Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Barra do Una surfForecast / São Paulo / Brazil
48hr Weather and Surf, issued 8 pm Wednesday 31 Dec 2025 -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
27.4° C
(Which is 1.9°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 12AM is: 1.0m 13s primary swell from a South-southeast direction and 0.5m 5s secondary swell from a Southeast direction, 0.4m 3s secondary swell from a South-southwest direction (forecast issued at 08:00pm December 31). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 Jan) | 2.5ft (0.8m) | 12s |
| Afternoon (01 Jan) | 2.5ft (0.7m) | 12s |
| Evening (01 Jan) | 2.5ft (0.7m) | 11s |
Table - waves today at Barra do Una. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wed 31 | Thursday 01 | Friday 02 | Saturday 03 | |||||||||||||||||||||
| 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) (?) | 14 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 14 | 13 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 507 | 458 | 367 | 277 | 273 | 205 | 195 | 147 | 140 | 123 | 88 | 86 | 56 | 54 | 54 | 53 | 51 | 33 | 32 | 31 | 31 | 36 | 57 | 155 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | cross- on | cross- on | cross- off | cross | cross- off | glass | off | cross | off | off | cross | cross- on | glass | cross- on | cross- off | cross- on | on | cross- off | cross- on | glass | glass | cross- on | cross |
High Tide / height (m) | ||||||||||||||||||||||||
Low Tide / height (m) | ||||||||||||||||||||||||
Wed 31 | Thursday 01 | Friday 02 | Saturday 03 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 5:22 | - | - | - | - | - | - | - | 5:22 | - | - | - | - | - | - | - | 5:24 | - | - | - |
| Sunset | 6:59 | - | - | - | - | - | - | - | 7:00 | - | - | - | - | - | - | - | 7:00 | - | - | - | - | - | - | - |
 |  | |  |  |  | | | |  | |  |  | | | | |  |  | | | | | | |
Rain (mm) | 7 | 5 | 1 | - | - | - | - | 4 | 3 | 6 | 1 | - | - | - | - | 2 | 17 | 16 | 1 | - | - | - | - | - |
| Temp. °C | 25 | 24 | 24 | 24 | 25 | 26 | 32 | 27 | 26 | 24 | 24 | 25 | 24 | 27 | 29 | 26 | 25 | 23 | 23 | 23 | 23 | 26 | 29 | 30 |
| Feels °C (?) | 30 | 26 | 26 | 26 | 28 | 29 | 35 | 30 | 29 | 27 | 28 | 29 | 27 | 31 | 32 | 30 | 28 | 24 | 26 | 26 | 26 | 30 | 32 | 32 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Latest Updates
Nazare Big Wave Challenge Gets Yellow Alert, Could Run Saturday in Giant Waves
70-foot plus waves predicted for Portuguese big wave tow surfing competition.
Buy Less, Surf More This Black Friday
Surf-forecast is providing a free, all-access pass to our premium features and 12-day forecasts all weekend.
Quiksilver Teams Up With PrimaLoft® For World’s First Thermal Layering System for a Wetsuit.
Previously used in our snow jackets for mountain conditions, PrimaLoft® technology is making its debut in the surf industry. The aim is to bring mountain-grade warmth to the waves.
Read more
Discover more articles and updates in the Greenroom.
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Barra do Una surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest