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Surf Forecasts:

Siriu surfForecast / Santa Catarina – Sul / Brazil

information circle48hr Weather and Surf, issued 8 pm Friday 13 Mar 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
26.1° C
 (Which is slightly warmer than usual)

How big are the waves at Siriu today?

The current surf forecast for Siriu at 3AM is: 1.3m 8s primary swell from a East direction and 1.1m 10s secondary swell from a Southeast direction (forecast issued at 08:00pm March 13). The wind direction is predicted to be offshore and the swell rating is 2.

Time (-03) & DateWave HeightWave Period
Morning (14 Mar)4ft (1.2m)9s
Afternoon (14 Mar)3.5ft (1.1m)8s
Evening (14 Mar)4.5ft (1.3m)11s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Fri
13
Saturday
14
Sunday
15
Monday
16
6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM
Rating
(10 max)
1
2
2
2
3
2
0
0
1
3
3
2
2
2
0
0
1
2
2
2
2
1
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1
SE
1.2
SE
1.1
SE
1.1
SE
1.3
E
1.2
E
1.3
E
1.1
E
1.1
E
1.3
ESE
1.7
ESE
1.7
ESE
1.7
ESE
1.6
ESE
1.6
ESE
1.7
E
1.6
E
1.6
ESE
1.6
ESE
1.6
ESE
1.6
ESE
1.6
ESE
1.7
ESE
1.6
ESE
Period(s) (?)1010101099889111010101010101010101010101011
Wave
Graph
(?)Metric surfscale
Energy kJ (?)196281245245247210235171180346551573551473544586541555510510510510585550
Wind
(km/h)
10
S
10
SW
5
W
5
W
5
W
0
NE
10
E
15
E
10
ENE
5
NE
5
NE
10
NNE
10
N
15
N
20
NE
20
NE
15
NE
15
NNE
15
NNE
15
N
15
N
15
NNE
25
NE
30
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
off		offoffglassglassonononglassglasscrosscrosscrosscross-
on		cross-
on		cross-
on		crosscrosscrosscrosscross-
on		cross-
on		cross-
on
High Tide
/ height (m)
12:45AM
0.71
12:00PM
0.55
1:06AM
0.76
12:19PM
0.63
1:28AM
0.80
12:42PM
0.71
Low Tide
/ height (m)
5:12PM
0.17
6:23AM
0.32
6:00PM
0.08
6:49AM
0.28
6:40PM
0.00
7:17AM
0.24
Fri
13
Saturday
14
Sunday
15
Monday
16
Sunrise-----6:13-------6:13-------6:15--
Sunset6:32-------6:31-------6:30-------
thunderstorm
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
Rain (mm)
1-----------------------
Temp. °C242221212123252524242323222529272524242423262828
Feels °C (?)262423232326262626272625242629272727262625272827
  • 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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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.

View detailed surf forecast for Siriu at:
surf-forecast.com

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