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Surf Forecasts:

Siriu surfForecast / Santa Catarina – Sul / Brazil

information circle48hr Weather and Surf, issued 2 pm Tuesday 20 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
26.1° C
 (Which is slightly warmer than usual)

How big are the waves at Siriu today?

The current surf forecast for Siriu at 9PM is: 1.1m 8s primary swell from a Southeast direction and 0.9m 8s secondary swell from a South direction (forecast issued at 02:00pm January 20). The wind direction is predicted to be glassy and the swell rating is 2.

Time (-03) & DateWave HeightWave Period
Morning (20 Jan)--
Afternoon (20 Jan)6ft (1.8m)8s
Evening (20 Jan)3.5ft (1.1m)8s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM
Rating
(10 max)
0
0
0
2
1
2
2
1
0
0
0
0
1
2
2
1
0
0
2
3
3
3
3
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.9
SSE
1.8
SSE
1.2
SE
1.1
SE
1.1
SE
1.1
SE
1.1
SE
1.1
SE
1.1
SE
1.1
SE
1.2
SE
1.2
SE
1.2
SE
1.2
SE
1.3
SE
1.3
SE
1.3
SE
1.2
SE
1.4
SE
1.4
SSE
1.2
SSE
1.2
SSE
1.2
SSE
1.5
ESE
Period(s) (?)88888888899910101010101011111110108
Wave
Graph
(?)Metric surfscale
Energy kJ (?)471414169157161161138145171199251246262273341355362310503450305288267253
Wind
(km/h)
20
SSE
20
SSE
15
SE
5
ESE
10
E
5
ENE
5
ENE
10
NE
15
ENE
15
ENE
15
ENE
15
ENE
10
ENE
5
NE
5
NE
10
E
15
ESE
15
SE
10
SE
5
SE
5
WSW
15
WSW
15
SW
15
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		cross-
on		glassonglassglasscross-
on		onononcross-
on		cross-
on		glassglassononcross-
on		cross-
on		glassoffoffcross-
off		cross-
off
High Tide
/ height (m)
2:34PM
0.76
3:44AM
0.74
3:07PM
0.77
4:13AM
0.70
3:42PM
0.75
4:44AM
0.65
Low Tide
/ height (m)
9:40AM
0.31
9:48PM
-0.02
10:13AM
0.32
10:28PM
0.01
10:51AM
0.34
11:12PM
0.07
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Sunrise------5:35-------5:37-------5:37-
Sunset--7:14-------7:14-------7:13-----
part cloud
part cloud
clear
part cloud
cloud
part cloud
part cloud
cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
Rain (mm)
------------------------
Temp. °C242322212121202223232322222120232424232120191923
Feels °C (?)201920212022202121212221212121222222222221181823
  • 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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