Siriu Surf Break

Lat Long: 28.00° S 48.63° W

Siriu 48 hour detailed Surf Forecast

Issued: 2 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 (15 Sep):

  • Afternoon surf: Afternoon surf (15 Sep, local time) - 2.5ft (0.8m), 10s period with SSE swell.
  • Evening surf: Evening surf (15 Sep, local time) - 3.5ft (1.0m), 6s period with S swell.

The current surf forecast for Siriu at 6PM is: 0.8m 10s primary swell from a South-southeast direction and 0.8m 8s secondary swell from a Southeast direction, 0.7m 6s secondary swell from a South direction (forecast issued at 02:00pm September 15). The wind direction is predicted to be cross-shore.

Time (-03) & DateWave HeightWave Period
Morning (15 Sep)--
Afternoon (15 Sep)2.5ft (0.8m)10s
Evening (15 Sep)3.5ft (1.0m)6s

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


Short Range Forecast

Mostly dry. Very mild (max 19°C on Thu afternoon, min 13°C on Tue night). Wind will be generally light.

Tue
15
Wednesday
16
Thursday
17
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)
0
1
1
1
1
2
2
2
0
1
1
2
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
Height Map
Wave
Height (m)
Direction
Period (s)
1.1
S
10
0.8
SSE
10
0.8
SSE
10
1
S
6
1
S
7
0.8
SSE
12
1.3
S
8
1.4
SSE
8
1.3
S
9
1.5
S
9
1.3
S
9
1.5
S
10
1.6
S
10
1.4
S
9
1.2
S
9
1
S
8
0.9
S
8
1
S
8
1.2
S
11
1.3
SSE
10
Wave Graph
Metric surfscale
Energy kJ
244
139
141
74
89
179
191
238
263
342
269
459
499
347
225
140
111
147
338
365
Wind (km/h)
20
S
15
SSE
15
S
15
SSW
10
SW
10
SW
10
W
5
WSW
15
SSE
15
SSE
15
S
10
S
5
SW
5
WNW
5
N
10
NNE
15
NE
20
NE
20
NE
15
N
Wind State
cross
cross
cross
cross-off
cross-off
cross-off
off
glassy
cross-on
cross
cross
cross-off
glassy
glassy
glassy
cross-on
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
9:26AM0.32m
8:54PM0.17m
8:51AM0.38m
9:10PM0.18m
8:38AM0.43m
part cloud
cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
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
18
16
15
15
15
13
13
16
18
17
15
15
14
14
14
17
18
19
17
15
Feels °C
15
13
12
12
12
11
11
15
14
13
12
13
13
13
13
15
15
15
14
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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