Siriu Surf Break

Lat Long: 28.00° S 48.63° W

Siriu 48 hour detailed Surf Forecast

Issued: 2 pm 01 Sep 2026 (local time)

Forecast update in  hr  min

Today's Siriu sea temperature is
18.7°C
0.2° 

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 (01 Sep):

  • Afternoon surf: Afternoon surf (01 Sep, local time) - 5.5ft (1.7m), 8s period with SSE swell.
  • Evening surf: Evening surf (01 Sep, local time) - 8ft (2.5m), 8s period with SSE swell.

The current surf forecast for Siriu at 10PM is: 2.5m 8s primary swell from a South-southeast direction and 2.1m 8s secondary swell from a South-southeast direction, 0.4m 8s secondary swell from a East-northeast direction (forecast issued at 02:00pm September 01). The wind direction is predicted to be cross-offshore.

Time (-03) & DateWave HeightWave Period
Morning (01 Sep)--
Afternoon (01 Sep)5.5ft (1.7m)8s
Evening (01 Sep)8ft (2.5m)8s

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


Short Range Forecast

Mostly dry. Warm (max 23°C on Thu morning, min 14°C on Tue night). Winds decreasing (fresh winds from the SSW on Tue afternoon, calm by Wed afternoon).

Tue
1
Wednesday
2
Thursday
3
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
0
1
3
3
3
3
3
2
2
3
2
2
1
1
1
0
0
0
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)
1.6
SE
8
1.7
SSE
8
1.7
SSE
7
2.5
SSE
8
2.1
SSE
9
2.2
SE
10
2.1
SE
10
2.1
SE
10
2
SE
10
2.1
SE
11
2
SE
11
1.9
SE
11
1.8
SE
11
1.7
SE
11
1.6
SE
11
1.4
SE
11
1.3
SE
11
1.2
SE
11
1.1
SE
11
1.1
SE
11
Wave Graph
Metric surfscale
Energy kJ
316
306
302
827
691
828
815
850
820
928
897
850
729
663
558
462
414
332
254
254
Wind (km/h)
20
SW
25
SSW
20
SSW
15
SW
15
SW
10
SW
10
SW
15
SSW
15
SSE
10
SSE
5
E
10
N
15
N
20
N
20
N
25
N
20
NNE
20
NNE
20
N
15
N
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-on
glassy
cross
cross
cross
cross
cross
cross
cross-on
cross
cross-off
High Tide
4:01PM0.59m
4:28AM0.68m
4:25PM0.53m
5:22AM0.59m
10:50AM0.52m
4:44PM0.46m
Low Tide
11:11AM0.24m
10:22PM0.27m
12:29PM0.35m
9:01PM0.27m
8:41AM0.49m
2:23PM0.43m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:26
6:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:00
6:00
6:00
 mm
Temp °C
18
19
17
16
16
15
14
16
18
17
15
15
14
14
14
17
23
23
19
17
Feels °C
15
15
13
13
14
13
12
14
15
15
15
13
11
10
9
13
19
20
17
15
  • 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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