Siriu Surf Break

Lat Long: 28.00° S 48.63° W

Siriu 48 hour detailed Surf Forecast

Issued: 8 pm 09 Aug 2026 (local time)

Forecast update in  hr  min

Today's Siriu sea temperature is
19.4° C
0.7° 

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 (10 Aug):

  • Morning surf: Morning surf (10 Aug, local time) - 7ft (2.2m), 12s period with S swell.
  • Afternoon surf: Afternoon surf (10 Aug, local time) - 7.5ft (2.3m), 12s period with S swell.
  • Evening surf: Evening surf (10 Aug, local time) - 7ft (2.1m), 12s period with S swell.

The current surf forecast for Siriu at 2AM is: 1.9m 12s primary swell from a South-southeast direction and 0.5m 8s secondary swell from a East-northeast direction (forecast issued at 08:00pm August 09). The wind direction is predicted to be offshore and the swell rating is 4.

Time (-03) & DateWave HeightWave Period
Morning (10 Aug)7ft (2.2m)12s
Afternoon (10 Aug)7.5ft (2.3m)12s
Evening (10 Aug)7ft (2.1m)12s

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


Short Range Forecast

Light rain (total 6mm), mostly falling on Sun night. Very mild (max 15°C on Mon afternoon, min 11°C on Sun night). Wind will be generally light.

Sun
9
Monday
10
Tuesday
11
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)
4
4
4
4
3
4
3
2
3
4
4
4
4
4
4
3
2
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.4
S
10
2.1
SSE
11
2
SSE
12
1.9
SSE
12
1.8
SSE
12
2.2
S
12
2.2
S
12
2.3
S
12
2.4
S
12
2.1
S
12
2.2
SSE
12
2.2
SSE
12
2.1
SSE
12
2
SSE
12
1.9
SSE
12
1.9
SSE
12
1.9
SSE
12
1.9
SSE
12
Wave Graph
Metric surfscale
Energy kJ
1247
990
1001
1082
976
1369
1378
1581
1656
1312
1338
1382
1281
1164
1019
985
985
1016
Wind (km/h)
15
S
5
SW
10
SW
5
SW
10
SW
15
SW
20
SSW
20
S
15
SSW
10
SW
10
WSW
10
SW
5
SW
5
SW
0
W
5
N
5
NNE
5
N
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross-off
cross-off
cross-off
glassy
glassy
glassy
glassy
cross
cross
High Tide
00:39AM0.49m
2:19PM0.83m
00:41AM0.55m
2:47PM0.81m
Low Tide
7:33PM0.30m
6:52AM0.01m
8:05PM0.31m
7:36AM-0.05m
8:33PM0.34m
light rain
light rain
light rain
light rain
cloud
cloud
part cloud
clear
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:50
6:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:49
5:50
 mm
1
1
1
1
Temp °C
13
12
11
11
12
12
14
15
13
12
12
12
12
12
13
13
12
13
Feels °C
9
10
9
9
9
9
9
10
9
9
9
9
10
10
12
12
10
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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