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Praia dos Castelhanos (Ilha Bela) surfForecast / São Paulo / Brazil
48hr Weather and Surf, issued 2 am 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 11AM is: 0.9m 11s primary swell from a South direction and 0.3m 14s secondary swell from a South-southeast direction (forecast issued at 02:00am May 16). The wind direction is predicted to be onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 May) | 3ft (0.9m) | 11s |
| Afternoon (16 May) | 2.5ft (0.8m) | 11s |
| Evening (16 May) | 3ft (0.9m) | 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 ForecastModerate rain (total 12mm), heaviest on Mon morning. Warm (max 23°C on Sun morning, min 21°C on Sat morning). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 16 | Sunday 17 | Monday 18 | ||||||||||||||||||||||
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 | 6 PM | 9 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | S 10 | S 10 | S 10 | S 10 | S 10 | SSE 15 | S 9 | |
347 | 271 | 244 | 191 | 195 | 154 | 205 | 205 | 205 | 217 | 217 | 161 | 158 | 156 | 133 | 130 | 88 | 78 | 53 | 51 | 50 | 49 | 45 | 45 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | glassy | glassy | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross | off | cross-off | off | cross | cross-on | glassy | off | cross-off | cross-off | cross | glassy | cross-off | cross-off | |
High Tide | 2:31PM1.19m | 2:22AM0.93m | 3:13PM1.16m | 2:48AM0.91m | 3:56PM1.10m | |||||||||||||||||||
Low Tide | 8:27AM0.09m | 9:15PM0.24m | 9:05AM0.06m | 10:01PM0.35m | 9:45AM0.06m | |||||||||||||||||||
 |  | |  | |  | | | | | |  |  | |  |  | | | | | | | | | |
 | — | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — |
 | — | — | — | — | — | 5:25 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:24 | — | — |
— | — | — | — | — | — | — | — | — | — | — | 1 | — | 2 | 1 | — | — | — | — | 1 | 3 | 1 | — | 1 | |
Temp °C | 21 | 20 | 20 | 21 | 22 | 22 | 21 | 21 | 22 | 21 | 21 | 21 | 23 | 21 | 21 | 22 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 22 |
24 | 23 | 23 | 24 | 23 | 23 | 22 | 22 | 24 | 22 | 23 | 22 | 25 | 22 | 22 | 23 | 26 | 24 | 22 | 24 | 25 | 25 | 24 | 25 | |
Swell 1 Height (m) Direction Period (s) | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | S 10 | S 10 | S 10 | S 10 | S 10 | SSE 10 | S 9 |
 kJ | 347 | 271 | 244 | 191 | 195 | 154 | 205 | 205 | 205 | 217 | 217 | 161 | 158 | 156 | 133 | 130 | 88 | 78 | 53 | 51 | 50 | 49 | 31 | 45 |
Swell 2 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | SSE 14 | SSE 13 | E 8 | E 7 | E 7 | E 7 | E 7 | E 7 | E 4 | SSE 5 | SSE 5 | S 18 | ENE 4 | ENE 4 | E 4 | ESE 4 | SSE 16 | SSE 16 | SSE 15 | SSE 15 |
| kJ | 5 | 5 | 5 | 5 | 36 | 35 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 5 | 5 | 6 | 2 | 3 | 1 | 2 | 26 | 25 | 45 | 42 |
Swell 3 Height (m) Direction Period (s) | SE 13 | SE 13 | SE 13 | SE 13 | E 8 | E 8 | SE 13 | SE 12 | SE 12 | SE 12 | E 7 | E 7 | E 7 | E 4 | E 7 | E 7 | S 18 | ESE 5 | SE 5 | SE 16 | E 4 | — | SE 5 | E 7 |
| kJ | 7 | 7 | 7 | 7 | 5 | 4 | 6 | 6 | 6 | 6 | 4 | 4 | 1 | 1 | 1 | 1 | 6 | 2 | 1 | 11 | 1 | — | 1 | 1 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | ESE 5 | ENE 2 | NE 3 | ENE 4 | — | — | — | E 4 | NE 3 | — | — | — | SW 3 | SW 3 | SW 4 | SW 4 | SW 5 |
| kJ | — | — | — | — | — | — | — | 8 | 1 | 4 | 5 | — | — | — | 1 | 3 | — | — | — | 2 | 4 | 4 | 6 | 18 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 45 | 45 | 12 | 18 | 10 | 10 | 10 | 0 | 0 | 0 | 10 | 10 | 0 | 0 | 45 | 0 | 10 | 0 | 0 | 0 |
Best forecast wave conditions in São Paulo | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
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