- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
Praia dos Castelhanos (Ilha Bela) surfForecast / São Paulo / Brazil
48hr Weather and Surf, issued 2 pm Thursday 21 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
24.1° C
(Which is 1.2°C warmer than normal for this time of year)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: 2.2m 16s primary swell from a South-southeast direction and 0.2m 8s secondary swell from a East direction (forecast issued at 02:00pm May 21). The wind direction is predicted to be cross-shore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | - | - |
| Afternoon (21 May) | 7ft (2.1m) | 16s |
| Evening (21 May) | 7.5ft (2.3m) | 15s |
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 61mm), heaviest during Sat afternoon. Warm (max 21°C on Sun morning, min 19°C on Thu afternoon). Wind will be generally light. | ||||||||||||||||||||||||
Thu 21 | Friday 22 | Saturday 23 | Sun 24 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SSE 15 | SSE 16 | SSE 15 | SSE 15 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 15 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSE 13 | SSE 13 | SSE 13 | SSE 12 | SSE 12 | SSE 12 | |
1652 | 2080 | 2218 | 2203 | 2144 | 1913 | 1886 | 1728 | 1613 | 1591 | 1614 | 1464 | 1496 | 1336 | 1138 | 961 | 778 | 781 | 507 | 499 | 411 | 318 | 308 | 303 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-off | cross | cross | cross-on | glassy | on | on | on | cross-on | on | on | cross-on | cross-on | cross-on | cross | cross-off | off | off | off | off | cross-off | cross-off | glassy | |
High Tide | 6:29PM0.80m | 5:13AM0.85m | 10:55PM0.77m | 6:16AM0.81m | 11:25PM0.78m | 7:53AM0.78m | ||||||||||||||||||
Low Tide | 12:26PM0.21m | 1:28AM0.68m | 1:41PM0.27m | 2:35AM0.67m | 2:55PM0.31m | 3:41AM0.61m | ||||||||||||||||||
 | |  |  | | | | | |  | | |  | | |  | |  |  | | |  | |  | |
 | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:31 | — |
 | — | 5:23 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | 5:22 |
— | — | — | 1 | — | — | — | — | — | 1 | 1 | 1 | — | — | — | — | 1 | 18 | 12 | 18 | 5 | 1 | 1 | 1 | |
Temp °C | 21 | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 19 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 20 | 20 |
20 | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 19 | 18 | 19 | 19 | 20 | 19 | 21 | 20 | 19 | 19 | 20 | 20 | 20 | 22 | 23 | |
Swell 1 Height (m) Direction Period (s) | SSE 15 | SSE 16 | SSE 15 | SSE 15 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 15 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSE 13 | SSE 13 | SSE 13 | SSE 12 | SSE 12 | SSE 12 |
 kJ | 1652 | 2080 | 2218 | 2203 | 2144 | 1913 | 1886 | 1728 | 1613 | 1591 | 1614 | 1464 | 1496 | 1336 | 1138 | 961 | 778 | 781 | 507 | 499 | 411 | 318 | 308 | 303 |
Swell 2 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 |
| kJ | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 1 | 51 | 52 | 47 | 47 | 41 | 31 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSE 7 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 31 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | E 3 | E 4 | ENE 4 | ENE 4 | ENE 4 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 5 | 13 | 16 | 12 | 12 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 36 | 45 | 0 | 36 | 26 | 26 | 26 | 26 | 26 | 29 | 36 | 29 | 26 | 18 | 10 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in São Paulo | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Praia dos Castelhanos (Ilha Bela) surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest