Siriu Surf Break

Lat Long: 28.00° S 48.63° W

Siriu 48 hour detailed Surf Forecast

Issued: 2 am 19 Sep 2026 (local time)

Forecast update in  hr  min

Today's Siriu sea temperature is
16.2°C
3.0° 

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 (19 Sep):

  • Morning surf: Morning surf (19 Sep, local time) - 5ft (1.5m), 7s period with ENE swell.
  • Afternoon surf: Afternoon surf (19 Sep, local time) - 5ft (1.6m), 7s period with ENE swell.
  • Evening surf: Evening surf (19 Sep, local time) - 6ft (1.9m), 7s period with ENE swell.

The current surf forecast for Siriu at 6AM is: 1.1m 6s primary swell from a Northeast direction and 1.0m 7s secondary swell from a East direction, 0.7m 9s secondary swell from a South-southeast direction (forecast issued at 02:00am September 19). The wind direction is predicted to be cross-onshore.

Time (-03) & DateWave HeightWave Period
Morning (19 Sep)5ft (1.5m)7s
Afternoon (19 Sep)5ft (1.6m)7s
Evening (19 Sep)6ft (1.9m)7s

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


Short Range Forecast

Heavy rain (total 60mm), heaviest during Sat night. Warm (max 24°C on Mon morning, min 18°C on Sat morning). Winds decreasing (fresh winds from the NNE on Sat night, light winds from the NNE by Mon afternoon).

Saturday
19
Sunday
20
Monday
21
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
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
!
2
!
!
!
!
2
2
4
3
1
0
1
Swell
Height Map
Height Map
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
9
1.2
ENE
6
1
E
7
1.5
ENE
7
1.6
ENE
7
1.6
ENE
7
1.6
ENE
7
1.9
ENE
7
2.2
ENE
7
2.4
NE
8
2.5
NE
8
3.5
NE
9
2.5
ENE
9
3
NE
9
3
NE
10
3
NE
10
3
NE
10
2.5
NE
9
2.5
NE
9
2.4
NE
9
1.7
ENE
9
1.7
ENE
9
1.7
ENE
9
1.7
ENE
9
Wave Graph
Metric surfscale
Energy kJ
113
90
103
217
235
235
229
332
542
748
921
1830
1020
1762
1714
1665
1480
1194
1079
963
506
485
485
485
Wind (km/h)
15
NNE
20
NNE
20
NNE
20
NNE
15
NNE
20
NE
20
NE
25
NE
30
NNE
30
NNE
25
NNE
20
NNE
25
N
20
NNE
20
NNE
20
N
15
N
20
N
20
N
10
SSW
10
SSW
10
NNE
15
NNE
10
N
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross-off
cross-off
cross
cross
cross
High Tide
11:52PM0.30m
12:05PM0.59m
11:20PM0.37m
12:15PM0.64m
11:19PM0.46m
12:28PM0.69m
Low Tide
1:59AM0.29m
9:41PM0.37m
3:45AM0.24m
5:46PM0.40m
4:51AM0.17m
5:58PM0.35m
light rain
light rain
light rain
light rain
light rain
light rain
mod rain
mod rain
mod rain
mod rain
light rain
light rain
cloud
part cloud
thunderstorm
clear
clear
clear
clear
thunderstorm
cloud
thunderstorm
part cloud
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:07
6:07
6:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:08
6:08
6:08
 mm
1
2
2
2
4
4
7
7
8
6
3
1
1
1
1
3
Temp °C
18
18
18
18
18
18
18
18
18
19
19
19
21
23
21
20
20
21
21
24
21
21
20
21
Feels °C
17
16
16
16
17
16
16
14
14
15
16
17
19
22
20
19
19
20
19
25
22
23
20
22
  • 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 

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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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