Siriu Surf Break

Lat Long: 28.00° S 48.63° W

Siriu 48 hour detailed Surf Forecast

Issued: 8 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) - 4.5ft (1.4m), 7s period with ENE swell.
  • Evening surf: Evening surf (19 Sep, local time) - 5.5ft (1.7m), 7s period with ENE swell.

The current surf forecast for Siriu at 3PM is: 1.4m 7s primary swell from a East-northeast direction and 0.4m 9s secondary swell from a South-southeast direction, 0.3m 13s secondary swell from a South-southeast direction (forecast issued at 08:00am 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)4.5ft (1.4m)7s
Evening (19 Sep)5.5ft (1.7m)7s

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


Short Range Forecast

Heavy rain (total 52mm), heaviest during Sat night. Warm (max 24°C on Sun afternoon, min 16°C on Mon night). Winds decreasing (fresh winds from the NE on Sat night, calm by Mon afternoon).

Saturday
19
Sunday
20
Monday
21
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
1
2
1
2
!
!
2
2
2
3
2
2
2
2
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)
1.5
ENE
7
1.5
ENE
7
1.5
ENE
7
1.4
ENE
7
1.6
ENE
7
1.7
ENE
7
2.2
ENE
7
2.4
ENE
8
2.5
NE
8
2.4
ENE
9
2.5
ENE
9
2.5
ENE
10
3
NE
10
3
NE
10
2.5
NE
10
2.5
NE
9
2.5
NE
9
1.9
ENE
9
1.7
ENE
9
1.7
ENE
9
1.7
ENE
9
1.7
ENE
9
Wave Graph
Metric surfscale
Energy kJ
204
217
229
208
243
286
542
714
860
868
969
1180
1864
1864
1286
1224
1055
586
485
485
466
466
Wind (km/h)
20
NNE
15
NNE
15
NE
20
NE
20
NE
25
NE
30
NE
30
NNE
20
NNE
20
NNE
20
N
20
NNE
20
NNE
15
N
15
N
20
N
20
N
15
SSW
15
SSW
0
WSW
5
NW
10
W
Wind State
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
glassy
cross-off
off
High Tide
12:05PM0.59m
11:20PM0.37m
12:15PM0.64m
11:19PM0.46m
12:28PM0.69m
Low Tide
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
mod rain
mod rain
light rain
light rain
light rain
part cloud
part cloud
clear
clear
clear
clear
clear
thunderstorm
part cloud
rain showers
light rain
rain showers
<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
2
1
3
3
5
9
8
3
2
1
1
1
3
4
Temp °C
18
18
18
18
18
18
18
19
19
19
21
24
22
21
21
21
21
24
22
21
20
20
Feels °C
16
16
16
16
16
15
13
15
17
17
20
23
21
21
21
20
19
24
22
24
22
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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