Siriu Surf Break

Lat Long: 28.00° S 48.63° W

Siriu 48 hour detailed Surf Forecast

Issued: 8 pm 15 Sep 2026 (local time)

Forecast update in  hr  min

Today's Siriu sea temperature is
16.9°C
2.1° 

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 (16 Sep):

  • Morning surf: Morning surf (16 Sep, local time) - 4.5ft (1.3m), 9s period with SSE swell.
  • Afternoon surf: Afternoon surf (16 Sep, local time) - 4ft (1.2m), 9s period with S swell.
  • Evening surf: Evening surf (16 Sep, local time) - 5ft (1.5m), 11s period with S swell.

The current surf forecast for Siriu at 4AM is: 1.4m 8s primary swell from a South-southeast direction and 0.6m 12s secondary swell from a South-southeast direction (forecast issued at 08:00pm September 15). The wind direction is predicted to be offshore and the swell rating is 2.

Time (-03) & DateWave HeightWave Period
Morning (16 Sep)4.5ft (1.3m)9s
Afternoon (16 Sep)4ft (1.2m)9s
Evening (16 Sep)5ft (1.5m)11s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Fri afternoon. Very mild (max 19°C on Thu morning, min 13°C on Tue night). Wind will be generally light.

Tue
15
Wednesday
16
Thursday
17
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
2
2
2
2
0
0
2
3
3
2
2
1
0
0
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.8
SSE
10
1
S
7
1.1
S
7
1.5
S
8
1.3
S
8
1.3
SSE
9
1.2
S
9
1.2
S
9
1.5
S
9
1.5
S
11
1.6
S
10
1.4
S
10
1.2
S
9
1
S
8
0.9
S
8
1.1
SSE
11
1.2
SSE
11
1.1
S
11
Wave Graph
Metric surfscale
Energy kJ
141
103
114
258
196
264
225
220
357
516
509
361
235
143
113
303
350
275
Wind (km/h)
15
S
15
SSW
10
SW
10
WSW
10
W
5
W
10
SE
15
SSE
10
S
10
SSW
5
WSW
5
WNW
5
NW
10
NNE
15
NE
20
NE
15
NE
15
N
Wind State
cross
cross-off
cross-off
cross-off
off
glassy
cross-on
cross-on
cross
cross-off
glassy
off
cross-off
cross
cross-on
cross-on
cross-on
cross
High Tide
3:13PM0.63m
4:00AM0.66m
3:33PM0.60m
4:42AM0.58m
3:51PM0.57m
Low Tide
8:54PM0.17m
8:51AM0.38m
9:10PM0.18m
8:38AM0.43m
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:11
6:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:07
6:07
6:07
 mm
Temp °C
15
15
14
13
13
16
18
17
15
15
14
13
13
16
19
19
17
15
Feels °C
12
11
11
11
11
14
15
13
13
14
13
12
12
14
16
16
14
13
  • 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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