Siriu Surf Break

Lat Long: 28.00° S 48.63° W

Siriu 48 hour detailed Surf Forecast

Issued: 8 pm 06 Aug 2026 (local time)

Forecast update in  hr  min

Today's Siriu sea temperature is
19.5° C
0.9° 

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 (07 Aug):

  • Morning surf: Morning surf (07 Aug, local time) - 3ft (0.9m), 8s period with ENE swell.
  • Afternoon surf: Afternoon surf (07 Aug, local time) - 5.5ft (1.7m), 8s period with S swell.
  • Evening surf: Evening surf (07 Aug, local time) - 8ft (2.5m), 9s period with S swell.

The current surf forecast for Siriu at 4AM is: 0.9m 8s primary swell from a East-northeast direction and 0.4m 11s secondary swell from a South-southeast direction, 1.0m 5s secondary swell from a North direction (forecast issued at 08:00pm August 06). The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (-03) & DateWave HeightWave Period
Morning (07 Aug)3ft (0.9m)8s
Afternoon (07 Aug)5.5ft (1.7m)8s
Evening (07 Aug)8ft (2.5m)9s

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


Short Range Forecast

Moderate rain (total 13mm), heaviest on Sun morning. Warm (max 22°C on Thu night, min 12°C on Sun morning). Wind will be generally light.

Thu
6
Friday
7
Saturday
8
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
1
1
2
1
0
0
0
2
3
3
2
2
2
2
2
3
4
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
ENE
8
0.9
ENE
8
0.8
ENE
8
0.9
ENE
8
0.9
ENE
8
0.9
ENE
8
0.9
ENE
8
1.7
S
8
2
S
8
2.5
S
9
2
S
10
1.7
S
11
2.1
SSE
15
2
SSE
14
1.9
SSE
14
1.8
SSE
14
1.7
SSE
13
1.7
SSE
13
Wave Graph
Metric surfscale
Energy kJ
91
91
74
103
109
98
87
327
542
999
840
747
1925
1526
1284
1122
989
946
Wind (km/h)
10
NNW
15
NNW
10
NNW
10
NNW
10
NW
15
S
15
S
20
S
20
SSW
10
S
5
E
10
NNE
15
N
20
N
15
N
15
N
15
N
10
WSW
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross-off
cross
glassy
cross-on
cross
cross
cross
cross
cross
cross-off
High Tide
6:49PM0.41m
11:59PM0.40m
12:18PM0.66m
00:27AM0.42m
1:03PM0.75m
Low Tide
3:56PM0.36m
9:30PM0.37m
3:48AM0.28m
5:46PM0.34m
5:03AM0.19m
6:53PM0.31m
part cloud
light rain
cloud
light rain
rain showers
part cloud
part cloud
part cloud
clear
clear
cloud
part cloud
cloud
light rain
rain showers
rain showers
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:52
6:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:47
5:47
 mm
1
1
1
1
2
1
Temp °C
23
22
22
21
22
19
19
17
15
14
14
14
14
14
16
19
19
19
Feels °C
24
21
21
20
21
17
16
12
10
11
13
11
10
10
13
17
17
19
  • 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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