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Surf Forecasts:
Barra do Una surfForecast / São Paulo / Brazil
48hr Weather and Surf, issued 2 am Sunday 10 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
24.3° C
(Which is 1.3°C warmer than normal for this time of year)How big are the waves at Barra do Una today?
The current surf forecast for Barra do Una at 11AM is: 1.5m 7s primary swell from a South direction and 0.6m 9s secondary swell from a East direction, 0.3m 12s secondary swell from a South-southeast direction (forecast issued at 02:00am May 10). The wind direction is predicted to be onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 May) | 4.5ft (1.3m) | 7s |
| Afternoon (10 May) | 5ft (1.5m) | 7s |
| Evening (10 May) | 4ft (1.2m) | 6s |
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 25mm), heaviest during Sun afternoon. Warm (max 20°C on Tue afternoon, min 14°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 10 | Monday 11 | Tuesday 12 | ||||||||||||||||||||||
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 | 12 PM | 3 PM | 6 PM | 9 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
SSW 6 | S 6 | S 7 | S 7 | S 7 | S 7 | S 7 | SSW 6 | SSE 16 | SSE 16 | SSE 16 | SSE 15 | SSE 15 | SSE 15 | SSE 15 | SSE 15 | SSE 15 | SSE 15 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | |
139 | 139 | 184 | 177 | 274 | 230 | 212 | 119 | 214 | 778 | 991 | 953 | 1021 | 1021 | 1232 | 1418 | 1328 | 1137 | 1106 | 1091 | 1075 | 1060 | 1060 | 1060 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | glassy | cross-off | off | glassy | glassy | glassy | cross | cross-off | cross-off | off | |
High Tide | 8:52AM0.95m | 10:34PM1.06m | 10:18AM1.03m | 11:34PM1.15m | 11:25AM1.14m | |||||||||||||||||||
Low Tide | 4:33AM0.61m | 4:40PM0.33m | 5:25AM0.50m | 5:35PM0.23m | 6:09AM0.40m | 6:23PM0.16m | ||||||||||||||||||
 | | |  | |  |  |  |  | | |  | | | | | | | | | | | | | |
 | — | — | 6:33 | — | — | — | — | — | — | — | 6:33 | — | — | — | — | — | — | — | 6:33 | — | — | — | — | — |
 | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:34 | — | — | — | — | — | — | — | 5:34 | — | — |
1 | 1 | 2 | 1 | 5 | 9 | 6 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 17 | 16 | 16 | 17 | 16 | 16 | 16 | 15 | 15 | 14 | 14 | 15 | 18 | 18 | 17 | 17 | 16 | 15 | 15 | 17 | 19 | 20 | 18 | 18 |
14 | 14 | 15 | 17 | 13 | 14 | 16 | 14 | 14 | 13 | 12 | 14 | 17 | 17 | 17 | 17 | 16 | 15 | 15 | 18 | 19 | 18 | 16 | 17 | |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | S 7 | S 6 | S 6 | SSE 16 | SSE 16 | SSE 15 | SSE 15 | SSE 15 | SSE 15 | SSE 15 | SSE 15 | SSE 15 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 |
 kJ | 45 | 49 | 49 | 51 | 56 | 39 | 131 | 61 | 31 | 778 | 991 | 953 | 1021 | 1021 | 1232 | 1418 | 1328 | 1137 | 1106 | 1091 | 1075 | 1060 | 1060 | 1060 |
Swell 2 Height (m) Direction Period (s) | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | E 9 | E 8 | S 11 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 |
| kJ | 48 | 47 | 29 | 29 | 29 | 29 | 38 | 37 | 88 | 24 | 24 | 24 | 24 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | S 20 | SSE 12 | SSE 12 | SSE 16 | E 8 | — | — | — | — | — | — | — | — | — | — | SE 13 | SE 13 | SE 13 | SE 16 |
| kJ | — | — | — | — | — | 8 | 27 | 46 | 214 | 50 | — | — | — | — | — | — | — | — | — | — | 7 | 7 | 7 | 10 |
Wind waves Height (m) Direction Period (s) | SSW 6 | S 6 | S 7 | S 7 | S 7 | S 7 | S 7 | SSW 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 139 | 139 | 184 | 177 | 274 | 230 | 212 | 119 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 188 | 171 | 32 | 32 | 105 | 74 | 12 | 2 | 2 | 2 | 2 | 2 | 22 | 177 | 0 | 0 | 0 | 0 | 0 | 0 | 74 | 0 | 0 | 0 |
Best forecast wave conditions in São Paulo | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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