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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.


loz042-211500-
niagara river to hamlin beach along lake ontario-
404 am edt tue jul 21 2026

...small craft advisory in effect from 10 am edt this morning
through late wednesday night...

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

winds and waves higher in and near thunderstorms.

$$

fzus51 kbuf 210804
nshbuf
expires:202607211500;;337668

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.

$$