Siriu Surf Break

Lat Long: 28.00° S 48.63° W

Siriu 48 hour detailed Surf Forecast

Issued: 8 pm 23 Sep 2026 (local time)

Forecast update in  hr  min

Today's Siriu sea temperature is
17.1°C
2.3° 

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 Sep):

  • Evening surf: Evening surf (23 Sep, local time) - 7ft (2.1m), 14s period with SSE swell.

The current surf forecast for Siriu at 11PM is: 2.1m 14s primary swell from a South-southeast direction and 0.6m 8s secondary swell from a East-northeast direction (forecast issued at 08:00pm September 23). The wind direction is predicted to be cross-shore.

Time (-03) & DateWave HeightWave Period
Morning (23 Sep)--
Afternoon (23 Sep)--
Evening (23 Sep)7ft (2.1m)14s

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


Short Range Forecast

Mostly dry. Warm (max 25°C on Fri morning, min 13°C on Wed night). Wind will be generally light.

Wed
23
Thursday
24
Friday
25
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
3
3
3
3
3
1
1
1
2
2
1
2
1
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.2
SSE
14
2.1
SSE
14
2.1
SSE
13
2
SSE
13
2
SSE
14
1.9
SSE
13
1.9
SSE
13
1.8
SSE
13
1.7
SSE
14
1.7
SSE
14
1.7
SSE
14
1.5
SSE
13
1.3
SSE
13
1.2
SSE
13
1.1
SSE
12
0.9
SSE
12
0.9
SSE
12
0.8
SSE
12
Wave Graph
Metric surfscale
Energy kJ
1913
1652
1535
1398
1419
1267
1294
1155
1090
1189
1038
793
560
476
339
222
199
156
Wind (km/h)
5
NE
10
N
10
N
10
N
10
N
15
NNE
15
NE
20
NE
20
NNE
20
N
20
N
15
N
15
N
20
N
20
NNE
20
NE
15
NNE
15
NNE
Wind State
glassy
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross
cross
cross
cross-off
cross
cross-on
cross-on
cross-on
cross
High Tide
00:20AM0.70m
1:22PM0.78m
00:46AM0.76m
1:41PM0.77m
Low Tide
6:49PM0.25m
6:53AM-0.02m
7:18PM0.22m
7:29AM-0.04m
7:47PM0.20m
cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:01
6:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:09
6:10
6:10
 mm
Temp °C
13
13
13
13
13
16
20
20
18
16
15
16
16
20
25
24
20
19
Feels °C
11
10
11
10
10
14
17
17
16
13
12
14
14
17
23
21
19
18
  • 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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