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Praia dos Castelhanos (Ilha Bela) surfForecast / São Paulo / Brazil
48hr Weather and Surf, issued 8 am 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 4PM is: 0.5m 12s primary swell from a South direction and 0.6m 8s secondary swell from a East-southeast direction (forecast issued at 08:00am May 10). An open ocean swell of 1.2m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 May) | 2ft (0.6m) | 12s |
| Afternoon (10 May) | 3.5ft (1.1m) | 8s |
| Evening (10 May) | 4ft (1.2m) | 8s |
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 ForecastModerate rain (total 11mm), heaviest on Sun night. Warm (max 20°C on Sun morning, min 18°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 10 | Monday 11 | Tuesday 12 | Wed 13 | |||||||||||||||||||||
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 | 6 PM | 9 PM | 12 AM | 3 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
ESE 9 | S 12 | S 8 | S 8 | S 12 | S 8 | SSE 18 | SSE 17 | S 16 | SSE 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 | |
77 | 101 | 149 | 145 | 71 | 203 | 329 | 603 | 1688 | 1845 | 1776 | 1811 | 1850 | 2195 | 2195 | 2029 | 1948 | 1752 | 1728 | 1704 | 1680 | 1526 | 1505 | 1284 | |
Wind (km/h) | ||||||||||||||||||||||||
off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-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 | |
High Tide | 8:33AM0.77m | 11:28PM0.91m | 10:34AM0.84m | 00:04AM0.98m | 11:37AM0.94m | 00:36AM1.01m | ||||||||||||||||||
Low Tide | 3:55AM0.52m | 4:08PM0.26m | 4:55AM0.45m | 5:09PM0.19m | 5:46AM0.36m | 6:03PM0.13m | ||||||||||||||||||
 |  |  |  |  | | | | | | | |  | |  | | |  | | | | | | | |
 | 6:24 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — | 6:26 |
 | — | — | — | 5:29 | — | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — | — | 5:28 | — | — | — | 5:27 |
1 | 1 | — | 1 | 1 | 1 | 3 | 3 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 20 | 20 | 20 | 19 | 19 | 18 | 18 | 18 | 19 | 19 | 20 | 20 | 19 | 19 | 18 | 18 | 18 | 19 | 20 | 20 | 19 | 19 | 19 | 19 |
19 | 19 | 19 | 16 | 18 | 17 | 17 | 17 | 17 | 17 | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 18 | 17 | 17 | 18 | 19 | |
Swell 1 Height (m) Direction Period (s) | ESE 9 | ESE 8 | ESE 8 | ESE 8 | E 8 | E 8 | S 7 | SSE 17 | S 16 | SSE 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 |
 kJ | 77 | 75 | 73 | 54 | 50 | 36 | 127 | 603 | 1688 | 1845 | 1776 | 1811 | 1850 | 2195 | 2195 | 2029 | 1948 | 1752 | 1728 | 1704 | 1680 | 1526 | 1505 | 1284 |
Swell 2 Height (m) Direction Period (s) | S 12 | S 12 | S 12 | S 12 | S 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 | E 9 | ESE 9 |
| kJ | 73 | 101 | 69 | 69 | 71 | 203 | 329 | 132 | 23 | 24 | 24 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 14 | 16 |
Swell 3 Height (m) Direction Period (s) | — | SSW 9 | — | S 21 | SSE 20 | SSE 12 | S 12 | ESE 8 | — | — | — | — | — | — | — | — | SE 13 | SE 13 | SE 13 | SE 16 | ESE 16 | ESE 15 | ESE 16 | ESE 15 |
| kJ | — | 28 | — | 9 | 38 | 47 | 76 | 24 | — | — | — | — | — | — | — | — | 7 | 7 | 7 | 10 | 25 | 23 | 24 | 23 |
Wind waves Height (m) Direction Period (s) | SW 4 | SSW 6 | S 8 | S 8 | SSW 7 | S 8 | SSW 7 | S 7 | SSW 11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | ENE 9 |
| kJ | 28 | 68 | 149 | 145 | 187 | 160 | 268 | 97 | 672 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 64 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 55 | 52 | 234 | 45 | 36 | 0 | 0 | 37 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 45 | 37 | 18 | 18 | 18 | 10 |
Best forecast wave conditions in São Paulo | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
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