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Surf Forecasts:

Praia dos Castelhanos (Ilha Bela) surfForecast / São Paulo / Brazil

information circle48hr Weather and Surf, issued 8 am Sunday 18 Jan 2026 -03
Forecast update in hr  min  s Forecast update imminent
Praia dos Castelhanos (Ilha Bela) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Praia dos Castelhanos (Ilha Bela) sea temperature is
28.8° C
 (Which is 2.9°C warmer than normal for this time of year)

How big are the waves at Praia dos Castelhanos (Ilha Bela) today?

The current surf forecast for Praia dos Castelhanos (Ilha Bela) at 10AM is: 0.9m 7s primary swell from a East-southeast direction and 0.1m 8s secondary swell from a South direction (forecast issued at 08:00am January 18). The wind direction is predicted to be glassy.

Time (-03) & DateWave HeightWave Period
Morning (18 Jan)3ft (0.9m)7s
Afternoon (18 Jan)3ft (0.9m)7s
Evening (18 Jan)3.5ft (1.1m)7s

Table - waves today at Praia dos Castelhanos (Ilha Bela). (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Sunday
18
Monday
19
Tuesday
20
Wed
21
6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM
Rating
(10 max)
1
1
0
0
0
1
1
1
1
1
1
0
0
0
0
0
1
0
1
1
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.9
ESE
0.9
ESE
0.9
ESE
0.9
ESE
0.8
ESE
1.1
E
0.7
ESE
0.7
ESE
0.7
ESE
0.7
ESE
0.8
ESE
0.6
ESE
0.6
ESE
0.5
ESE
1.5
S
1.5
S
2
S
1.5
S
1.4
S
1.3
S
1.2
S
1.2
SSE
1.3
SSE
1.3
SSE
Period(s) (?)777777777888888899999999
Wave
Graph
(?)Metric surfscale
Energy kJ (?)78787878731305757576067454835270298593348311263220227243249
Wind
(km/h)
5
WNW
5
NW
10
E
10
ENE
15
NE
5
NNE
5
N
10
W
20
W
20
WSW
20
WSW
20
WSW
20
SSW
25
S
25
S
20
S
20
S
20
S
15
S
15
S
15
SSE
20
SSE
15
SSE
10
SE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offcross-
off		oncross-
on		cross-
on		cross-
on		glassoffoffoffoffcross-
off		cross-
off		crosscrosscrosscrosscrosscross-
off		crosscross-
on		cross-
on		cross-
on		cross-
on
High Tide
/ height (m)
2:24PM
1.03
3:20AM
1.12
2:52PM
1.09
3:45AM
1.12
3:22PM
1.14
Low Tide
/ height (m)
8:59AM
0.30
9:04PM
-0.02
9:30AM
0.29
9:40PM
-0.04
10:02AM
0.29
10:17PM
-0.03
Sunday
18
Monday
19
Tuesday
20
Wed
21
Sunrise5:28-------5:28-------5:30-------
Sunset----6:52-------6:52-------6:52---
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
mod rain
light rain
rain showers
cloud
rain showers
rain showers
part cloud
rain showers
rain showers
part cloud
part cloud
Rain (mm)
---221--22212751-11-11--
Temp. °C252627262625252525262625242423232323232423232322
Feels °C (?)282929282828282726272726252421222222222322212221
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Praia dos Castelhanos (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 Praia dos Castelhanos (Ilha Bela) at:
surf-forecast.com

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