Surf Forecasts:
Praia da Baleia surf forecast from 23 Aug 2026:
- Best quality surf: Tuesday 25 Aug, 3AM (local time) - 7ft (2.2m), 14s period, S swell with glassy winds.
- Most powerful swell: Monday 24 Aug, 9PM (local time) - 8ft (2.4m), 15s period, S swell with 2,513 kJ wave energy.
- Next surfable swell (1★+): Tuesday 25 Aug, 3AM (local time) - 7ft (2.2m), 14s period with S swell.
Best Forecast Surf Conditions for Praia da Baleia this week:
The surf forecast for Praia da Baleia over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Aug 25) at 3AM. The primary swell is predicted to be 2.2m and 14s period with a secondary swell of 0.6m and 4s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Praia da Baleia in the next 16 days are 2.4m 15s and forecast to arrive on Monday (Aug 24) 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 0.6m 4s period and expected on Saturday (Aug 29) at 9AM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Tue 25th Aug) | 7ft (2.2m) 14s |
| Best Surf | 3AM (Tue 25th Aug) | 7ft (2.2m) 14s |
| Most Powerful | 9PM (Mon 24th Aug) | 8ft (2.4m) 15s |
Table - best surf conditions forecast for Praia da Baleia over the next 16 days.
The Lowdown
Alright, Rusty here, bringing you the lowdown on Praia da Baleia.
We start off a bit slow. The first real surf to talk about is on Sunday the 23rd. There’s some 5ft southerly swell, but the wind is a light SSE breeze, blowing onshore. The water’s warm at 72°, and it’s about a touch warmer than usual for this time of year. The combined energy is moderate at 463. It’s surfable, but nothing to call home about.
Monday the 24th brings a big jump in size, with 8ft southerly swell, but the wind is cross-onshore from the SE at 6 mph. The period stretches to 14 seconds, bringing real groundswell energy (energy is 2346), but those winds will mess up the surface. This one is for the experienced crew only.
The first real standout is early Wednesday morning, the 26th. The swell drops to a more manageable 5ft out of the SSE, but the wind is glassy—that’s a huge positive. The period is a very long 16 seconds, so this is pure groundswell. With energy at 1543, it’s got some punch. This is excellent surf for experienced surfers. The point and beach setup should handle that long period okay, but the point might be the best bet.
Thursday morning the 27th is another one to mark. 6ft SSE swell, glassy conditions with a light NW wind, and a 14-second period. Energy at 1496. Again, excellent surf for experienced surfers. The offshore wind will keep it clean.
After that, it drops off. Friday the 28th has some small, glassy waves, but the swell is tiny and the period drops to 8 seconds. From Saturday the 29th through the end of the first week and into early September, it’s mostly small, weak, and messy. A gap of several days with poor conditions.
On Wednesday the 2nd of September, the swell tries to build again, hitting 7ft from the south, but it’s cross-onshore and the wind is up. Not great.
The next real highlight is Thursday morning, the 3rd of September. Glassy conditions, 6ft southerly swell with an 11-second period, and energy at 870. The forecast says very good surf conditions. This is a solid, clean swell with light offshore wind.
Saturday the 5th of September also looks good. Morning brings 5ft SSE swell with a light offshore northerly wind at 6 mph, giving clean waves. The afternoon goes glassy with a light westerly breeze. Period is 11-12 seconds, energy around 525-574. Very good conditions.
After that, it turns poor again with rain and onshore winds into the next week. The best of the whole forecast is definitely Wednesday the 26th and Thursday morning the 27th of August, with Thursday the 3rd of September as a solid long-range bet.
Rusty out.
Short Range ForecastLight rain (total 5mm), mostly falling on Sun night. Warm (max 24°C on Wed morning, min 17°C on Mon afternoon). Wind will be generally light. | Days 5-7 Weather SummaryModerate rain (total 10mm), heaviest on Wed night. Warm (max 40°C on Sat morning, min 20°C on Wed afternoon). Wind will be generally light. | |||||||||||||||||||
Sun 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | ||||||||||||||
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 10 | S 13 | S 14 | S 13 | S 14 | S 14 | S 13 | S 13 | SSE 16 | SSE 15 | SSE 15 | SSE 14 | SSE 14 | SSE 13 | SSE 12 | ESE 8 | E 8 | ESE 8 | ESE 8 | ESE 8 |
Wave Graph  | ||||||||||||||||||||
 kJ | 459 | 961 | 2346 | 2042 | 2185 | 1572 | 1110 | 932 | 974 | 1825 | 2027 | 1439 | 939 | 515 | 254 | 250 | 305 | 116 | 113 | 118 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-off | glassy | cross-on | cross | glassy | cross-on | glassy | glassy | glassy | cross-off | off | cross | cross-off |
High Tide | 00:48AM0.81m | 1:46PM1.03m | 1:12AM0.93m | 2:06PM1.10m | 1:35AM1.04m | 2:25PM1.15m | 1:58AM1.14m | 2:44PM1.18m | 2:24AM1.21m | 3:05PM1.19m | 2:52AM1.26m | 3:28PM1.18m | ||||||||
Low Tide | 6:53PM0.48m | 6:44AM0.20m | 7:23PM0.40m | 7:23AM0.10m | 7:52PM0.33m | 7:58AM0.01m | 8:21PM0.27m | 8:32AM-0.04m | 8:50PM0.23m | 9:05AM-0.06m | 9:19PM0.21m | 9:38AM-0.04m | 9:47PM0.21m | |||||||
 |  |  |  |  | | |  | | |  |  | |  | | | | | | | |
 | — | — | 6:20 | — | — | 6:20 | — | — | 6:18 | — | — | 6:18 | — | — | 6:16 | — | — | 6:16 | — | — |
 | 5:47 | — | — | 5:49 | — | — | 5:49 | — | — | 5:49 | — | — | 5:50 | — | — | 5:50 | — | — | 5:50 | — |
mm | — | 2 | 2 | 1 | — | — | — | — | — | 1 | 9 | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 18 | 18 | 17 | 17 | 21 | 21 | 19 | 24 | 24 | 21 | 26 | 23 | 20 | 29 | 32 | 31 | 40 | 33 | 30 |
Feels °C | 20 | 19 | 18 | 17 | 17 | 22 | 22 | 21 | 26 | 26 | 23 | 27 | 25 | 22 | 31 | 35 | 30 | 38 | 34 | 29 |
Swell 1 Height (m) Direction Period (s) | S 10 | S 13 | S 14 | S 13 | S 14 | S 14 | S 13 | S 13 | S 12 | SSE 15 | SSE 15 | SSE 14 | SSE 14 | SSE 13 | SSE 12 | SSE 12 | E 8 | ESE 8 | ESE 8 | ESE 8 |
| kJ | 459 | 961 | 2346 | 2042 | 2185 | 1572 | 1110 | 932 | 547 | 1825 | 2027 | 1439 | 939 | 515 | 254 | 186 | 195 | 116 | 113 | 118 |
Swell 2 Height (m) Direction Period (s) | E 7 | E 7 | — | — | — | — | — | — | SSE 16 | — | ESE 6 | ESE 6 | ESE 6 | ESE 6 | — | — | SSE 11 | SSE 11 | WNW 4 | SSE 10 |
| kJ | 4 | 4 | — | — | — | — | — | — | 974 | — | 38 | 57 | 41 | 66 | — | — | 93 | 37 | 5 | 20 |
Swell 3 Height (m) Direction Period (s) | — | E 8 | — | — | — | — | — | — | E 6 | — | — | — | — | — | — | — | — | — | SSE 10 | — |
| kJ | — | 1 | — | — | — | — | — | — | 22 | — | — | — | — | — | — | — | — | — | 20 | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | E 4 | E 4 | E 4 | E 5 | — | E 5 | E 6 | — | — | ESE 7 | ESE 8 | ESE 8 | E 8 | NNW 4 | — | NNW 3 |
| kJ | — | — | — | — | 10 | 19 | 25 | 51 | — | 29 | 106 | — | — | 168 | 186 | 250 | 305 | 10 | — | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 6 | 2 | 2 | 6 | 2 | 2 | 2 | 0 | 0 | 2 | 2 | 0 | 39 | 0 | 0 | 0 | 0 | 0 | 39 | 0 |
Best forecast wave conditions in São Paulo | ||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||
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Information about the Praia da Baleia Surf forecast
The above surf forecast table for Praia da Baleia provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Praia da Baleia can be found by selecting the local surf guide option on the grey menu. Our Praia da Baleia 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 da Baleia) 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 da Baleia 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 da Baleia is 26 km (16 miles) from Sao Sebastiao. If you plan a holiday in São Paulo, look for hotels and other accommodation in Sao Sebastiao. Sao Sebastiao has rooms for a wide range of budgets as well as car hire and transport links.
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