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nearshore marine forecast
national weather service buffalo ny
1004 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.


lez020-212100-
upper niagara river and buffalo harbor-
1004 am edt tue jul 21 2026

...small craft advisory in effect until 9 pm edt this evening...

.rest of today...south winds 15 to 20 knots becoming southwest.
showers likely with a chance of thunderstorms late this morning,
then a chance of showers and thunderstorms early this afternoon.
showers with a chance of thunderstorms late. some thunderstorms
may produce gusty winds. 
.tonight...southwest winds 5 to 15 knots becoming west. showers
likely with a chance of thunderstorms in the evening. some
thunderstorms may produce gusty winds in the evening. 
.wednesday...west winds around 10 knots. partly sunny. 
.wednesday night...northwest winds 5 to 10 knots becoming light
and variable. partly cloudy in the evening, then becoming mainly
clear. 
.thursday...light and variable winds. mainly clear. 
.friday...light and variable winds. mainly clear. 
.saturday...south winds less than 10 knots. partly cloudy. 

winds and waves higher in and near thunderstorms.

the water temperature off buffalo is 75 degrees.

$$

fzus51 kbuf 211404
nshbuf
expires:202607212100;;350788

nearshore marine forecast
national weather service buffalo ny
1004 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.


lez040-041-212100-
buffalo to ripley along lake erie-
1004 am edt tue jul 21 2026

...small craft advisory in effect through this evening...

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

winds and waves higher in and near thunderstorms.

$$

fzus51 kbuf 211404
nshbuf
expires:202607212100;;350789

nearshore marine forecast
national weather service buffalo ny
1004 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.


loz042-212100-
niagara river to hamlin beach along lake ontario-
1004 am edt tue jul 21 2026

...small craft advisory in effect through late wednesday night...

.rest of today...southwest winds 15 to 20 knots. showers with a
chance of thunderstorms. some thunderstorms may produce gusty
winds. 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 211404
nshbuf
expires:202607212100;;350790

nearshore marine forecast
national weather service buffalo ny
1004 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.


loz043-212100-
hamlin beach to sodus bay along lake ontario
including irondequoit bay-
1004 am edt tue jul 21 2026

.rest of today...south winds 10 to 15 knots becoming southwest.
showers with a chance of thunderstorms. some thunderstorms may
produce gusty winds. waves 1 to 2 feet. 
.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 72 degrees.

$$

fzus51 kbuf 211404
nshbuf
expires:202607212100;;350791

nearshore marine forecast
national weather service buffalo ny
1004 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.


loz044-212100-
sodus bay to mexico bay along lake ontario-
1004 am edt tue jul 21 2026

.rest of today...south winds 15 to 20 knots diminishing to 10 to
15 knots. showers likely with a chance of thunderstorms late this
morning, then showers with thunderstorms likely this afternoon.
some thunderstorms may produce gusty winds. waves 1 to 2 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
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 211404
nshbuf
expires:202607212100;;350792

nearshore marine forecast
national weather service buffalo ny
1004 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.


loz045-212100-
mexico bay to the saint lawrence river along lake ontario-
1004 am edt tue jul 21 2026

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

.rest of today...south winds 15 to 20 knots. a chance of showers
and thunderstorms late this morning, then showers with
thunderstorms likely this afternoon. some thunderstorms may
produce gusty winds. 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.

$$