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

information circle48hr Weather and Surf, issued 2 pm Sunday 17 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
23.6° C
(Which is 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 7PM is: 0.7m 11s primary swell from a South-southeast direction and 0.1m 7s secondary swell from a East direction (forecast issued at 02:00pm May 17). The wind direction is predicted to be glassy.

Time (-03) & DateWave HeightWave Period
Morning (17 May)--
Afternoon (17 May)2.5ft (0.8m)11s
Evening (17 May)2.5ft (0.7m)11s

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

Heavy rain (total 30mm), heaviest during Sun night. Warm (max 23°C on Sun afternoon, min 20°C on Tue morning). Wind will be generally light.

Sun
17
Monday
18
Tuesday
19
Wed
20
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
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
Rating
(10 max)
1
1
1
0
0
1
1
1
1
1
1
1
1
1
2
2
2
3
3
4
4
4
4
4
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)
0.8
SSE
11
0.8
SSE
11
0.8
SSE
11
0.7
SSE
11
0.7
SSE
11
0.6
S
10
0.6
S
10
0.5
S
10
0.5
S
10
0.5
S
10
0.3
SSE
15
0.3
SSE
15
0.4
SSE
15
0.3
SSE
16
1.3
S
9
1.4
S
8
1.2
S
8
1.3
S
8
0.8
SSE
18
1.3
SSE
18
1.5
SSE
16
1.7
SSE
16
1.8
SSE
16
1.7
SSE
15
Wave Graph
Metric surfscale
Energy kJ
158
156
156
119
117
78
74
51
50
49
45
42
71
48
257
273
196
230
381
961
1137
1375
1479
1275
Wind (km/h)
5
SE
5
S
0
W
15
N
25
NE
10
WNW
5
WNW
5
NNW
5
W
15
SW
15
WSW
15
W
20
W
25
WSW
20
W
20
W
20
W
20
WSW
15
WSW
10
WSW
10
W
10
W
5
W
5
W
glassy
glassy
glassy
cross
cross-on
off
cross-off
cross-off
glassy
cross-off
cross-off
off
off
off
off
off
off
off
off
off
off
off
glassy
off
High Tide
3:13PM1.16m
2:48AM0.91m
3:56PM1.10m
3:17AM0.90m
4:41PM1.00m
3:49AM0.89m
Low Tide
9:05AM0.06m
10:01PM0.35m
9:45AM0.06m
10:47PM0.47m
10:29AM0.09m
11:35PM0.57m
clear
light rain
light rain
mod rain
light rain
light rain
light rain
light rain
thunderstorm
thunderstorm
light rain
light rain
light rain
light rain
cloud
cloud
part cloud
light rain
light rain
light rain
light rain
light rain
light rain
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:28
6:30
6:30
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:24
5:24
5:23
5:23
1
1
6
3
1
2
1
1
1
1
2
1
1
1
1
1
1
1
1
1
Temp °C
25
23
22
21
21
22
22
22
23
23
22
21
21
21
21
21
20
21
21
21
20
20
20
21
27
25
25
22
20
24
25
25
26
25
23
21
21
20
20
20
19
21
22
22
21
21
22
23
Swell 1
Height (m)
Direction
Period (s)
0.8
SSE
11
0.8
SSE
11
0.8
SSE
11
0.7
SSE
11
0.7
SSE
11
0.6
S
10
0.6
S
10
0.5
S
10
0.5
S
10
0.5
S
10
0.4
SSE
10
0.4
SSE
10
0.4
SSE
10
0.3
SSE
16
0.3
SSE
13
1.4
S
8
1.2
S
8
1.3
S
8
1.3
SSE
8
1.4
SSE
8
1.5
SSE
16
1.7
SSE
16
1.8
SSE
16
1.7
SSE
15
Energy kJ
158
156
156
119
117
78
74
51
50
49
31
31
31
48
35
273
196
230
240
238
1137
1375
1479
1275
Swell 2
Height (m)
Direction
Period (s)
0.1
E
7
0.1
E
7
0.1
E
7
0.1
E
7
0.1
E
7
0.4
NE
3
0.3
NE
3
0.2
ENE
4
0.2
E
4
0.2
SSE
16
0.3
SSE
15
0.3
SSE
15
0.4
SSE
15
0.3
SSE
13
0.2
SSE
16
0.4
SSE
13
0.3
SSE
15
0.5
SSE
19
0.8
SSE
18
1.3
SSE
18
1.3
SSE
8
1.1
SSE
7
1
SE
7
0.9
SE
7
Energy kJ
1
1
1
1
1
2
2
1
1
25
45
42
71
35
26
59
45
214
381
961
196
134
99
79
Swell 3
Height (m)
Direction
Period (s)
0.1
SE
12
0.1
SE
12
0.1
SE
12
0.1
S
18
0.1
S
18
0.1
SE
5
0.1
SE
17
0.1
SE
16
0.2
SSE
16
0.2
E
4
0.2
E
4
0.2
E
4
0.2
E
4
0.1
E
7
0.2
SSE
16
0.2
SSE
20
0.4
SSE
15
0.6
SSE
14
0.2
E
7
1.1
SE
7
1
S
8
Energy kJ
6
6
6
6
6
1
11
11
26
1
1
2
2
1
25
40
73
165
4
112
121
Wind waves
Height (m)
Direction
Period (s)
0.4
NE
4
0.3
SW
2
0.7
SW
4
0.7
SW
5
0.6
SW
5
1
SSW
9
1.3
S
9
1.8
SSW
8
0.5
W
3
1.1
SE
7
1.2
SE
7
Energy kJ
3
1
18
27
22
173
257
450
6
137
143
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
3
3
4
4
4
4
4
Distance (km)
0
0
0
12
29
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Best forecast wave conditions in São Paulo
Rating
(10 max)
1
2
2
1
1
1
1
1
1
1
1
1
1
1
2
2
2
3
3
4
4
4
4
4
Best forecast wave conditions in Brazil
Rating
(10 max)
2
2
2
2
1
2
2
1
2
2
2
1
2
3
3
3
4
4
4
4
4
4
4
5
Header Global
Rating
(10 max)
8
6
4
4
5
7
5
4
5
4
4
4
4
4
4
4
4
4
4
4
5
4
4
5
  • 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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