Surf Forecasts:
Bonete (Ilha Bela) surf forecast from 20 Oct 2026:
- Best quality surf: Wednesday 21 Oct, 3AM (local time) - 4.5ft (1.3m), 10s period, S swell with cross-offshore winds.
- Most powerful swell: Monday 26 Oct, 3PM (local time) - 6ft (1.9m), 9s period, S swell with 550 kJ wave energy.
- Next surfable swell (1★+): Wednesday 21 Oct, 3AM (local time) - 4.5ft (1.3m), 10s period with S swell.
Best Forecast Surf Conditions for Bonete (Ilha Bela) this week:
The surf forecast for Bonete (Ilha Bela) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Oct 21) at 3AM. The primary swell is predicted to be 1.3m and 10s period with a secondary swell of 0.4m and 9s. Another secondary swell of 0.4m and 3s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Bonete (Ilha Bela) in the next 16 days are 1.9m 9s and forecast to arrive on Monday (Oct 26) at 3PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 6s period and expected on Friday (Oct 23) at 6AM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Wed 21st Oct) | 4.5ft (1.3m) 10s |
| Best Surf | 3AM (Wed 21st Oct) | 4.5ft (1.3m) 10s |
| Most Powerful | 3PM (Mon 26th Oct) | 6ft (1.9m) 9s |
Table - best surf conditions forecast for Bonete (Ilha Bela) over the next 16 days.
Short Range ForecastLight rain (total 9mm), mostly falling on Wed night. Warm (max 22°C on Thu morning, min 20°C on Tue morning). Wind will be generally light. | Days 4-6 Weather SummaryModerate rain (total 12mm), heaviest on Sat afternoon. Warm (max 26°C on Sat morning, min 22°C on Fri morning). Wind will be generally light. | ||||||||||||||||||||
Tuesday 20 | Wednesday 21 | Thursday 22 | Friday 23 | Saturday 24 | Sunday 25 | Monday 26 | |||||||||||||||
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 10 | S 10 | S 10 | SSE 10 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | SSE 12 | SSE 11 | SSE 11 | SSE 10 | SSE 10 | SE 9 | SSE 9 | SSE 9 | SE 8 | SSW 6 | S 10 | S 9 | S 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 601 | 535 | 384 | 363 | 407 | 318 | 285 | 279 | 421 | 297 | 238 | 171 | 120 | 88 | 54 | 52 | 35 | 58 | 145 | 550 | 148 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | cross | cross | cross | cross | cross | cross | cross | cross-off | cross | cross-off | glassy | glassy | off | cross-on | glassy | off | cross | cross | cross-on |
High Tide | 12:09PM0.91m | 11:31PM0.83m | 12:32PM0.99m | 00:04AM0.94m | 12:54PM1.05m | 00:35AM1.05m | 1:16PM1.09m | 1:07AM1.13m | 1:38PM1.09m | 1:40AM1.19m | 2:01PM1.08m | 2:15AM1.22m | 2:24PM1.04m | 2:51AM1.21m | |||||||
Low Tide | 5:22PM0.46m | 5:29AM0.20m | 6:02PM0.37m | 6:14AM0.11m | 6:39PM0.28m | 6:55AM0.05m | 7:14PM0.20m | 7:35AM0.02m | 7:48PM0.14m | 8:15AM0.04m | 8:22PM0.10m | 8:56AM0.11m | 8:55PM0.08m | ||||||||
 | |  |  | |  |  | | |  |  | | |  |  | | | | | | | |
 | 5:24 | — | — | 5:22 | — | — | 5:22 | — | — | 5:20 | — | — | 5:20 | — | — | 5:20 | — | — | 5:18 | — | — |
 | — | 6:07 | — | — | 6:08 | — | — | 6:08 | — | — | 6:09 | — | — | 6:09 | — | — | 6:10 | — | — | 6:10 | — |
mm | — | — | — | — | — | 4 | 2 | 2 | 1 | — | 1 | — | 1 | 4 | 2 | 2 | 2 | — | 3 | — | — |
Temp °C | 20 | 20 | 20 | 21 | 21 | 21 | 22 | 22 | 21 | 23 | 24 | 24 | 26 | 24 | 24 | 23 | 23 | 23 | 22 | 21 | 21 |
Feels °C | 20 | 19 | 18 | 21 | 19 | 19 | 21 | 21 | 20 | 25 | 25 | 26 | 29 | 27 | 26 | 25 | 26 | 26 | 17 | 17 | 19 |
Swell 1 Height (m) Direction Period (s) | S 10 | S 10 | S 10 | SSE 10 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | SSE 12 | E 6 | SSE 11 | SSE 10 | E 7 | E 7 | E 7 | SSE 9 | SE 8 | SSW 6 | S 10 | E 8 | S 8 |
| kJ | 601 | 535 | 384 | 363 | 407 | 318 | 285 | 279 | 421 | 137 | 238 | 171 | 68 | 70 | 39 | 52 | 35 | 58 | 145 | 12 | 148 |
Swell 2 Height (m) Direction Period (s) | ESE 8 | ESE 10 | ESE 9 | ESE 9 | S 18 | S 16 | S 16 | S 15 | — | SSE 11 | E 6 | E 7 | SSE 10 | SE 9 | SSE 9 | E 7 | E 7 | SSE 8 | SE 8 | S 11 | SE 8 |
| kJ | 14 | 37 | 29 | 26 | 6 | 5 | 5 | 4 | — | 297 | 79 | 55 | 120 | 88 | 54 | 26 | 16 | 26 | 17 | 9 | 112 |
Swell 3 Height (m) Direction Period (s) | ESE 11 | — | S 20 | S 18 | — | — | — | — | — | S 18 | — | S 16 | S 14 | S 14 | S 14 | S 16 | S 15 | E 7 | SSE 12 | E 10 | S 10 |
| kJ | 23 | — | 7 | 6 | — | — | — | — | — | 6 | — | 5 | 4 | 4 | 4 | 19 | 17 | 10 | 30 | 8 | 54 |
Wind waves Height (m) Direction Period (s) | — | — | — | E 3 | ESE 4 | E 5 | E 5 | E 6 | E 6 | — | — | — | — | — | ENE 3 | SW 2 | SW 4 | — | SW 7 | S 9 | — |
| kJ | — | — | — | 5 | 29 | 104 | 90 | 138 | 194 | — | — | — | — | — | 4 | 2 | 6 | — | 97 | 550 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 16 | 26 | 3 | 3 | 26 | 22 | 22 | 26 | 16 | 0 | 26 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 54 | 62 | 10 |
Best forecast wave conditions in São Paulo | |||||||||||||||||||||
Best forecast wave conditions in Brazil | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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Information about the Bonete (Ilha Bela) Surf forecast
The above surf forecast table for Bonete (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 Bonete (Ilha Bela) can be found by selecting the local surf guide option on the grey menu. Our Bonete (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 (Bonete (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 Bonete (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.
Bonete (Ilha Bela) is 16 km (10 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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