Siriu Surf Break

Lat Long: 28.00° S 48.63° W

Siriu 48 hour detailed Surf Forecast

Issued: 2 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 (09 Aug):

  • Afternoon surf: Afternoon surf (09 Aug, local time) - 8ft (2.5m), 9s period with S swell.
  • Evening surf: Evening surf (09 Aug, local time) - 7ft (2.1m), 11s period with SSE swell.

The current surf forecast for Siriu at 7PM is: 2.0m 11s primary swell from a South direction and 0.5m 7s secondary swell from a East-northeast direction (forecast issued at 02:00pm August 09). The wind direction is predicted to be cross-offshore and the swell rating is 3.

Time (-03) & DateWave HeightWave Period
Morning (09 Aug)--
Afternoon (09 Aug)8ft (2.5m)9s
Evening (09 Aug)7ft (2.1m)11s

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


Short Range Forecast

Light rain (total 7mm), mostly falling on Sun night. Very mild (max 14°C on Sun afternoon, min 11°C on Sun night). Wind will be generally light.

Sun
9
Monday
10
Tuesday
11
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
2
3
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
Height Map
Wave
Height (m)
Direction
Period (s)
2
S
8
2.5
S
9
2
S
11
2.1
SSE
11
2
SSE
12
1.9
SSE
12
1.8
SSE
12
2.2
S
12
2.2
S
12
1.8
S
13
2.4
S
12
2
S
12
2.2
SSE
12
2.2
SSE
12
2.1
SSE
12
2
SSE
13
1.9
SSE
12
1.9
SSE
12
1.9
SSE
12
1.9
SSE
12
Wave Graph
Metric surfscale
Energy kJ
572
1015
934
990
1001
1082
976
1369
1378
1053
1629
1194
1338
1382
1281
1202
1035
985
985
1016
Wind (km/h)
20
S
20
S
10
S
10
SW
10
SW
5
SW
15
SW
15
SW
15
SW
20
S
15
SSW
10
SW
10
SW
10
SW
5
SW
5
SSW
0
NNW
5
N
5
N
10
NNE
Wind State
cross
cross
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
1:43PM0.81m
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
cloud
cloud
light rain
light rain
light rain
cloud
cloud
cloud
cloud
part cloud
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
5:49
5:50
 mm
1
2
1
Temp °C
15
14
12
12
11
11
12
12
12
14
13
12
12
12
12
13
14
13
12
12
Feels °C
10
9
9
10
9
9
9
9
8
9
9
8
9
10
10
11
13
12
10
10
  • 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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