Surf Forecasts:
Sao Pedro surf forecast from 29 Aug 2026:
- Best quality surf: Thursday 3 Sep, 9AM (local time) - 4.5ft (1.3m), 9s period, SSE swell with glassy winds.
- Most powerful swell: Wednesday 2 Sep, 6PM (local time) - 6.5ft (2.0m), 9s period, S swell with 679 kJ wave energy.
- Next surfable swell (1★+): Saturday 29 Aug, 9PM (local time) - 2ft (0.6m), 7s period with ESE swell.
Best Forecast Surf Conditions for Sao Pedro this week:
The surf forecast for Sao Pedro over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Aug 29) at 9PM. The primary swell is predicted to be 0.6m and 7s period with a secondary swell of 0.2m and 10s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Sao Pedro in the next 16 days are 2.0m 9s and forecast to arrive on Wednesday (Sep 02) at 6PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 5s period and expected on Sunday (Aug 30) at 6AM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Sat 29th Aug) | 2ft (0.6m) 7s |
| Best Surf | 9AM (Thu 3rd Sep) | 4.5ft (1.3m) 9s |
| Most Powerful | 6PM (Wed 2nd Sep) | 6.5ft (2.0m) 9s |
Table - best surf conditions forecast for Sao Pedro over the next 16 days.
The Lowdown
Alright, Rusty here, giving you the lowdown in feet and knots.
We're starting off a little slow, but there's good stuff building further out.
The spot is Sao Pedro (sandbar). Right now, Saturday the 29th, the surf is tiny, about 2 feet from the ESE with a short period. The combined energy is a weak 53, so there's not much push. The wind is offshore and clean, so you can get a few very ordinary waves. The water is about 71°, which is a touch warmer than normal.
Sunday the 30th is more of the same, with around 2 foot surf and a cross-off breeze in the morning. Monday the 31st morning turns glassy with 1 foot waves, still tiny. Tuesday the 1st of September brings a little bump with a glassy 3 foot wave in the morning, and the energy ticks up to 82.
Then Wednesday the 2nd of September, things get a bit more interesting. The swell picks up to 5 feet from the S, with a moderate 318 energy reading. The wind is cross-off, but a moderate breeze, so it won't be perfect. By the afternoon, the swell bumps to 6 feet and the energy jumps to 559, but the wind goes cross-shore, putting a bit of chop on the face. It's marginal, but it's showing some life.
The real standout is Thursday the 3rd of September in the morning. The swell drops back a touch to a clean 4 feet from the SSE, but the wind is glassy and offshore. The energy is a solid 257. This is the first window of genuinely good surf. It’s small enough for most, but the conditions will be pristine.
Another big one to watch is Monday the 8th of September. The morning is glassy with 4 feet from the SSE, and the period stretches to 13 seconds. The energy is a strong 562. This is a proper groundswell, and with those conditions, it’s going to be very good. The afternoon looks just as good, with 5 feet and 687 energy, still glassy. This is a top pick.
Tuesday the 9th of September continues the run. The morning is glassy again with 5 feet from the SSE, but the period hits 15 seconds. That’s a very long period groundswell, and the energy is a hefty 929. This is for the experienced crew. On a sandbar, that long period might make the waves a bit too straight, but if the banks are right, it’ll be a dream. The afternoon goes onshore, so the morning is the window.
After that, we settle into a long run of clean, fun-sized waves from the 10th through the 13th of September. The swell hangs around 3 feet from the SSE and SE, with a mix of glassy and cross-off winds. The energy is moderate, in the 200-300 range. It’s not the big stuff, but it’s clean and consistent.
The best on offer? Hands down, Monday the 8th of September and Tuesday the 9th of September mornings. The 8th has the best combination of clean, glassy conditions, solid 4 foot swell, and good energy. The 9th has the biggest, longest period swell, but it’s best for the experts. If you can only paddle out once, make it the 8th.
Rusty.
Short Range ForecastSome drizzle, heaviest during Tue morning. Warm (max 36°C on Sat afternoon, min 20°C on Sat night). Wind will be generally light. | Days 5-7 Weather SummaryHeavy rain (total 20mm), heaviest during Tue afternoon. Warm (max 25°C on Fri morning, min 16°C on Wed night). Wind will be generally light. | |||||||||||||||||||
Sat 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | ||||||||||||||
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 7 | ESE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | SSE 6 | ESE 8 | S 5 | SSE 7 | ESE 9 | S 8 | S 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SE 10 | SSE 10 | SE 10 |
Wave Graph  | ||||||||||||||||||||
 kJ | 43 | 31 | 35 | 38 | 27 | 27 | 21 | 28 | 58 | 75 | 29 | 302 | 551 | 340 | 249 | 190 | 127 | 139 | 125 | 77 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross-off | cross | glassy | glassy | cross | cross-off | glassy | glassy | cross | cross-off | cross | on | glassy | on | cross | glassy | glassy | cross-off |
High Tide | 3:28PM1.25m | 3:24AM1.34m | 3:54PM1.22m | 3:58AM1.32m | 4:22PM1.15m | 4:35AM1.25m | 4:52PM1.06m | 5:16AM1.14m | 5:23PM0.95m | 6:06AM1.00m | 5:58PM0.83m | 7:18AM0.86m | 12:32PM0.81m | 6:46PM0.71m | ||||||
Low Tide | 9:48PM0.21m | 10:11AM0.03m | 10:15PM0.23m | 10:44AM0.14m | 10:38PM0.27m | 11:17AM0.29m | 10:54PM0.31m | 11:56AM0.46m | 10:54PM0.37m | 1:56PM0.62m | 10:52PM0.44m | 10:15AM0.77m | 4:21PM0.66m | 10:55PM0.53m | ||||||
 |  | | | |  | | |  |  |  | | |  | | | | | | | |
 | — | — | 6:18 | — | — | 6:16 | — | — | 6:16 | — | — | 6:15 | — | — | 6:13 | — | — | 6:13 | — | — |
 | 5:52 | — | — | 5:52 | — | — | 5:52 | — | — | 5:52 | — | — | 5:53 | — | — | 5:53 | — | — | 5:53 | — |
mm | — | — | — | — | — | — | — | — | 1 | 10 | 6 | 2 | 2 | — | — | — | — | — | — | — |
Temp °C | 36 | 23 | 22 | 22 | 21 | 28 | 22 | 22 | 22 | 22 | 23 | 18 | 18 | 18 | 21 | 20 | 17 | 25 | 23 | 22 |
Feels °C | 35 | 24 | 24 | 24 | 24 | 31 | 24 | 24 | 24 | 25 | 24 | 16 | 16 | 17 | 20 | 19 | 17 | 26 | 24 | 23 |
Swell 1 Height (m) Direction Period (s) | ESE 7 | ESE 7 | ESE 8 | ESE 8 | ESE 8 | S 6 | SSE 6 | SSE 6 | S 5 | SSE 7 | SSE 7 | ESE 9 | ESE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SE 10 | SSE 10 | SE 10 |
| kJ | 43 | 31 | 35 | 38 | 27 | 17 | 21 | 23 | 58 | 75 | 27 | 16 | 8 | 340 | 249 | 190 | 127 | 139 | 125 | 77 |
Swell 2 Height (m) Direction Period (s) | SSE 10 | SSE 10 | SE 10 | SE 10 | SSW 5 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 9 | ESE 9 | — | — | SE 9 | ESE 9 | ESE 9 | ESE 4 | E 5 | ESE 6 | ESE 6 |
| kJ | 10 | 10 | 4 | 4 | 9 | 27 | 14 | 28 | 24 | 44 | 29 | — | — | 3 | 8 | 7 | 12 | 13 | 10 | 12 |
Swell 3 Height (m) Direction Period (s) | WNW 3 | — | — | SSE 10 | S 10 | S 10 | ESE 9 | — | — | SW 6 | NNE 3 | — | — | — | — | — | SSW 7 | E 9 | S 10 | ESE 10 |
| kJ | 1 | — | — | 9 | 2 | 2 | 16 | — | — | 39 | 1 | — | — | — | — | — | 17 | 1 | 2 | 9 |
Wind waves Height (m) Direction Period (s) | — | SW 4 | SSW 5 | SSW 5 | — | — | — | — | — | — | — | S 8 | S 9 | — | — | — | ENE 4 | — | — | — |
| kJ | — | 6 | 13 | 15 | — | — | — | — | — | — | — | 302 | 551 | — | — | — | 10 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 0 | 16 | 0 | 88 | 7 | 0 | 133 | 0 | 0 | 0 | 203 | 107 | 283 | 11 | 0 | 11 | 3 | 0 | 0 | 0 |
Best forecast wave conditions in São Paulo | ||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||
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Information about the Sao Pedro Surf forecast
The above surf forecast table for Sao Pedro provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Sao Pedro can be found by selecting the local surf guide option on the grey menu. Our Sao Pedro 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 (Sao Pedro) 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 Sao Pedro 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.
Sao Pedro is 5 km (3 miles) from the city of Bertioga. If you plan a holiday in São Paulo, look for hotels and other accommodation in Bertioga. Bertioga has rooms for a wide range of budgets as well as car hire and transport links.
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