Surf Break

Lat Long: 28.00° S 48.63° W

Siriu 48 hour detailed Surf Forecast

Issued: 8 pm 26 Sep 2026 (local time)

Forecast update in  hr  min

Today's Siriu sea temperature is
17.0°C
2.6° 

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 (26 Sep):

  • Evening surf: Evening surf (26 Sep, local time) - 2.5ft (0.7m), 7s period with ENE swell.

The current surf forecast for Siriu at 11PM is: 0.7m 7s primary swell from a East-northeast direction and 0.3m 10s secondary swell from a South-southeast direction (forecast issued at 08:00pm September 26). An open ocean swell of 0.2m 2s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (-03) & DateWave HeightWave Period
Morning (26 Sep)--
Afternoon (26 Sep)--
Evening (26 Sep)2.5ft (0.7m)7s

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


Short Range Forecast

Heavy rain (total 34mm), heaviest during Mon afternoon. Warm (max 21°C on Sun morning, min 18°C on Sat night). Wind will be generally light.

Sat
26
Sunday
27
Monday
28
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
1
1
1
1
1
0
0
0
1
1
1
0
0
0
1
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.8
ENE
7
0.7
ENE
7
0.7
ENE
7
0.7
ENE
7
0.7
ENE
7
0.6
ENE
7
0.4
ENE
7
0.4
SSE
11
0.6
S
11
0.7
S
10
0.8
S
10
0.8
S
10
0.7
S
10
0.9
E
6
1
E
6
0.9
E
6
1
E
6
1
E
6
Wave Graph
Metric surfscale
Energy kJ
58
47
48
48
48
36
18
40
82
108
125
118
89
62
66
54
76
79
Wind (km/h)
10
SSW
15
SSW
10
SSW
5
SSW
5
SW
5
E
10
NE
10
ENE
10
ENE
10
NE
5
NNE
10
NNE
10
NNE
15
N
10
NNE
10
N
10
N
15
NNW
Wind State
cross-off
cross-off
cross-off
cross-off
glassy
glassy
cross-on
on
cross-on
cross-on
cross
cross
cross
cross
cross-on
cross-off
cross
cross-off
High Tide
1:46AM0.83m
2:17PM0.71m
2:19AM0.82m
2:36PM0.66m
Low Tide
8:16PM0.18m
8:44AM0.04m
8:44PM0.17m
9:25AM0.12m
clear
clear
clear
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
mod rain
light rain
mod rain
mod rain
light rain
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
5:58
—
—
—
—
—
—
—
5:56
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:12
—
—
—
—
—
—
—
6:12
—
—
—
—
—
—
—
6:13
—
 mm
—
—
—
—
—
—
—
—
—
—
1
2
7
2
7
9
2
—
Temp °C
21
20
19
18
18
20
21
21
20
19
19
19
18
20
20
19
20
19
Feels °C
21
19
19
19
20
22
22
21
21
20
20
20
19
20
21
19
21
19
  • 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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