Siriu Surf Break

Lat Long: 28.00° S 48.63° W

Siriu 48 hour detailed Surf Forecast

Issued: 2 pm 06 Sep 2026 (local time)

Forecast update in  hr  min

Today's Siriu sea temperature is
18.5°C
0.4° 

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 (06 Sep):

  • Afternoon surf: Afternoon surf (06 Sep, local time) - 8ft (2.5m), 10s period with S swell.
  • Evening surf: Evening surf (06 Sep, local time) - 10ft (3.0m), 10s period with S swell.

The current surf forecast for Siriu at 9PM is: 3.0m 10s primary swell from a South direction and 2.3m 10s secondary swell from a South direction, 0.2m 8s secondary swell from a East direction (forecast issued at 02:00pm September 06). The wind direction is predicted to be cross-offshore and the swell rating is 11.

Time (-03) & DateWave HeightWave Period
Morning (06 Sep)--
Afternoon (06 Sep)8ft (2.5m)10s
Evening (06 Sep)10ft (3.0m)10s

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


Short Range Forecast

Mostly dry. Warm (max 21°C on Tue afternoon, min 8°C on Sun night). Winds decreasing (fresh winds from the SSW on Sun afternoon, calm by Wed morning).

Sun
6
Monday
7
Tuesday
8
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)
1
2
3
!
4
4
3
3
1
1
1
2
2
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)
2.4
S
9
2.5
S
10
2.5
S
10
3
S
10
2.5
S
10
2.2
S
10
1.7
S
10
1.6
S
10
1.6
SSE
10
1.6
SSE
10
1.6
SSE
10
1.5
SSE
10
1.5
SSE
10
1.4
SSE
10
1.3
SSE
10
1.2
SSE
10
1.2
SSE
10
0.9
SSE
9
0.9
SSE
9
0.9
SSE
9
Wave Graph
Metric surfscale
Energy kJ
963
1194
1282
1509
1155
895
561
499
454
454
480
425
425
373
346
258
248
156
156
153
Wind (km/h)
25
SSW
25
SSW
25
SSW
15
SSW
15
SW
10
WSW
10
WSW
10
SSW
10
SE
10
E
10
NE
10
N
10
NNW
15
N
10
N
15
N
20
NNE
20
NNE
15
NNE
10
N
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
cross-off
cross-on
on
cross-on
cross-off
cross-off
cross-off
cross-off
cross
cross
cross-on
cross-on
cross
High Tide
1:01PM0.79m
00:24AM0.46m
1:32PM0.82m
00:17AM0.54m
1:57PM0.80m
Low Tide
6:52PM0.34m
5:49AM0.06m
7:07PM0.33m
6:35AM-0.01m
7:28PM0.33m
part cloud
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:22
6:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:02
6:02
6:02
 mm
Temp °C
13
13
12
11
10
9
8
11
13
14
13
12
12
12
12
16
20
21
18
17
Feels °C
5
5
5
5
5
5
4
8
10
11
10
9
9
9
9
13
16
17
16
16
  • 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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