Siriu surfForecast / Santa Catarina – Sul / Brazil

information circle48hr Weather and Surf, issued 2 am Monday 27 Apr 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
23.9° C
(Which is slightly warmer than usual)

How big are the waves at Siriu today?

The current surf forecast for Siriu at 7AM is: 0.4m 7s primary swell from a East-northeast direction and 0.3m 5s secondary swell from a South direction (forecast issued at 02:00am April 27). An open ocean swell of 0.3m 3s is not directed at the surf break. The wind direction is predicted to be glassy.

Time (-03) & DateWave HeightWave Period
Morning (27 Apr)1.5ft (0.4m)7s
Afternoon (27 Apr)2.5ft (0.8m)7s
Evening (27 Apr)7.5ft (2.3m)9s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 15mm), heaviest on Wed afternoon. Warm (max 23°C on Mon morning, min 17°C on Tue afternoon). Wind will be generally light.

Monday
27
Tuesday
28
Wednesday
29
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
Rating
(10 max)
1
0
0
0
0
0
2
3
3
3
3
3
3
2
3
4
4
4
3
3
3
3
3
2
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
0.5
ENE
7
0.4
ENE
7
0.4
ENE
7
0.4
ENE
7
0.4
ENE
7
0.8
S
7
1.7
S
8
2.3
S
9
2.3
S
9
2.1
S
9
1.6
S
11
1.5
S
12
1.4
S
12
1.4
S
12
1.6
S
14
1.8
SSE
14
1.8
SSE
13
1.7
SSE
13
1.6
SSE
13
1.6
S
13
1.5
S
12
1.4
SSE
12
1.3
S
12
1.3
S
11
Wave Graph
Metric surfscale
Energy kJ
29
20
20
17
18
60
396
932
912
763
621
647
537
519
1077
1251
1197
1042
901
825
661
569
456
418
Wind (km/h)
10
SW
5
WSW
5
WSW
0
S
10
ESE
15
SE
15
S
15
S
15
S
15
S
10
SSW
5
S
5
SE
10
ENE
10
NNE
0
N
5
WSW
5
SSW
5
WSW
5
SW
5
WSW
10
WSW
5
SSW
15
SW
cross-off
off
glassy
glassy
cross-on
cross-on
cross
cross
cross
cross
cross-off
glassy
glassy
cross-on
cross
glassy
glassy
cross-off
glassy
glassy
glassy
cross-off
glassy
cross-off
High Tide
11:19AM0.60m
00:42AM0.64m
11:53AM0.67m
00:37AM0.65m
12:27PM0.72m
Low Tide
5:56AM0.36m
6:01PM0.11m
6:22AM0.28m
6:38PM0.12m
6:48AM0.22m
7:13PM0.15m
thunderstorm
part cloud
cloud
part cloud
clear
clear
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
rain showers
cloud
cloud
cloud
cloud
light rain
light rain
light rain
rain showers
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:37
6:37
6:39
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:45
5:45
5:44
1
1
1
2
4
7
Temp °C
22
21
21
22
23
22
19
19
18
18
18
18
19
20
17
17
17
18
18
19
19
19
19
19
24
23
23
25
23
22
17
16
15
15
16
17
19
19
17
18
18
19
19
21
21
21
21
19
Swell 1
Height (m)
Direction
Period (s)
0.5
ENE
7
0.4
ENE
7
0.4
ENE
7
0.4
ENE
7
0.5
S
5
0.4
E
7
1.4
S
9
1.8
S
9
1.8
S
9
1.7
S
9
1.6
S
11
1.5
S
12
1.4
S
12
1.4
S
12
1.6
S
14
1.8
SSE
14
1.8
SSE
13
1.7
SSE
13
1.6
SSE
13
1.6
S
13
1.5
S
12
1.4
SSE
12
1.3
S
12
1.3
S
11
Energy kJ
29
20
20
17
13
17
286
563
551
492
621
647
537
519
1077
1251
1197
1042
901
825
661
569
456
418
Swell 2
Height (m)
Direction
Period (s)
0.3
S
8
0.3
S
6
0.3
S
6
0.3
S
5
0.4
ENE
7
0.2
SSE
10
0.4
ENE
7
0.4
ENE
8
0.4
ENE
8
0.3
ENE
8
0.3
E
8
0.3
E
8
0.4
E
8
0.4
E
8
0.4
E
8
0.5
E
8
0.5
E
8
0.5
E
8
0.5
ENE
7
0.5
ENE
7
0.5
ENE
7
0.6
ENE
6
0.5
ENE
7
0.5
ENE
7
Energy kJ
12
5
5
5
18
10
18
19
19
11
10
10
19
19
19
28
28
30
29
28
25
32
25
25
Swell 3
Height (m)
Direction
Period (s)
0.2
ESE
7
0.2
S
8
0.2
SSE
10
0.2
SSE
10
0.2
SSE
10
0.4
ENE
8
0.2
ESE
8
0.1
SE
10
0.1
SE
11
0.5
E
8
0.3
ESE
9
0.3
ESE
9
0.3
ESE
9
0.3
ESE
9
0.3
ESE
8
0.4
ESE
8
0.3
ESE
9
0.4
ESE
10
0.4
ESE
10
Energy kJ
4
5
10
10
11
20
6
4
5
29
17
16
16
16
14
24
15
34
33
Wind waves
Height (m)
Direction
Period (s)
0.3
SSW
3
0.2
SSW
3
0.4
SSW
3
0.7
S
5
0.8
S
7
1.7
S
8
2.3
S
9
2.3
S
9
2.1
S
9
0.7
SSW
4
0.7
SW
4
0.6
SW
4
Energy kJ
1
1
4
25
60
396
932
912
763
11
16
11
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
3
4
4
2
3
3
3
3
4
4
4
4
3
3
3
3
3
2
Distance (km)
0
551
551
27
38
893
10
10
10
10
0
0
0
20
9
0
0
0
0
0
0
0
0
0
Best forecast wave conditions in Santa Catarina - Sul
Rating
(10 max)
1
1
1
4
4
4
3
3
3
3
3
4
4
4
4
4
4
3
3
3
3
Best forecast wave conditions in Brazil
Rating
(10 max)
2
2
2
2
2
1
4
4
4
3
3
3
3
3
4
4
4
4
4
4
4
3
3
4
Header Global
Rating
(10 max)
8
7
6
6
6
6
5
5
5
5
5
5
5
6
8
9
9
8
7
8
8
6
6
5
  • 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

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.


Nearest locationNearest
Nearest locationNearest
Nearest locationNearest