Siriu surfForecast / Santa Catarina – Sul / Brazil

information circle48hr Weather and Surf, issued 2 pm Monday 13 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
22.1° C
(Which is 2.0°C colder than average for this time of year)

How big are the waves at Siriu today?

The current surf forecast for Siriu at 10PM is: 1.2m 6s primary swell from a Northeast direction and 1.0m 6s secondary swell from a East-northeast direction, 0.4m 10s secondary swell from a Southeast direction (forecast issued at 02:00pm April 13). The wind direction is predicted to be cross-shore.

Time (-03) & DateWave HeightWave Period
Morning (13 Apr)--
Afternoon (13 Apr)3.5ft (1.1m)6s
Evening (13 Apr)4ft (1.2m)6s

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


Updates in  hr  min  s Forecast update imminent
Monday
13
Tuesday
14
Wednesday
15
Thursday
16
12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM
Rating
(10 max)
0
0
1
1
2
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
1
Swell
Height Map
Wave Height (m) & direction (?)
1.4
NE
1.1
ENE
1.3
NE
1.2
NE
1.2
ENE
1.2
ENE
1.2
ENE
1
ENE
0.9
ENE
0.9
ENE
0.4
SSE
0.9
ENE
0.8
ENE
1
ENE
1.1
E
1.1
E
1.1
E
0.5
SE
1.2
E
1.1
E
1.1
E
1.7
E
1.8
E
1.6
E
Period(s) (?)66666666661266566614699777
Wave
Graph
(?)Metric surfscale
Energy kJ (?)13994124112999690684848464940627780809798194184266311246
Wind
(km/h)
20
NE
20
NE
15
NNE
15
N
10
NNW
10
N
15
NNE
15
NNE
20
NE
20
NE
20
NE
15
NNE
15
NNE
15
NNE
15
NNE
15
NNE
20
NE
25
NE
20
NE
20
NE
20
NE
20
NNE
20
NNE
20
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
crosscrosscross-
off
cross-
off
crosscross-
on
cross-
on
cross-
on
cross-
on
crosscrosscross-
on
crosscrosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscrosscross
High Tide
/ height (m)
Low Tide
/ height (m)
Monday
13
Tuesday
14
Wednesday
15
Thursday
16
Sunrise-------6:31-------6:31-------6:31
Sunset-5:59-------5:58-------5:57------
thunderstorm
thunderstorm
thunderstorm
rain showers
clear
rain showers
rain showers
clear
clear
clear
clear
clear
rain showers
rain showers
rain showers
rain showers
clear
part cloud
clear
part cloud
rain showers
rain showers
cloud
cloud
Rain (mm)
1121-11-----1111----11--
Temp. °C262523222221222425252322222222232525232322222223
Feels °C (?)262524232422232525242323222223242424232322222323
  • 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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