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Surf Forecasts:
Barra do Una surfForecast / São Paulo / Brazil
48hr Weather and Surf, issued 2 pm Thursday 21 May 2026 -03Forecast 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
22.9° C
(Which is slightly warmer than usual)How big are the waves at Barra do Una today?
The current surf forecast for Barra do Una at 7PM is: 2.0m 14s primary swell from a South-southeast direction and 0.2m 8s secondary swell from a East direction (forecast issued at 02:00pm May 21). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | - | - |
| Afternoon (21 May) | 6ft (1.9m) | 15s |
| Evening (21 May) | 7ft (2.1m) | 14s |
Table - waves today at Barra do Una. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 36mm), heaviest during Sat morning. Very mild (max 19°C on Fri afternoon, min 17°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Thu 21 | Friday 22 | Saturday 23 | Sun 24 | |||||||||||||||||||||
12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SSE 16 | SSE 15 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 16 | SSE 15 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSE 13 | SSE 13 | S 12 | S 12 | SSE 12 | SSE 12 | SSE 12 | |
1498 | 1602 | 1637 | 1748 | 1483 | 1266 | 1001 | 1479 | 1223 | 1158 | 980 | 1002 | 988 | 862 | 825 | 673 | 653 | 633 | 543 | 377 | 353 | 189 | 186 | 186 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | |
High Tide | 6:32PM0.98m | 00:58AM0.87m | 5:50AM0.99m | 12:45PM0.43m | 7:37PM0.90m | 1:06AM0.87m | 6:57AM0.95m | 8:58PM0.88m | 00:47AM0.85m | 8:23AM0.94m | ||||||||||||||
Low Tide | 10:37AM0.32m | 9:59PM0.79m | 2:27AM0.85m | 11:42AM0.43m | 1:56PM0.43m | 10:27PM0.81m | 3:39AM0.82m | 3:35PM0.43m | 11:23PM0.85m | 4:30AM0.73m | ||||||||||||||
 |  |  | | |  | | | | | | | | | |  | | | | | |  | |  | |
 | — | — | — | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:39 | — |
 | — | 5:30 | — | — | — | — | — | — | — | 5:29 | — | — | — | — | — | — | — | 5:29 | — | — | — | — | — | 5:29 |
1 | — | 1 | 1 | 1 | — | — | — | — | — | — | — | — | 1 | 1 | 9 | 9 | 6 | 2 | — | — | 1 | — | 2 | |
Temp °C | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 18 | 18 | 18 | 18 | 17 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 17 |
18 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 19 | 17 | 18 | 18 | 19 | 17 | 18 | 17 | 16 | 16 | 17 | 18 | 18 | 17 | 18 | |
Swell 1 Height (m) Direction Period (s) | SSE 16 | SSE 15 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 16 | SSE 15 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSE 13 | SSE 13 | S 12 | S 12 | SSE 12 | SSE 12 | SSE 12 |
 kJ | 1498 | 1602 | 1637 | 1748 | 1483 | 1266 | 1001 | 1479 | 1223 | 1158 | 980 | 1002 | 988 | 862 | 825 | 673 | 653 | 633 | 543 | 377 | 353 | 189 | 186 | 186 |
Swell 2 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | SE 18 | SSE 17 | E 8 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | E 9 | E 4 | E 4 | E 9 | ESE 6 | SE 6 | ESE 6 | SSE 8 | SSE 7 | SE 7 |
| kJ | 5 | 5 | 5 | 5 | 5 | 80 | 325 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 13 | 10 | 1 | 44 | 31 | 35 | 58 | 70 | 54 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | E 8 | E 8 | — | — | — | — | — | — | — | — | E 8 | E 8 | E 8 | — | — | — | ESE 6 | E 7 | E 7 |
| kJ | — | — | — | — | — | 5 | 5 | — | — | — | — | — | — | — | — | 6 | 1 | 5 | — | — | — | 33 | 32 | 22 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | E 4 | E 4 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 6 | 10 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 232 | 133 | 137 | 88 | 86 | 32 | 12 | 12 | 7 | 7 | 0 | 0 | 0 | 0 | 2 | 12 | 7 | 7 | 2 | 2 | 2 | 2 | 2 | 2 |
Best forecast wave conditions in São Paulo | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
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