Surf Forecasts:
Barra do Una surf forecast from 12 Jul 2026:
- Best quality surf: Tuesday 14 Jul, 6PM (local time) - 5ft (1.6m), 11s period, SE swell with cross-offshore winds.
- Most powerful swell: Monday 13 Jul, 6PM (local time) - 6ft (1.9m), 10s period, SSE swell with 720 kJ wave energy.
- Next surfable swell (1★+): Sunday 12 Jul, 12AM (local time) - 3ft (0.9m), 13s period with SE swell.
Best Forecast Surf Conditions for Barra do Una this week:
The surf forecast for Barra do Una over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Jul 12) at 12AM. The primary swell is predicted to be 0.9m and 13s period with a secondary swell of 0.3m and 3s. Another secondary swell of 0.2m and 6s is also forecast. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Barra do Una in the next 16 days are 1.9m 10s and forecast to arrive on Monday (Jul 13) at 6PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 5s period and expected on Thursday (Jul 16) at 12AM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12AM (Sun 12th Jul) | 3ft (0.9m) 13s |
| Best Surf | 6PM (Tue 14th Jul) | 5ft (1.6m) 11s |
| Most Powerful | 6PM (Mon 13th Jul) | 6ft (1.9m) 10s |
Table - best surf conditions forecast for Barra do Una over the next 16 days.
Short Range ForecastLight rain (total 5mm), mostly falling on Sat night. Warm (max 23°C on Sat afternoon, min 15°C on Mon night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 25°C on Fri morning, min 15°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Sat 11 | Sunday 12 | Monday 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | Friday 17 | |||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | SE 13 | SE 13 | SE 12 | SE 12 | SSE 8 | S 9 | SSE 9 | SSE 10 | SSE 10 | SSE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 12 | SE 12 | SE 12 | ESE 12 | ESE 12 | ESE 11 | ESE 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 330 | 277 | 210 | 148 | 299 | 686 | 586 | 428 | 462 | 533 | 683 | 515 | 453 | 534 | 657 | 678 | 627 | 480 | 359 | 265 | 190 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | glassy | cross-on | on | on | on | on | on | cross-on | cross-on | off | glassy | cross-off | glassy | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 00:54AM0.99m | 1:56PM1.32m | 1:37AM1.06m | 2:39PM1.36m | 2:15AM1.14m | 3:17PM1.36m | 2:50AM1.21m | 3:52PM1.32m | 3:26AM1.27m | 4:24PM1.25m | 4:01AM1.30m | 4:54PM1.18m | 4:37AM1.29m | ||||||||
Low Tide | 7:58PM0.40m | 7:44AM0.17m | 8:44PM0.41m | 8:26AM0.08m | 9:23PM0.44m | 9:04AM0.03m | 9:52PM0.50m | 9:38AM0.02m | 10:10PM0.54m | 10:08AM0.05m | 10:10PM0.56m | 10:32AM0.12m | 10:07PM0.54m | 10:51AM0.22m | |||||||
 |  |  | | |  | |  | | |  | | | | | | | | | | | |
 | — | — | 6:52 | — | — | 6:50 | — | — | 6:50 | — | — | 6:50 | — | — | 6:50 | — | — | 6:50 | — | — | 6:50 |
 | 5:35 | — | — | 5:35 | — | — | 5:36 | — | — | 5:36 | — | — | 5:36 | — | — | 5:37 | — | — | 5:37 | — | 5:37 |
mm | — | 1 | — | — | 1 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 23 | 19 | 21 | 20 | 18 | 17 | 17 | 16 | 16 | 17 | 17 | 18 | 18 | 16 | 18 | 19 | 17 | 25 | 24 | 21 | 28 |
Feels °C | 23 | 19 | 21 | 19 | 18 | 15 | 15 | 14 | 15 | 17 | 16 | 17 | 17 | 15 | 18 | 18 | 16 | 24 | 23 | 18 | 27 |
Swell 1 Height (m) Direction Period (s) | SE 13 | SE 13 | SE 12 | SE 12 | SSE 8 | SSE 9 | SSE 9 | SSE 10 | SSE 10 | SSE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 12 | SE 12 | SE 12 | ESE 12 | ESE 12 | ESE 11 | ESE 10 |
| kJ | 330 | 277 | 210 | 148 | 299 | 383 | 351 | 428 | 462 | 533 | 683 | 515 | 453 | 534 | 657 | 678 | 627 | 480 | 359 | 265 | 190 |
Swell 2 Height (m) Direction Period (s) | SSW 7 | E 3 | E 4 | S 9 | SE 12 | SE 11 | S 15 | S 14 | — | — | S 12 | S 11 | S 10 | S 10 | ENE 6 | S 13 | E 6 | E 7 | E 8 | S 17 | S 15 |
| kJ | 4 | 2 | 1 | 43 | 50 | 43 | 4 | 15 | — | — | 3 | 10 | 8 | 7 | 56 | 3 | 79 | 131 | 114 | 5 | 4 |
Swell 3 Height (m) Direction Period (s) | S 17 | S 13 | S 9 | SSE 19 | SSE 18 | SSE 16 | — | — | — | — | — | — | — | — | S 13 | — | — | S 13 | S 18 | S 12 | S 11 |
| kJ | 6 | 3 | 7 | 37 | 31 | 25 | — | — | — | — | — | — | — | — | 3 | — | — | 3 | 6 | 3 | 2 |
Wind waves Height (m) Direction Period (s) | — | S 6 | SSW 6 | S 4 | — | S 9 | SSE 9 | — | — | — | — | ENE 4 | NE 4 | E 5 | — | — | — | — | — | — | — |
| kJ | — | 3 | 6 | 9 | — | 686 | 586 | — | — | — | — | 24 | 15 | 67 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 22 | 109 | 91 | 188 | 232 | 188 | 2 | 152 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in São Paulo | |||||||||||||||||||||
Best forecast wave conditions in Brazil | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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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 16 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.
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