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Praia dos Castelhanos (Ilha Bela) surfForecast / São Paulo / Brazil
48hr Weather and Surf, issued 2 pm 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 5PM is: 0.8m 18s primary swell from a South-southeast direction and 1.1m 8s secondary swell from a South direction (forecast issued at 02:00pm May 19). The wind direction is predicted to be offshore and the swell rating is 3.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 May) | - | - |
| 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 ForecastLight rain (total 9mm), mostly falling on Wed morning. Warm (max 21°C on Wed morning, min 19°C on Thu afternoon). Wind will be generally light. | ||||||||||||||||||||||||
Tue 19 | Wednesday 20 | Thursday 21 | Fri 22 | |||||||||||||||||||||
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 | 6 AM | 9 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
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 15 | SSE 15 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | |
138 | 214 | 381 | 961 | 1616 | 1708 | 1644 | 1312 | 1143 | 799 | 646 | 531 | 642 | 704 | 994 | 1367 | 1798 | 2080 | 2218 | 2021 | 1966 | 1773 | 1704 | 1569 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | off | off | off | off | off | cross-off | cross-off | cross | cross | cross-off | cross | cross | cross | cross | cross-off | cross-on | cross-on | on | on | on | cross-on | |
High Tide | 4:41PM1.00m | 3:49AM0.89m | 5:29PM0.90m | 4:26AM0.88m | 6:29PM0.80m | 5:13AM0.85m | ||||||||||||||||||
Low Tide | 10:29AM0.09m | 11:35PM0.57m | 11:22AM0.14m | 00:27AM0.64m | 12:26PM0.21m | 1:28AM0.68m | ||||||||||||||||||
 |  |  | | | | |  | | |  | | |  | |  | | | | | | | | | |
 | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:31 | — |
 | — | 5:23 | — | — | — | — | — | — | — | 5:23 | — | — | — | — | — | — | — | 5:23 | — | — | — | — | — | 5:22 |
— | — | — | — | — | — | — | 1 | 1 | — | — | — | — | 1 | 1 | 1 | 1 | — | — | 1 | — | 1 | 1 | — | |
Temp °C | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 19 |
20 | 19 | 19 | 19 | 20 | 21 | 21 | 22 | 22 | 22 | 23 | 21 | 21 | 21 | 20 | 19 | 19 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | |
Swell 1 Height (m) Direction Period (s) | S 8 | SSE 19 | 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 15 | SSE 15 | SSE 14 | SSE 14 | SSE 14 | SSE 14 |
 kJ | 138 | 214 | 138 | 961 | 1616 | 1708 | 1644 | 1312 | 1143 | 799 | 646 | 531 | 642 | 704 | 994 | 1367 | 1798 | 2080 | 2218 | 2021 | 1966 | 1773 | 1704 | 1569 |
Swell 2 Height (m) Direction Period (s) | SSE 15 | SSE 15 | SSE 18 | S 8 | SSW 8 | S 8 | E 7 | E 7 | E 7 | SE 6 | SE 6 | SE 6 | E 8 | SE 5 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
| kJ | 45 | 73 | 381 | 137 | 202 | 142 | 4 | 4 | 4 | 18 | 16 | 15 | 1 | 10 | 1 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
Swell 3 Height (m) Direction Period (s) | SSE 12 | S 12 | SSE 14 | E 7 | E 7 | E 7 | — | — | E 8 | — | E 8 | E 8 | E 8 | E 8 | — | — | — | — | — | — | — | — | — | — |
| kJ | 29 | 25 | 165 | 4 | 4 | 4 | — | — | 5 | — | 5 | 1 | 5 | 1 | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSW 8 | S 8 | SSW 8 | SSW 8 | — | — | — | — | — | — | — | — | — | — | SSE 4 | — | — | — | — | — | — | — | — | — |
| kJ | 162 | 138 | 280 | 246 | — | — | — | — | — | — | — | — | — | — | 13 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 18 | 0 | 36 | 45 | 52 | 45 | 0 | 36 | 36 | 29 | 26 | 29 | 12 |
Best forecast wave conditions in São Paulo | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
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