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Surf Forecasts:

Bonete (Ilha Bela) surfForecast / São Paulo / Brazil

information circle12 Day Weather and Surf, issued 2 am Friday 19 Sep 2025 -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
21.4° 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 Friday (Sep 19) at 6AM. The primary swell is predicted to be 1.2m 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 1.9m 12s and forecast to arrive on Wednesday (Sep 24) at 3AM. 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 8s period and expected on Sunday (Sep 21) at 9PM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Fri 19th Sep)4ft (1.2m) 10s
Best Surf 3AM (Sat 20th Sep)6.5ft (2.0m) 9s
Most Powerful 3AM (Wed 24th Sep)6ft (1.9m) 12s

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

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

Short Range Forecast Some drizzle, heaviest during Sun night. Warm (max 28°C on Sun morning, min 20°C on Fri night). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 33mm), heaviest during Mon afternoon. Warm (max 26°C on Mon morning, min 18°C on Wed afternoon). Mainly fresh winds.

Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
1
0
2
3
1
2
2
0
2
0
0
0
2
2
0
0
0
0
1
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.2
SE
0.9
E
1.6
ESE
1.8
E
1.5
E
1.2
E
1.3
E
1.4
E
1.6
E
1.8
E
1.6
E
1.2
E
2.3
SSW
1.9
SSW
1.7
S
1.5
S
1.4
S
1.4
S
1.5
S
1.7
S
1.4
S
Period(s) (?)1188988888999999111111111211
Wave
Graph
(?)Metric surfscale
Energy kJ (?)319103302493319191224260368526425241845653481553492451507816476
Wind
(km/h)
10
ENE
15
E
0
N
10
W
10
ESE
15
NE
5
NE
20
ENE
10
W
25
WSW
30
WSW
30
S
15
S
10
SSE
20
E
20
E
20
ESE
20
ESE
15
E
20
ESE
25
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
on		glasscross-
off		cross-
on		cross-
off		glasscrosscross-
off		crosscrosscross-
on		cross-
on		oncross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross
High Tide
/ height (m)
1:57PM
1.07
1:23AM
1.07
2:11PM
1.08
1:49AM
1.14
2:27PM
1.09
2:17AM
1.19
2:44PM
1.09
2:44AM
1.20
3:02PM
1.07
3:12AM
1.18
3:20PM
1.04
3:40AM
1.13
3:40PM
1.00
Low Tide
/ height (m)
7:45PM
0.33
7:55AM
0.01
8:08PM
0.27
8:24AM
0.01
8:30PM
0.22
8:51AM
0.04
8:53PM
0.18
9:16AM
0.10
9:15PM
0.15
9:40AM
0.17
9:37PM
0.15
10:04AM
0.26
10:00PM
0.17
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Sunrise5:54--5:52--5:52--5:50--5:50--5:48--5:48--
Sunset-5:55--5:55--5:57--5:57--5:57--5:58--5:58-
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
rain showers
light rain
heavy rain
rain showers
part cloud
part cloud
part cloud
light rain
light rain
light rain
light rain
light rain
mod rain
Rain (mm)
--------12167---125228
Temp. °C212121232224282726262422192020191918191918
Feels °C (?)232123242324292627272224171917161715181816
  • 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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Eyeball surf reportRecent Eyeball Surf Reports for São Paulo

  1. weather stationWind Update Continuing clean conditions at Bonete (Ilha Bela) (light winds from the S at Sao Jose Dos Campos (Aero) 94 km from Bonete (Ilha Bela)). 1.3m 9s swell from the SE with a 0.8m 11s groundswell, also from the SE. 2 swells combining to make bigger set waves.

    2 hours 55 minutes ago Bonete (Ilha Bela)
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Bonete (Ilha Bela) surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Bonete (Ilha Bela) at:
surf-forecast.com

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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