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Surf Forecasts:

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

information circle48hr Weather and Surf, issued 2 am Wednesday 11 Mar 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
27.1° C
 (Which is slightly warmer than usual)

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

The current surf forecast for Praia dos Castelhanos (Ilha Bela) at 9AM is: 1.6m 14s primary swell from a South-southeast direction and 1.0m 6s secondary swell from a East-southeast direction, 1.2m 5s secondary swell from a East direction (forecast issued at 02:00am March 11). The wind direction is predicted to be onshore.

Time (-03) & DateWave HeightWave Period
Morning (11 Mar)5ft (1.6m)14s
Afternoon (11 Mar)5ft (1.6m)14s
Evening (11 Mar)5.5ft (1.7m)13s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Wednesday
11
Thursday
12
Friday
13
0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM
Rating
(10 max)
0
1
0
2
1
1
0
1
0
1
2
2
0
0
0
0
0
2
2
2
3
3
2
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.7
SSE
0.9
SSE
1.4
SSE
1.6
SSE
1.7
SSE
1.6
SSE
1.5
SSE
1.7
SSE
1.4
SSE
1.4
SSE
1.3
SSE
1.3
SSE
1.2
SSE
1.2
SSE
1.3
SSE
1.3
SSE
1.3
SE
1.3
SE
1.3
SE
0.8
SSE
1.2
SE
1.1
SE
1.1
SE
1.1
SE
Period(s) (?)101615141414131313131313121212121212121211111111
Wave
Graph
(?)Metric surfscale
Energy kJ (?)100397892106110689478171061663653560551447406496488463455455153357304298298
Wind
(km/h)
20
E
15
ESE
15
ESE
15
ESE
15
E
15
E
20
E
20
ENE
15
ENE
15
ENE
10
ENE
5
ENE
10
E
15
E
15
ENE
15
ENE
10
NE
10
NE
10
NE
5
NNE
0
ESE
5
WSW
0
E
5
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on		cross-
on		onononononononononononcross-
on		cross-
on		cross-
on		cross-
on		cross-
on		glassglassglassglassglass
High Tide
/ height (m)
5:36AM
0.75
7:56PM
0.67
12:29AM
0.75
6:27AM
0.65
11:49AM
0.57
12:48AM
0.85
12:18PM
0.70
Low Tide
/ height (m)
2:07PM
0.44
8:45PM
0.67
4:32AM
0.64
10:30AM
0.57
4:25PM
0.40
5:59AM
0.54
5:42PM
0.29
Wednesday
11
Thursday
12
Friday
13
Sunrise---6:00-------6:01-------6:01----
Sunset------6:21-------6:20-------6:19-
mod rain
mod rain
heavy rain
mod rain
light rain
light rain
light rain
light rain
light rain
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
cloud
cloud
cloud
cloud
cloud
thunderstorm
thunderstorm
cloud
thunderstorm
Rain (mm)
7611843222224311-----12-1
Temp. °C222222222323232324242424242425242424242526262524
Feels °C (?)222423232424242325262727262627252627272931302927
  • 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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View detailed surf forecast for Praia dos Castelhanos (Ilha Bela) at:
surf-forecast.com

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