- Forecast
- Maps
- Live
- Weather State
- Spot Information
Barra do Una surfForecast / São Paulo / Brazil
12 Day Weather and Surf, issued 2 pm Tuesday 15 Jul 2025 -03
Best Forecast Surf Conditions for Barra do Una this week:
The surf forecast for Barra do Una over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Jul 18) at 9PM. The primary swell is predicted to be 0.5m and 7s period with a secondary swell of 0.7m and 6s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Barra do Una in the next 12 days are 1.0m 6s and forecast to arrive on Friday (Jul 18) at 6PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 5s period and expected on Tuesday (Jul 22) at 9PM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Fri 18th Jul) | 2.5ft (0.7m) 6s |
| Best Surf | 9PM (Fri 18th Jul) | 2.5ft (0.7m) 6s |
| Most Powerful | 6PM (Fri 18th Jul) | 3.5ft (1.0m) 6s |
Table - best surf conditions forecast for Barra do Una over the next 12 days.
Tue 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | Sun 27 | ||||||||||||||||||||||||
| PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |
Rating (10 max) | ||||||||||||||||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  |  |  |  |  |  | |||||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||||||||||||||
| Period(s) (?) | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 5 | 6 | 5 | 6 | 6 | 8 | 7 | 6 | 8 | 7 | 6 | 7 | 7 | 6 | 13 | 15 | 14 | 13 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 10 | 9 | 14 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||
| Energy (?) | 27 | 26 | 23 | 28 | 44 | 37 | 35 | 23 | 33 | 64 | 78 | 58 | 51 | 57 | 34 | 50 | 37 | 22 | 20 | 12 | 14 | 25 | 118 | 217 | 153 | 117 | 98 | 87 | 73 | 60 | 192 | 186 | 1276 | 489 | 488 | 525 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | off | glass | cross- off | cross- off | off | cross- off | cross- off | on | cross- on | glass | glass | cross- on | glass | glass | cross | off | cross- on | cross- on | cross- off | glass | glass | off | glass | cross- off | glass | glass | cross- off | cross- off | cross- on | cross- off | cross- off | cross- on | cross | cross- off | on |
High Tide / height (m) | 6:05PM 1.18 | 6:01AM 1.21 | 6:49PM 1.07 | 6:55AM 1.12 | 7:40PM 2:04AM 0.97 0.63 | 8:03AM 1.03 | 8:42PM 0.88 | 9:36AM 0.98 | 10:02PM 0.83 | 11:39AM 1.03 | 11:28PM 0.85 | 1:01PM 1.14 | 12:31AM 0.92 | 1:47PM 1.23 | 1:16AM 1.02 | 2:24PM 1.29 | 1:55AM 1.12 | 2:57PM 1.31 | 2:31AM 1.22 | 3:28PM 1.30 | 3:05AM 1.29 | 3:57PM 1.27 | 3:38AM 1.33 | |||||||||||||
Low Tide / height (m) | 11:20PM 0.55 | 12:18PM 0.34 | 11:42PM 0.59 | 2:12PM 0.48 | 12:19AM 2:48AM 0.62 0.63 | 4:19PM 0.55 | 4:38AM 0.56 | 5:49PM 0.55 | 5:48AM 0.45 | 6:58PM 0.52 | 6:43AM 0.33 | 7:49PM 0.49 | 7:28AM 0.21 | 8:28PM 0.48 | 8:07AM 0.12 | 8:58PM 0.48 | 8:42AM 0.06 | 9:20PM 0.49 | 9:12AM 0.03 | 9:33PM 0.49 | 9:38AM 0.04 | 9:42PM 0.47 | 10:02AM 0.08 | |||||||||||||
Tue 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | Sun 27 | ||||||||||||||||||||||||
| Sunrise | - | - | 6:50 | - | - | 6:50 | - | - | 6:50 | - | - | 6:50 | - | - | 6:50 | - | - | 6:48 | - | - | 6:48 | - | - | 6:48 | - | - | 6:48 | - | - | 6:48 | - | - | 6:47 | - | - | 6:47 |
| Sunset | 5:36 | - | - | 5:37 | - | - | 5:37 | - | - | 5:37 | - | - | 5:37 | - | - | 5:38 | - | - | 5:38 | - | - | 5:39 | - | - | 5:39 | - | - | 5:39 | - | - | 5:40 | - | - | 5:40 | - | - |
 |  | | | | | |  |  | | | | | | | |  | | | | | | | | | | | | | | | | |  |  |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 17 | 4 |
| Temp. °C | 19 | 17 | 20 | 20 | 17 | 21 | 21 | 19 | 19 | 18 | 16 | 18 | 18 | 16 | 17 | 18 | 17 | 17 | 18 | 17 | 20 | 20 | 18 | 21 | 21 | 20 | 26 | 25 | 24 | 25 | 25 | 24 | 19 | 18 | 16 | 17 |
| Feels °C (?) | 19 | 16 | 19 | 19 | 16 | 20 | 20 | 18 | 17 | 16 | 16 | 18 | 18 | 16 | 17 | 18 | 17 | 17 | 19 | 18 | 21 | 21 | 19 | 22 | 22 | 21 | 26 | 25 | 22 | 26 | 26 | 24 | 19 | 16 | 15 | 17 |
Short Range Forecast: Mostly dry. Warm (max 21°C on Thu morning, min 15°C on Tue night). Wind will be generally light. | Days 3-6 Weather Summary Mostly dry. Very mild (max 18°C on Fri afternoon, min 15°C on Fri night). Wind will be generally light. | Days 6-9 Weather Summary Mostly dry. Warm (max 26°C on Thu morning, min 16°C on Mon night). Wind will be generally light. | Long Range Forecast: Heavy rain (total 25mm), heaviest during Sat night. Warm (max 25°C on Thu afternoon, min 16°C on Sat night). Wind will be generally light. | |||||||||||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for São Paulo
Continuing clean conditions at Barra do Una (calm at Santos wx 89 km from Barra do Una). 0.4m 8s swell from the ESE with a 0.4m 8s swell from the ESE and a 0.3m 6s windswell from the SE as well as a 0.1m 15s groundswell from the SSE and a 0.1m 1s local chop from the ENE. Swells combining to make to make bigger set waves.
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.
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 12 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.
Nearest