Siriu Surf Break

Lat Long: 28.00° S 48.63° W

Siriu 48 hour detailed Surf Forecast

Issued: 2 pm 23 Aug 2026 (local time)

Forecast update in  hr  min

Today's Siriu sea temperature is
19.3°C
0.6° 

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 (23 Aug):

  • Afternoon surf: Afternoon surf (23 Aug, local time) - 7ft (2.2m), 12s period with SSE swell.
  • Evening surf: Evening surf (23 Aug, local time) - 8ft (2.5m), 14s period with SSE swell.

The current surf forecast for Siriu at 9PM is: 2.5m 14s primary swell from a South-southeast direction and 0.2m 8s secondary swell from a East-northeast direction (forecast issued at 02:00pm August 23). The wind direction is predicted to be cross-offshore and the swell rating is 4.

Time (-03) & DateWave HeightWave Period
Morning (23 Aug)--
Afternoon (23 Aug)7ft (2.2m)12s
Evening (23 Aug)8ft (2.5m)14s

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


Short Range Forecast

Mostly dry. Warm (max 20°C on Wed morning, min 9°C on Sun night). Wind will be generally light.

Sun
23
Monday
24
Tuesday
25
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)
2
2
4
4
4
4
4
4
3
2
3
4
4
3
3
3
1
0
1
1
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)
1.9
SSE
13
2.2
SSE
12
2.5
S
12
2.5
SSE
14
2.5
SSE
14
2.5
SSE
13
2.5
SSE
13
2.5
SSE
14
2.4
SSE
14
2.3
SSE
14
2.2
SSE
14
2.1
SSE
14
2
SSE
13
1.9
SSE
13
1.8
SSE
13
1.8
SSE
13
1.8
SSE
12
1.7
SSE
12
1.7
SSE
12
1.6
SSE
12
Wave Graph
Metric surfscale
Energy kJ
1174
1360
2093
2444
2591
2303
2168
2541
2350
2107
1859
1558
1319
1156
1025
977
916
793
780
658
Wind (km/h)
10
SSE
15
SSE
15
S
10
SW
10
WSW
5
WSW
5
W
5
SW
10
SSE
10
SSE
5
SSE
0
SSE
5
N
5
N
10
N
5
N
15
NNE
15
NNE
15
NNE
15
N
Wind State
cross-on
cross-on
cross
cross-off
off
off
off
glassy
cross-on
cross-on
cross-on
glassy
glassy
cross
cross
glassy
cross-on
cross-on
cross
cross
High Tide
12:57PM0.68m
11:53PM0.52m
1:15PM0.72m
00:17AM0.60m
1:34PM0.75m
Low Tide
6:39PM0.35m
6:07AM0.11m
7:01PM0.31m
6:46AM0.04m
7:25PM0.28m
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:37
6:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:55
5:55
5:57
 mm
Temp °C
15
14
12
11
11
10
9
12
14
14
13
13
12
12
12
14
16
17
15
15
Feels °C
12
10
8
7
8
8
7
11
11
11
11
12
11
10
10
13
13
14
12
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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