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Praia dos Castelhanos (Ilha Bela) surfForecast / São Paulo / Brazil
48hr Weather and Surf, issued 2 pm Sunday 17 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
23.6° C
(Which is 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 7PM is: 0.7m 11s primary swell from a South-southeast direction and 0.1m 7s secondary swell from a East direction (forecast issued at 02:00pm May 17). The wind direction is predicted to be glassy.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | - | - |
| Afternoon (17 May) | 2.5ft (0.8m) | 11s |
| Evening (17 May) | 2.5ft (0.7m) | 11s |
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 30mm), heaviest during Sun night. Warm (max 23°C on Sun afternoon, min 20°C on Tue morning). Wind will be generally light. | ||||||||||||||||||||||||
Sun 17 | Monday 18 | Tuesday 19 | Wed 20 | |||||||||||||||||||||
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 11 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | S 10 | S 10 | S 10 | S 10 | S 10 | SSE 15 | SSE 15 | SSE 15 | SSE 16 | S 9 | S 8 | S 8 | S 8 | SSE 18 | SSE 18 | SSE 16 | SSE 16 | SSE 16 | SSE 15 | |
158 | 156 | 156 | 119 | 117 | 78 | 74 | 51 | 50 | 49 | 45 | 42 | 71 | 48 | 257 | 273 | 196 | 230 | 381 | 961 | 1137 | 1375 | 1479 | 1275 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | glassy | cross | cross-on | off | cross-off | cross-off | glassy | cross-off | cross-off | off | off | off | off | off | off | off | off | off | off | off | glassy | off | |
High Tide | 3:13PM1.16m | 2:48AM0.91m | 3:56PM1.10m | 3:17AM0.90m | 4:41PM1.00m | 3:49AM0.89m | ||||||||||||||||||
Low Tide | 9:05AM0.06m | 10:01PM0.35m | 9:45AM0.06m | 10:47PM0.47m | 10:29AM0.09m | 11:35PM0.57m | ||||||||||||||||||
 |  |  |  | | | | |  | | | | | |  |  |  | | | | | | |  | |
 | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — |
 | — | 5:24 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:23 | — | — | — | — | — | 5:23 |
— | 1 | 1 | 6 | 3 | 1 | 2 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | — | — | — | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
Temp °C | 25 | 23 | 22 | 21 | 21 | 22 | 22 | 22 | 23 | 23 | 22 | 21 | 21 | 21 | 21 | 21 | 20 | 21 | 21 | 21 | 20 | 20 | 20 | 21 |
27 | 25 | 25 | 22 | 20 | 24 | 25 | 25 | 26 | 25 | 23 | 21 | 21 | 20 | 20 | 20 | 19 | 21 | 22 | 22 | 21 | 21 | 22 | 23 | |
Swell 1 Height (m) Direction Period (s) | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | S 10 | S 10 | S 10 | S 10 | S 10 | SSE 10 | SSE 10 | SSE 10 | SSE 16 | SSE 13 | S 8 | S 8 | S 8 | SSE 8 | SSE 8 | SSE 16 | SSE 16 | SSE 16 | SSE 15 |
 kJ | 158 | 156 | 156 | 119 | 117 | 78 | 74 | 51 | 50 | 49 | 31 | 31 | 31 | 48 | 35 | 273 | 196 | 230 | 240 | 238 | 1137 | 1375 | 1479 | 1275 |
Swell 2 Height (m) Direction Period (s) | E 7 | E 7 | E 7 | E 7 | E 7 | NE 3 | NE 3 | ENE 4 | E 4 | SSE 16 | SSE 15 | SSE 15 | SSE 15 | SSE 13 | SSE 16 | SSE 13 | SSE 15 | SSE 19 | SSE 18 | SSE 18 | SSE 8 | SSE 7 | SE 7 | SE 7 |
| kJ | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 1 | 1 | 25 | 45 | 42 | 71 | 35 | 26 | 59 | 45 | 214 | 381 | 961 | 196 | 134 | 99 | 79 |
Swell 3 Height (m) Direction Period (s) | SE 12 | SE 12 | SE 12 | S 18 | S 18 | SE 5 | SE 17 | SE 16 | SSE 16 | E 4 | E 4 | E 4 | E 4 | — | E 7 | SSE 16 | SSE 20 | SSE 15 | SSE 14 | E 7 | SE 7 | S 8 | — | — |
| kJ | 6 | 6 | 6 | 6 | 6 | 1 | 11 | 11 | 26 | 1 | 1 | 2 | 2 | — | 1 | 25 | 40 | 73 | 165 | 4 | 112 | 121 | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | NE 4 | — | — | SW 2 | SW 4 | SW 5 | SW 5 | SSW 9 | S 9 | SSW 8 | W 3 | — | — | SE 7 | — | SE 7 | — | — |
| kJ | — | — | — | — | — | — | 3 | — | — | 1 | 18 | 27 | 22 | 173 | 257 | 450 | 6 | — | — | 137 | — | 143 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 12 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in São Paulo | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
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