Surf Forecasts:
Bonete (Ilha Bela) surf forecast from 3 Sep 2026:
- Best quality surf: Friday 4 Sep, 12AM (local time) - 4.5ft (1.4m), 11s period, SSE swell with cross-offshore winds.
- Most powerful swell: Monday 7 Sep, 12PM (local time) - 8ft (2.5m), 10s period, S swell with 1,229 kJ wave energy.
- Next surfable swell (1★+): Friday 4 Sep, 12AM (local time) - 4.5ft (1.4m), 11s period with SSE 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 Friday (Sep 04) at 12AM. The primary swell is predicted to be 1.4m and 11s period with a secondary swell of 1.3m and 6s. 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 2.5m 10s and forecast to arrive on Monday (Sep 07) at 12PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 8s period and expected on Thursday (Sep 03) at 9PM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12AM (Fri 4th Sep) | 4.5ft (1.4m) 11s |
| Best Surf | 12AM (Fri 4th Sep) | 4.5ft (1.4m) 11s |
| Most Powerful | 12PM (Mon 7th Sep) | 8ft (2.5m) 10s |
Table - best surf conditions forecast for Bonete (Ilha Bela) over the next 16 days.
Short Range ForecastLight rain (total 4mm), mostly falling on Sat night. Warm (max 23°C on Fri morning, min 20°C on Thu morning). Wind will be generally light. | Days 4-6 Weather SummaryHeavy rain (total 46mm), heaviest during Sun morning. Warm (max 20°C on Tue afternoon, min 17°C on Sun afternoon). Wind will be generally light. | ||||||||||||||||||||
Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | |||||||||||||||
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) | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | E 8 | E 8 | E 8 | S 10 | S 8 | S 7 | S 7 | S 10 | S 9 | SSE 9 | S 10 | S 10 | E 7 | E 8 | E 8 | E 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 771 | 653 | 513 | 297 | 183 | 107 | 84 | 66 | 148 | 486 | 337 | 492 | 919 | 923 | 969 | 369 | 327 | 657 | 465 | 516 | 435 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross-off | cross | cross | cross-off | glassy | on | cross-off | cross-on | on | on | cross-on | on | cross | cross-off | cross | cross-off | glassy | off | cross-off |
High Tide | 5:44PM0.75m | 7:15AM0.78m | 6:26PM0.65m | 12:40PM0.90m | 00:16AM0.61m | 1:13PM1.01m | 00:31AM0.73m | 1:40PM1.08m | 00:49AM0.86m | 2:01PM1.11m | 1:12AM0.99m | 2:19PM1.12m | 1:38AM1.10m | ||||||||
Low Tide | 1:44PM0.56m | 1:38AM0.41m | 9:47AM0.74m | 4:01PM0.61m | 10:46PM0.51m | 3:48AM0.39m | 5:54PM0.55m | 5:18AM0.28m | 6:43PM0.48m | 6:19AM0.15m | 7:16PM0.42m | 7:06AM0.04m | 7:44PM0.37m | 7:46AM-0.03m | 8:10PM0.32m | ||||||
 | |  | |  |  | | |  |  | |  |  |  |  | | | | | | | |
 | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:07 | — | — | 6:05 | — | — | 6:05 | — | — | 6:03 | — | — |
 | — | 5:51 | — | — | 5:51 | — | — | 5:51 | — | — | 5:52 | — | — | 5:52 | — | — | 5:52 | — | — | 5:52 | — |
mm | — | — | — | — | — | — | — | — | 4 | 13 | 11 | 10 | 8 | 4 | — | — | — | — | 2 | 10 | 1 |
Temp °C | 22 | 22 | 22 | 23 | 22 | 20 | 20 | 21 | 21 | 19 | 18 | 17 | 17 | 17 | 18 | 19 | 20 | 19 | 20 | 20 | 22 |
Feels °C | 20 | 19 | 23 | 23 | 22 | 19 | 22 | 22 | 23 | 17 | 15 | 14 | 15 | 14 | 17 | 17 | 18 | 16 | 22 | 20 | 22 |
Swell 1 Height (m) Direction Period (s) | SSE 11 | SSE 11 | SSE 11 | E 8 | E 8 | E 8 | E 8 | E 8 | S 10 | E 8 | E 8 | E 8 | S 10 | S 9 | S 18 | S 10 | S 10 | S 10 | S 10 | E 8 | S 13 |
| kJ | 771 | 653 | 513 | 234 | 181 | 107 | 84 | 66 | 148 | 34 | 33 | 31 | 919 | 923 | 6 | 369 | 327 | 239 | 120 | 516 | 117 |
Swell 2 Height (m) Direction Period (s) | — | — | — | SSE 11 | SSE 11 | SSE 10 | SSE 10 | SSW 6 | E 8 | S 14 | S 13 | — | E 8 | E 8 | S 18 | S 18 | S 16 | S 16 | SSW 10 | S 9 | SSE 9 |
| kJ | — | — | — | 297 | 183 | 94 | 71 | 25 | 51 | 37 | 32 | — | 41 | 18 | 6 | 6 | 5 | 5 | 18 | 83 | 47 |
Swell 3 Height (m) Direction Period (s) | — | — | — | S 11 | S 10 | S 9 | SW 6 | SSE 10 | SE 10 | — | SSE 10 | — | — | S 19 | — | — | — | S 16 | S 15 | SSE 14 | E 15 |
| kJ | — | — | — | 2 | 2 | 2 | 11 | 42 | 26 | — | 10 | — | — | 7 | — | — | — | 5 | 17 | 41 | 4 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 5 | E 6 | — | SW 3 | WSW 4 | — | — | — | S 8 | S 7 | S 7 | — | — | SSE 9 | ESE 6 | E 6 | E 7 | E 8 | — | E 8 |
| kJ | 103 | 63 | 135 | — | 6 | 10 | — | — | — | 486 | 337 | 492 | — | — | 969 | 229 | 196 | 657 | 465 | — | 435 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 16 | 26 | 0 | 10 | 10 | 0 | 0 | 79 | 10 | 133 | 356 | 41 | 41 | 41 | 3 | 16 | 22 | 16 | 0 | 0 | 0 |
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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