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Praia dos Castelhanos (Ilha Bela) surfForecast / São Paulo / Brazil
48hr Weather and Surf, issued 8 pm Saturday 16 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
23.9° 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 1AM is: 0.9m 11s primary swell from a South-southeast direction and 0.1m 7s secondary swell from a East direction, 0.4m 3s secondary swell from a Northeast direction (forecast issued at 08:00pm May 16). The wind direction is predicted to be cross-shore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | 3ft (0.9m) | 11s |
| Afternoon (17 May) | 2.5ft (0.8m) | 11s |
| Evening (17 May) | 2.5ft (0.7m) | 11s |
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 ForecastHeavy rain (total 26mm), heaviest during Mon night. Warm (max 24°C on Sun morning, min 20°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Sat 16 | Sunday 17 | Monday 18 | Tuesday 19 | |||||||||||||||||||||
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 11 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | S 11 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | SSE 15 | SSE 15 | SSE 15 | SSE 16 | S 8 | S 8 | S 8 | SSE 20 | |
205 | 205 | 205 | 205 | 205 | 202 | 158 | 156 | 114 | 112 | 110 | 78 | 75 | 51 | 50 | 49 | 45 | 42 | 71 | 48 | 273 | 439 | 377 | 216 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross | cross-on | cross-on | off | cross-off | cross-off | off | cross | cross-on | cross-off | off | off | glassy | cross-off | off | off | off | off | off | off | off | off | |
High Tide | 2:22AM0.93m | 3:13PM1.16m | 2:48AM0.91m | 3:56PM1.10m | 3:17AM0.90m | |||||||||||||||||||
Low Tide | 9:15PM0.24m | 9:05AM0.06m | 10:01PM0.35m | 9:45AM0.06m | 10:47PM0.47m | 10:29AM0.09m | ||||||||||||||||||
 |  |  | | |  |  | |  | | | | |  | | | | |  | | | | | | |
 | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:30 | — | — | — |
 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:23 |
— | — | — | — | — | — | — | — | 1 | 1 | 1 | — | 2 | 2 | 1 | 1 | 3 | 1 | 6 | 2 | 1 | 1 | 1 | 1 | |
Temp °C | 22 | 22 | 21 | 21 | 22 | 23 | 24 | 22 | 21 | 21 | 22 | 23 | 21 | 22 | 22 | 22 | 22 | 21 | 20 | 20 | 20 | 20 | 20 | 20 |
24 | 23 | 23 | 22 | 24 | 25 | 25 | 21 | 23 | 22 | 23 | 26 | 22 | 25 | 25 | 24 | 23 | 21 | 19 | 18 | 19 | 19 | 19 | 19 | |
Swell 1 Height (m) Direction Period (s) | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | S 11 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | SSE 10 | SSE 10 | S 9 | SSE 13 | SSE 13 | S 8 | S 8 | S 8 |
 kJ | 205 | 205 | 205 | 205 | 205 | 202 | 158 | 156 | 114 | 112 | 110 | 78 | 75 | 51 | 50 | 49 | 31 | 31 | 43 | 34 | 35 | 228 | 219 | 182 |
Swell 2 Height (m) Direction Period (s) | E 8 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | ESE 4 | ESE 4 | E 7 | NE 3 | ENE 4 | ENE 4 | E 4 | SSE 16 | SSE 15 | SSE 15 | SSE 15 | SSE 16 | SSE 16 | SSE 13 | SSE 15 | SSE 20 |
| kJ | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 3 | 4 | 2 | 25 | 45 | 42 | 71 | 48 | 26 | 58 | 45 | 216 |
Swell 3 Height (m) Direction Period (s) | SE 13 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | WSW 3 | E 7 | S 18 | SE 4 | SE 17 | SE 16 | SSE 16 | — | — | E 7 | E 7 | E 7 | E 7 | SSE 16 | SSE 20 | SSE 15 |
| kJ | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 1 | 1 | 6 | 1 | 11 | 11 | 26 | — | — | 1 | 1 | 1 | 1 | 25 | 41 | 73 |
Wind waves Height (m) Direction Period (s) | — | ESE 5 | NE 2 | ENE 3 | ENE 3 | — | SW 2 | SW 3 | — | N 2 | N 3 | NNE 4 | — | W 2 | W 3 | SW 4 | SW 5 | SW 5 | SW 5 | SSW 9 | S 8 | S 8 | S 8 | SSW 7 |
| kJ | — | 5 | 2 | 2 | 2 | — | 1 | 2 | — | 1 | 4 | 7 | — | 1 | 1 | 10 | 25 | 30 | 25 | 213 | 273 | 439 | 377 | 81 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 10 | 10 | 10 | 10 | 10 | 0 | 0 | 52 | 0 | 18 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in São Paulo | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
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