Siriu surfForecast / Santa Catarina – Sul / Brazil

information circle48hr Weather and Surf, issued 8 am Monday 19 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
26.0° C
(Which is slightly warmer than usual)


How big are the waves at Siriu today?

The current surf forecast for Siriu at 8PM is: 2.2m 8s primary swell from a South-southeast direction and 0.4m 8s secondary swell from a East-northeast direction (forecast issued at 08:00am January 19). The wind direction is predicted to be cross-offshore.

Time (-03) & DateWave HeightWave Period
Morning (19 Jan)5.5ft (1.7m)7s
Afternoon (19 Jan)7ft (2.2m)8s
Evening (19 Jan)8ft (2.5m)8s

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

Updates in  hr  min  s Forecast update imminent
Monday
19
Tuesday
20
Wednesday
21
Thu
22
6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM
Rating
(10 max)
0
1
0
2
2
3
4
3
2
2
1
0
0
1
1
1
1
0
0
0
0
0
1
2
Swell
Height Map
Wave Height (m) & direction (?)
1.7
S
1.7
S
1.8
S
2.2
SSE
2.3
SSE
2.5
S
2.3
SSE
1.9
SSE
1.8
SSE
1.4
SE
1.3
SE
1.3
SE
1.1
SE
1.1
SE
1.1
SE
1.1
SE
1.1
SE
1.1
SE
1.1
SE
1.3
SE
1.3
SE
1.3
SE
1.3
SE
1.4
SE
Period(s) (?)77788888888888888889991010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)247274348615722857688465422286244193157161165167165169173269269275334380
Wind
(km/h)
30
SSW
30
SSW
30
S
30
S
25
SSW
20
S
15
S
15
SW
10
SW
10
SSW
10
S
15
SE
15
ESE
10
E
10
NE
10
NE
10
NE
15
NE
15
NE
20
ENE
20
ENE
15
ENE
10
NE
5
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
crosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscross-
on
cross-
on
oncross-
on
cross-
on
cross-
on
cross-
on
cross-
on
ononcross-
on
cross-
on
glass
High Tide
/ height (m)
2:03PM
0.72
3:16AM
0.76
2:34PM
0.76
3:44AM
0.74
3:07PM
0.77
Low Tide
/ height (m)
9:09AM
0.29
9:10PM
-0.03
9:40AM
0.31
9:48PM
-0.02
10:13AM
0.32
10:28PM
0.01
Monday
19
Tuesday
20
Wednesday
21
Thu
22
Sunrise5:35-------5:35-------5:35-------
Sunset----7:14-------7:14-------7:14---
part cloud
rain showers
light rain
rain showers
light rain
cloud
cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
cloud
clear
clear
clear
cloud
clear
clear
Rain (mm)
-1311-------------------
Temp. °C222222212121201919212223222221212123242423212120
Feels °C (?)191919171718171718192021202120202021222121192020
  • 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.


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