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

information circle48hr Weather and Surf, issued 8 pm Saturday 09 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
24.9° C
(Which is 1.2°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 4AM is: 0.5m 12s primary swell from a South direction and 0.7m 8s secondary swell from a East-southeast direction (forecast issued at 08:00pm May 09). An open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (-03) & DateWave HeightWave Period
Morning (10 May)2.5ft (0.7m)12s
Afternoon (10 May)1.5ft (0.5m)12s
Evening (10 May)4ft (1.2m)8s

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

Moderate rain (total 19mm), heaviest on Sun night. Warm (max 24°C on Sat night, min 18°C on Sun night). Wind will be generally light.

Sat
9
Sunday
10
Monday
11
Tuesday
12
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
0
1
0
1
1
0
0
0
2
3
4
3
4
4
4
4
4
4
4
4
3
2
2
Swell
Height Map
Height MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.5
S
12
0.5
S
12
0.5
S
12
0.5
S
12
0.7
ESE
9
0.7
S
12
0.5
S
12
0.5
S
12
0.5
S
12
1.2
S
8
0.7
SSE
18
1
SSE
17
1.8
S
16
1.9
SSE
16
2
S
16
2
S
15
2.2
SSE
15
2.3
SSE
16
2.3
SSE
16
2.2
SSE
15
2.2
SSE
15
2.2
SSE
14
2.2
SSE
14
2.1
SSE
14
Wave Graph
Metric surfscale
Energy kJ
77
75
75
73
77
132
73
69
71
203
329
603
1714
1845
1960
1811
2029
2429
2429
2083
1974
1921
1895
1680
Wind (km/h)
10
SE
10
S
15
SSW
20
WSW
20
W
20
SW
20
SW
20
SW
20
SW
15
SW
15
SW
15
SW
15
SW
15
WSW
10
SW
10
SW
10
SW
5
SW
5
SSW
5
S
5
ESE
10
E
15
E
15
ENE
cross-on
cross
cross-off
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
glassy
glassy
on
on
on
High Tide
10:38PM0.83m
8:33AM0.77m
11:28PM0.91m
10:34AM0.84m
00:04AM0.98m
11:37AM0.94m
Low Tide
3:55AM0.52m
4:08PM0.26m
4:55AM0.45m
5:09PM0.19m
5:46AM0.36m
part cloud
thunderstorm
rain showers
rain showers
rain showers
rain showers
part cloud
light rain
light rain
light rain
rain showers
light rain
light rain
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:24
6:26
6:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:29
5:28
5:28
1
1
2
1
1
2
3
2
4
1
1
Temp °C
24
24
22
22
20
20
20
20
19
19
18
19
18
19
20
20
19
19
18
18
19
20
21
21
27
27
24
22
19
19
19
19
17
18
18
18
16
17
19
18
18
19
18
18
19
19
19
19
Swell 1
Height (m)
Direction
Period (s)
0.7
ESE
8
0.7
ESE
8
0.7
ESE
8
0.7
ESE
8
0.7
ESE
9
0.8
ESE
8
0.7
ESE
8
0.6
ESE
8
0.6
E
8
1.2
S
8
0.7
SSE
18
1
SSE
17
1.8
S
16
1.9
SSE
16
2
S
16
2
S
15
2.2
SSE
15
2.3
SSE
16
2.3
SSE
16
2.2
SSE
15
2.2
SSE
15
2.2
SSE
14
2.2
SSE
14
2.1
SSE
14
Energy kJ
62
67
67
70
77
96
73
54
50
160
329
603
1714
1845
1960
1811
2029
2429
2429
2083
1974
1921
1895
1680
Swell 2
Height (m)
Direction
Period (s)
0.5
S
12
0.5
S
12
0.5
S
12
0.5
S
12
0.5
S
12
0.7
S
12
0.5
S
12
0.5
S
12
0.5
S
12
0.5
E
8
0.5
E
8
0.4
ESE
8
0.4
ESE
8
0.4
ESE
8
0.4
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
Energy kJ
77
75
75
73
73
132
69
69
71
36
36
24
24
24
24
15
15
15
15
15
15
15
15
15
Swell 3
Height (m)
Direction
Period (s)
0.4
SSW
3
0.3
S
4
0.2
SSW
8
0.2
SSW
8
0.3
SSW
8
0.4
SSW
9
0.1
S
21
0.2
SSE
20
0.5
SSE
19
0.5
S
12
0.6
E
8
0.5
E
8
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.1
SE
16
Energy kJ
4
2
7
6
12
28
9
38
203
76
49
34
7
7
7
10
Wind waves
Height (m)
Direction
Period (s)
0.4
SW
3
0.5
S
4
0.5
S
4
0.6
S
4
0.6
SSW
4
1
SSW
12
1.1
SSW
8
1.3
SSW
8
1.5
SSW
7
1.8
SSW
7
1.1
S
7
1.3
S
12
1.7
S
10
Energy kJ
3
8
8
13
14
298
159
186
206
344
127
446
644
Nearest Offshore or Glassy
Rating
(10 max)
1
2
1
1
1
2
2
1
1
2
3
4
4
4
4
4
4
4
4
4
4
5
1
1
Distance (km)
26
29
0
45
0
52
75
348
52
0
0
0
45
0
0
0
0
0
0
0
0
29
37
37
Best forecast wave conditions in São Paulo
Rating
(10 max)
2
2
1
1
1
2
2
2
2
3
4
4
4
4
4
4
4
4
5
5
5
4
4
Best forecast wave conditions in Brazil
Rating
(10 max)
2
2
3
2
1
4
3
1
4
4
4
4
4
4
4
4
4
4
4
5
5
5
4
4
Header Global
Rating
(10 max)
4
4
4
4
5
9
9
8
6
9
5
5
4
5
4
8
9
6
9
9
9
9
9
9
  • 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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