Surf Break

Lat Long: 24.43° S 47.04° W

Barra do Una Surf Forecast and Surf Report

Issued: 2 pm 23 Oct 2026 (local time)

Forecast update in  hr  min

Today's Barra do Una sea temperature is
22.3°C
0.6° 

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 24 Oct 2026:

  • Best quality surf: Tuesday 27 Oct, 3AM (local time) - 4.5ft (1.3m), 9s period, SSE swell with glassy winds.
  • Most powerful swell: Monday 26 Oct, 6PM (local time) - 7ft (2.1m), 9s period, S swell with 686 kJ wave energy.
  • Next surfable swell (1★+): Saturday 24 Oct, 12AM (local time) - 2.5ft (0.7m), 10s 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 Saturday (Oct 24) at 12AM. The primary swell is predicted to be 0.7m and 10s period with a secondary swell of 0.6m and 6s. Another secondary swell of 0.8m and 6s is also forecast. 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 2.1m 9s and forecast to arrive on Monday (Oct 26) at 6PM. 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 Wednesday (Oct 28) at 3AM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+)12AM (Sat 24th Oct)2.5ft (0.7m) 10s
Best Surf 3AM (Tue 27th Oct)4.5ft (1.3m) 9s
Most Powerful 6PM (Mon 26th Oct)7ft (2.1m) 9s

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


Short Range Forecast

Heavy rain (total 64mm), heaviest during Sat night. Warm (max 23°C on Fri afternoon, min 19°C on Sun night). Wind will be generally light.

Days 5-7 Weather Summary

Some drizzle, heaviest during Thu morning. Warm (max 22°C on Wed morning, min 18°C on Mon night). Wind will be generally light.

Fri
23
Saturday
24
Sunday
25
Monday
26
Tuesday
27
Wednesday
28
Thursday
29
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
1
1
1
0
0
0
0
0
0
1
0
0
1
0
1
1
1
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)
0.8
SSE
11
0.7
SE
10
0.6
SSE
10
0.5
SE
9
0.5
SE
9
0.4
SE
9
0.4
SE
9
1.5
S
7
1.4
S
7
1.6
S
8
1.4
SSE
9
1.1
SSE
8
1.2
SSE
8
1.1
SSE
8
0.7
SE
9
0.6
SE
8
0.6
SE
8
0.6
SE
8
0.6
SE
8
0.6
SE
7
Wave Graph
Metric surfscale
Energy kJ
146
100
63
42
41
22
19
211
198
341
326
176
190
177
73
55
41
40
39
42
Wind (km/h)
10
ESE
10
NNE
5
NW
10
NE
10
W
5
NW
15
S
20
SSW
25
SSW
20
S
10
S
10
ESE
15
ESE
15
ENE
10
WSW
10
E
10
NE
5
E
15
ESE
20
E
Wind State
cross
off
glassy
cross-off
cross-on
glassy
on
on
on
on
cross-on
cross
cross
cross-off
cross-on
cross-off
off
cross-off
cross
cross-off
High Tide
1:05AM1.38m
1:34PM1.34m
1:42AM1.46m
2:04PM1.33m
2:20AM1.49m
2:35PM1.29m
3:00AM1.47m
3:05PM1.22m
3:41AM1.40m
3:37PM1.14m
4:25AM1.29m
4:09PM1.06m
Low Tide
7:25PM0.22m
7:44AM0.03m
7:54PM0.17m
8:18AM0.07m
8:19PM0.13m
8:51AM0.15m
8:40PM0.12m
9:20AM0.29m
8:56PM0.13m
9:38AM0.44m
9:11PM0.15m
9:37AM0.58m
9:31PM0.20m
thunderstorm
part cloud
light rain
light rain
rain showers
mod rain
heavy rain
mod rain
rain showers
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
light rain
light rain
heavy rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
5:26
—
—
5:26
—
—
5:24
—
—
5:24
—
—
5:24
—
—
5:22
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:16
—
—
6:16
—
—
6:17
—
—
6:17
—
—
6:19
—
—
6:20
—
—
6:20
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 mm
1
—
1
2
29
9
13
8
1
—
—
—
—
—
—
—
—
1
4
39
Temp °C
23
22
23
22
22
22
20
20
20
19
19
21
21
20
22
22
20
22
21
21
Feels °C
25
24
26
24
25
25
20
20
16
16
18
20
20
19
23
23
20
23
21
22
  • 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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