Siriu Surf Break

Lat Long: 28.00° S 48.63° W

Siriu 48 hour detailed Surf Forecast

Issued: 8 pm 14 Sep 2026 (local time)

Forecast update in  hr  min

Today's Siriu sea temperature is
16.9°C
2.0° 

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):

  • Morning surf: Morning surf (15 Sep, local time) - 3ft (0.9m), 8s period with SSE swell.
  • 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) - 2.5ft (0.7m), 10s period with S swell.

The current surf forecast for Siriu at 3AM is: 1.0m 8s primary swell from a South direction and 0.8m 9s secondary swell from a Southeast direction (forecast issued at 08:00pm September 14). The wind direction is predicted to be glassy and the swell rating is 2.

Time (-03) & DateWave HeightWave Period
Morning (15 Sep)3ft (0.9m)8s
Afternoon (15 Sep)2.5ft (0.8m)10s
Evening (15 Sep)2.5ft (0.7m)10s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Mon night. Very mild (max 18°C on Tue morning, min 13°C on Mon night). Wind will be generally light.

Mon
14
Tuesday
15
Wednesday
16
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
2
2
2
2
1
0
1
2
2
2
2
2
0
0
0
4
Swell
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
9
1.1
S
9
1
S
8
1
S
8
0.9
SE
9
0.9
SSE
8
0.8
SSE
9
0.8
SSE
10
0.8
SSE
10
0.7
S
10
0.7
S
10
0.9
SSE
12
1.2
S
11
0.8
SSE
10
1.2
S
8
1.2
S
8
1.3
S
8
1.9
S
9
Wave Graph
Metric surfscale
Energy kJ
202
181
144
140
129
120
113
143
141
96
94
224
326
125
210
210
228
586
Wind (km/h)
5
SW
5
SW
0
NNW
5
WNW
5
SW
10
SSW
15
S
10
SSE
10
S
10
SSW
10
SSW
10
SSW
10
SW
10
SSW
15
SSE
20
S
15
S
15
SSW
Wind State
glassy
glassy
glassy
glassy
cross-off
cross-off
cross
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross-off
High Tide
3:23AM0.73m
3:13PM0.63m
4:00AM0.66m
3:33PM0.60m
Low Tide
8:47PM0.18m
9:26AM0.32m
8:54PM0.17m
8:51AM0.38m
light rain
light rain
part cloud
clear
clear
clear
part cloud
cloud
cloud
light rain
cloud
cloud
part cloud
clear
part cloud
clear
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:11
6:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:06
6:07
6:07
 mm
1
1
1
Temp °C
14
14
14
14
13
15
18
16
15
15
14
14
14
16
17
16
14
14
Feels °C
14
14
14
14
12
14
16
14
13
14
12
12
13
14
13
12
10
11
  • 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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