Barra do Una Surf Break

Lat Long: 24.43° S 47.04° W

Barra do Una Surf Forecast and Surf Report

Issued: 2 am 23 Jul 2026 (local time)

Forecast update in  hr  min

Today's Barra do Una sea temperature is
20.0° C
0.9° 

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 23 Jul 2026:

  • Best quality surf: Sunday 26 Jul, 12AM (local time) - 3.5ft (1.0m), 9s period, SSE swell with offshore winds.
  • Most powerful swell: Friday 24 Jul, 6AM (local time) - 4.5ft (1.4m), 8s period, S swell with 264 kJ wave energy.
  • Next surfable swell (1★+): Saturday 25 Jul, 9AM (local time) - 3ft (0.9m), 9s period with SSE 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 Saturday (Jul 25) at 9AM. The primary swell is predicted to be 0.9m and 9s period with a secondary swell of 0.3m and 8s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Barra do Una in the next 16 days are 1.4m 8s and forecast to arrive on Friday (Jul 24) at 6AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 4s period and expected on Thursday (Jul 30) at 12AM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+) 9AM (Sat 25th Jul)3ft (0.9m) 9s
Best Surf12AM (Sun 26th Jul)3.5ft (1.0m) 9s
Most Powerful 6AM (Fri 24th Jul)4.5ft (1.4m) 8s

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


Short Range Forecast

Moderate rain (total 11mm), heaviest on Thu night. Warm (max 22°C on Thu morning, min 17°C on Fri night). Wind will be generally light.

Days 4-6 Weather Summary

Light rain (total 2mm), mostly falling on Sun night. Warm (max 26°C on Tue afternoon, min 18°C on Sun morning). Wind will be generally light.

Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
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
1
0
2
2
2
1
1
1
1
1
1
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.5
E
8
0.5
E
8
0.4
ESE
8
1
S
8
1.3
S
8
0.9
SSE
9
0.9
SSE
9
1
SSE
9
1
SSE
9
0.6
SSE
13
0.6
SSE
13
0.5
S
12
0.6
SE
8
0.4
SSE
13
0.4
SSE
12
0.4
SSE
12
0.3
SSE
12
0.3
SSE
12
0.3
S
11
0.3
S
11
0.5
E
7
Wave Graph
Metric surfscale
Energy kJ
33
34
21
138
241
126
143
154
158
139
129
70
57
59
50
45
27
28
24
22
28
Wind (km/h)
10
SW
10
S
10
SW
10
SW
15
SW
5
SW
5
WSW
5
SE
5
NNE
5
N
15
E
5
NNW
5
NNE
10
ENE
10
NNE
0
SW
10
ENE
10
SW
20
SSW
10
SSE
15
SW
Wind State
cross-on
on
cross-on
cross-on
on
cross-on
glassy
cross
off
glassy
cross-off
cross-off
glassy
cross-off
off
glassy
cross-off
cross-on
on
cross-on
on
High Tide
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
3:01PM1.33m
2:46AM1.33m
Low Tide
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
8:50AM0.03m
9:11PM0.35m
cloud
cloud
light rain
rain showers
light rain
light rain
clear
clear
clear
clear
cloud
rain showers
clear
clear
clear
part cloud
clear
clear
part cloud
part cloud
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:48
6:48
6:48
6:47
6:47
6:46
6:46
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:39
5:39
5:40
5:40
5:42
5:42
5:43
 mm
3
4
1
3
2
2
Temp °C
22
20
18
18
18
18
19
19
18
20
21
19
23
23
21
24
26
23
26
22
22
Feels °C
23
20
18
18
18
19
21
20
19
21
22
20
24
24
22
26
28
24
28
24
23
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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