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Surf Forecasts:
Barra do Una surfForecast / São Paulo / Brazil
48hr Weather and Surf, issued 8 pm Friday 20 Mar 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
26.9° 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 4AM is: 0.6m 9s primary swell from a Southeast direction and 0.4m 11s secondary swell from a Southeast direction (forecast issued at 08:00pm March 20). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Mar) | 2.5ft (0.7m) | 9s |
| Afternoon (21 Mar) | 2ft (0.6m) | 9s |
| Evening (21 Mar) | 2ft (0.6m) | 9s |
Table - waves today at Barra do Una. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Fri 20 | Saturday 21 | Sunday 22 | Monday 23 | |||||||||||||||||||||
| 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 9 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 79 | 79 | 95 | 49 | 65 | 83 | 83 | 65 | 50 | 49 | 47 | 46 | 45 | 45 | 46 | 58 | 59 | 60 | 47 | 45 | 43 | 42 | 41 | 41 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | off | off | glass | glass | cross- on | cross- off | cross- off | cross- off | off | glass | glass | glass | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 3:34PM 1.51 | 3:55AM 1.29 | 4:12PM 1.44 | 4:23AM 1.19 | 4:52PM 1.32 | 4:51AM 1.07 | ||||||||||||||||||
Low Tide / height (m) | 9:51PM 0.14 | 9:32AM 0.21 | 10:02PM 0.29 | 9:42AM 0.21 | 10:06PM 0.46 | 9:58AM 0.24 | ||||||||||||||||||
Fri 20 | Saturday 21 | Sunday 22 | Monday 23 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:11 | - | - | - | - | - | - | - | 6:11 | - | - | - | - | - | - | - | 6:11 | - | - |
| Sunset | 6:19 | - | - | - | - | - | - | - | 6:17 | - | - | - | - | - | - | - | 6:16 | - | - | - | - | - | - | - |
 |  |  | | |  | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 25 | 25 | 24 | 23 | 22 | 24 | 26 | 26 | 25 | 24 | 23 | 22 | 22 | 25 | 27 | 28 | 25 | 24 | 24 | 23 | 24 | 24 | 26 | 26 |
| Feels °C (?) | 27 | 27 | 26 | 26 | 25 | 28 | 29 | 28 | 26 | 25 | 25 | 25 | 25 | 29 | 29 | 30 | 26 | 25 | 27 | 26 | 27 | 26 | 28 | 27 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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