Siriu surfForecast / Santa Catarina – Sul / Brazil

information circle48hr Weather and Surf, issued 2 pm Sunday 12 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
22.5° C
(Which is 1.7°C colder than average for this time of year)

How big are the waves at Siriu today?

The current surf forecast for Siriu at 8PM is: 1.0m 11s primary swell from a Southeast direction and 0.9m 6s secondary swell from a East-northeast direction, 1.2m 6s secondary swell from a East-northeast direction (forecast issued at 02:00pm April 12). The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (-03) & DateWave HeightWave Period
Morning (12 Apr)--
Afternoon (12 Apr)3.5ft (1.1m)11s
Evening (12 Apr)3.5ft (1.0m)11s

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


Updates in  hr  min  s Forecast update imminent
Sunday
12
Monday
13
Tuesday
14
Wednesday
15
12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM
Rating
(10 max)
2
0
1
1
2
2
2
2
0
0
1
1
2
2
1
1
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.1
SE
1.1
SE
1
SE
1
SE
0.9
SE
0.8
SE
1.4
NE
1.4
NE
1.3
ENE
1.1
ENE
1.1
ENE
1.3
NE
1.2
NE
1.1
NE
1.1
NE
1.1
NE
0.9
ENE
0.9
ENE
0.9
ENE
0.9
ENE
0.9
ENE
0.9
ENE
0.3
SE
0.4
SE
Period(s) (?)11111111111166666666666666661515
Wave
Graph
(?)Metric surfscale
Energy kJ (?)31432023723316614515714412897941241068380865353485149493757
Wind
(km/h)
5
NNW
20
NE
15
N
15
N
10
NNW
10
NNW
10
NNW
5
NNW
15
NE
20
NE
15
NNE
15
N
10
NNW
10
N
15
N
15
NNE
15
NNE
20
NE
15
NNE
15
NNE
15
N
20
NNE
10
NNE
15
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glasscross-
on
crosscrosscross-
off
cross-
off
cross-
off
glasscross-
on
cross-
on
crosscrosscross-
off
cross-
off
crosscrosscross-
on
cross-
on
cross-
on
cross-
on
crosscrosscrosscross
High Tide
/ height (m)
Low Tide
/ height (m)
Sunday
12
Monday
13
Tuesday
14
Wednesday
15
Sunrise-------6:30-------6:31-------6:31
Sunset--6:00------5:59-------5:58------
cloud
cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
thunderstorm
clear
clear
rain showers
rain showers
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
Rain (mm)
-----------1--11--------
Temp. °C242423222121212325262422222122232526232222222124
Feels °C (?)262323222121212425262523242323242525232222222124
  • 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.


Nearest locationNearest
Nearest locationNearest
Nearest locationNearest