Surf Forecasts:
Praia da Baleia surf forecast from 11 Sep 2026:
- Best quality surf: Monday 14 Sep, 9AM (local time) - 8ft (2.5m), 8s period, ESE swell with cross-offshore winds.
- Most powerful swell: Monday 14 Sep, 9AM (local time) - 8ft (2.5m), 8s period, ESE swell with 946 kJ wave energy.
- Next surfable swell (1★+): Friday 11 Sep, 6AM (local time) - 3.5ft (1.0m), 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 Friday (Sep 11) at 6AM. The primary swell is predicted to be 1.0m and 14s period with a secondary swell of 0.6m and 8s. 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 2.5m 8s and forecast to arrive on Monday (Sep 14) at 9AM. 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 5s period and expected on Tuesday (Sep 15) at 6AM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Fri 11th Sep) | 3.5ft (1.0m) 14s |
| Best Surf | 9AM (Mon 14th Sep) | 8ft (2.5m) 8s |
| Most Powerful | 9AM (Mon 14th Sep) | 8ft (2.5m) 8s |
Table - best surf conditions forecast for Praia da Baleia over the next 16 days.
The Lowdown
Alright, let’s get into it. This is Rusty, lookin’ at the surf for Praia da Baleia over the next couple of weeks.
Straight up, we’ve got a bit of a mixed bag. The first real standout isn’t until Friday, September 11th, but when it comes, it’s clean. Praia da Baleia is a beach and point break, exposed to the south. The water temp is about average for this time of year, so nothin’ wild to report there.
Friday morning kicks off with a solid 3ft south swell, period of 13 seconds – that’s a proper groundswell with some push. Combined wave energy is moderate (417). Wind is glassy, light from the SSW. That’s clean, lined-up waves for the early session. Friday afternoon holds, dropping slightly to 3ft, still glassy with an ESE breeze. That’s the pick of the whole run: Friday, September 11th. Just beautiful.
Saturday morning, September 12th, drops right off. Only 2ft south swell, period 11 seconds, energy down to 89 – weak. It’s glassy but the size just isn’t there. Glassy conditions can’t make up for that lack of push. Saturday afternoon gets messy: cross-on wind, short period, poor surf. Sunday’s no better – 5ft swell but the wind is cross-on, and conditions are choppy. A write-off.
Monday, September 14th, gets interesting but not for everyone. Morning shows a 8ft swell from the SE, period only 8 seconds, but the combined energy is strong (1201). Wind is cross-shore and light. That’s a lot of water moving, but the short period means it’ll be a bit dumpy and closing out at the beach. Then Monday afternoon turns glassy with a 8ft swell – that’s solid. For experienced surfers only, that’s a great session. Too big for beginners.
Tuesday the 15th drops back to 4ft, glassy morning, but the period stays short at 8 seconds. Wednesday the 16th morning is glassy again, 3ft south-southeast swell, 8 seconds. Good for a froth but not a standout.
Now, look ahead to Friday, September 18th. That’s another one to circle. Friday morning: 4ft south swell, 12 seconds, glassy – calm wind. Energy is moderate (716). That’s a very good forecast. Friday afternoon stays glassy, 4ft, same long period. Clean, smooth lines.
Saturday the 19th also delivers: 6ft east swell, 8 seconds, glassy all day. That’s clean, fun waves but the short period means it’ll be a bit quick. Sunday the 20th morning is similar, 7ft east swell, 8 seconds, glassy. That’s a solid push, again more for the experienced crew. It drops off Sunday afternoon.
After that, things fade. The last week – from Monday the 21st through to Saturday the 26th – has very little to recommend. Mostly ordinary conditions, cross-shore winds, small swell. A few glassy mornings but the energy is weak. There’s a gap of several days with no real standouts.
Overall, the standouts are Friday the 11th and Friday the 18th. Friday the 11th is your best bet for a long, clean session with proper groundswell and no wind. Crowds are sometimes a factor here, so get in early.
– Rusty
Short Range ForecastHeavy rain (total 35mm), heaviest during Sun afternoon. Warm (max 28°C on Fri morning, min 19°C on Sat night). Wind will be generally light. | Days 4-6 Weather SummaryHeavy rain (total 31mm), heaviest during Mon night. Warm (max 23°C on Mon morning, min 17°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | |||||||||||||||
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) | S 13 | S 13 | S 12 | S 11 | S 11 | S 7 | S 8 | S 8 | SSE 7 | ESE 8 | SE 8 | SE 8 | SSW 11 | SSE 9 | SE 8 | SE 8 | S 12 | S 11 | S 12 | S 12 | S 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 352 | 256 | 136 | 59 | 37 | 186 | 273 | 224 | 191 | 946 | 437 | 304 | 404 | 766 | 335 | 196 | 290 | 198 | 181 | 660 | 502 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | cross-off | glassy | cross-on | glassy | cross-on | glassy | cross | cross-off | glassy | off | cross-off | cross | glassy | glassy | cross-on | on | cross-on | cross-on | cross |
High Tide | 2:53PM1.13m | 2:41AM1.26m | 3:10PM1.11m | 3:11AM1.25m | 3:29PM1.09m | 3:42AM1.21m | 3:49PM1.05m | 4:13AM1.13m | 4:09PM1.01m | 4:45AM1.03m | 4:31PM0.95m | 5:20AM0.92m | 4:54PM0.88m | ||||||||
Low Tide | 9:02PM0.25m | 9:25AM0.04m | 9:22PM0.21m | 9:48AM0.13m | 9:41PM0.19m | 10:09AM0.23m | 10:00PM0.18m | 10:26AM0.34m | 10:20PM0.21m | 10:38AM0.45m | 10:42PM0.26m | 10:38AM0.55m | 11:05PM0.35m | ||||||||
 |  |  | |  |  |  | |  | | | | | |  |  | | | | |  | |
 | 6:03 | — | — | 6:03 | — | — | 6:01 | — | — | 6:01 | — | — | 6:00 | — | — | 5:58 | — | — | 5:56 | — | — |
 | — | 5:54 | — | — | 5:54 | — | — | 5:54 | — | — | 5:55 | — | — | 5:55 | — | — | 5:55 | — | — | 5:55 | — |
mm | 1 | 1 | 4 | 3 | 3 | 8 | 6 | 8 | 1 | 2 | 6 | 9 | 1 | 2 | 1 | — | 2 | 8 | 2 | — | — |
Temp °C | 28 | 28 | 26 | 24 | 21 | 19 | 20 | 19 | 20 | 23 | 21 | 20 | 21 | 21 | 18 | 21 | 20 | 18 | 19 | 18 | 18 |
Feels °C | 31 | 32 | 28 | 27 | 23 | 21 | 22 | 21 | 23 | 26 | 25 | 22 | 22 | 22 | 20 | 23 | 20 | 18 | 19 | 18 | 19 |
Swell 1 Height (m) Direction Period (s) | S 13 | S 13 | S 12 | S 11 | E 8 | S 7 | S 8 | S 8 | SSE 7 | SE 8 | SE 8 | SE 8 | SE 9 | SSE 9 | SE 8 | SE 8 | SE 8 | S 11 | S 7 | S 12 | S 11 |
| kJ | 352 | 256 | 136 | 59 | 30 | 186 | 273 | 224 | 191 | 427 | 437 | 304 | 294 | 766 | 335 | 196 | 151 | 198 | 111 | 660 | 502 |
Swell 2 Height (m) Direction Period (s) | E 8 | SE 13 | E 4 | ESE 5 | S 11 | E 8 | ESE 11 | — | S 14 | S 13 | S 12 | S 11 | S 11 | S 11 | S 10 | S 13 | S 12 | — | S 12 | ESE 10 | — |
| kJ | 29 | 7 | 13 | 7 | 37 | 32 | 11 | — | 16 | 55 | 71 | 114 | 144 | 79 | 77 | 168 | 290 | — | 181 | 30 | — |
Swell 3 Height (m) Direction Period (s) | SE 13 | — | ESE 8 | E 8 | SE 12 | S 10 | — | — | S 14 | — | — | — | — | — | — | S 10 | E 13 | — | ESE 12 | — | — |
| kJ | 7 | — | 19 | 19 | 5 | 51 | — | — | 16 | — | — | — | — | — | — | 69 | 13 | — | 13 | — | — |
Wind waves Height (m) Direction Period (s) | — | ESE 8 | — | SW 3 | S 4 | — | ESE 8 | E 5 | E 5 | ESE 8 | — | — | SSW 11 | — | — | — | — | SE 8 | ESE 8 | ESE 8 | ESE 6 |
| kJ | — | 58 | — | 1 | 14 | — | 20 | 27 | 85 | 946 | — | — | 404 | — | — | — | — | 155 | 91 | 64 | 154 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 75 | 6 | 2 | 2 | 0 | 2 | 0 | 0 | 0 | 60 | 0 | 0 | 6 | 2 | 2 | 2 |
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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