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Surf Forecasts:

Siriu surfForecast / Santa Catarina – Sul / Brazil

information circle48hr Weather and Surf, issued 8 pm Friday 09 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
24.5° C
 (Which is slightly cooler than normal)

How big are the waves at Siriu today?

The current surf forecast for Siriu at 1AM is: 1.1m 11s primary swell from a South direction and 0.7m 7s secondary swell from a East-northeast direction (forecast issued at 08:00pm January 09). The wind direction is predicted to be cross-shore.

Time (-03) & DateWave HeightWave Period
Morning (10 Jan)3ft (0.9m)10s
Afternoon (10 Jan)4.5ft (1.3m)6s
Evening (10 Jan)3.5ft (1.1m)7s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Fri
09
Saturday
10
Sunday
11
Monday
12
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)
0
1
1
1
1
1
0
0
2
0
1
2
2
2
2
1
3
2
2
2
2
2
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.1
S
1
S
1.1
S
1.1
S
1
S
0.9
SSE
0.8
SSE
1.3
ENE
1.4
NE
1.1
ENE
1.2
ENE
1.3
ENE
1.2
ENE
1.2
ENE
1.4
NE
1.4
ENE
1.8
NE
1.6
NE
1.3
ENE
1.3
ENE
1.2
ENE
1.2
ENE
1.1
ENE
1
ENE
Period(s) (?)99111111101067778888888888888
Wave
Graph
(?)Metric surfscale
Energy kJ (?)189153297291233184136137158113131173170179255242413372249249197181149130
Wind
(km/h)
20
NE
15
NNE
15
NNE
15
NNE
15
N
15
NNE
30
NE
25
NNE
15
NNW
15
NNE
5
NNW
10
NW
10
NW
5
NW
10
ENE
10
ENE
5
NW
10
NNE
10
NNW
10
NW
10
WNW
5
NW
5
ESE
10
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		crosscrosscrosscrosscrosscross-
on		cross-
on		cross-
off		crosscross-
off		cross-
off		cross-
off		glassoncross-
on		glasscross-
on		cross-
off		cross-
off		offglassonon
High Tide
/ height (m)
4:54PM
0.64
5:42AM
0.52
11:51AM
0.39
5:48PM
0.57
6:19AM
0.50
7:10PM
0.50
11:28PM
0.47
7:13AM
0.47
Low Tide
/ height (m)
12:48AM
0.29
9:55AM
0.39
12:51PM
0.39
1:59AM
0.36
2:29PM
0.36
10:22PM
0.46
3:33AM
0.40
Fri
09
Saturday
10
Sunday
11
Monday
12
Sunrise----5:26-------5:28-------5:28---
Sunset7:15-------7:15-------7:15-------
clear
part cloud
part cloud
cloud
part cloud
part cloud
clear
cloud
heavy rain
thunderstorm
light rain
part cloud
cloud
cloud
cloud
part cloud
thunderstorm
heavy rain
light rain
cloud
light rain
thunderstorm
thunderstorm
thunderstorm
Rain (mm)
--------2222-----22291-1212
Temp. °C262424232327302822232323232528262422222322242625
Feels °C (?)272626252529292823252625252830292824242624272828
  • 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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