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

information circle48hr Weather and Surf, issued 8 pm Sunday 10 May 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
24.5° 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 4AM is: 1.2m 17s primary swell from a South-southeast direction and 0.7m 12s secondary swell from a South direction, 0.8m 7s secondary swell from a South direction (forecast issued at 08:00pm May 10). The wind direction is predicted to be cross-offshore.

Time (-03) & DateWave HeightWave Period
Morning (11 May)6ft (1.9m)16s
Afternoon (11 May)6.5ft (2.0m)15s
Evening (11 May)7ft (2.2m)16s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 5mm), mostly falling on Sun night. Warm (max 22°C on Wed morning, min 17°C on Sun night). Wind will be generally light.

Sun
10
Monday
11
Tuesday
12
Wednesday
13
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
Rating
(10 max)
0
2
3
3
3
3
4
4
4
4
4
4
4
4
2
2
2
2
2
2
3
3
2
2
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.4
SSE
12
0.5
SSE
19
0.7
SSE
18
1
SSE
17
1.5
S
16
1.9
S
16
1.9
SSE
16
2
S
15
2.1
SSE
15
2.2
SSE
16
2.3
SSE
16
2.3
SSE
15
2.2
SSE
15
2.2
SSE
14
2.1
SSE
14
2.1
SSE
14
2.1
SSE
14
2
SSE
14
2
SSE
14
1.8
SSE
14
1.7
SSE
13
1.6
SSE
13
1.6
SSE
13
1.3
SSE
13
Wave Graph
Metric surfscale
Energy kJ
46
203
329
603
1204
1811
1776
1811
1850
2195
2398
2216
1948
1921
1728
1680
1680
1505
1462
1233
1074
943
823
599
Wind (km/h)
20
SW
10
WSW
15
SW
15
WSW
20
SW
15
WSW
15
SW
10
SW
10
SSW
10
SW
5
SW
5
WSW
0
NW
5
ENE
10
E
15
E
15
ENE
15
NE
15
NE
10
NNE
10
NNE
5
NE
10
SE
10
ESE
cross-off
off
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
glassy
glassy
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
glassy
cross-on
cross-on
High Tide
11:28PM0.91m
10:34AM0.84m
00:04AM0.98m
11:37AM0.94m
00:36AM1.01m
12:24PM1.03m
Low Tide
4:08PM0.26m
4:55AM0.45m
5:09PM0.19m
5:46AM0.36m
6:03PM0.13m
6:30AM0.28m
light rain
light rain
light rain
light rain
light rain
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:26
6:26
6:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:28
5:28
5:27
1
1
1
2
1
Temp °C
18
18
17
18
18
18
20
20
19
18
17
17
17
19
20
20
19
19
19
19
19
21
22
22
16
17
16
17
16
15
18
19
18
18
17
17
18
19
19
18
17
17
18
19
19
22
23
23
Swell 1
Height (m)
Direction
Period (s)
0.5
E
8
0.5
E
8
1
S
7
1
SSE
17
1.5
S
16
1.9
S
16
1.9
SSE
16
2
S
15
2.1
SSE
15
2.2
SSE
16
2.3
SSE
16
2.3
SSE
15
2.2
SSE
15
2.2
SSE
14
2.1
SSE
14
2.1
SSE
14
2.1
SSE
14
2
SSE
14
2
SSE
14
1.8
SSE
14
1.7
SSE
13
1.6
SSE
13
1.6
SSE
13
1.3
SSE
13
Energy kJ
35
36
99
603
1204
1811
1776
1811
1850
2195
2398
2216
1948
1921
1728
1680
1680
1505
1462
1233
1074
943
823
599
Swell 2
Height (m)
Direction
Period (s)
0.4
SSE
12
0.5
SSE
19
0.7
SSE
18
0.7
S
12
0.4
ESE
8
0.3
ESE
8
0.3
ESE
8
0.3
ESE
9
0.3
ESE
9
0.3
ESE
9
0.3
ESE
9
0.3
ESE
9
0.3
ESE
9
0.3
ESE
9
0.3
ESE
9
0.3
ESE
9
0.3
ESE
9
0.3
ESE
9
0.3
ESE
9
0.3
ESE
9
0.3
ESE
9
0.3
ESE
9
0.3
ESE
9
0.3
ESE
9
Energy kJ
46
203
329
132
24
14
14
15
15
15
15
15
15
15
15
15
15
15
16
16
16
16
16
16
Swell 3
Height (m)
Direction
Period (s)
0.2
SSE
20
0.4
SSE
12
0.5
S
12
0.4
ESE
8
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.1
SE
16
0.2
ESE
16
0.2
ESE
15
0.2
ESE
16
0.2
ESE
15
0.2
ESE
15
0.2
ESE
15
0.2
ESE
14
0.2
E
4
Energy kJ
38
47
76
24
7
7
7
10
25
23
24
23
21
21
21
1
Wind waves
Height (m)
Direction
Period (s)
1.2
SSW
7
1.2
S
7
1.5
SSW
7
0.8
S
7
1
SSW
6
Energy kJ
151
150
225
58
80
Nearest Offshore or Glassy
Rating
(10 max)
2
2
3
3
2
4
4
4
4
4
4
4
4
4
4
1
4
4
4
4
4
3
2
3
Distance (km)
52
0
0
0
36
45
0
0
0
0
0
0
0
0
45
37
18
18
18
10
10
0
54
18
Best forecast wave conditions in São Paulo
Rating
(10 max)
2
2
3
3
4
4
4
4
5
5
4
5
5
5
4
4
4
4
4
4
4
4
3
4
Best forecast wave conditions in Brazil
Rating
(10 max)
4
4
4
4
4
4
4
4
5
5
4
5
5
5
4
4
4
5
5
4
4
4
4
4
Header Global
Rating
(10 max)
6
5
8
6
5
4
5
5
5
5
5
5
9
9
9
9
9
7
5
7
7
6
6
7
  • 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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