Surf Forecasts:
Praia dos Castelhanos (Ilha Bela) surf forecast from 24 Jun 2026:
- Best quality surf: Friday 26 Jun, 6AM (local time) - 6ft (1.8m), 7s period, E swell with cross-offshore winds.
- Most powerful swell: Wednesday 24 Jun, 6PM (local time) - 4.5ft (1.3m), 10s period, SSE swell with 377 kJ wave energy.
- Next surfable swell (1★+): Wednesday 24 Jun, 6PM (local time) - 4.5ft (1.3m), 10s period with SSE swell.
Best Forecast Surf Conditions for Praia dos Castelhanos (Ilha Bela) this week:
The surf forecast for Praia dos Castelhanos (Ilha Bela) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Jun 24) at 6PM. The primary swell is predicted to be 1.3m and 10s period with a secondary swell of 0.5m and 12s. 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 16 days are 1.3m 10s and forecast to arrive on Wednesday (Jun 24) at 6PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Friday (Jun 26) at 6PM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6PM (Wed 24th Jun) | 4.5ft (1.3m) 10s |
| Best Surf | 6AM (Fri 26th Jun) | 6ft (1.8m) 7s |
| Most Powerful | 6PM (Wed 24th Jun) | 4.5ft (1.3m) 10s |
Table - best surf conditions forecast for Praia dos Castelhanos (Ilha Bela) over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 74mm), heaviest during Thu afternoon. Warm (max 20°C on Thu night, min 17°C on Wed morning). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 27°C on Mon morning, min 19°C on Sat morning). Wind will be generally light. | ||||||||||||||||||||
Wednesday 24 | Thursday 25 | Friday 26 | Saturday 27 | Sunday 28 | Monday 29 | Tuesday 30 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | S 9 | S 10 | S 10 | SSE 12 | S 11 | SSE 12 | E 7 | SSE 12 | S 11 | S 10 | ESE 7 | SSE 10 | S 11 | S 11 | E 6 | SE 16 | SSE 15 | SSE 13 | S 9 | S 9 | S 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 235 | 279 | 175 | 244 | 151 | 220 | 274 | 140 | 114 | 53 | 33 | 31 | 62 | 59 | 67 | 66 | 85 | 102 | 120 | 133 | 103 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross-on | on | on | off | cross-off | cross-off | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-off | cross-on | off | off | off | off |
High Tide | 11:02AM0.81m | 11:01PM0.76m | 12:18PM0.87m | 11:55PM0.79m | 1:06PM0.93m | 00:37AM0.83m | 1:45PM0.98m | 1:14AM0.86m | 2:19PM1.02m | 1:46AM0.91m | 2:50PM1.04m | 2:17AM0.95m | 3:18PM1.05m | 2:48AM1.00m | |||||||
Low Tide | 5:11PM0.46m | 5:26AM0.34m | 6:11PM0.45m | 6:17AM0.26m | 7:02PM0.42m | 7:02AM0.19m | 7:46PM0.40m | 7:43AM0.13m | 8:23PM0.38m | 8:21AM0.09m | 8:58PM0.36m | 9:00AM0.06m | 9:31PM0.36m | ||||||||
 | |  |  |  |  |  | |  |  | |  |  | |  | | | | | | | |
 | 6:43 | — | — | 6:43 | — | — | 6:43 | — | — | 6:43 | — | — | 6:43 | — | — | 6:43 | — | — | 6:43 | — | — |
 | — | 5:22 | — | — | 5:22 | — | — | 5:23 | — | — | 5:23 | — | — | 5:23 | — | — | 5:23 | — | — | 5:24 | — |
mm | 10 | 8 | 5 | 4 | 19 | 27 | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 18 | 18 | 18 | 19 | 20 | 20 | 19 | 19 | 20 | 20 | 20 | 21 | 22 | 22 | 27 | 26 | 22 | 21 | 20 | 19 |
Feels °C | 17 | 18 | 18 | 17 | 18 | 19 | 21 | 19 | 20 | 22 | 22 | 21 | 23 | 23 | 24 | 27 | 26 | 23 | 20 | 19 | 19 |
Swell 1 Height (m) Direction Period (s) | S 9 | S 10 | S 10 | SSE 12 | S 11 | SSE 12 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | S 11 | S 11 | ESE 6 | ESE 7 | ESE 7 | ESE 7 | S 9 | S 9 | S 9 |
| kJ | 235 | 279 | 175 | 244 | 151 | 220 | 154 | 108 | 56 | 42 | 30 | 18 | 62 | 59 | 30 | 65 | 55 | 43 | 120 | 133 | 103 |
Swell 2 Height (m) Direction Period (s) | E 8 | SSE 13 | SSE 14 | ESE 8 | SSE 12 | SSE 15 | SSE 11 | SSE 12 | S 11 | S 10 | SSE 10 | SSE 10 | ESE 7 | ESE 7 | SSE 11 | SSE 11 | SSE 15 | SSE 13 | SSE 13 | E 7 | E 8 |
| kJ | 37 | 125 | 73 | 7 | 58 | 45 | 158 | 140 | 114 | 53 | 33 | 31 | 18 | 18 | 37 | 41 | 85 | 102 | 96 | 27 | 33 |
Swell 3 Height (m) Direction Period (s) | SSE 13 | ESE 8 | SE 11 | SSE 12 | — | S 15 | — | S 12 | S 15 | S 14 | SSE 13 | SSE 12 | E 7 | SE 15 | SSE 14 | SE 16 | SSE 12 | SSE 11 | E 7 | SSE 12 | SSE 12 |
| kJ | 66 | 24 | 32 | 55 | — | 17 | — | 102 | 4 | 15 | 18 | 29 | 16 | 9 | 20 | 66 | 45 | 40 | 27 | 57 | 56 |
Wind waves Height (m) Direction Period (s) | — | SE 6 | SE 6 | SE 6 | SE 6 | ESE 6 | E 7 | SW 2 | SW 4 | SW 4 | SSW 4 | — | — | — | E 6 | — | — | WSW 3 | — | — | — |
| kJ | — | 54 | 37 | 44 | 68 | 109 | 274 | 1 | 7 | 2 | 2 | — | — | — | 67 | — | — | 2 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 36 | 36 | 38 | 45 | 29 | 29 | 0 | 0 | 0 | 0 | 45 | 10 | 10 | 29 | 10 | 0 | 12 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in São Paulo | |||||||||||||||||||||
Best forecast wave conditions in Brazil | |||||||||||||||||||||
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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 16 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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