Surf Forecasts:
Praia Grande (Ubatuba) surf forecast from 15 Oct 2026:
- Best quality surf: Monday 19 Oct, 6AM (local time) - 4.5ft (1.4m), 11s period, S swell with glassy winds.
- Most powerful swell: Sunday 18 Oct, 9PM (local time) - 5ft (1.5m), 13s period, S swell with 737 kJ wave energy.
- Next surfable swell (1★+): Thursday 15 Oct, 9PM (local time) - 1.5ft (0.5m), 8s period with S swell.
Best Forecast Surf Conditions for Praia Grande (Ubatuba) this week:
The surf forecast for Praia Grande (Ubatuba) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Oct 15) at 9PM. The primary swell is predicted to be 0.5m and 8s period with a secondary swell of 0.4m and 5s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Praia Grande (Ubatuba) in the next 16 days are 1.5m 13s and forecast to arrive on Sunday (Oct 18) at 9PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Friday (Oct 16) at 9AM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Thu 15th Oct) | 1.5ft (0.5m) 8s |
| Best Surf | 6AM (Mon 19th Oct) | 4.5ft (1.4m) 11s |
| Most Powerful | 9PM (Sun 18th Oct) | 5ft (1.5m) 13s |
Table - best surf conditions forecast for Praia Grande (Ubatuba) over the next 16 days.
Short Range ForecastHeavy rain (total 61mm), heaviest during Fri night. Warm (max 25°C on Fri morning, min 20°C on Sat night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 7mm), mostly falling on Sun night. Warm (max 21°C on Wed morning, min 18°C on Sun night). Wind will be generally light. | |||||||||||||||||||
Thu 15 | Friday 16 | Saturday 17 | Sunday 18 | Monday 19 | Tuesday 20 | Wednesday 21 | ||||||||||||||
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) | S 8 | SSE 8 | SE 7 | SE 8 | SE 8 | SE 8 | SE 9 | SE 9 | SE 9 | S 12 | S 12 | S 11 | S 11 | S 10 | SSE 12 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 10 |
Wave Graph  | ||||||||||||||||||||
 kJ | 34 | 20 | 64 | 107 | 171 | 180 | 152 | 107 | 88 | 214 | 649 | 476 | 382 | 273 | 462 | 447 | 373 | 313 | 260 | 198 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | glassy | on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | glassy | glassy | on | glassy | on | cross-on | cross-on |
High Tide | 3:59PM0.94m | 4:56AM0.90m | 4:29PM0.88m | 5:39AM0.80m | 5:08PM0.80m | 6:50AM0.71m | 6:06PM0.73m | 11:49AM0.82m | 11:05PM0.71m | 12:15PM0.91m | 11:43PM0.83m | 12:40PM0.99m | 00:13AM0.94m | |||||||
Low Tide | 10:52PM0.22m | 11:27AM0.55m | 11:51PM0.31m | 1:01PM0.62m | 1:33AM0.37m | 8:40AM0.69m | 2:49PM0.62m | 3:11AM0.37m | 4:14PM0.56m | 4:27AM0.30m | 5:14PM0.47m | 5:25AM0.20m | 5:59PM0.37m | |||||||
 |  | | | |  |  |  |  | |  |  | |  | | | | | |  | |
 | — | — | 5:26 | — | — | 5:26 | — | — | 5:24 | — | — | 5:24 | — | — | 5:22 | — | — | 5:22 | — | — |
 | 6:04 | — | — | 6:05 | — | — | 6:05 | — | — | 6:06 | — | — | 6:06 | — | — | 6:07 | — | — | 6:07 | — |
mm | 3 | 18 | 4 | 9 | 23 | — | 1 | 1 | 2 | 2 | 5 | — | — | — | — | — | — | — | — | 13 |
Temp °C | 24 | 23 | 25 | 24 | 22 | 22 | 21 | 20 | 22 | 20 | 19 | 19 | 19 | 19 | 20 | 20 | 19 | 21 | 21 | 20 |
Feels °C | 28 | 27 | 29 | 27 | 25 | 24 | 22 | 22 | 23 | 21 | 19 | 19 | 19 | 20 | 21 | 20 | 19 | 22 | 22 | 21 |
Swell 1 Height (m) Direction Period (s) | S 8 | SSE 8 | SE 7 | SE 8 | SE 8 | SE 8 | SE 9 | SE 9 | SE 9 | S 12 | S 12 | S 11 | S 11 | S 10 | SSE 12 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 10 |
| kJ | 34 | 20 | 64 | 107 | 171 | 180 | 152 | 107 | 88 | 214 | 649 | 476 | 382 | 273 | 462 | 447 | 373 | 313 | 260 | 198 |
Swell 2 Height (m) Direction Period (s) | ESE 6 | SE 5 | S 13 | S 12 | — | — | S 6 | S 7 | S 9 | SE 10 | SE 10 | ESE 9 | SE 9 | SE 9 | SE 11 | SE 10 | ESE 9 | ESE 9 | ESE 8 | ESE 8 |
| kJ | 4 | 6 | 3 | 3 | — | — | 37 | 53 | 85 | 132 | 92 | 55 | 40 | 19 | 29 | 25 | 16 | 15 | 7 | 7 |
Swell 3 Height (m) Direction Period (s) | E 6 | E 7 | S 13 | — | — | — | S 16 | SE 15 | SE 11 | SE 12 | — | — | — | SSE 12 | — | — | S 20 | — | S 18 | — |
| kJ | 3 | 1 | 3 | — | — | — | 5 | 8 | 43 | 6 | — | — | — | 50 | — | — | 7 | — | 6 | — |
Wind waves Height (m) Direction Period (s) | — | — | NNE 3 | SSW 2 | SW 3 | SSW 5 | — | — | — | SSW 5 | — | — | — | — | — | — | E 3 | ESE 4 | ESE 5 | ESE 6 |
| kJ | — | — | 3 | 1 | 6 | 36 | — | — | — | 23 | — | — | — | — | — | — | 5 | 27 | 46 | 113 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 0 | 25 | 0 | 3 | 49 | 4 | 5 | 1 | 5 | 5 | 5 | 5 | 5 | 0 | 0 | 25 | 0 | 25 | 25 | 25 |
Best forecast wave conditions in São Paulo | ||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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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 16 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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