Siriu Surf Break

Lat Long: 28.00° S 48.63° W

Siriu 48 hour detailed Surf Forecast

Issued: 2 am 02 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 (02 Sep):

  • Morning surf: Morning surf (02 Sep, local time) - 6.5ft (2.0m), 10s period with SE swell.
  • Afternoon surf: Afternoon surf (02 Sep, local time) - 6.5ft (2.0m), 10s period with SE swell.
  • Evening surf: Evening surf (02 Sep, local time) - 6ft (1.9m), 11s period with SE swell.

The current surf forecast for Siriu at 6AM is: 2.2m 10s primary swell from a Southeast direction and 0.4m 9s secondary swell from a East-northeast direction (forecast issued at 02:00am September 02). The wind direction is predicted to be cross-offshore and the swell rating is 3.

Time (-03) & DateWave HeightWave Period
Morning (02 Sep)6.5ft (2.0m)10s
Afternoon (02 Sep)6.5ft (2.0m)10s
Evening (02 Sep)6ft (1.9m)11s

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


Short Range Forecast

Light rain (total 8mm), mostly falling on Fri afternoon. Warm (max 23°C on Thu morning, min 13°C on Fri night). Wind will be generally light.

Wednesday
2
Thursday
3
Friday
4
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)
3
4
3
3
1
2
2
2
1
1
1
1
1
0
0
2
2
2
0
0
0
0
1
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)
2.5
SSE
9
2.5
SSE
10
2.2
SE
10
2
SE
10
2.1
SE
10
2
SE
10
2
SE
11
1.9
SE
11
1.8
SE
11
1.8
SE
11
1.6
SE
11
1.5
SE
11
1.3
SE
11
1.2
SE
11
1.1
SE
11
1.1
SE
11
0.9
SE
11
0.8
SE
11
0.8
SE
11
0.7
SE
10
0.6
SE
10
0.8
ENE
8
0.8
ENE
8
0.9
ENE
8
Wave Graph
Metric surfscale
Energy kJ
1094
1245
863
753
850
852
897
850
729
729
629
534
429
344
298
263
194
165
137
108
85
69
71
94
Wind (km/h)
15
SW
15
SW
15
SW
15
SW
10
SSE
10
SE
5
ENE
15
N
15
N
20
N
20
N
25
N
20
NNE
20
NNE
20
N
15
N
10
NNW
15
SSW
20
SW
20
SSW
20
S
20
S
15
SSW
10
SSW
Wind State
cross-off
cross-off
cross-off
cross-off
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross-off
cross-off
High Tide
4:28AM0.68m
4:25PM0.53m
5:22AM0.59m
10:50AM0.52m
4:44PM0.46m
11:45PM0.33m
11:44AM0.63m
Low Tide
12:29PM0.35m
9:01PM0.27m
8:41AM0.49m
2:23PM0.43m
9:02PM0.28m
1:56AM0.30m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
cloud
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:26
6:26
6:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:00
6:00
6:01
 mm
3
2
Temp °C
16
15
14
16
18
17
15
15
14
14
15
18
23
23
19
18
18
17
15
16
17
16
15
14
Feels °C
13
12
12
14
16
15
14
13
11
10
11
14
20
20
17
17
17
15
11
13
14
13
13
12
  • 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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