Siriu surfForecast / Santa Catarina – Sul / Brazil

information circle48hr Weather and Surf, issued 8 pm Sunday 24 May 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
19.2° C
(Which is 2.2°C colder than average for this time of year)

How big are the waves at Siriu today?

The current surf forecast for Siriu at 12AM is: 1.2m 7s primary swell from a Southeast direction and 0.8m 10s secondary swell from a South-southeast direction (forecast issued at 08:00pm May 24). The wind direction is predicted to be offshore and the swell rating is 2.

Time (-03) & DateWave HeightWave Period
Morning (25 May)3.5ft (1.1m)7s
Afternoon (25 May)3.5ft (1.0m)16s
Evening (25 May)4.5ft (1.4m)15s

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 17mm), heaviest on Tue morning. Warm (max 22°C on Tue afternoon, min 16°C on Sun night). Wind will be generally light.

Sun
24
Monday
25
Tuesday
26
Wednesday
27
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
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
Rating
(10 max)
2
2
2
2
2
1
0
1
3
2
2
1
2
2
1
2
2
1
1
1
1
3
2
2
Swell
Height Map
Height MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.3
SSE
7
0.9
SSE
10
1.2
SE
7
1.2
SE
7
1.2
ESE
7
1.1
ESE
7
0.7
SE
17
1
SSE
16
1.4
SSE
16
1.4
SSE
15
1.4
SSE
14
1.3
SSE
13
1.2
SSE
13
1.1
SSE
12
1
SSE
12
0.9
SSE
12
0.8
SSE
12
0.8
SSE
11
1
S
11
1.1
S
7
1.5
S
9
2.3
S
8
2.1
S
8
1.9
S
8
Wave Graph
Metric surfscale
Energy kJ
159
163
135
139
129
112
295
539
966
857
756
577
447
379
308
232
179
164
233
113
326
709
555
470
Wind (km/h)
15
SW
10
SW
5
WSW
5
WNW
5
NNW
5
NNE
15
NE
15
NNE
15
NNE
15
N
20
N
20
N
15
N
10
NNW
10
N
5
NNE
10
SSW
15
SSW
20
WSW
20
SW
20
SW
20
SW
25
SSW
25
SSW
cross-off
cross-off
off
glassy
glassy
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross-off
cross
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
00:07AM0.57m
8:32AM0.53m
11:55PM0.55m
10:44AM0.58m
11:32PM0.56m
11:39AM0.63m
Low Tide
3:37PM0.20m
4:20AM0.42m
4:33PM0.22m
5:00AM0.34m
5:23PM0.23m
5:37AM0.26m
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
cloud
rain showers
rain showers
light rain
rain showers
thunderstorm
thunderstorm
thunderstorm
rain showers
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:54
6:54
6:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:28
5:28
5:27
1
1
3
3
4
2
2
1
Temp °C
17
16
16
16
16
17
19
19
18
18
18
18
18
18
21
22
19
18
19
17
16
17
19
19
16
16
16
16
17
17
18
17
17
17
17
17
18
18
22
24
20
17
17
15
13
14
16
15
Swell 1
Height (m)
Direction
Period (s)
1.3
SSE
7
1.2
SE
6
1.2
SE
7
1.2
SE
7
1.2
ESE
7
1.1
ESE
7
0.9
ESE
6
1
SSE
16
1.4
SSE
16
1.4
SSE
15
1.4
SSE
14
1.3
SSE
13
1.2
SSE
13
1.1
SSE
12
1
SSE
12
0.9
SSE
12
0.8
SSE
12
0.8
SSE
11
1
S
11
0.6
SSE
11
1.5
S
9
1.7
S
8
1.6
SSE
8
1.6
SSE
8
Energy kJ
159
113
135
139
129
99
70
539
966
857
756
577
447
379
308
232
179
164
233
91
326
386
341
314
Swell 2
Height (m)
Direction
Period (s)
0.8
SSE
10
0.9
SSE
10
0.8
SSE
10
0.8
SSE
10
0.8
S
10
0.7
SSE
10
0.7
S
10
0.9
ESE
6
0.8
E
6
0.8
E
6
0.7
E
6
0.8
E
6
0.8
ENE
6
0.8
ENE
5
0.5
ESE
7
0.5
E
7
0.6
NE
5
0.6
NE
5
0.5
NE
5
0.4
NE
5
0.3
ESE
7
0.2
ESE
7
0.2
ESE
7
0.3
SSE
10
Energy kJ
136
163
131
128
120
98
88
55
49
49
36
43
42
36
26
24
19
16
13
7
9
5
5
20
Swell 3
Height (m)
Direction
Period (s)
0.8
E
7
0.6
E
7
0.6
E
7
0.4
ENE
7
0.2
SSE
19
0.4
SE
18
0.7
SE
17
0.7
S
9
0.2
ENE
6
0.1
E
14
0.1
E
13
0.1
E
13
0.1
E
13
0.1
E
13
0.1
E
12
0.4
ESE
7
0.4
ESE
7
0.4
ESE
7
0.3
ESE
7
0.3
NE
5
0.2
ENE
5
0.1
NE
5
0.2
E
7
Energy kJ
64
36
33
15
35
112
295
85
4
4
4
3
3
3
3
15
15
15
9
4
3
1
4
Wind waves
Height (m)
Direction
Period (s)
0.3
NE
6
0.5
NE
6
0.4
N
3
0.9
ENE
6
1
NE
4
0.9
NNE
4
0.6
NE
5
0.6
NE
5
0.4
SSW
3
1.3
SSW
5
1.1
S
7
2.2
SSW
7
2.3
S
8
2.1
S
8
1.9
S
8
Energy kJ
6
16
2
51
31
26
18
14
3
87
113
448
709
555
470
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
2
2
2
2
3
4
3
3
3
3
2
2
2
2
1
1
2
2
3
2
3
Distance (km)
0
0
0
0
0
9
9
9
9
9
9
9
9
0
6
0
0
0
10
10
10
10
13
56
Best forecast wave conditions in Santa Catarina - Sul
Rating
(10 max)
2
2
2
2
2
2
3
4
4
3
3
3
3
2
2
2
2
1
2
2
4
4
3
3
Best forecast wave conditions in Brazil
Rating
(10 max)
2
2
2
2
2
2
2
3
4
3
4
4
4
2
4
4
4
4
1
3
4
4
3
3
Header Global
Rating
(10 max)
5
5
4
4
4
4
4
4
4
4
5
8
9
9
9
9
5
6
6
7
7
7
6
7
  • 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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