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Praia dos Castelhanos (Ilha Bela) surfForecast / São Paulo / Brazil
48hr Weather and Surf, issued 2 am Tuesday 19 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 8AM is: 1.2m 8s primary swell from a South direction and 0.4m 13s secondary swell from a South-southeast direction (forecast issued at 02:00am May 19). An open ocean swell of 1.3m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 May) | 4ft (1.2m) | 8s |
| Afternoon (19 May) | 1.5ft (0.5m) | 19s |
| Evening (19 May) | 4.5ft (1.3m) | 18s |
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 Wed night. Warm (max 22°C on Wed morning, min 19°C on Thu afternoon). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 19 | Wednesday 20 | Thursday 21 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
SSE 15 | SSE 16 | SSE 13 | S 8 | S 8 | SSE 19 | SSE 18 | SSE 18 | SSE 16 | SSE 16 | SSE 16 | SSE 15 | SSE 14 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSE 14 | SSE 14 | SSE 15 | SSE 15 | SSE 16 | SSE 16 | SSE 15 | |
71 | 48 | 59 | 163 | 135 | 214 | 381 | 961 | 1137 | 1762 | 1644 | 1312 | 1143 | 799 | 646 | 531 | 531 | 704 | 1031 | 1223 | 1441 | 2080 | 2247 | 2021 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | cross-off | cross-off | off | off | off | off | off | off | off | off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | |
High Tide | 3:17AM0.90m | 4:41PM1.00m | 3:49AM0.89m | 5:29PM0.90m | 4:26AM0.88m | 6:29PM0.80m | ||||||||||||||||||
Low Tide | 10:29AM0.09m | 11:35PM0.57m | 11:22AM0.14m | 00:27AM0.64m | 12:26PM0.21m | |||||||||||||||||||
 |  | |  | |  |  | | | | |  | | | | | | | | | | | | | |
 | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — |
 | — | — | — | — | — | 5:23 | — | — | — | — | — | — | — | 5:23 | — | — | — | — | — | — | — | 5:23 | — | — |
— | 1 | 2 | 1 | 1 | — | — | — | — | — | — | — | — | — | 1 | — | 1 | 1 | 2 | 1 | 1 | — | — | 1 | |
Temp °C | 21 | 21 | 20 | 20 | 20 | 21 | 20 | 20 | 20 | 20 | 20 | 21 | 22 | 22 | 21 | 20 | 20 | 20 | 20 | 20 | 20 | 19 | 19 | 19 |
21 | 21 | 19 | 20 | 20 | 21 | 20 | 20 | 20 | 20 | 20 | 22 | 23 | 23 | 22 | 21 | 22 | 21 | 20 | 19 | 19 | 19 | 19 | 19 | |
Swell 1 Height (m) Direction Period (s) | SSE 10 | SSE 16 | SSE 13 | S 8 | S 8 | S 8 | S 8 | SSE 18 | SSE 16 | SSE 16 | SSE 16 | SSE 15 | SSE 14 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSE 14 | SSE 14 | SSE 15 | SSE 15 | SSE 16 | SSE 16 | SSE 15 |
 kJ | 31 | 48 | 59 | 163 | 135 | 111 | 118 | 961 | 1137 | 1762 | 1644 | 1312 | 1143 | 799 | 646 | 531 | 531 | 704 | 1031 | 1223 | 1441 | 2080 | 2247 | 2021 |
Swell 2 Height (m) Direction Period (s) | SSE 15 | SSE 13 | SSE 16 | SSE 13 | SSE 15 | SSE 19 | SSE 18 | SSE 8 | SSE 8 | E 7 | E 7 | E 7 | E 7 | E 8 | SSE 6 | SE 6 | SE 6 | SE 5 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
| kJ | 71 | 34 | 26 | 59 | 45 | 214 | 381 | 99 | 96 | 4 | 4 | 4 | 4 | 5 | 22 | 20 | 19 | 10 | 1 | 4 | 4 | 4 | 10 | 12 |
Swell 3 Height (m) Direction Period (s) | E 7 | E 7 | E 7 | SSE 16 | SSE 12 | SSE 15 | SSE 14 | E 7 | E 7 | — | — | — | E 7 | — | E 8 | E 8 | E 8 | E 8 | — | — | — | — | — | — |
| kJ | 1 | 1 | 1 | 25 | 29 | 73 | 165 | 4 | 4 | — | — | — | 4 | — | 1 | 1 | 5 | 1 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 5 | SSW 9 | SSW 8 | SSW 8 | — | — | — | — | — | — | — | — | — | SSE 6 | — | — | — | — | SE 5 | SE 5 | SSE 5 | — | — | — |
| kJ | 13 | 129 | 212 | 345 | — | — | — | — | — | — | — | — | — | 24 | — | — | — | — | 14 | 10 | 30 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 37 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 18 | 36 | 45 | 52 | 37 | 29 | 36 | 36 |
Best forecast wave conditions in São Paulo | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
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