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Praia dos Castelhanos (Ilha Bela) surfForecast / São Paulo / Brazil
48hr Weather and Surf, issued 2 am Friday 17 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
24.1° C
(Which is 1.1°C colder than average 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 7AM is: 0.7m 7s primary swell from a Southeast direction and 0.4m 12s secondary swell from a South-southeast direction (forecast issued at 02:00am April 17). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Apr) | 2.5ft (0.7m) | 7s |
| Afternoon (17 Apr) | 2.5ft (0.7m) | 7s |
| Evening (17 Apr) | 2.5ft (0.7m) | 8s |
Table - waves today at Praia dos Castelhanos (Ilha Bela). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 17 | Saturday 18 | Sunday 19 | ||||||||||||||||||||||
| 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 | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 7 | 7 | 7 | 7 | 7 | 7 | 11 | 8 | 11 | 8 | 10 | 10 | 10 | 10 | 9 | 9 | 10 | 9 | 9 | 9 | 9 | 10 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 64 | 64 | 55 | 54 | 54 | 54 | 69 | 68 | 66 | 65 | 72 | 141 | 115 | 113 | 65 | 65 | 74 | 70 | 51 | 53 | 53 | 49 | 106 | 103 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | on | on | cross- on | cross- on | cross- on | cross- on | cross | glass | cross- on | glass | cross- on | off | off | off | off | off | cross- off | cross- on | cross- on | glass |
High Tide / height (m) | 2:35PM 1.23 | 2:47AM 1.03 | 3:11PM 1.21 | 3:10AM 0.97 | 3:50PM 1.15 | |||||||||||||||||||
Low Tide / height (m) | 8:46AM 0.12 | 9:21PM 0.10 | 9:18AM 0.10 | 10:01PM 0.22 | 9:49AM 0.11 | |||||||||||||||||||
Friday 17 | Saturday 18 | Sunday 19 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:15 | - | - | - | - | - | - | - | 6:16 | - | - | - | - | - | - | - | 6:16 | - | - | - | - |
| Sunset | - | - | - | - | - | 5:45 | - | - | - | - | - | - | - | 5:44 | - | - | - | - | - | - | - | 5:43 | - | - |
 | | |  | | | | | | | | |  | |  | |  | | | | | |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | 1 | - | 1 | - | - | - | - | - | - | - |
| Temp. °C | 22 | 22 | 22 | 23 | 25 | 25 | 23 | 23 | 23 | 23 | 24 | 26 | 25 | 24 | 23 | 23 | 22 | 22 | 22 | 24 | 25 | 25 | 24 | 23 |
| Feels °C (?) | 23 | 24 | 23 | 24 | 26 | 26 | 25 | 24 | 24 | 24 | 25 | 28 | 26 | 26 | 25 | 25 | 23 | 22 | 22 | 26 | 27 | 26 | 26 | 25 |
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