Siriu Surf Break

Lat Long: 28.00° S 48.63° W

Siriu 48 hour detailed Surf Forecast

Issued: 2 pm 12 Sep 2026 (local time)

Forecast update in  hr  min

Today's Siriu sea temperature is
16.7°C
2.2° 

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 (12 Sep):

  • Afternoon surf: Afternoon surf (12 Sep, local time) - 5ft (1.5m), 7s period with S swell.
  • Evening surf: Evening surf (12 Sep, local time) - 5.5ft (1.7m), 7s period with S swell.

The current surf forecast for Siriu at 7PM is: 1.7m 7s primary swell from a South direction and 0.6m 8s secondary swell from a East direction, 0.1m 12s secondary swell from a Southeast direction (forecast issued at 02:00pm September 12). The wind direction is predicted to be cross-offshore.

Time (-03) & DateWave HeightWave Period
Morning (12 Sep)--
Afternoon (12 Sep)5ft (1.5m)7s
Evening (12 Sep)5.5ft (1.7m)7s

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


Short Range Forecast

Heavy rain (total 36mm), heaviest during Mon afternoon. Very mild (max 18°C on Tue morning, min 13°C on Sun night). Wind will be generally light.

Sat
12
Sunday
13
Monday
14
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)
0
1
1
1
2
2
1
1
1
1
2
1
2
2
2
2
2
2
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.2
S
6
1.5
S
7
1.7
S
7
1.7
S
7
1.8
S
7
0.9
SE
8
1.1
SSE
7
0.8
S
7
1.1
S
7
1.3
S
7
1
S
7
0.8
SE
8
0.9
SE
8
0.9
S
12
1
S
12
1
S
11
1
S
11
1
S
11
1
S
9
0.9
SSE
9
Wave Graph
Metric surfscale
Energy kJ
112
229
303
303
312
89
118
59
134
181
100
73
106
232
271
240
231
223
162
123
Wind (km/h)
25
SSW
25
SSW
20
SSW
25
SSW
15
SW
15
SW
15
SW
15
SW
15
SW
15
SW
15
SW
10
SW
10
SW
10
SW
10
SW
10
SW
10
SSW
10
SW
10
SW
5
SW
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
High Tide
2:21PM0.67m
2:14AM0.81m
2:36PM0.66m
2:48AM0.78m
2:54PM0.65m
Low Tide
8:43PM0.24m
9:19AM0.14m
8:48PM0.21m
9:36AM0.23m
8:47PM0.18m
part cloud
part cloud
part cloud
cloud
light rain
light rain
cloud
light rain
cloud
light rain
light rain
light rain
light rain
light rain
light rain
light rain
mod rain
mod rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:15
6:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:05
6:06
6:06
 mm
1
1
1
1
2
3
1
1
1
2
6
9
3
2
Temp °C
18
17
16
16
15
14
14
14
15
15
14
14
13
13
13
13
13
14
14
14
Feels °C
14
12
12
12
12
11
11
11
12
12
11
12
11
11
11
12
12
13
13
14
  • 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
How to use the Wavefinder 

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.


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