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Praia Grande (Ubatuba) surfForecast / São Paulo / Brazil
12 Day Weather and Surf, issued 8 am Saturday 09 Aug 2025 -03
Best Forecast Surf Conditions for Praia Grande (Ubatuba) this week:
The surf forecast for Praia Grande (Ubatuba) over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Aug 09) at 9PM. The primary swell is predicted to be 2.1m and 11s period with a secondary swell of 1.6m and 11s. Another secondary swell of 0.4m and 7s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Praia Grande (Ubatuba) in the next 12 days are 2.4m 10s and forecast to arrive on Sunday (Aug 10) at 12AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 9s period and expected on Monday (Aug 11) at 12PM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Sat 9th Aug) | 7ft (2.1m) 11s |
| Best Surf | 9PM (Sat 9th Aug) | 7ft (2.1m) 11s |
| Most Powerful | 12AM (Sun 10th Aug) | 8ft (2.4m) 10s |
Table - best surf conditions forecast for Praia Grande (Ubatuba) over the next 12 days.
Short Range Forecast Some drizzle, heaviest during Sat morning. Very mild (max 19°C on Sat afternoon, min 14°C on Sat night). Wind will be generally light. | Days 3-6 Weather Summary Light rain (total 6mm), mostly falling on Thu night. Warm (max 21°C on Wed afternoon, min 16°C on Tue night). Wind will be generally light. | ||||||||||||||||||||
Saturday 09 | Sunday 10 | Monday 11 | Tuesday 12 | Wednesday 13 | Thursday 14 | Friday 15 | |||||||||||||||
| AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Rating (10 max) | |||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||
| Period(s) (?) | 11 | 11 | 10 | 11 | 10 | 9 | 11 | 11 | 10 | 10 | 10 | 9 | 9 | 9 | 8 | 8 | 8 | 6 | 6 | 8 | 7 |
Wave (?)Graph  | |||||||||||||||||||||
| Energy (?) | 496 | 1052 | 1748 | 746 | 1397 | 454 | 514 | 425 | 338 | 317 | 257 | 160 | 151 | 144 | 103 | 106 | 85 | 152 | 133 | 319 | 516 |
Wind (km/h) | |||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- on | cross- off | cross- off | cross- on | cross- off | glass | cross- on | glass | glass | on | glass | glass | on | off | cross | cross | cross- off | glass | cross- on | cross |
High Tide / height (m) | 3:22PM 1.16 | 2:50AM 1.15 | 3:45PM 1.14 | 3:21AM 1.19 | 4:09PM 1.11 | 3:53AM 1.20 | 4:34PM 1.05 | 4:29AM 1.16 | 5:01PM 0.97 | 5:08AM 1.09 | 5:29PM 0.89 | 5:52AM 0.97 | 5:58PM 0.80 | ||||||||
Low Tide / height (m) | 9:09AM -0.09 | 9:33PM 0.25 | 9:48AM -0.11 | 10:07PM 0.26 | 10:26AM -0.07 | 10:41PM 0.28 | 11:06AM 0.01 | 11:16PM 0.30 | 11:47AM 0.14 | 11:53PM 0.33 | 12:35PM 0.29 | 12:36AM 0.37 | 1:36PM 0.45 | 1:41AM 0.40 | |||||||
Saturday 09 | Sunday 10 | Monday 11 | Tuesday 12 | Wednesday 13 | Thursday 14 | Friday 15 | |||||||||||||||
| Sunrise | 6:30 | - | - | 6:28 | - | - | 6:28 | - | - | 6:28 | - | - | 6:26 | - | - | 6:26 | - | - | 6:26 | - | - |
| Sunset | - | 5:40 | - | - | 5:40 | - | - | 5:42 | - | - | 5:42 | - | - | 5:42 | - | - | 5:43 | - | - | 5:43 | - |
 |  |  |  | | | | |  | | | | | | | | |  | | |  | |
Rain (mm) | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 5 | 2 | 2 | 3 |
| Temp. °C | 18 | 19 | 16 | 18 | 18 | 16 | 18 | 19 | 17 | 19 | 19 | 17 | 20 | 21 | 18 | 21 | 20 | 18 | 18 | 18 | 17 |
| Feels °C (?) | 17 | 18 | 15 | 16 | 16 | 15 | 17 | 18 | 16 | 18 | 18 | 17 | 20 | 21 | 19 | 20 | 18 | 18 | 19 | 18 | 16 |
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for São Paulo
Continuing clean conditions at Praia Grande (Ubatuba) (light winds from the WSW.(Wind varies from 150 to 300 degs) at Taubate Airport (base) 66 km from Praia Grande (Ubatuba)). 1.7m 9s swell from the SSW with a 1.1m 10s swell from the S and a 0.6m 7s swell from the ESE as well as a 0.4m 14s groundswell from the SE. 4 swells combining so expect closeout sets.
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Information about the Praia Grande (Ubatuba) Surf forecast
The above surf forecast table for Praia Grande (Ubatuba) provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Praia Grande (Ubatuba) can be found by selecting the local surf guide option on the grey menu. Our Praia Grande (Ubatuba) 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 (Praia Grande (Ubatuba)) 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 Praia Grande (Ubatuba) 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.
Praia Grande (Ubatuba) is 4 km (2 miles) from the city of Ubatuba. If you plan a holiday in São Paulo, look for hotels and other accommodation in Ubatuba. Ubatuba has rooms for a wide range of budgets as well as car hire and transport links.
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