Siriu Surf Break

Lat Long: 28.00° S 48.63° W

Issued: 8 pm 20 Jun 2026 (local time)

Forecast update in  hr  min

Today's Siriu sea temperature is
17.2° C

2.6°C colder than average for this time of year

Siriu surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Siriu today (21 Jun):

  • Morning surf: Morning surf (21 Jun, local time) - 2.5ft (0.8m), 9s period with S swell.
  • Afternoon surf: Afternoon surf (21 Jun, local time) - 2.5ft (0.7m), 8s period with S swell.
  • Evening surf: Evening surf (21 Jun, local time) - 2ft (0.6m), 10s period with E swell.

The current surf forecast for Siriu at 1AM is: 0.9m 8s primary swell from a South direction and 0.7m 7s secondary swell from a East direction (forecast issued at 08:00pm June 20). An open ocean swell of 1.5m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (-03) & DateWave HeightWave Period
Morning (21 Jun)2.5ft (0.8m)9s
Afternoon (21 Jun)2.5ft (0.7m)8s
Evening (21 Jun)2ft (0.6m)10s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 7mm), mostly falling on Mon afternoon. Warm (max 20°C on Mon morning, min 12°C on Sat night). Winds decreasing (fresh winds from the N on Mon morning, calm by Tue afternoon).

Sat
20
Sunday
21
Monday
22
Tuesday
23
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)
1
0
1
2
2
1
1
0
0
0
0
0
0
0
0
0
1
0
0
1
3
4
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
S
7
0.9
S
7
0.9
S
8
1
S
10
0.9
S
9
0.8
S
9
0.8
S
8
0.7
S
8
0.6
E
10
0.6
E
10
0.6
E
10
0.6
E
10
0.6
E
9
0.6
E
9
1.2
NNE
5
1.3
NE
6
1.2
NE
6
1.2
ENE
7
1.1
ENE
7
1.5
S
7
2.5
S
8
2.2
S
9
1.5
S
9
1.5
S
9
Wave Graph
Metric surfscale
Energy kJ
70
72
93
181
134
97
89
66
74
73
71
70
64
60
67
104
113
123
124
242
887
759
365
365
Wind (km/h)
20
SW
15
SW
15
SW
10
SW
5
WSW
5
SW
5
SE
10
ENE
10
NNE
15
N
15
N
15
N
20
N
20
N
30
N
25
N
5
NW
20
SSW
20
SSW
15
SW
15
SW
15
SSW
10
S
5
SE
Wind State
cross-off
cross-off
cross-off
cross-off
off
glassy
glassy
on
cross-on
cross
cross
cross
cross
cross
cross
cross
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-on
High Tide
5:51PM0.49m
11:00PM0.52m
4:54AM0.63m
6:28PM0.47m
11:28PM0.48m
5:58AM0.58m
7:18PM0.47m
11:23PM0.46m
7:27AM0.53m
Low Tide
7:51PM0.47m
1:12AM0.50m
1:39PM0.23m
8:43PM0.45m
2:05AM0.45m
2:39PM0.29m
9:48PM0.45m
3:04AM0.38m
mod rain
light rain
light rain
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
cloud
light rain
light rain
light rain
cloud
part cloud
part cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:05
7:05
7:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:27
5:27
5:27
 mm
9
1
1
2
2
1
Temp °C
12
13
13
12
12
13
16
16
15
14
14
14
14
16
20
20
17
16
15
14
12
12
14
14
Feels °C
8
10
10
9
10
12
16
15
13
12
12
11
10
12
15
16
18
14
11
11
8
8
11
12
Swell 1
Height (m)
Direction
Period (s)
0.6
E
10
0.7
E
7
0.9
S
8
1
S
10
0.9
S
9
0.8
S
9
0.8
S
8
0.7
S
8
0.7
S
8
0.7
S
8
0.6
S
8
0.6
E
10
0.6
E
9
0.6
E
9
0.5
E
9
0.5
S
10
1.2
NE
6
1.2
ENE
7
1.1
ENE
7
1.5
S
7
1.8
S
8
1.7
S
9
1.5
S
9
1.5
S
9
Energy kJ
66
49
93
181
134
97
89
66
65
61
43
70
64
60
42
49
113
123
124
242
460
439
365
365
Swell 2
Height (m)
Direction
Period (s)
0.5
S
10
0.5
S
10
0.7
E
7
0.7
E
7
0.7
E
7
0.6
E
6
0.7
E
7
0.7
E
7
0.6
E
10
0.6
E
10
0.6
E
10
0.5
S
7
0.4
ESE
6
0.4
SSE
9
0.5
S
9
0.4
E
9
0.5
S
10
0.5
S
10
0.4
SSE
11
1
ENE
7
0.9
ENE
7
0.8
ENE
8
0.7
ENE
8
0.7
ENE
8
Energy kJ
54
51
52
52
47
30
44
43
74
73
71
27
13
27
43
28
49
48
37
99
78
66
63
65
Swell 3
Height (m)
Direction
Period (s)
0.4
ENE
6
0.4
SSE
10
0.1
SE
9
0.3
E
11
0.5
E
11
0.5
E
10
0.5
E
10
0.5
ESE
6
0.4
ESE
6
0.4
ESE
6
0.5
SE
6
0.4
SSE
9
0.4
SE
6
0.4
SE
6
0.4
SE
7
0.3
E
10
0.2
ESE
7
0.4
S
9
0.2
ESE
7
0.1
SE
7
0.1
SE
8
0.1
SE
15
Energy kJ
16
33
3
20
57
54
52
22
15
13
16
26
9
10
14
17
5
25
5
2
3
9
Wind waves
Height (m)
Direction
Period (s)
0.9
S
7
0.9
S
7
1.5
SSW
5
1.4
SSW
5
1.2
SSW
9
0.2
NNE
3
0.3
NNE
3
0.5
NNE
3
0.8
NNE
4
1.2
NNE
5
1.3
NE
6
1.1
N
6
0.3
SSW
3
0.9
S
5
2.1
S
7
2.5
S
8
2.2
S
9
2.2
SSW
9
Energy kJ
70
72
112
109
243
1
2
6
20
67
104
72
1
36
465
887
759
758
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
4
3
2
Distance (km)
13
13
0
0
0
0
0
27
9
9
9
33
106
49
113
148
0
15
25
13
13
0
10
13
Best forecast wave conditions in Santa Catarina - Sul
Rating
(10 max)
2
3
2
3
2
2
2
1
1
1
1
1
1
1
1
1
2
1
1
3
4
4
4
2
Best forecast wave conditions in Brazil
Rating
(10 max)
2
3
2
3
2
2
2
2
2
2
1
2
2
2
2
2
2
1
1
3
4
4
4
2
Header Global
Rating
(10 max)
5
9
9
9
8
8
7
7
7
6
6
6
7
6
5
5
5
5
5
6
5
5
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
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