Siriu Surf Break

Lat Long: 28.00° S 48.63° W

Issued: 2 am 21 Jun 2026 (local time)

Forecast update in  hr  min

Today's Siriu sea temperature is
17.3° C

2.4°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 6AM is: 0.9m 9s primary swell from a South direction and 0.7m 7s secondary swell from a East direction (forecast issued at 02:00am June 21). An open ocean swell of 1.2m 9s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.

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

Moderate rain (total 10mm), heaviest on Mon night. Warm (max 20°C on Mon morning, min 10°C on Tue night). Winds decreasing (fresh winds from the N on Mon morning, calm by Tue afternoon).

Sunday
21
Monday
22
Tuesday
23
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
2
2
1
1
0
0
0
0
0
0
0
0
0
2
0
1
1
2
4
3
1
2
2
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
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
10
0.6
E
9
0.5
E
9
1.3
NE
6
1.6
NNE
6
1.2
ENE
7
0.9
S
9
1.6
S
7
2
S
8
2.2
S
9
2
S
9
1.5
S
9
1.5
S
9
1.4
S
10
Wave Graph
Metric surfscale
Energy kJ
93
181
134
97
89
66
74
73
71
70
65
61
44
101
196
123
127
267
568
742
650
367
383
354
Wind (km/h)
10
SSW
10
SW
10
WSW
5
SW
5
ESE
10
ENE
10
NNE
15
N
15
N
15
N
20
NNE
20
N
30
N
25
N
5
NW
25
SSW
20
SSW
20
SSW
20
SW
15
SSW
10
S
10
SSE
0
S
5
NW
Wind State
cross-off
cross-off
cross-off
glassy
glassy
on
cross-on
cross
cross
cross
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-on
glassy
glassy
High Tide
4:54AM0.63m
6:28PM0.47m
11:28PM0.48m
5:58AM0.58m
7:18PM0.47m
11:23PM0.46m
7:27AM0.53m
8:29PM0.48m
Low Tide
1:12AM0.50m
1:39PM0.23m
8:43PM0.45m
2:05AM0.45m
2:39PM0.29m
9:48PM0.45m
3:04AM0.38m
3:44PM0.33m
light rain
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
clear
clear
part cloud
light rain
mod rain
light rain
cloud
part cloud
cloud
part cloud
cloud
part cloud
clear
<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
1
2
7
1
Temp °C
12
12
12
13
16
16
15
14
14
14
14
16
20
20
17
16
14
13
12
12
14
14
13
12
Feels °C
10
9
10
12
16
14
13
12
12
11
10
13
15
16
17
12
10
9
7
8
10
11
12
10
Swell 1
Height (m)
Direction
Period (s)
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
0.6
S
8
0.6
E
10
0.6
E
10
0.6
E
10
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
ENE
7
2
S
8
1.7
S
9
1.5
S
9
1.5
S
9
1.5
S
9
1.4
S
10
Energy kJ
93
181
134
97
89
66
65
45
71
70
65
61
41
49
109
123
124
101
568
419
365
367
383
354
Swell 2
Height (m)
Direction
Period (s)
0.7
E
7
0.7
E
7
0.7
E
7
0.7
E
6
0.7
E
7
0.7
E
7
0.6
E
10
0.6
E
10
0.6
S
8
0.5
S
7
0.4
SSE
9
0.4
SSE
9
0.5
ENE
6
0.4
E
9
0.5
S
10
0.5
S
10
0.4
SSE
11
0.2
ESE
8
0.9
ENE
7
0.7
ENE
8
0.7
ENE
8
0.7
ENE
8
0.7
ENE
8
0.7
ENE
8
Energy kJ
52
54
46
41
44
44
74
73
43
27
26
27
18
28
49
47
37
6
78
60
62
63
67
68
Swell 3
Height (m)
Direction
Period (s)
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
0.5
E
6
0.4
ESE
6
0.4
ESE
6
0.4
S
7
0.4
S
7
0.5
S
9
0.2
ESE
6
0.4
E
10
0.2
ESE
8
0.2
ESE
8
0.2
ESE
8
0.2
ESE
8
0.1
SE
8
0.1
SE
15
0.2
SSE
14
0.4
SE
14
Energy kJ
33
3
20
57
54
51
23
21
16
14
17
16
43
3
30
6
6
6
6
2
8
21
46
Wind waves
Height (m)
Direction
Period (s)
1.4
SSW
10
1.3
SSW
10
1.2
SSW
9
0.4
NNE
3
0.3
NNE
3
0.4
NNE
3
0.5
NNE
3
0.8
NNE
4
0.9
NNE
5
1.3
NE
6
1.6
NNE
6
0.3
SSW
2
0.9
S
9
1.6
S
7
3
SSW
8
2.2
S
9
2
S
9
Energy kJ
378
322
243
2
2
3
6
19
44
101
196
1
127
267
1134
742
650
Nearest Offshore or Glassy
Rating
(10 max)
1
2
2
1
1
1
1
1
1
1
1
1
1
2
2
1
1
2
2
4
3
2
2
2
Distance (km)
0
0
0
0
0
27
9
9
9
33
106
33
137
39
0
15
25
13
13
0
10
13
0
0
Best forecast wave conditions in Santa Catarina - Sul
Rating
(10 max)
3
3
2
2
2
1
1
1
1
1
1
1
2
2
1
1
2
4
4
4
2
3
4
Best forecast wave conditions in Brazil
Rating
(10 max)
3
3
2
2
2
1
2
2
1
1
2
2
2
2
2
1
1
2
4
4
4
2
3
4
Header Global
Rating
(10 max)
9
9
8
8
7
7
7
6
6
5
7
6
5
5
5
5
5
6
5
5
5
5
6
8
  • 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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