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Praia dos Castelhanos (Ilha Bela) surfForecast / São Paulo / Brazil
48hr Weather and Surf, issued 8 pm Saturday 09 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
24.9° 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 4AM is: 0.5m 12s primary swell from a South direction and 0.7m 8s secondary swell from a East-southeast direction (forecast issued at 08:00pm May 09). An open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 May) | 2.5ft (0.7m) | 12s |
| Afternoon (10 May) | 1.5ft (0.5m) | 12s |
| Evening (10 May) | 4ft (1.2m) | 8s |
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 19mm), heaviest on Sun night. Warm (max 24°C on Sat night, min 18°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sat 9 | Sunday 10 | Monday 11 | Tuesday 12 | |||||||||||||||||||||
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 | 12 PM | 3 PM | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
S 12 | S 12 | S 12 | S 12 | ESE 9 | S 12 | S 12 | S 12 | S 12 | S 8 | SSE 18 | SSE 17 | S 16 | SSE 16 | S 16 | S 15 | SSE 15 | SSE 16 | SSE 16 | SSE 15 | SSE 15 | SSE 14 | SSE 14 | SSE 14 | |
77 | 75 | 75 | 73 | 77 | 132 | 73 | 69 | 71 | 203 | 329 | 603 | 1714 | 1845 | 1960 | 1811 | 2029 | 2429 | 2429 | 2083 | 1974 | 1921 | 1895 | 1680 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | glassy | glassy | on | on | on | |
High Tide | 10:38PM0.83m | 8:33AM0.77m | 11:28PM0.91m | 10:34AM0.84m | 00:04AM0.98m | 11:37AM0.94m | ||||||||||||||||||
Low Tide | 3:55AM0.52m | 4:08PM0.26m | 4:55AM0.45m | 5:09PM0.19m | 5:46AM0.36m | |||||||||||||||||||
 |  |  | | |  |  |  |  | | | | | | | |  | | | | | |  | | |
 | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:26 | — | — | — |
 | — | — | — | — | — | — | — | 5:29 | — | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — | — | 5:28 |
— | 1 | 1 | 2 | 1 | 1 | — | 2 | 3 | 2 | 4 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 24 | 24 | 22 | 22 | 20 | 20 | 20 | 20 | 19 | 19 | 18 | 19 | 18 | 19 | 20 | 20 | 19 | 19 | 18 | 18 | 19 | 20 | 21 | 21 |
27 | 27 | 24 | 22 | 19 | 19 | 19 | 19 | 17 | 18 | 18 | 18 | 16 | 17 | 19 | 18 | 18 | 19 | 18 | 18 | 19 | 19 | 19 | 19 | |
Swell 1 Height (m) Direction Period (s) | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 9 | ESE 8 | ESE 8 | ESE 8 | E 8 | S 8 | SSE 18 | SSE 17 | S 16 | SSE 16 | S 16 | S 15 | SSE 15 | SSE 16 | SSE 16 | SSE 15 | SSE 15 | SSE 14 | SSE 14 | SSE 14 |
 kJ | 62 | 67 | 67 | 70 | 77 | 96 | 73 | 54 | 50 | 160 | 329 | 603 | 1714 | 1845 | 1960 | 1811 | 2029 | 2429 | 2429 | 2083 | 1974 | 1921 | 1895 | 1680 |
Swell 2 Height (m) Direction Period (s) | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | E 8 | E 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 |
| kJ | 77 | 75 | 75 | 73 | 73 | 132 | 69 | 69 | 71 | 36 | 36 | 24 | 24 | 24 | 24 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
Swell 3 Height (m) Direction Period (s) | SSW 3 | S 4 | SSW 8 | SSW 8 | SSW 8 | SSW 9 | — | S 21 | SSE 20 | SSE 19 | S 12 | E 8 | — | E 8 | — | — | — | — | — | — | SE 13 | SE 13 | SE 13 | SE 16 |
| kJ | 4 | 2 | 7 | 6 | 12 | 28 | — | 9 | 38 | 203 | 76 | 49 | — | 34 | — | — | — | — | — | — | 7 | 7 | 7 | 10 |
Wind waves Height (m) Direction Period (s) | SW 3 | S 4 | S 4 | S 4 | SSW 4 | SSW 12 | SSW 8 | SSW 8 | SSW 7 | SSW 7 | S 7 | S 12 | S 10 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 3 | 8 | 8 | 13 | 14 | 298 | 159 | 186 | 206 | 344 | 127 | 446 | 644 | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 26 | 29 | 0 | 45 | 0 | 52 | 75 | 348 | 52 | 0 | 0 | 0 | 45 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 37 | 37 |
Best forecast wave conditions in São Paulo | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
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