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Surf Forecasts:

Siriu surfForecast / Santa Catarina – Sul / Brazil

information circle48hr Weather and Surf, issued 8 pm Thursday 08 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: 0.6m 7s primary swell from a East-northeast direction and 0.3m 4s secondary swell from a South direction (forecast issued at 08:00pm January 08). An open ocean swell of 0.4m 4s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (-03) & DateWave HeightWave Period
Morning (09 Jan)2.5ft (0.7m)7s
Afternoon (09 Jan)3.5ft (1.0m)9s
Evening (09 Jan)3.5ft (1.0m)9s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Thu
08
Friday
09
Saturday
10
Sunday
11
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
1
1
1
1
1
0
0
0
1
1
1
0
0
0
0
1
1
1
1
2
1
2
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.6
ENE
0.6
ENE
0.6
ENE
0.6
ENE
0.6
ENE
0.7
ENE
0.8
S
1
S
1.1
S
1
S
1.2
S
1.1
S
1.1
S
1
S
0.9
SSE
0.8
SSE
1.3
ENE
1.1
ENE
1.1
ENE
1.2
ENE
1.2
ENE
1.2
ENE
1.4
NE
1.4
ENE
Period(s) (?)6677771099911111110101067778888
Wave
Graph
(?)Metric surfscale
Energy kJ (?)323334343649116146185150351286281221170131130110108147159163255242
Wind
(km/h)
10
SW
10
SSW
5
SW
5
W
10
SW
5
SSE
10
E
10
ENE
15
NE
10
N
15
N
15
N
20
NNE
20
NNE
30
NNE
30
NNE
20
NNW
15
NNW
5
WNW
5
NNE
10
N
15
N
15
NNE
20
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		cross-
off		glasscross-
off		glassononcross-
on		crosscrosscrosscrosscrosscross-
on		cross-
on		cross-
off		cross-
off		cross-
off		crosscross-
off		crosscrosscross
High Tide
/ height (m)
4:08PM
0.69
5:10AM
0.54
4:54PM
0.64
5:42AM
0.52
11:51AM
0.39
5:48PM
0.57
6:19AM
0.50
Low Tide
/ height (m)
12:00AM
0.21
9:11AM
0.40
12:48AM
0.29
9:55AM
0.39
12:51PM
0.39
1:59AM
0.36
2:29PM
0.36
Thu
08
Friday
09
Saturday
10
Sunday
11
Sunrise----5:26-------5:26-------5:28---
Sunset7:15-------7:15-------7:15-------
thunderstorm
part cloud
clear
clear
part cloud
part cloud
clear
thunderstorm
clear
part cloud
part cloud
thunderstorm
cloud
part cloud
clear
clear
light rain
cloud
cloud
part cloud
cloud
cloud
cloud
part cloud
Rain (mm)
2------1---1----5-------
Temp. °C242322212124262525242323232730282223232323242730
Feels °C (?)272525232327282727272525242829272224262625252730
  • 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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