Bonete (Ilha Bela) surfForecast / São Paulo / Brazil

information circle16 Day Weather and Surf, issued 8 am Tuesday 31 Mar 2026 -03
Forecast update in hr  min  s Forecast update imminent
Bonete (Ilha Bela) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Bonete (Ilha Bela) sea temperature is
25.8° C
(Which is normal for this time of year)

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 Tuesday (Mar 31) at 12PM. The primary swell is predicted to be 0.5m and 10s period with a secondary swell of 0.4m and 6s. 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 1.8m 12s and forecast to arrive on Monday (Apr 06) at 9PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 7s period and expected on Tuesday (Apr 07) at 9AM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+)12PM (Tue 31st Mar)1.5ft (0.5m) 10s
Best Surf 3AM (Tue 7th Apr)6ft (1.8m) 11s
Most Powerful 9PM (Mon 6th Apr)6ft (1.8m) 12s

Table - best surf conditions forecast for Bonete (Ilha Bela) over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Moderate rain (total 11mm), heaviest on Tue afternoon. Warm (max 26°C on Thu morning, min 23°C on Tue night). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 26mm), heaviest during Sun night. Warm (max 28°C on Fri morning, min 24°C on Sat night). Wind will be generally light.

Tuesday
31
Wednesday
01
Thursday
02
Friday
03
Saturday
04
Sunday
05
Monday
06
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
1
1
2
2
0
2
2
0
1
2
0
1
1
0
1
0
0
0
0
1
2
Swell
Height Map
Wave Height (m) & direction (?)
0.5
S
0.4
SSW
1.2
SE
1.4
SE
1.3
SE
1.3
ESE
1.5
ESE
1.4
ESE
1.1
ESE
1.3
ESE
1.3
ESE
1.1
E
0.9
ESE
1
E
0.9
E
0.9
E
0.5
S
0.8
E
0.7
S
1.3
S
1.8
SSE
Period(s) (?)1010810998888888888137101011
Wave
Graph
(?)Metric surfscale
Energy kJ (?)503118737330025828023816722322314299118100957870108307866
Wind
(km/h)
0
WNW
0
ENE
10
NE
0
NNE
10
SE
10
NNE
5
WSW
15
ESE
15
NNE
0
NNW
15
ESE
15
NNE
10
W
5
SSW
5
NW
15
W
15
S
10
ESE
5
ENE
10
E
15
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassglasscross-
off
glassoncross-
off
glasscross-
on
cross-
off
glasscross-
on
cross-
off
cross-
off
cross-
on
cross-
off
cross-
off
cross-
on
cross-
on
crosscross-
on
cross
High Tide
/ height (m)
1:39PM
1.12
2:15AM
1.07
2:07PM
1.18
2:31AM
1.07
2:36PM
1.19
2:49AM
1.06
3:05PM
1.18
3:08AM
1.04
3:34PM
1.14
3:29AM
1.01
4:04PM
1.07
3:50AM
0.97
4:36PM
0.99
Low Tide
/ height (m)
8:13PM
0.03
8:20AM
0.21
8:41PM
0.06
8:43AM
0.16
9:07PM
0.12
9:06AM
0.13
9:32PM
0.19
9:29AM
0.11
9:57PM
0.27
9:53AM
0.13
10:21PM
0.36
10:19AM
0.17
10:47PM
0.45
Tuesday
31
Wednesday
01
Thursday
02
Friday
03
Saturday
04
Sunday
05
Monday
06
Sunrise6:09--6:09--6:09--6:09--6:09--6:11--6:11--
Sunset-6:00--6:00--5:59--5:58--5:57--5:55--5:54-
thunderstorm
thunderstorm
part cloud
part cloud
thunderstorm
part cloud
clear
thunderstorm
thunderstorm
clear
part cloud
clear
clear
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
Rain (mm)
24--3--11-----31814211
Temp. °C242423252524262625282827272726262524252524
Feels °C (?)272725272727282727303028293130292726282725
  • Map Icons:
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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