Siriu Surf Break

Lat Long: 28.00° S 48.63° W

Siriu 48 hour detailed Surf Forecast

Issued: 8 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 (16 Aug):

  • Morning surf: Morning surf (16 Aug, local time) - 7ft (2.1m), 8s period with ENE swell.
  • Afternoon surf: Afternoon surf (16 Aug, local time) - 6ft (1.8m), 8s period with ENE swell.
  • Evening surf: Evening surf (16 Aug, local time) - 7ft (2.1m), 8s period with ENE swell.

The current surf forecast for Siriu at 12AM is: 2.4m 8s primary swell from a East-northeast direction and 1.9m 8s secondary swell from a East direction, 0.9m 11s secondary swell from a South-southeast direction (forecast issued at 08:00pm August 15). The wind direction is predicted to be cross-shore.

Time (-03) & DateWave HeightWave Period
Morning (16 Aug)7ft (2.1m)8s
Afternoon (16 Aug)6ft (1.8m)8s
Evening (16 Aug)7ft (2.1m)8s

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


Short Range Forecast

Light rain (total 5mm), mostly falling on Sat night. Warm (max 29°C on Tue morning, min 18°C on Sat night). Winds decreasing (fresh winds from the NNE on Mon afternoon, light winds from the SSW by Tue afternoon).

Sat
15
Sunday
16
Monday
17
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
2
3
2
3
1
0
1
0
1
1
1
1
1
0
0
0
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.2
E
8
2.3
E
8
2.4
ENE
8
2
E
8
2.1
ENE
8
2.1
ENE
8
1.8
ENE
8
1.8
ENE
8
1.8
ENE
8
2.1
ENE
8
2.1
NE
8
2.1
NE
8
2.1
NE
8
2.1
NE
8
1.7
ENE
8
1.7
ENE
8
1.8
ENE
8
2.2
NE
8
Wave Graph
Metric surfscale
Energy kJ
579
667
690
484
494
481
356
378
378
506
517
530
543
604
381
413
466
681
Wind (km/h)
20
NE
15
NNE
10
N
15
NNE
15
NNE
20
NNE
20
NNE
20
NNE
20
NNE
25
NNE
25
NNE
25
NNE
20
NNE
25
NNE
25
NNE
25
NNE
15
NNE
15
NNE
Wind State
cross-on
cross-on
cross
cross-on
cross
cross
cross
cross
cross-on
cross
cross
cross
cross
cross
cross-on
cross-on
cross
cross
High Tide
3:22PM0.63m
3:03AM0.78m
3:38PM0.61m
3:40AM0.73m
3:57PM0.60m
Low Tide
9:39PM0.33m
10:23AM0.16m
9:19PM0.29m
10:38AM0.26m
light rain
light rain
light rain
light rain
light rain
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
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
 mm
2
1
2
1
1
Temp °C
18
18
18
18
18
19
19
19
19
19
19
18
18
19
24
23
20
19
Feels °C
16
17
18
17
17
18
18
17
17
17
17
16
16
16
22
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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