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Surf Forecasts:

Siriu surfForecast / Santa Catarina – Sul / Brazil

information circle48hr Weather and Surf, issued 2 am Thursday 20 Nov 2025 -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
20.7° C
 (Which is 1.8°C colder than average for this time of year)

How big are the waves at Siriu today?

The current surf forecast for Siriu at 5AM is: 2.1m 16s primary swell from a South-southeast direction and 0.3m 7s secondary swell from a East-northeast direction (forecast issued at 02:00am November 20). The wind direction is predicted to be cross-offshore and the swell rating is 4.

Time (-03) & DateWave HeightWave Period
Morning (20 Nov)7ft (2.2m)16s
Afternoon (20 Nov)7ft (2.2m)14s
Evening (20 Nov)5ft (1.6m)13s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Thursday
20
Friday
21
Saturday
22
0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM
Rating
(10 max)
3
4
4
2
0
0
1
1
1
1
0
0
0
0
0
1
1
0
0
1
0
0
0
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.6
S
1.2
SSE
2.1
SSE
2.2
SSE
2.2
SSE
2.2
SSE
2
SSE
1.6
SSE
1.4
SSE
1.2
SSE
1.1
S
1
S
0.9
SSE
0.8
SSE
0.8
SSE
0.7
SSE
0.7
SSE
0.7
SSE
0.7
SSE
0.7
SSE
0.7
SSE
0.7
S
0.8
S
0.9
SSE
Period(s) (?)91516161514141313121213131212121212111111111010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)37759622992276204818861421929669461359324273198192147145137130126123114141173
Wind
(km/h)
10
WSW
5
W
10
NNW
20
NNE
25
NE
30
NE
30
NNE
30
N
30
N
20
N
25
N
30
NNE
30
NNE
30
NNE
25
NNE
20
N
20
SW
20
SW
20
SSW
15
SSW
20
S
15
S
15
SSE
10
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		offcross-
off		crosscross-
on		cross-
on		crosscrosscrosscrosscrosscrosscrosscross-
on		crosscrosscross-
off		cross-
off		cross-
off		cross-
off		crosscrosscrosscross
High Tide
/ height (m)
1:11PM
0.64
2:11AM
0.75
1:37PM
0.64
2:45AM
0.73
2:07PM
0.64
Low Tide
/ height (m)
8:12AM
0.28
7:50PM
0.07
8:46AM
0.32
8:20PM
0.07
9:22AM
0.35
8:55PM
0.08
Thursday
20
Friday
21
Saturday
22
Sunrise--5:11-------5:11-------5:11-----
Sunset------6:47-------6:47-------6:49-
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
cloud
light rain
light rain
Rain (mm)
----------------------42
Temp. °C161516202323211818181821252622202020202122211919
Feels °C (?)141314161918171414151517202220191919192021211920
  • 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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