Siriu Surf Break

Lat Long: 28.00° S 48.63° W

Siriu 48 hour detailed Surf Forecast

Issued: 2 pm 15 Aug 2026 (local time)

Forecast update in  hr  min

Today's Siriu sea temperature is
18.9° C
0.4° 

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 (15 Aug):

  • Afternoon surf: Afternoon surf (15 Aug, local time) - 8ft (2.5m), 8s period with E swell.
  • Evening surf: Evening surf (15 Aug, local time) - 7.5ft (2.3m), 8s period with E swell.

The current surf forecast for Siriu at 11PM is: 2.3m 8s primary swell from a East direction and 2.0m 8s secondary swell from a East direction, 0.9m 11s secondary swell from a South-southeast direction (forecast issued at 02:00pm August 15). The wind direction is predicted to be cross-onshore.

Time (-03) & DateWave HeightWave Period
Morning (15 Aug)--
Afternoon (15 Aug)8ft (2.5m)8s
Evening (15 Aug)7.5ft (2.3m)8s

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


Short Range Forecast

Light rain (total 9mm), mostly falling on Sat afternoon. Warm (max 29°C on Tue morning, min 18°C on Sat afternoon). Mainly fresh winds.

Sat
15
Sunday
16
Monday
17
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)
2
2
0
1
3
3
3
2
2
0
0
1
2
2
2
2
0
0
1
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)
2.3
E
7
2.5
E
8
2.5
E
8
2.3
E
8
2.4
ENE
8
2.3
ENE
8
2.3
ENE
8
2.4
ENE
8
2.1
ENE
8
2
ENE
8
2
ENE
8
2.1
ENE
8
2.2
NE
8
2.2
NE
8
2.2
NE
8
2.2
NE
8
1.8
ENE
8
1.9
ENE
8
1.9
ENE
8
2.3
NE
9
Wave Graph
Metric surfscale
Energy kJ
572
726
858
684
709
636
654
653
536
471
471
493
573
602
617
655
455
493
504
809
Wind (km/h)
15
ENE
15
NE
20
NE
15
NNE
15
NNE
15
NNE
15
NNE
20
NNE
25
NNE
25
NNE
25
NNE
20
NNE
25
NNE
20
NNE
25
NNE
25
NNE
25
NNE
25
NNE
15
NNE
15
N
Wind State
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross-on
cross
cross
High Tide
3:22PM0.63m
3:03AM0.78m
3:38PM0.61m
3:40AM0.73m
3:57PM0.60m
Low Tide
9:58AM0.07m
9:39PM0.33m
10:23AM0.16m
9:19PM0.29m
10:38AM0.26m
mod rain
light rain
light rain
light rain
cloud
rain showers
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:45
6:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:52
5:52
5:52
 mm
7
5
2
1
1
Temp °C
18
18
18
18
18
18
18
18
20
21
19
19
19
18
18
19
23
23
20
19
Feels °C
17
17
15
17
17
17
17
17
18
18
17
17
17
16
15
16
20
20
19
18
  • 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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