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nearshore marine forecast
national weather service buffalo ny
404 am edt tue jul 21 2026

for waters within five nautical miles of shore

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.


loz043-211500-
hamlin beach to sodus bay along lake ontario
including irondequoit bay-
404 am edt tue jul 21 2026

.today...south winds 10 to 15 knots becoming southwest. showers
with a chance of thunderstorms from late morning on. some
thunderstorms may produce gusty winds from late morning on. waves
2 feet or less. 
.tonight...southwest winds 10 to 15 knots becoming west 15 to
20 knots. showers likely with a chance of thunderstorms in the
evening, then a chance of showers overnight. some thunderstorms
may produce gusty winds in the evening. waves 2 feet or less
building to 3 to 5 feet. waves occasionally around 6 feet. 
.wednesday...west winds 15 to 25 knots. partly sunny. waves 3 to
6 feet building to 4 to 7 feet. waves occasionally around 9 feet.
.wednesday night...west winds 15 to 25 knots diminishing to 10 to
15 knots. becoming mainly clear. waves 4 to 7 feet subsiding to
2 to 4 feet. waves occasionally around 9 feet. 
.thursday...west winds 10 knots or less becoming southwest.
mainly clear. waves 1 to 3 feet subsiding to 1 foot or less. 
.friday...south winds less than 10 knots. mainly clear, then
becoming partly cloudy. waves 1 foot or less. 
.saturday...south winds 10 knots or less. mainly clear, then
becoming partly cloudy. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

the water temperature off rochester is 74 degrees.

$$

fzus51 kbuf 210804
nshbuf
expires:202607211500;;337669

nearshore marine forecast
national weather service buffalo ny
404 am edt tue jul 21 2026

for waters within five nautical miles of shore

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.


loz044-211500-
sodus bay to mexico bay along lake ontario-
404 am edt tue jul 21 2026

.today...south winds 10 to 15 knots. showers likely with a chance
of thunderstorms late this morning. showers with thunderstorms
likely this afternoon. some thunderstorms may produce gusty winds
from late morning on. waves 2 feet or less. 
.tonight...south winds 10 to 15 knots becoming west 15 to
20 knots. showers likely with a chance of thunderstorms in the
evening, then a chance of showers and thunderstorms overnight.
some thunderstorms may produce gusty winds in the evening. waves
2 feet or less building to 2 to 4 feet. 
.wednesday...west winds 15 to 25 knots. a chance of showers.
waves 3 to 6 feet building to 5 to 8 feet. waves occasionally
around 10 feet. 
.wednesday night...west winds 15 to 20 knots diminishing to 10 to
15 knots. mostly cloudy in the evening, then clearing. waves 5 to
8 feet subsiding to 2 to 4 feet. waves occasionally around
10 feet. 
.thursday...west winds 10 knots or less becoming southwest.
mainly clear. waves 1 to 3 feet subsiding to 1 foot or less. 
.friday...south winds 10 knots or less becoming southeast. mainly
clear, then becoming partly cloudy. waves 1 foot or less. 
.saturday...south winds 10 knots or less. mainly clear, then
becoming partly cloudy. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus51 kbuf 210804
nshbuf
expires:202607211500;;337670

nearshore marine forecast
national weather service buffalo ny
404 am edt tue jul 21 2026

for waters within five nautical miles of shore

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.


loz045-211500-
mexico bay to the saint lawrence river along lake ontario-
404 am edt tue jul 21 2026

...small craft advisory in effect through thursday morning...

.today...south winds 15 to 20 knots. a chance of showers and
thunderstorms late this morning. showers with thunderstorms
likely this afternoon. some thunderstorms may produce gusty winds
from late morning on. waves 2 to 4 feet subsiding to 1 to 3 feet.
.tonight...south winds 10 to 15 knots becoming west 15 to
20 knots. showers likely with a chance of thunderstorms in the
evening, then a chance of showers and thunderstorms overnight.
some thunderstorms may produce gusty winds in the evening. waves
1 to 3 feet building to 2 to 4 feet. 
.wednesday...west winds 15 to 25 knots. a chance of showers.
waves 3 to 6 feet building to 4 to 7 feet. waves occasionally
around 9 feet. 
.wednesday night...west winds 15 to 20 knots diminishing to 10 to
15 knots. mostly cloudy in the evening, then clearing. waves 4 to
7 feet subsiding to 2 to 4 feet. waves occasionally around
9 feet. 
.thursday...west winds 10 knots or less becoming southwest.
mainly clear. waves 1 to 3 feet subsiding to 1 foot or less. 
.friday...south winds 10 knots or less becoming southeast. mainly
clear, then becoming partly cloudy. waves 1 foot or less. 
.saturday...south winds 10 knots or less. mainly clear, then
becoming partly cloudy. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$