Surf Forecasts:
Barre da Una surf forecast from 10 Jun 2026:
- Best quality surf: Wednesday 17 Jun, 9AM (local time) - 5ft (1.5m), 14s period, S swell with glassy winds.
- Most powerful swell: Wednesday 17 Jun, 9AM (local time) - 5ft (1.5m), 14s period, S swell with 828 kJ wave energy.
- Next surfable swell (1★+): Wednesday 10 Jun, 9PM (local time) - 4.5ft (1.3m), 8s period with S swell.
Best Forecast Surf Conditions for Barre da Una this week:
The surf forecast for Barre da Una over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Jun 10) at 9PM. The primary swell is predicted to be 1.3m and 8s period with a secondary swell of 0.9m and 8s. Another secondary swell of 0.2m and 12s is also forecast. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Barre da Una in the next 16 days are 1.5m 14s and forecast to arrive on Wednesday (Jun 17) at 9AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 7s period and expected on Thursday (Jun 11) at 9PM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Wed 10th Jun) | 4.5ft (1.3m) 8s |
| Best Surf | 9AM (Wed 17th Jun) | 5ft (1.5m) 14s |
| Most Powerful | 9AM (Wed 17th Jun) | 5ft (1.5m) 14s |
Table - best surf conditions forecast for Barre da Una over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 14mm), heaviest on Wed night. Warm (max 26°C on Fri afternoon, min 19°C on Wed night). Wind will be generally light. | Days 4-6 Weather SummaryHeavy rain (total 32mm), heaviest during Sun night. Warm (max 23°C on Sun morning, min 17°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SSE 9 | SSE 8 | S 8 | S 8 | S 8 | SSE 9 | SE 11 | SSE 10 | SE 9 | SE 9 | S 10 | S 9 | S 8 | S 8 | S 8 | S 8 | S 7 | S 12 | S 11 | S 12 | S 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 29 | 24 | 160 | 113 | 63 | 59 | 56 | 36 | 49 | 71 | 384 | 325 | 169 | 165 | 133 | 57 | 70 | 347 | 361 | 330 | 434 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-on | glassy | off | on | off | off | off | cross-off | cross-on | on | glassy | glassy | glassy | glassy | on | cross-on | glassy | glassy | glassy | glassy |
High Tide | 10:45AM0.95m | 11:47PM0.92m | 12:04PM1.04m | 00:31AM0.93m | 1:04PM1.12m | 1:08AM0.93m | 1:55PM1.18m | 1:41AM0.93m | 2:42PM1.21m | 2:14AM0.94m | 3:25PM1.19m | 2:46AM0.97m | 4:05PM1.14m | ||||||||
Low Tide | 5:43PM0.25m | 6:06AM0.31m | 6:45PM0.24m | 6:55AM0.22m | 7:42PM0.25m | 7:41AM0.14m | 8:35PM0.29m | 8:25AM0.07m | 9:23PM0.35m | 9:09AM0.03m | 10:07PM0.43m | 9:53AM0.02m | 10:47PM0.50m | ||||||||
 |  |  |  |  |  | |  |  | | | | |  |  |  | |  | | | | |
 | 6:41 | — | — | 6:41 | — | — | 6:41 | — | — | 6:43 | — | — | 6:43 | — | — | 6:43 | — | — | 6:43 | — | — |
 | — | 5:22 | — | — | 5:22 | — | — | 5:23 | — | — | 5:23 | — | — | 5:23 | — | — | 5:23 | — | — | 5:23 | — |
mm | — | — | 6 | 1 | — | — | — | 1 | 6 | — | — | — | — | 8 | 17 | 3 | 3 | 1 | 4 | 1 | — |
Temp °C | 23 | 22 | 19 | 22 | 23 | 19 | 25 | 26 | 22 | 21 | 20 | 19 | 23 | 20 | 20 | 19 | 18 | 18 | 18 | 18 | 18 |
Feels °C | 23 | 23 | 21 | 25 | 24 | 20 | 25 | 27 | 23 | 23 | 21 | 21 | 25 | 23 | 23 | 21 | 19 | 20 | 20 | 20 | 20 |
Swell 1 Height (m) Direction Period (s) | S 8 | SSW 8 | S 8 | S 8 | S 8 | SSE 9 | SSE 10 | SSE 10 | SE 9 | SE 9 | S 10 | S 9 | S 8 | S 8 | S 8 | S 8 | S 7 | S 12 | S 11 | S 12 | S 12 |
| kJ | 34 | 22 | 160 | 113 | 63 | 59 | 37 | 36 | 49 | 71 | 384 | 325 | 169 | 165 | 133 | 57 | 70 | 347 | 361 | 330 | 434 |
Swell 2 Height (m) Direction Period (s) | SSE 9 | SSE 8 | SSE 12 | SSE 10 | SSE 9 | S 7 | SE 11 | SE 9 | ESE 4 | SE 14 | SE 9 | ESE 9 | SE 9 | SE 8 | SE 11 | SE 9 | S 14 | ESE 9 | ESE 8 | S 15 | ESE 8 |
| kJ | 29 | 24 | 14 | 63 | 31 | 26 | 56 | 31 | 4 | 8 | 86 | 31 | 19 | 18 | 29 | 22 | 60 | 15 | 7 | 38 | 6 |
Swell 3 Height (m) Direction Period (s) | E 5 | E 6 | E 6 | NNE 2 | SE 10 | ESE 6 | SSW 7 | E 4 | SE 13 | S 6 | ENE 8 | SE 12 | SE 12 | SE 11 | S 12 | S 14 | SE 9 | E 7 | ESE 8 | ESE 8 | SE 10 |
| kJ | 2 | 3 | 3 | 1 | 28 | 4 | 9 | 3 | 7 | 1 | 19 | 6 | 22 | 20 | 3 | 16 | 20 | 3 | 13 | 6 | 4 |
Wind waves Height (m) Direction Period (s) | — | — | — | NE 3 | — | ENE 4 | — | — | — | S 4 | — | — | — | E 2 | — | SSE 3 | — | — | — | — | — |
| kJ | — | — | — | 2 | — | 1 | — | — | — | 7 | — | — | — | 1 | — | 7 | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 5 | 321 | 0 | 0 | 92 | 5 | 5 | 5 | 5 | 30 | 63 | 0 | 0 | 0 | 0 | 63 | 28 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in São Paulo | |||||||||||||||||||||
Best forecast wave conditions in Brazil | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Barre da 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 Barre da Una Surf forecast
The above surf forecast table for Barre da Una provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Barre da Una can be found by selecting the local surf guide option on the grey menu. Our Barre da 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 (Barre da 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 Barre da 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.
Are you planning a holiday in São Paulo? If you are looking for accommodation near Barre da Una, camping, hotels and holiday cottages in São Paulo, consider staying in Biritiba Mirim which is 26 km (16 miles) away. Other places in and around São Paulo where you can find information about places to rent, and car hire include Bertioga which is 27 km (17 miles) away, Mogi das Cruzes, Guararema and Moji das Cruzes.
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