Surf Forecasts:
Barra do Ribeira surf forecast from 18 Aug 2026:
- Best quality surf: Wednesday 19 Aug, 12AM (local time) - 3.5ft (1.0m), 8s period, E swell with cross-offshore winds.
- Most powerful swell: Monday 24 Aug, 6PM (local time) - 6.5ft (2.0m), 13s period, SSE swell with 1,336 kJ wave energy.
- Next surfable swell (1★+): Wednesday 19 Aug, 12AM (local time) - 3.5ft (1.0m), 8s period with E swell.
Best Forecast Surf Conditions for Barra do Ribeira this week:
The surf forecast for Barra do Ribeira over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Aug 19) at 12AM. The primary swell is predicted to be 1.0m and 8s period with a secondary swell of 0.1m and 9s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Barra do Ribeira in the next 16 days are 2.0m 13s and forecast to arrive on Monday (Aug 24) at 6PM. Winds are predicted to be onshore at the time the swell arrives.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12AM (Wed 19th Aug) | 3.5ft (1.0m) 8s |
| Best Surf | 12AM (Wed 19th Aug) | 3.5ft (1.0m) 8s |
| Most Powerful | 6PM (Mon 24th Aug) | 6.5ft (2.0m) 13s |
Table - best surf conditions forecast for Barra do Ribeira over the next 16 days.
Short Range ForecastMostly dry. Warm (max 32°C on Tue afternoon, min 18°C on Wed night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 3mm), mostly falling on Fri night. Warm (max 22°C on Fri morning, min 16°C on Sat night). Wind will be generally light. | ||||||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | |||||||||||||||
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) | ESE 8 | E 8 | E 8 | E 8 | E 8 | E 7 | E 7 | E 7 | E 7 | E 7 | E 8 | E 8 | SSE 9 | S 9 | S 9 | S 8 | S 9 | S 11 | SSE 13 | SSE 14 | SSE 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 202 | 169 | 120 | 72 | 55 | 54 | 37 | 24 | 20 | 97 | 124 | 66 | 348 | 230 | 158 | 140 | 162 | 286 | 946 | 1306 | 1019 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | glassy | cross-off | off | cross-on | cross | glassy | cross-on | off | cross | cross-on | cross-on | cross-on | on | cross-on | cross-on | on | on | on | on | on |
High Tide | 5:36PM1.07m | 6:13AM1.07m | 6:04PM0.98m | 7:13AM0.94m | 6:49PM0.87m | 8:57AM0.86m | 2:13PM0.86m | 8:34PM0.79m | 1:16PM0.96m | 11:07PM0.84m | 1:06PM1.09m | 00:19AM0.99m | 1:23PM1.21m | 00:55AM1.14m | |||||||
Low Tide | 10:38AM0.41m | 10:47PM0.33m | 11:00AM0.54m | 11:20PM0.41m | 11:20AM0.67m | 11:58PM0.52m | 11:28AM0.81m | 5:57PM0.74m | 5:28AM0.50m | 6:36PM0.63m | 6:20AM0.36m | 7:06PM0.52m | 6:58AM0.23m | 7:32PM0.43m | |||||||
 | |  | | |  | | | | | |  |  |  | | | | |  | |  | |
 | 6:33 | — | — | 6:33 | — | — | 6:31 | — | — | 6:31 | — | — | 6:31 | — | — | 6:30 | — | — | 6:28 | — | — |
 | — | 5:52 | — | — | 5:52 | — | — | 5:52 | — | — | 5:53 | — | — | 5:53 | — | — | 5:53 | — | — | 5:54 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 2 | 1 | — | — | — | — | — | — | — | — |
Temp °C | 31 | 32 | 28 | 26 | 21 | 19 | 22 | 22 | 22 | 22 | 21 | 19 | 17 | 17 | 17 | 18 | 18 | 17 | 18 | 18 | 18 |
Feels °C | 31 | 33 | 28 | 26 | 21 | 20 | 23 | 22 | 20 | 22 | 18 | 16 | 15 | 15 | 16 | 17 | 16 | 15 | 15 | 15 | 15 |
Swell 1 Height (m) Direction Period (s) | ESE 8 | E 8 | E 8 | E 8 | E 8 | E 7 | E 7 | E 7 | E 4 | E 7 | E 8 | E 8 | SSE 9 | S 9 | S 9 | S 8 | S 9 | S 11 | SSE 14 | SSE 14 | SSE 12 |
| kJ | 202 | 169 | 120 | 72 | 55 | 54 | 37 | 24 | 20 | 97 | 124 | 66 | 348 | 230 | 158 | 140 | 162 | 286 | 201 | 1306 | 1019 |
Swell 2 Height (m) Direction Period (s) | SSE 9 | S 9 | SE 9 | S 10 | S 9 | SE 13 | SSW 4 | SSW 5 | E 7 | S 8 | — | S 4 | E 8 | E 8 | E 7 | SSE 13 | SSE 12 | E 7 | E 7 | E 7 | — |
| kJ | 8 | 6 | 3 | 2 | 2 | 7 | 6 | 4 | 15 | 22 | — | 15 | 33 | 19 | 9 | 60 | 106 | 4 | 4 | 4 | — |
Swell 3 Height (m) Direction Period (s) | SSE 9 | SE 9 | SE 9 | S 8 | SE 13 | S 9 | S 12 | S 11 | S 9 | — | — | S 8 | — | — | S 15 | E 7 | E 7 | — | — | — | — |
| kJ | 8 | 3 | 3 | 1 | 7 | 2 | 3 | 9 | 15 | — | — | 5 | — | — | 5 | 4 | 4 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | SSW 2 | SW 4 | — | — | — | — | S 6 | — | — | — | — | — | — | — | SSE 13 | — | E 6 |
| kJ | — | — | — | — | 1 | 12 | — | — | — | — | 44 | — | — | — | — | — | — | — | 946 | — | 1 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 171 | 189 | 139 | 139 | 0 | 25 | 131 | 189 | 115 | 234 | 47 | 47 | 133 | 133 | 133 | 136 | 177 |
Best forecast wave conditions in São Paulo | |||||||||||||||||||||
Best forecast wave conditions in Brazil | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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Information about the Barra do Ribeira Surf forecast
The above surf forecast table for Barra do Ribeira 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 Ribeira can be found by selecting the local surf guide option on the grey menu. Our Barra do Ribeira 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 Ribeira) 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 Ribeira 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 Barra do Ribeira, camping, hotels and holiday cottages in São Paulo, consider staying in Iguape which is 14 km (9 miles) away. Other places in and around São Paulo where you can find information about places to rent, and car hire include Registro which is 48 km (30 miles) away, Peruibe, Cajati and Itanhaem.
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