Surf Forecast Surf Report

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

information circle12 Day Weather and Surf, issued 2 pm Thursday 08 May 2025 -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
24.6° C
(Which is slightly warmer than usual)


Best Forecast Surf Conditions for Praia dos Castelhanos (Ilha Bela) this week:

The surf forecast for Praia dos Castelhanos (Ilha Bela) over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (May 09) at 6AM. The primary swell is predicted to be 0.8m and 7s period with a secondary swell of 0.4m and 11s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Praia dos Castelhanos (Ilha Bela) in the next 12 days are 1.6m 8s and forecast to arrive on Thursday (May 15) at 6AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 3s period and expected on Saturday (May 10) at 12PM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Fri 9th May)2.5ft (0.8m) 7s
Best Surf 6AM (Fri 9th May)2.5ft (0.8m) 7s
Most Powerful 6AM (Thu 15th May)5ft (1.6m) 8s

Table - best surf conditions forecast for Praia dos Castelhanos (Ilha Bela) over the next 12 days.

Updates in  hr  min  s Forecast update imminent
Thu
08
Friday
09
Saturday
10
Sunday
11
Monday
12
Tuesday
13
Wednesday
14
Thursday
15
Friday
16
Saturday
17
Sunday
18
Monday
19
Tue
20
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.5
SSE
0.4
SSE
0.9
ESE
0.8
ESE
0.6
ESE
0.6
ESE
0.6
ESE
1
S
1
S
1
SSE
0.9
SSE
1.2
SSE
1.2
SSE
1.1
SE
1
ESE
1
SE
1.1
SE
1.1
SE
1.1
SE
1.2
SE
0.9
SE
0.8
SE
1.3
E
0.8
ESE
0.8
ESE
0.8
ESE
1
ESE
0.9
ESE
0.8
ESE
0.4
SSE
0.4
S
0.5
S
1.1
S
1
S
1
S
0.9
SSE
Period(s) (?)12138778867781110769888888888788812111212111213
Wave
Graph
(?)Metric surfscale
Energy (?)875881624244447510911410731928512568148165161138201104772177474701168973513769336253304273
Wind
(km/h)
15
E
10
NNE
5
NW
10
ESE
10
N
5
W
20
SW
5
S
15
SSE
15
SSE
10
ESE
15
E
15
ENE
20
ENE
15
NE
20
ENE
20
NE
10
NE
20
ENE
20
ENE
10
NE
15
ENE
10
NE
5
NNE
15
E
10
NE
5
NW
5
SE
5
N
10
WSW
15
SW
10
NW
10
W
5
SSW
5
N
10
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on
cross-
off
cross-
on
crossoffcross-
off
glasscross-
on
cross-
on
ononononcross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
oncross-
on
cross-
on
oncross-
on
glasscross-
on
glasscross-
off
cross-
off
cross-
off
offcross-
off
glasscross-
on
High Tide
/ height (m)
12:54AM
0.96
12:55PM
1.02
1:14AM
0.98
1:26PM
1.07
1:34AM
0.99
1:57PM
1.10
1:54AM
0.99
2:27PM
1.11
2:16AM
0.98
2:57PM
1.10
2:42AM
0.98
3:30PM
1.08
3:11AM
0.96
4:06PM
1.04
3:46AM
0.94
4:47PM
0.98
4:27AM
0.91
5:39PM
0.92
5:16AM
0.86
6:47PM
0.87
6:16AM
0.82
8:51PM
0.85
7:38AM
0.79
Low Tide
/ height (m)
6:34PM
0.22
6:48AM
0.29
7:09PM
0.20
7:18AM
0.21
7:43PM
0.21
7:47AM
0.15
8:16PM
0.23
8:17AM
0.11
8:49PM
0.26
8:48AM
0.09
9:23PM
0.31
9:21AM
0.09
10:00PM
0.36
9:59AM
0.12
10:43PM
0.42
10:44AM
0.16
11:37PM
0.48
11:43AM
0.22
12:47AM
0.53
12:59PM
0.26
2:06AM
0.55
2:19PM
0.27
3:22AM
0.53
Thu
08
Friday
09
Saturday
10
Sunday
11
Monday
12
Tuesday
13
Wednesday
14
Thursday
15
Friday
16
Saturday
17
Sunday
18
Monday
19
Tue
20
Sunrise--6:24--6:24--6:26--6:26--6:26--6:26--6:28--6:28--6:28--6:28--6:30--6:30
Sunset5:30--5:29--5:29--5:28--5:28--5:27--5:27--5:25--5:25--5:24--5:24--5:23--
clearclearclearclearclearclearthunderstorm mod rainmod rainlight rainlight rainlight rainpart cloudrain showersrain showersrain showerspart cloudclearclearclearclearclearclearclearclearclearclearclearpart cloudclearpart cloudpart cloudclearclearclearclear
Rain (mm)
------1106342-411--------------------
Temp. °C242528272728252222222121212022222122222222222123232224242325242223232222
Feels °C (?)252630282829262423212121201922211922212122222225242325262526242425252522

Short Range Forecast: Moderate rain (total 17mm), heaviest on Sat night. Warm (max 28°C on Fri morning, min 21°C on Sat night). Wind will be generally light.

Days 3-6 Weather Summary Moderate rain (total 15mm), heaviest on Sun afternoon. Warm (max 22°C on Sun afternoon, min 20°C on Sun night). Wind will be generally light.

Days 6-9 Weather Summary Mostly dry. Warm (max 24°C on Sat morning, min 20°C on Wed night). Wind will be generally light.

Long Range Forecast: Mostly dry. Warm (max 25°C on Sun morning, min 20°C on Mon night). Wind will be generally light.

  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Praia dos Castelhanos (Ilha Bela) Surf forecast

The above surf forecast table for Praia dos Castelhanos (Ilha Bela) provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Praia dos Castelhanos (Ilha Bela) can be found by selecting the local surf guide option on the grey menu. Our Praia dos Castelhanos (Ilha Bela) surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Praia dos Castelhanos (Ilha Bela)) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Praia dos Castelhanos (Ilha Bela) may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Praia dos Castelhanos (Ilha Bela) is 11 km (7 miles) from the city of Ilhabela. If you plan a holiday in São Paulo, look for hotels and other accommodation in Ilhabela. Ilhabela has rooms for a wide range of budgets as well as car hire and transport links.

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