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Surf Forecasts:

Siriu surfForecast / Santa Catarina – Sul / Brazil

information circle48hr Weather and Surf, issued 2 pm Saturday 10 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
24.6° C
 (Which is slightly cooler than normal)

How big are the waves at Siriu today?

The current surf forecast for Siriu at 9PM is: 1.3m 7s primary swell from a East-northeast direction and 0.5m 10s secondary swell from a South direction (forecast issued at 02:00pm January 10). An open ocean swell of 0.4m 4s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (-03) & DateWave HeightWave Period
Morning (10 Jan)--
Afternoon (10 Jan)2.5ft (0.8m)10s
Evening (10 Jan)4.5ft (1.3m)7s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Saturday
10
Sunday
11
Monday
12
Tuesday
13
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)
1
0
0
1
1
1
2
2
1
2
2
3
3
2
2
2
0
0
0
1
1
1
1
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.9
SSE
0.8
SSE
1.4
NE
1.3
ENE
1.1
ENE
1.1
ENE
1.1
ENE
1.2
ENE
1.2
ENE
1.2
ENE
1.3
ENE
1.6
NE
1.8
NE
1.3
ENE
1.2
ENE
1.2
ENE
1.1
ENE
1.1
ENE
1.1
ENE
1
ENE
1.1
ENE
1.1
ENE
1.1
ENE
1.1
ENE
Period(s) (?)10106778888888888888888888
Wave
Graph
(?)Metric surfscale
Energy kJ (?)170131149142111138142170170170212346449255197181149146142113138149149149
Wind
(km/h)
15
NNE
25
NNE
20
NNE
15
N
5
NNE
15
N
15
N
10
NNW
10
ENE
5
SSW
5
SE
5
NNW
15
NNW
10
WNW
0
WNW
5
SSE
10
ENE
10
NE
5
SSE
5
W
10
SW
0
NW
5
NNW
10
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
on		crosscrossglasscrosscross-
off		cross-
off		cross-
on		cross-
off		glassglasscross-
off		cross-
off		glassglasscross-
on		cross-
on		cross-
on		offcross-
off		glasscross-
off		cross-
on
High Tide
/ height (m)
11:51AM
0.39
5:48PM
0.57
6:19AM
0.50
7:10PM
0.50
11:28PM
0.47
7:13AM
0.47
12:11AM
0.54
Low Tide
/ height (m)
9:55AM
0.39
12:51PM
0.39
1:59AM
0.36
2:29PM
0.36
10:22PM
0.46
3:33AM
0.40
3:52PM
0.30
5:11AM
0.40
Saturday
10
Sunday
11
Monday
12
Tuesday
13
Sunrise------5:28-------5:28-------5:30-
Sunset--7:15-------7:15-------7:15-----
cloud
part cloud
cloud
thunderstorm
thunderstorm
cloud
cloud
part cloud
cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
light rain
light rain
cloud
thunderstorm
cloud
cloud
thunderstorm
part cloud
thunderstorm
part cloud
clear
Rain (mm)
---211----112311-1--1-1--
Temp. °C292826252323232628252523232322252427252323232226
Feels °C (?)302827272725242929282926242626292730282626282528
  • 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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