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Surf Forecasts:

Siriu surfForecast / Santa Catarina – Sul / Brazil

information circle48hr Weather and Surf, issued 2 am Saturday 31 Jan 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
25.8° C
 (Which is normal for this time of year)

How big are the waves at Siriu today?

The current surf forecast for Siriu at 5AM is: 0.5m 10s primary swell from a South direction and 0.6m 5s secondary swell from a South direction, 0.5m 7s secondary swell from a East-northeast direction (forecast issued at 02:00am January 31). An open ocean swell of 0.8m 5s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (-03) & DateWave HeightWave Period
Morning (31 Jan)1.5ft (0.5m)9s
Afternoon (31 Jan)2.5ft (0.8m)9s
Evening (31 Jan)2ft (0.6m)15s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Saturday
31
Sunday
01
Monday
02
0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM
Rating
(10 max)
1
1
1
1
0
0
0
2
2
2
2
2
0
0
1
2
2
2
2
2
0
0
1
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.5
S
0.5
S
0.5
S
0.5
S
0.9
S
0.8
S
0.8
S
0.6
SE
0.6
SE
0.6
SE
0.8
SE
0.7
SE
0.6
SE
1
SSE
1.1
SSE
0.8
SE
1
SSE
1
SSE
1.2
SSE
1.4
SSE
1.1
SE
1
SSE
1
SSE
1
SSE
Period(s) (?)101010999815141414141399138888912129
Wave
Graph
(?)Metric surfscale
Energy kJ (?)484644411279778136167158231181140169176199154140192250170299294157
Wind
(km/h)
15
SW
15
WSW
10
WSW
10
SSW
15
SSE
10
S
10
S
10
WSW
5
W
5
WNW
5
WNW
5
SSW
15
SE
15
SE
15
SSE
5
SW
5
WNW
10
NNW
5
NW
0
SSE
15
SE
15
ESE
10
E
5
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		offoffcross-
off		cross-
on		crosscrossoffoffoffcross-
off		glasscross-
on		cross-
on		crossglasscross-
off		cross-
off		cross-
off		glasscross-
on		ononcross-
on
High Tide
/ height (m)
12:48PM
0.56
3:00AM
0.79
1:11PM
0.64
3:08AM
0.74
1:39PM
0.72
Low Tide
/ height (m)
8:25AM
0.33
7:57PM
-0.05
8:51AM
0.35
8:35PM
-0.07
9:13AM
0.37
Saturday
31
Sunday
01
Monday
02
Sunrise--5:45-------5:46-------5:46-----
Sunset------7:09-------7:08-------7:08-
clear
clear
clear
clear
part cloud
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
-----121-11-------------
Temp. °C222221252524242222212123262525232222212527262524
Feels °C (?)232322262626262425232326272625252424232828272727
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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