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

information circle48hr Weather and Surf, issued 2 pm Wednesday 18 Feb 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
28.5° C
(Which is 2.2°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 11PM is: 0.5m 7s primary swell from a East direction and 0.3m 9s secondary swell from a South direction (forecast issued at 02:00pm February 18). The wind direction is predicted to be offshore.

Time (-03) & DateWave HeightWave Period
Morning (18 Feb)--
Afternoon (18 Feb)2ft (0.6m)7s
Evening (18 Feb)1.5ft (0.5m)7s

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

Updates in  hr  min  s Forecast update imminent
Wednesday
18
Thursday
19
Friday
20
Saturday
21
12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM
Rating
(10 max)
0
1
1
1
1
1
1
0
0
0
0
0
0
1
1
1
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.6
E
0.6
E
0.5
E
0.5
E
0.5
E
0.4
ESE
0.4
ESE
0.4
ESE
0.3
ESE
0.2
SSE
0.7
S
0.4
SSE
0.4
SSE
0.5
SSE
0.5
SSE
0.5
SSE
0.6
SSE
0.6
SSE
0.9
SSE
0.8
SSE
0.8
SSE
0.7
SSE
0.6
SSE
0.7
SSE
Period(s) (?)7777777771261111101010109999999
Wave
Graph
(?)Metric surfscale
Energy kJ (?)3636242425171616101429404759575674691339492716186
Wind
(km/h)
10
S
5
SSW
5
W
5
W
10
W
15
W
15
W
15
WSW
10
SW
10
S
10
S
10
SE
5
ENE
0
SSE
5
NE
5
SSE
15
SSE
15
SE
15
ESE
15
ESE
15
ESE
10
E
5
ESE
10
SE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
off
glassoffoffoffoffoffcross-
off
crosscrosscross-
on
onglassglassglasscross-
on
cross-
on
cross-
on
onononcross-
on
cross-
on
High Tide
/ height (m)
3:07PM
1.22
3:49AM
1.14
3:38PM
1.23
4:13AM
1.09
4:11PM
1.20
4:39AM
1.02
Low Tide
/ height (m)
9:39AM
0.22
9:57PM
-0.07
10:08AM
0.23
10:32PM
0.00
10:37AM
0.25
11:07PM
0.12
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunrise------5:50-------5:50-------5:50-
Sunset--6:38-------6:37-------6:37-----
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
part cloud
clear
clear
clear
part cloud
thunderstorm
thunderstorm
cloud
cloud
part cloud
part cloud
light rain
Rain (mm)
-12112222-11-----11----1
Temp. °C292928272625262728282626252525262726262525252525
Feels °C (?)323333312927282930302930293029302928282627282827
  • 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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