Barra do Una Surf Break

Lat Long: 24.43° S 47.04° W

Barra do Una Surf Forecast and Surf Report

Issued: 8 pm 16 Jul 2026 (local time)

Forecast update in  hr  min

Today's Barra do Una sea temperature is
19.0° C
0.3° 

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 17 Jul 2026:

  • Best quality surf: Friday 17 Jul, 6AM (local time) - 3.5ft (1.0m), 11s period, ESE swell with glassy winds.
  • Most powerful swell: Friday 17 Jul, 6AM (local time) - 3.5ft (1.0m), 11s period, ESE swell with 234 kJ wave energy.
  • Next surfable swell (1★+): Friday 17 Jul, 3AM (local time) - 2.5ft (0.7m), 11s period with SE 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 Friday (Jul 17) at 3AM. The primary swell is predicted to be 0.7m and 11s period with a secondary swell of 0.7m and 7s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Barra do Una in the next 16 days are 1.0m 11s and forecast to arrive on Friday (Jul 17) at 6AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 5s period and expected on Sunday (Jul 19) at 9PM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+) 3AM (Fri 17th Jul)2.5ft (0.7m) 11s
Best Surf 6AM (Fri 17th Jul)3.5ft (1.0m) 11s
Most Powerful 6AM (Fri 17th Jul)3.5ft (1.0m) 11s

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


Short Range Forecast

Mostly dry. Warm (max 30°C on Sun afternoon, min 17°C on Thu night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Warm (max 31°C on Mon afternoon, min 18°C on Tue night). Wind will be generally light.

Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
2
1
1
1
1
1
1
1
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)
0.7
SE
11
1.1
ESE
9
0.6
SE
10
0.5
SE
10
0.8
ESE
8
0.8
ESE
8
0.8
E
8
0.8
ESE
8
0.9
ESE
8
0.6
ESE
8
0.8
ESE
8
0.8
ESE
8
0.6
ESE
8
0.7
E
8
0.7
ESE
8
0.6
E
8
0.5
E
8
0.5
E
8
0.5
E
8
Wave Graph
Metric surfscale
Energy kJ
114
199
84
54
87
96
80
90
118
53
87
87
50
61
70
48
33
33
32
Wind (km/h)
10
N
5
NNW
10
ENE
15
N
10
N
10
NNE
10
N
10
N
10
NE
10
NNW
15
N
5
NNE
10
NW
10
NNW
5
WSW
15
WSW
20
SW
15
S
5
WNW
Wind State
off
glassy
cross-off
cross-off
cross-off
off
cross-off
off
off
cross-off
off
off
cross-off
cross-off
glassy
cross-on
cross-on
cross-on
glassy
High Tide
4:01AM1.30m
4:54PM1.18m
4:37AM1.29m
5:24PM1.11m
5:15AM1.24m
5:54PM1.05m
5:57AM1.15m
6:26PM0.99m
6:45AM1.04m
7:04PM0.93m
7:50AM0.93m
7:57PM0.86m
Low Tide
10:10PM0.56m
10:32AM0.12m
10:07PM0.54m
10:51AM0.22m
10:22PM0.50m
11:11AM0.32m
10:50PM0.48m
11:35AM0.44m
11:28PM0.49m
12:05PM0.56m
00:19AM0.53m
1:02PM0.68m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:50
6:50
6:50
6:50
6:48
6:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:37
5:37
5:37
5:38
5:38
5:39
 mm
Temp °C
18
25
26
22
28
29
23
29
30
24
30
31
25
29
30
25
21
21
19
Feels °C
17
24
24
19
27
28
21
27
28
22
28
31
23
29
30
24
21
21
20
  • 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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