Barra do Una Surf Break

Lat Long: 24.43° S 47.04° W

Barra do Una Surf Forecast and Surf Report

Issued: 2 am 22 Jul 2026 (local time)

Forecast update in  hr  min

Today's Barra do Una sea temperature is
19.8° C
0.7° 

Barra do Una surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Barra do Una surf forecast from 22 Jul 2026:

  • Best quality surf: Friday 24 Jul, 9AM (local time) - 4ft (1.2m), 9s period, SSE swell with glassy winds.
  • Most powerful swell: Friday 24 Jul, 6PM (local time) - 4.5ft (1.3m), 10s period, SSE swell with 295 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 22 Jul, 9PM (local time) - 2.5ft (0.7m), 8s period with ESE swell.

Best Forecast Surf Conditions for Barra do Una this week:

The surf forecast for Barra do Una over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Jul 22) at 9PM. The primary swell is predicted to be 0.7m and 8s period with a secondary swell of 0.6m and 5s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Barra do Una in the next 16 days are 1.3m 10s and forecast to arrive on Friday (Jul 24) at 6PM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 6s period and expected on Wednesday (Jul 29) at 3AM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Wed 22nd Jul)2.5ft (0.7m) 8s
Best Surf 9AM (Fri 24th Jul)4ft (1.2m) 9s
Most Powerful 6PM (Fri 24th Jul)4.5ft (1.3m) 10s

Table - best surf conditions forecast for Barra do Una over the next 16 days.


Short Range Forecast

Heavy rain (total 56mm), heaviest during Fri morning. Warm (max 24°C on Wed morning, min 17°C on Thu night). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Warm (max 22°C on Mon morning, min 17°C on Sat night). Wind will be generally light.

Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
2
2
2
2
1
2
2
2
2
2
1
0
0
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
E
8
0.7
ESE
8
0.6
E
8
0.6
E
8
0.5
E
8
1.1
S
8
1.2
SSE
9
1.3
SSE
10
1.2
SSE
10
1.1
SSE
10
1.1
SSE
9
0.9
SSE
9
0.9
SE
9
0.9
SE
9
0.8
SE
9
0.8
SE
9
0.7
SE
9
0.7
SE
9
0.6
SE
9
0.7
SE
9
0.8
SE
9
Wave Graph
Metric surfscale
Energy kJ
63
73
49
48
35
148
254
289
263
221
203
141
141
129
117
112
76
74
50
77
91
Wind (km/h)
15
SW
20
S
5
W
10
SW
20
SSW
10
WSW
5
NNW
5
NNW
5
NNW
0
NW
5
SE
0
SE
0
S
10
E
10
NNE
0
ENE
10
ENE
15
SSW
5
SW
15
S
5
E
Wind State
cross-on
on
cross
cross-on
on
cross-on
glassy
glassy
glassy
glassy
cross-on
glassy
glassy
cross-off
off
glassy
cross-off
on
cross-on
on
cross-off
High Tide
7:57PM0.86m
9:36AM0.88m
9:24PM0.82m
12:20PM0.94m
11:22PM0.85m
1:08PM1.05m
00:30AM0.94m
1:40PM1.15m
1:11AM1.04m
2:08PM1.23m
1:44AM1.15m
2:34PM1.29m
2:15AM1.25m
Low Tide
1:02PM0.68m
3:44AM0.55m
5:19PM0.67m
5:20AM0.46m
6:27PM0.61m
6:19AM0.36m
7:11PM0.53m
7:04AM0.25m
7:46PM0.46m
7:42AM0.16m
8:17PM0.41m
8:17AM0.08m
8:45PM0.37m
clear
part cloud
light rain
light rain
light rain
mod rain
heavy rain
heavy rain
light rain
clear
clear
part cloud
cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:48
6:48
6:48
6:48
6:47
6:47
6:46
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:39
5:39
5:39
5:40
5:40
5:42
5:42
 mm
5
2
4
10
17
15
3
Temp °C
24
23
19
20
19
18
17
18
18
21
21
19
19
19
18
22
22
20
21
21
19
Feels °C
22
22
20
21
18
19
19
20
19
22
22
21
20
19
18
23
23
21
23
21
21
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
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Information about the Barra do Una Surf forecast

The above surf forecast table for Barra do Una provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Barra do Una can be found by selecting the local surf guide option on the grey menu. Our Barra do Una surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Barra do Una) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Barra do Una may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Barra do Una is 13 km (8 miles) from the city of Peruibe. If you plan a holiday in São Paulo, look for hotels and other accommodation in Peruibe. Peruibe has rooms for a wide range of budgets as well as car hire and transport links.

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