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Surf Forecasts:

Bonete (Ilha Bela) surfForecast / São Paulo / Brazil

information circle12 Day Weather and Surf, issued 8 pm Thursday 12 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
27.0° C
 (Which is slightly warmer than usual)

Best Forecast Surf Conditions for Bonete (Ilha Bela) this week:

The surf forecast for Bonete (Ilha Bela) over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Mar 14) at 12AM. The primary swell is predicted to be 1.5m and 10s period with a secondary swell of 0.8m and 9s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Bonete (Ilha Bela) in the next 12 days are 2.1m 11s and forecast to arrive on Sunday (Mar 15) 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 0.8m 4s period and expected on Monday (Mar 16) at 12AM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+)12AM (Sat 14th Mar)5ft (1.5m) 10s
Best Surf12AM (Sat 14th Mar)5ft (1.5m) 10s
Most Powerful12AM (Sun 15th Mar)7ft (2.1m) 11s

Table - best surf conditions forecast for Bonete (Ilha Bela) over the next 12 days.

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table

Short Range Forecast Light rain (total 9mm), mostly falling on Thu night. Warm (max 26°C on Sun morning, min 23°C on Thu night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Warm (max 26°C on Mon morning, min 24°C on Sun night). Wind will be generally light.

Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thu
19
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
2
2
0
3
3
2
2
2
0
1
3
1
2
2
1
0
2
0
3
2
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.6
SSE
1.3
SSE
1.1
SSE
1.5
SSE
1.7
SSE
1.4
SE
2.1
SE
1.6
SE
1.4
SE
1.5
SE
1.6
SE
1.7
SE
1.4
SE
1.5
SE
1.5
SE
1.3
SE
1.6
SE
1.7
SE
1.6
SE
1.4
SE
1.3
SE
Period(s) (?)12111110109111010101212111111111112111110
Wave
Graph
(?)Metric surfscale
Energy kJ (?)737408303492501294963509365442760800466515496437663747574453355
Wind
(km/h)
5
S
15
WSW
20
SW
10
W
10
W
10
S
20
NE
5
ENE
20
ENE
25
NE
5
NE
20
E
25
ENE
15
ENE
20
E
20
ENE
10
ENE
15
ESE
15
NE
0
N
10
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncrosscross-
on		cross-
off		cross-
off		oncross-
off		crosscrosscross-
off		cross-
off		crosscross-
off		crosscrosscrosscrosscross-
on		cross-
off		glasscross-
on
High Tide
/ height (m)
12:48AM
0.85
12:18PM
0.70
1:10AM
0.96
12:41PM
0.83
1:32AM
1.05
1:03PM
0.95
1:54AM
1.12
1:26PM
1.06
2:15AM
1.16
1:51PM
1.15
2:36AM
1.18
2:19PM
1.22
2:57AM
1.16
2:49PM
1.25
Low Tide
/ height (m)
5:59AM
0.54
5:42PM
0.29
6:37AM
0.44
6:31PM
0.17
7:09AM
0.35
7:12PM
0.05
7:40AM
0.27
7:49PM
-0.04
8:11AM
0.22
8:25PM
-0.09
8:42AM
0.18
9:01PM
-0.08
9:12AM
0.16
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thu
19
Sunrise-6:01--6:01--6:01--6:03--6:03--6:03--6:03-
Sunset--6:19--6:17--6:16--6:15--6:15--6:14--6:13
mod rain
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
clear
clear
clear
clear
clear
Rain (mm)
72-------------------
Temp. °C252525242525242626242626252626252525252525
Feels °C (?)292625262727252827242827252726262726262827
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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View detailed surf forecast for Bonete (Ilha Bela) at:
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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 12 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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