Surf Forecasts:
Bonete (Ilha Bela) surf forecast from 17 Jun 2026:
- Best quality surf: Thursday 18 Jun, 6AM (local time) - 5ft (1.5m), 15s period, S swell with glassy winds.
- Most powerful swell: Friday 19 Jun, 12AM (local time) - 7ft (2.1m), 13s period, S swell with 1,553 kJ wave energy.
- Next surfable swell (1★+): Thursday 18 Jun, 6AM (local time) - 5ft (1.5m), 15s 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 Thursday (Jun 18) at 6AM. The primary swell is predicted to be 1.5m and 15s period with a secondary swell of 0.5m and 9s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Bonete (Ilha Bela) in the next 16 days are 2.1m 13s and forecast to arrive on Friday (Jun 19) at 12AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 5s period and expected on Sunday (Jun 21) at 9AM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Thu 18th Jun) | 5ft (1.5m) 15s |
| Best Surf | 6AM (Thu 18th Jun) | 5ft (1.5m) 15s |
| Most Powerful | 12AM (Fri 19th Jun) | 7ft (2.1m) 13s |
Table - best surf conditions forecast for Bonete (Ilha Bela) over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 21°C on Fri afternoon, min 17°C on Thu night). Wind will be generally light. | Days 4-6 Weather SummaryHeavy rain (total 26mm), heaviest during Sat night. Warm (max 21°C on Sat morning, min 18°C on Sat night). Winds decreasing (fresh winds from the WSW on Sat night, calm by Mon morning). | ||||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | |||||||||||||||
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 11 | S 12 | S 11 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 11 | E 10 | SW 10 | SSW 9 | SSW 10 | S 10 | S 11 | S 10 | SSE 16 | SSE 14 |
Wave Graph  | |||||||||||||||||||||
 kJ | 338 | 596 | 389 | 1159 | 1387 | 1553 | 1520 | 1275 | 749 | 347 | 221 | 119 | 122 | 200 | 156 | 157 | 154 | 196 | 96 | 277 | 311 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-on | cross-on | cross-on | cross-off | cross-off | cross | off | cross | cross-on | cross-off | cross-off | cross-off | cross-off | glassy | cross | cross-off | cross-off | cross-on | cross |
High Tide | 4:45PM1.00m | 3:49AM0.97m | 5:22PM0.92m | 4:29AM0.98m | 5:58PM0.85m | 5:13AM0.96m | 6:36PM0.79m | 6:03AM0.91m | 7:22PM0.76m | 7:07AM0.84m | 8:21PM0.74m | 8:42AM0.79m | 9:44PM0.74m | ||||||||
Low Tide | 10:32AM0.03m | 11:15PM0.54m | 11:19AM0.08m | 11:50PM0.57m | 12:08PM0.15m | 00:27AM0.58m | 12:59PM0.24m | 1:14AM0.57m | 1:55PM0.33m | 2:13AM0.54m | 2:57PM0.40m | 3:20AM0.49m | 4:04PM0.45m | ||||||||
 | |  | | | | | | |  | |  | | | | | |  |  |  |  | |
 | 6:41 | — | — | 6:41 | — | — | 6:41 | — | — | 6:43 | — | — | 6:43 | — | — | 6:43 | — | — | 6:43 | — | — |
 | — | 5:22 | — | — | 5:22 | — | — | 5:22 | — | — | 5:22 | — | — | 5:22 | — | — | 5:22 | — | — | 5:22 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 26 | — | — | — | — | — | — | 2 | 6 | 10 |
Temp °C | 20 | 20 | 19 | 20 | 20 | 19 | 20 | 21 | 21 | 21 | 19 | 20 | 21 | 20 | 19 | 20 | 21 | 21 | 21 | 21 | 21 |
Feels °C | 20 | 19 | 19 | 19 | 18 | 16 | 18 | 18 | 19 | 20 | 20 | 22 | 18 | 17 | 19 | 20 | 20 | 22 | 21 | 23 | 21 |
Swell 1 Height (m) Direction Period (s) | S 11 | S 12 | S 11 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | E 7 | E 7 | S 11 | E 10 | SSE 7 | SSW 9 | SSW 10 | S 10 | S 11 | S 10 | E 9 | S 9 |
| kJ | 338 | 596 | 389 | 1159 | 1387 | 1553 | 1520 | 1275 | 749 | 124 | 94 | 119 | 122 | 86 | 156 | 157 | 154 | 196 | 96 | 99 | 311 |
Swell 2 Height (m) Direction Period (s) | S 13 | E 9 | S 16 | E 9 | ESE 9 | E 8 | E 8 | E 9 | E 6 | S 12 | S 12 | E 7 | S 5 | E 10 | SSE 7 | SE 7 | SE 7 | ENE 4 | E 6 | SSE 16 | SSE 14 |
| kJ | 209 | 39 | 190 | 41 | 26 | 22 | 22 | 13 | 120 | 347 | 221 | 33 | 20 | 89 | 61 | 62 | 37 | 27 | 23 | 277 | 281 |
Swell 3 Height (m) Direction Period (s) | E 8 | SSE 18 | E 10 | E 9 | — | — | — | — | E 10 | E 10 | E 9 | E 10 | S 11 | E 10 | E 10 | E 10 | E 10 | SE 7 | E 9 | S 10 | E 9 |
| kJ | 29 | 64 | 49 | 41 | — | — | — | — | 47 | 29 | 28 | 71 | 59 | 113 | 68 | 68 | 65 | 27 | 41 | 96 | 73 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | ENE 3 | ENE 4 | E 6 | — | — | WSW 3 | — | WSW 5 | SW 10 | — | NE 3 | E 10 | ENE 4 | SW 3 | SW 4 | S 7 |
| kJ | — | — | — | — | — | 3 | 46 | 98 | — | — | 5 | — | 33 | 200 | — | 2 | 148 | 30 | 9 | 11 | 246 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 10 | 10 | 10 | 10 | 41 | 16 | 16 | 22 | 0 | 10 | 16 | 0 | 10 | 10 | 0 | 0 | 41 | 0 | 10 | 10 | 62 |
Best forecast wave conditions in São Paulo | |||||||||||||||||||||
Best forecast wave conditions in Brazil | |||||||||||||||||||||
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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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