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Praia dos Castelhanos (Ilha Bela) surfForecast / São Paulo / Brazil
12 Day Weather and Surf, issued 2 pm Thursday 08 May 2025 -03
Best Forecast Surf Conditions for Praia dos Castelhanos (Ilha Bela) this week:
The surf forecast for Praia dos Castelhanos (Ilha Bela) over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (May 09) at 6AM. The primary swell is predicted to be 0.8m and 7s period with a secondary swell of 0.4m and 11s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Praia dos Castelhanos (Ilha Bela) in the next 12 days are 1.6m 8s and forecast to arrive on Thursday (May 15) at 6AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 3s period and expected on Saturday (May 10) at 12PM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Fri 9th May) | 2.5ft (0.8m) 7s |
| Best Surf | 6AM (Fri 9th May) | 2.5ft (0.8m) 7s |
| Most Powerful | 6AM (Thu 15th May) | 5ft (1.6m) 8s |
Table - best surf conditions forecast for Praia dos Castelhanos (Ilha Bela) over the next 12 days.
Thu 08 | Friday 09 | Saturday 10 | Sunday 11 | Monday 12 | Tuesday 13 | Wednesday 14 | Thursday 15 | Friday 16 | Saturday 17 | Sunday 18 | Monday 19 | Tue 20 | ||||||||||||||||||||||||
| PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |
Rating (10 max) | ||||||||||||||||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  |  |  |  |  |  | |||||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||||||||||||||
| Period(s) (?) | 12 | 13 | 8 | 7 | 7 | 8 | 8 | 6 | 7 | 7 | 8 | 11 | 10 | 7 | 6 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 8 | 8 | 8 | 12 | 11 | 12 | 12 | 11 | 12 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||
| Energy (?) | 87 | 58 | 81 | 62 | 42 | 44 | 44 | 75 | 109 | 114 | 107 | 319 | 285 | 125 | 68 | 148 | 165 | 161 | 138 | 201 | 104 | 77 | 217 | 74 | 74 | 70 | 116 | 89 | 73 | 51 | 37 | 69 | 336 | 253 | 304 | 273 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | cross- on | cross- off | cross- on | cross | off | cross- off | glass | cross- on | cross- on | on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | cross- on | cross- on | on | cross- on | glass | cross- on | glass | cross- off | cross- off | cross- off | off | cross- off | glass | cross- on |
High Tide / height (m) | 12:54AM 0.96 | 12:55PM 1.02 | 1:14AM 0.98 | 1:26PM 1.07 | 1:34AM 0.99 | 1:57PM 1.10 | 1:54AM 0.99 | 2:27PM 1.11 | 2:16AM 0.98 | 2:57PM 1.10 | 2:42AM 0.98 | 3:30PM 1.08 | 3:11AM 0.96 | 4:06PM 1.04 | 3:46AM 0.94 | 4:47PM 0.98 | 4:27AM 0.91 | 5:39PM 0.92 | 5:16AM 0.86 | 6:47PM 0.87 | 6:16AM 0.82 | 8:51PM 0.85 | 7:38AM 0.79 | |||||||||||||
Low Tide / height (m) | 6:34PM 0.22 | 6:48AM 0.29 | 7:09PM 0.20 | 7:18AM 0.21 | 7:43PM 0.21 | 7:47AM 0.15 | 8:16PM 0.23 | 8:17AM 0.11 | 8:49PM 0.26 | 8:48AM 0.09 | 9:23PM 0.31 | 9:21AM 0.09 | 10:00PM 0.36 | 9:59AM 0.12 | 10:43PM 0.42 | 10:44AM 0.16 | 11:37PM 0.48 | 11:43AM 0.22 | 12:47AM 0.53 | 12:59PM 0.26 | 2:06AM 0.55 | 2:19PM 0.27 | 3:22AM 0.53 | |||||||||||||
Thu 08 | Friday 09 | Saturday 10 | Sunday 11 | Monday 12 | Tuesday 13 | Wednesday 14 | Thursday 15 | Friday 16 | Saturday 17 | Sunday 18 | Monday 19 | Tue 20 | ||||||||||||||||||||||||
| Sunrise | - | - | 6:24 | - | - | 6:24 | - | - | 6:26 | - | - | 6:26 | - | - | 6:26 | - | - | 6:26 | - | - | 6:28 | - | - | 6:28 | - | - | 6:28 | - | - | 6:28 | - | - | 6:30 | - | - | 6:30 |
| Sunset | 5:30 | - | - | 5:29 | - | - | 5:29 | - | - | 5:28 | - | - | 5:28 | - | - | 5:27 | - | - | 5:27 | - | - | 5:25 | - | - | 5:25 | - | - | 5:24 | - | - | 5:24 | - | - | 5:23 | - | - |
 |  | | | | |  |  |  |  |  | |  |  |  | |  | | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | 1 | 10 | 6 | 3 | 4 | 2 | - | 4 | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 24 | 25 | 28 | 27 | 27 | 28 | 25 | 22 | 22 | 22 | 21 | 21 | 21 | 20 | 22 | 22 | 21 | 22 | 22 | 22 | 22 | 22 | 21 | 23 | 23 | 22 | 24 | 24 | 23 | 25 | 24 | 22 | 23 | 23 | 22 | 22 |
| Feels °C (?) | 25 | 26 | 30 | 28 | 28 | 29 | 26 | 24 | 23 | 21 | 21 | 21 | 20 | 19 | 22 | 21 | 19 | 22 | 21 | 21 | 22 | 22 | 22 | 25 | 24 | 23 | 25 | 26 | 25 | 26 | 24 | 24 | 25 | 25 | 25 | 22 |
Short Range Forecast: Moderate rain (total 17mm), heaviest on Sat night. Warm (max 28°C on Fri morning, min 21°C on Sat night). Wind will be generally light. | Days 3-6 Weather Summary Moderate rain (total 15mm), heaviest on Sun afternoon. Warm (max 22°C on Sun afternoon, min 20°C on Sun night). Wind will be generally light. | Days 6-9 Weather Summary Mostly dry. Warm (max 24°C on Sat morning, min 20°C on Wed night). Wind will be generally light. | Long Range Forecast: Mostly dry. Warm (max 25°C on Sun morning, min 20°C on Mon night). Wind will be generally light. | |||||||||||||||||||||||||||||||||
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Information about the Praia dos Castelhanos (Ilha Bela) Surf forecast
The above surf forecast table for Praia dos Castelhanos (Ilha Bela) provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Praia dos Castelhanos (Ilha Bela) can be found by selecting the local surf guide option on the grey menu. Our Praia dos Castelhanos (Ilha Bela) surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Praia dos Castelhanos (Ilha Bela)) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Praia dos Castelhanos (Ilha Bela) may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Praia dos Castelhanos (Ilha Bela) is 11 km (7 miles) from the city of Ilhabela. If you plan a holiday in São Paulo, look for hotels and other accommodation in Ilhabela. Ilhabela has rooms for a wide range of budgets as well as car hire and transport links.
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