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Surf Forecasts:

Barra do Una surfForecast / São Paulo / Brazil

information circle16 Day Weather and Surf, issued 2 am Tuesday 14 Apr 2026 -03
Forecast update in hr  min  s Forecast update imminent
Barra do Una surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Barra do Una sea temperature is
25.3° C
 (Which is normal for this time of year)

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 Tuesday (Apr 14) at 9AM. The primary swell is predicted to be 0.4m and 14s period with a secondary swell of 0.7m and 6s. 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 0.7m 12s and forecast to arrive on Monday (Apr 20) at 12PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 6s period and expected on Tuesday (Apr 14) at 9AM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+) 9AM (Tue 14th Apr)1.5ft (0.4m) 14s
Best Surf 3AM (Mon 20th Apr)2ft (0.6m) 13s
Most Powerful12PM (Mon 20th Apr)2.5ft (0.7m) 12s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table

Short Range Forecast Mostly dry. Warm (max 25°C on Tue morning, min 20°C on Tue night). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 3mm), mostly falling on Sat afternoon. Warm (max 27°C on Sat morning, min 21°C on Sat night). Wind will be generally light.

Tuesday
14
Wednesday
15
Thursday
16
Friday
17
Saturday
18
Sunday
19
Monday
20
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
1
0
1
1
0
1
1
0
1
1
1
1
1
0
1
1
0
1
2
1
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.4
SSE
0.3
SSE
0.7
ESE
0.7
ESE
0.3
SSE
0.4
SE
0.7
SE
0.9
SE
0.8
ESE
0.8
ESE
0.7
ESE
0.7
ESE
0.7
ESE
0.6
ESE
0.6
ESE
0.6
ESE
0.6
ESE
0.5
S
0.6
S
0.6
SE
0.7
SE
Period(s) (?)1413661514887777777101014121212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)68344335446965847068474848373661659395112132
Wind
(km/h)
15
ENE
10
ESE
10
NE
5
NE
10
ESE
10
NNE
0
N
10
ESE
10
N
5
W
10
E
10
N
5
SW
15
SSW
5
WNW
5
WNW
10
SE
10
NNE
5
W
10
ESE
10
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		crossoffglasscrossoffglasscrosscross-
off		glasscross-
off		offglassonglassglasscrossoffglasscrosscross-
off
High Tide
/ height (m)
Low Tide
/ height (m)
Tuesday
14
Wednesday
15
Thursday
16
Friday
17
Saturday
18
Sunday
19
Monday
20
Sunrise6:20--6:22--6:22--6:22--6:22--6:24--6:24--
Sunset-5:53--5:52--5:52--5:52--5:51--5:50--5:49-
clear
clear
part cloud
clear
clear
clear
part cloud
clear
clear
clear
clear
part cloud
clear
thunderstorm
thunderstorm
clear
thunderstorm
clear
clear
clear
clear
Rain (mm)
-------------11-1----
Temp. °C252522242422242522262623272623262523252523
Feels °C (?)262623262524262723282724282727292825282725
  • 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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View detailed surf forecast for Barra do Una at:
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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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