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Praia dos Castelhanos (Ilha Bela) surfForecast / São Paulo / Brazil
48hr Weather and Surf, issued 8 am Monday 20 Apr 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
24.2° C
(Which is slightly cooler than normal)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: 0.7m 8s primary swell from a South direction and 0.5m 10s secondary swell from a Southeast direction (forecast issued at 08:00am April 20). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Apr) | 2ft (0.6m) | 9s |
| Afternoon (20 Apr) | 2ft (0.6m) | 10s |
| Evening (20 Apr) | 2ft (0.6m) | 10s |
Table - waves today at Praia dos Castelhanos (Ilha Bela). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 20 | Tuesday 21 | Wednesday 22 | Thu 23 | |||||||||||||||||||||
| 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 9 | 8 | 10 | 8 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 74 | 67 | 51 | 77 | 63 | 64 | 68 | 79 | 45 | 74 | 96 | 98 | 76 | 94 | 80 | 78 | 75 | 56 | 55 | 54 | 54 | 39 | 37 | 28 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | cross- off | cross- off | cross- off | off | cross- off | cross- off | off | glass | cross | cross- on | on | cross- on | glass | cross | cross- off | glass | on | cross- on | on | cross- on | cross | cross |
High Tide / height (m) | 3:34AM 0.92 | 4:32PM 1.05 | 3:59AM 0.87 | 5:18PM 0.92 | 4:27AM 0.83 | 6:20PM 0.79 | 11:10PM 0.78 | |||||||||||||||||
Low Tide / height (m) | 10:21AM 0.14 | 11:31PM 0.52 | 11:00AM 0.20 | 12:36AM 0.65 | 12:10PM 0.28 | 8:49PM 0.75 | 2:15AM 0.72 | |||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | Thu 23 | |||||||||||||||||||||
| Sunrise | - | 6:16 | - | - | - | - | - | - | - | 6:16 | - | - | - | - | - | - | - | 6:16 | - | - | - | - | - | - |
| Sunset | - | - | - | 5:43 | - | - | - | - | - | - | - | 5:42 | - | - | - | - | - | - | - | 5:40 | - | - | - | - |
 |  | | | | | | | |  | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 21 | 23 | 24 | 24 | 23 | 22 | 21 | 21 | 21 | 23 | 23 | 24 | 23 | 22 | 21 | 20 | 20 | 22 | 23 | 23 | 22 | 21 | 20 | 20 |
| Feels °C (?) | 22 | 24 | 25 | 24 | 24 | 23 | 22 | 22 | 21 | 24 | 24 | 25 | 24 | 23 | 23 | 21 | 21 | 24 | 24 | 22 | 23 | 22 | 21 | 21 |
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Ocean Swells (m)- Wind Speed (km/h)
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