Siriu surfForecast / Santa Catarina – Sul / Brazil

information circle48hr Weather and Surf, issued 2 pm Wednesday 27 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
18.2° C
(Which is 3.1°C colder than average for this time of year)

How big are the waves at Siriu today (27 May):

  • Afternoon surf: Afternoon surf (27 May, local time) - 6ft (1.9m), 8s period with S swell.
  • Evening surf: Evening surf (27 May, local time) - 7ft (2.1m), 9s period with S swell.

The current surf forecast for Siriu at 9PM is: 2.1m 9s primary swell from a South direction and 1.8m 8s secondary swell from a South-southeast direction, 0.1m 9s secondary swell from a East direction (forecast issued at 02:00pm May 27). The wind direction is predicted to be cross-offshore and the swell rating is 4.

Time (-03) & DateWave HeightWave Period
Morning (27 May)--
Afternoon (27 May)6ft (1.9m)8s
Evening (27 May)7ft (2.1m)9s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 21°C on Sat morning, min 15°C on Wed night). Wind will be generally light.

Wed
27
Thursday
28
Friday
29
Sat
30
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
12 AM
3 AM
6 AM
9 AM
Rating
(10 max)
1
2
3
4
2
2
2
1
0
0
1
1
1
1
1
1
0
0
0
0
1
1
2
1
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.8
S
8
1.9
S
8
2.3
S
9
2.1
S
9
1.7
SSE
8
1.5
SSE
8
1.4
SE
8
1.2
SE
8
1.1
SE
8
1.1
SE
8
1.1
SE
8
1
SE
7
0.9
SE
7
0.9
SE
7
0.7
SE
7
0.7
SE
7
0.7
ESE
7
0.6
ESE
6
0.6
ESE
7
0.5
SSE
8
0.6
SSE
8
0.8
SSE
9
1.3
SSE
9
1.7
SSE
9
Wave Graph
Metric surfscale
Energy kJ
428
512
785
645
388
287
226
164
145
125
125
107
89
75
47
47
40
28
30
38
45
88
233
411
Wind (km/h)
25
SSW
25
SSW
20
SW
15
SW
15
WSW
10
WSW
10
WSW
5
W
5
E
10
ESE
5
SSE
5
WSW
5
W
10
W
5
W
5
W
5
E
10
ENE
10
NNE
5
N
10
N
10
N
10
NNW
10
N
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
glassy
on
on
glassy
glassy
off
off
off
glassy
on
on
cross-on
cross
cross-off
cross-off
cross-off
cross
High Tide
11:39AM0.63m
11:41PM0.58m
12:21PM0.67m
00:04AM0.60m
12:59PM0.70m
00:31AM0.61m
Low Tide
6:09PM0.25m
6:13AM0.19m
6:52PM0.26m
6:46AM0.14m
7:33PM0.28m
7:18AM0.10m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:54
6:56
6:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:27
5:27
5:27
5:27
Temp °C
19
20
17
16
15
15
15
17
19
18
16
16
15
15
15
17
19
19
18
18
17
17
17
18
15
16
14
14
13
14
14
17
19
17
16
16
15
14
14
17
19
19
18
18
16
16
16
17
Swell 1
Height (m)
Direction
Period (s)
0.2
E
7
0.2
E
7
1.8
SSE
9
1.8
SSE
8
1.7
SSE
8
1.5
SSE
8
1.4
SE
8
1.2
SE
8
1.1
SE
8
1.1
SE
8
1.1
SE
8
1
SE
7
0.9
SE
7
0.9
SE
7
0.7
SE
7
0.7
SE
7
0.7
ESE
7
0.6
ESE
6
0.6
ESE
7
0.5
ESE
7
0.6
SSE
8
0.8
SSE
9
1.3
SSE
9
1.7
SSE
9
Energy kJ
4
4
493
445
388
287
226
164
145
125
125
107
89
75
47
47
40
28
30
27
45
88
233
411
Swell 2
Height (m)
Direction
Period (s)
0.1
NE
5
0.1
E
9
0.1
E
7
0.1
E
9
0.1
E
9
0.1
E
8
0.3
SSE
10
0.4
SSE
10
0.3
SSE
10
0.4
SSE
10
0.3
SSE
10
0.4
SSE
9
0.3
SSE
9
0.3
SSE
9
0.3
SSE
9
0.3
SSE
9
0.4
SSE
9
0.3
SSE
10
0.3
SSE
8
0.5
SSE
8
0.5
ESE
7
0.5
ESE
7
0.4
ESE
7
Energy kJ
1
1
1
1
1
1
19
32
19
32
18
28
16
16
16
16
26
18
14
38
27
26
15
Swell 3
Height (m)
Direction
Period (s)
0.1
E
11
0.1
E
9
0.1
E
9
0.1
E
9
0.1
E
8
0.1
E
8
0.2
E
8
0.2
E
8
0.1
E
8
0.1
E
8
0.2
SSE
12
0.2
SSE
12
0.2
SSE
11
0.2
SSE
12
0.2
S
8
0.1
SE
12
0.2
SSE
10
0.1
E
7
0.1
E
7
0.1
E
7
0.1
E
7
Energy kJ
2
2
1
1
1
1
5
5
1
1
14
13
13
14
6
6
10
1
1
1
1
Wind waves
Height (m)
Direction
Period (s)
1.8
S
8
1.9
S
8
2.3
S
9
2.1
S
9
Energy kJ
428
512
785
645
Nearest Offshore or Glassy
Rating
(10 max)
2
2
3
4
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
Distance (km)
13
13
13
0
0
0
0
0
6
16
0
0
0
0
0
0
6
27
9
6
0
0
0
6
Best forecast wave conditions in Santa Catarina - Sul
Rating
(10 max)
2
3
4
4
2
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
3
Best forecast wave conditions in Brazil
Rating
(10 max)
2
3
4
4
2
2
2
1
1
2
1
1
1
1
1
2
1
2
1
1
1
1
2
2
Header Global
Rating
(10 max)
9
7
6
9
9
9
8
9
8
7
7
6
5
5
5
5
4
5
5
5
5
5
5
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

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