Siriu Surf Break

Lat Long: 28.00° S 48.63° W

Siriu 48 hour detailed Surf Forecast

Issued: 8 pm 03 Sep 2026 (local time)

Forecast update in  hr  min

Today's Siriu sea temperature is
18.6°C
0.3° 

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 (04 Sep):

  • Morning surf: Morning surf (04 Sep, local time) - 2.5ft (0.7m), 10s period with SE swell.
  • Afternoon surf: Afternoon surf (04 Sep, local time) - 2.5ft (0.8m), 8s period with ENE swell.
  • Evening surf: Evening surf (04 Sep, local time) - 3ft (0.9m), 8s period with ENE swell.

The current surf forecast for Siriu at 1AM is: 0.9m 11s primary swell from a Southeast direction and 0.8m 6s secondary swell from a Northeast direction, 1.2m 5s secondary swell from a North-northeast direction (forecast issued at 08:00pm September 03). The wind direction is predicted to be offshore and the swell rating is 2.

Time (-03) & DateWave HeightWave Period
Morning (04 Sep)2.5ft (0.7m)10s
Afternoon (04 Sep)2.5ft (0.8m)8s
Evening (04 Sep)3ft (0.9m)8s

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


Short Range Forecast

Heavy rain (total 26mm), heaviest during Fri night. Very mild (max 19°C on Thu night, min 13°C on Sat morning). Winds increasing (light winds from the SSW on Fri night, fresh winds from the SSW by Sun afternoon).

Thu
3
Friday
4
Saturday
5
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
2
1
0
0
0
0
0
1
2
2
2
1
3
3
3
2
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
SE
11
1.1
SE
11
1
SE
11
0.8
SE
11
0.8
SE
11
0.7
SE
10
0.7
SE
10
0.8
ENE
8
0.8
ENE
8
0.9
ENE
8
0.9
ENE
8
0.9
ENE
8
0.9
ENE
8
0.8
S
9
1.2
S
9
1.3
S
9
1.3
S
9
1.5
S
9
Wave Graph
Metric surfscale
Energy kJ
298
263
228
165
137
108
102
69
71
94
119
125
125
122
234
264
263
332
Wind (km/h)
20
N
15
N
10
NW
15
SSW
15
SSW
20
SSW
15
S
15
S
15
S
10
SSW
10
SSW
10
S
10
SSW
10
S
15
SSW
15
SSW
15
SW
20
SSW
Wind State
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross-off
cross-off
cross-off
High Tide
4:44PM0.46m
11:45PM0.33m
11:44AM0.63m
00:04AM0.36m
12:25PM0.73m
Low Tide
9:02PM0.28m
1:56AM0.30m
9:10PM0.30m
3:36AM0.25m
clear
clear
clear
clear
part cloud
part cloud
part cloud
cloud
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:24
6:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:00
6:01
6:01
 mm
1
5
3
3
2
2
3
4
3
Temp °C
20
19
19
17
16
17
16
17
15
14
14
14
14
14
13
13
14
14
Feels °C
18
17
19
15
14
15
13
14
13
13
13
13
13
12
11
11
11
10
  • 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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