms.

$$