Siriu surfForecast / Santa Catarina – Sul / Brazil

information circle48hr Weather and Surf, issued 8 pm Friday 10 Apr 2026 -03
Forecast update in hr  min  s Forecast update imminent
Siriu surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Siriu sea temperature is
23.7° C
(Which is slightly cooler than normal)

How big are the waves at Siriu today?

The current surf forecast for Siriu at 1AM is: 2.1m 12s primary swell from a South-southeast direction and 0.4m 8s secondary swell from a East-northeast direction (forecast issued at 08:00pm April 10). The wind direction is predicted to be offshore and the swell rating is 4.

Time (-03) & DateWave HeightWave Period
Morning (11 Apr)6.5ft (2.0m)12s
Afternoon (11 Apr)6ft (1.8m)12s
Evening (11 Apr)5ft (1.5m)11s

Table - waves today at Siriu. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent
Fri
10
Saturday
11
Sunday
12
Monday
13
6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM
Rating
(10 max)
3
4
4
4
4
4
1
0
0
1
1
2
2
2
1
1
1
1
1
1
1
1
0
0
Swell
Height Map
Wave Height (m) & direction (?)
2.3
SSE
2.2
SSE
2.1
SSE
2.1
SSE
2.1
SSE
2
SSE
1.9
SSE
1.8
SE
1.6
SE
1.5
SSE
1.5
SE
1.4
SE
1.2
SE
1.2
SE
1.1
SE
1.1
SE
1
SE
0.9
SE
0.9
SE
1.1
E
1.1
E
1.2
E
1.1
ENE
1.1
ENE
Period(s) (?)1212121212121212111111111111111111111177777
Wave
Graph
(?)Metric surfscale
Energy kJ (?)160514591323121712171080972857662563544447354354314278237172169115113134118118
Wind
(km/h)
10
S
5
SW
5
WSW
10
WSW
5
W
0
NE
15
NE
20
NE
20
NE
20
NNE
20
NNE
20
NNE
15
N
15
N
15
NNE
15
N
15
N
15
N
15
N
15
N
10
N
15
NNE
20
NE
25
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
off
offoffoffglasscross-
on
cross-
on
cross-
on
cross-
on
crosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscross-
on
cross-
on
High Tide
/ height (m)
11:46PM
0.65
10:48AM
0.47
Low Tide
/ height (m)
3:22PM
0.22
4:54AM
0.39
4:29PM
0.15
Fri
10
Saturday
11
Sunday
12
Monday
13
Sunrise-----6:28-------6:28-------6:30--
Sunset6:01-------6:00-------6:00------5:59
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
rain showers
cloud
cloud
cloud
cloud
cloud
cloud
cloud
clear
clear
clear
clear
clear
clear
Rain (mm)
----------1-------------
Temp. °C212119191921242422212222222323242322212121242626
Feels °C (?)202119191923242321202121222423242422212121242525
  • 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

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Siriu surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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