Surf Break

Lat Long: 24.43° S 47.04° W

Barra do Una Surf Forecast and Surf Report

Issued: 8 pm 13 Oct 2026 (local time)

Forecast update in  hr  min

Today's Barra do Una sea temperature is
22.4°C
1.3° 

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 14 Oct 2026:

  • Best quality surf: Wednesday 14 Oct, 6AM (local time) - 2ft (0.6m), 10s period, S swell with cross-offshore winds.
  • Most powerful swell: Sunday 18 Oct, 6PM (local time) - 5ft (1.5m), 11s period, S swell with 498 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 14 Oct, 6AM (local time) - 2ft (0.6m), 10s period with S 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 (Oct 14) at 6AM. The primary swell is predicted to be 0.6m and 10s period with a secondary swell of 0.4m and 5s. 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 1.5m 11s and forecast to arrive on Sunday (Oct 18) at 6PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 4s period and expected on Thursday (Oct 15) at 3AM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Wed 14th Oct)2ft (0.6m) 10s
Best Surf 6AM (Wed 14th Oct)2ft (0.6m) 10s
Most Powerful 6PM (Sun 18th Oct)5ft (1.5m) 11s

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


Short Range Forecast

Heavy rain (total 42mm), heaviest during Tue night. Warm (max 24°C on Wed morning, min 19°C on Fri afternoon). Wind will be generally light.

Days 5-7 Weather Summary

Light rain (total 2mm), mostly falling on Sun night. Warm (max 22°C on Sat morning, min 17°C on Sun night). Wind will be generally light.

Wednesday
14
Thursday
15
Friday
16
Saturday
17
Sunday
18
Monday
19
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
1
0
1
0
0
0
0
0
0
0
0
1
0
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)
0.6
S
10
0.6
S
10
0.6
S
9
0.5
S
9
0.5
S
8
0.4
SSE
8
0.4
SSE
8
0.4
SSE
8
0.5
SE
8
0.9
SSE
9
0.8
SE
9
0.8
SE
9
0.7
S
8
0.7
S
8
0.9
S
8
1.4
SSE
11
1.4
SSE
10
1.4
SSE
10
1.3
SSE
9
Wave Graph
Metric surfscale
Energy kJ
71
68
61
39
34
21
19
22
29
132
104
93
68
66
113
436
396
373
272
Wind (km/h)
5
NNW
5
SW
10
ESE
15
NNE
10
WSW
20
SSW
5
S
10
SW
15
SSW
10
SSW
5
SW
10
SSE
5
NE
10
S
10
ESE
10
S
15
SW
20
SSW
15
SSE
Wind State
cross-off
glassy
cross
off
cross-on
on
glassy
cross-on
on
on
on
cross-on
glassy
on
cross
cross-on
on
on
cross-on
High Tide
4:00AM1.28m
3:46PM1.15m
4:34AM1.17m
4:13PM1.08m
5:14AM1.05m
4:46PM0.99m
6:08AM0.94m
5:38PM0.90m
7:33AM0.86m
12:58PM0.84m
7:11PM0.83m
12:19PM0.92m
9:21PM0.86m
Low Tide
9:08PM0.11m
9:25AM0.41m
9:32PM0.15m
9:42AM0.50m
9:57PM0.23m
9:59AM0.59m
10:25PM0.35m
10:14AM0.69m
11:01PM0.48m
10:24AM0.79m
4:13PM0.75m
4:05AM0.48m
5:07PM0.63m
rain showers
cloud
thunderstorm
rain showers
part cloud
light rain
mod rain
light rain
light rain
part cloud
part cloud
part cloud
part cloud
part cloud
clear
rain showers
rain showers
clear
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
5:35
—
—
5:35
—
—
5:33
—
—
5:33
—
—
5:31
—
—
5:31
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:12
—
6:12
—
—
6:13
—
—
6:13
—
—
6:14
—
—
6:14
—
—
6:15
—
 mm
9
—
4
8
—
3
9
4
5
—
—
—
—
—
—
1
1
—
3
Temp °C
22
24
22
21
23
21
21
20
20
19
22
21
20
20
21
19
20
19
18
Feels °C
23
26
24
23
23
21
24
22
20
20
22
21
21
20
21
19
17
16
16
  • 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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