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Praia dos Castelhanos (Ilha Bela) surfForecast / São Paulo / Brazil
48hr Weather and Surf, issued 8 pm Sunday 10 May 2026 -03Forecast update in hr min s Forecast update imminent
Praia dos Castelhanos (Ilha Bela) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Praia dos Castelhanos (Ilha Bela) sea temperature is
24.5° C
(Which is slightly warmer than usual)How big are the waves at Praia dos Castelhanos (Ilha Bela) today?
The current surf forecast for Praia dos Castelhanos (Ilha Bela) at 4AM is: 1.2m 17s primary swell from a South-southeast direction and 0.7m 12s secondary swell from a South direction, 0.8m 7s secondary swell from a South direction (forecast issued at 08:00pm May 10). The wind direction is predicted to be cross-offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 May) | 6ft (1.9m) | 16s |
| Afternoon (11 May) | 6.5ft (2.0m) | 15s |
| Evening (11 May) | 7ft (2.2m) | 16s |
Table - waves today at Praia dos Castelhanos (Ilha Bela). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 5mm), mostly falling on Sun night. Warm (max 22°C on Wed morning, min 17°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sun 10 | Monday 11 | Tuesday 12 | Wednesday 13 | |||||||||||||||||||||
6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SSE 12 | SSE 19 | SSE 18 | SSE 17 | S 16 | S 16 | SSE 16 | S 15 | SSE 15 | SSE 16 | SSE 16 | SSE 15 | SSE 15 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSE 13 | SSE 13 | |
46 | 203 | 329 | 603 | 1204 | 1811 | 1776 | 1811 | 1850 | 2195 | 2398 | 2216 | 1948 | 1921 | 1728 | 1680 | 1680 | 1505 | 1462 | 1233 | 1074 | 943 | 823 | 599 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | glassy | glassy | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | glassy | cross-on | cross-on | |
High Tide | 11:28PM0.91m | 10:34AM0.84m | 00:04AM0.98m | 11:37AM0.94m | 00:36AM1.01m | 12:24PM1.03m | ||||||||||||||||||
Low Tide | 4:08PM0.26m | 4:55AM0.45m | 5:09PM0.19m | 5:46AM0.36m | 6:03PM0.13m | 6:30AM0.28m | ||||||||||||||||||
 | | | | |  | |  |  | | | | | | | | | | | | | | | | |
 | — | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:26 | — | — | — |
 | — | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — | — | 5:27 |
1 | 1 | 1 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 18 | 18 | 17 | 18 | 18 | 18 | 20 | 20 | 19 | 18 | 17 | 17 | 17 | 19 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 21 | 22 | 22 |
16 | 17 | 16 | 17 | 16 | 15 | 18 | 19 | 18 | 18 | 17 | 17 | 18 | 19 | 19 | 18 | 17 | 17 | 18 | 19 | 19 | 22 | 23 | 23 | |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | S 7 | SSE 17 | S 16 | S 16 | SSE 16 | S 15 | SSE 15 | SSE 16 | SSE 16 | SSE 15 | SSE 15 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSE 13 | SSE 13 |
 kJ | 35 | 36 | 99 | 603 | 1204 | 1811 | 1776 | 1811 | 1850 | 2195 | 2398 | 2216 | 1948 | 1921 | 1728 | 1680 | 1680 | 1505 | 1462 | 1233 | 1074 | 943 | 823 | 599 |
Swell 2 Height (m) Direction Period (s) | SSE 12 | SSE 19 | SSE 18 | S 12 | ESE 8 | ESE 8 | ESE 8 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 |
| kJ | 46 | 203 | 329 | 132 | 24 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 |
Swell 3 Height (m) Direction Period (s) | SSE 20 | SSE 12 | S 12 | ESE 8 | — | — | — | — | — | — | — | — | SE 13 | SE 13 | SE 13 | SE 16 | ESE 16 | ESE 15 | ESE 16 | ESE 15 | ESE 15 | ESE 15 | ESE 14 | E 4 |
| kJ | 38 | 47 | 76 | 24 | — | — | — | — | — | — | — | — | 7 | 7 | 7 | 10 | 25 | 23 | 24 | 23 | 21 | 21 | 21 | 1 |
Wind waves Height (m) Direction Period (s) | SSW 7 | S 7 | SSW 7 | S 7 | SSW 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 151 | 150 | 225 | 58 | 80 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 52 | 0 | 0 | 0 | 36 | 45 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 45 | 37 | 18 | 18 | 18 | 10 | 10 | 0 | 54 | 18 |
Best forecast wave conditions in São Paulo | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
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