Siriu Surf Break

Lat Long: 28.00° S 48.63° W

Siriu 48 hour detailed Surf Forecast

Issued: 8 am 27 Aug 2026 (local time)

Forecast update in  hr  min

Today's Siriu sea temperature is
18.1°C
0.7° 

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 (27 Aug):

  • Morning surf: Morning surf (27 Aug, local time) - 5ft (1.6m), 14s period with SSE swell.
  • Afternoon surf: Afternoon surf (27 Aug, local time) - 4.5ft (1.4m), 13s period with SSE swell.
  • Evening surf: Evening surf (27 Aug, local time) - 4ft (1.2m), 13s period with SSE swell.

The current surf forecast for Siriu at 12PM is: 1.5m 13s primary swell from a South-southeast direction and 1.0m 6s secondary swell from a Northeast direction (forecast issued at 08:00am August 27). The wind direction is predicted to be cross-shore.

Time (-03) & DateWave HeightWave Period
Morning (27 Aug)5ft (1.6m)14s
Afternoon (27 Aug)4.5ft (1.4m)13s
Evening (27 Aug)4ft (1.2m)13s

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


Short Range Forecast

Mostly dry. Warm (max 27°C on Fri afternoon, min 19°C on Thu night). Winds decreasing (fresh winds from the NNE on Thu afternoon, calm by Fri night).

Thursday
27
Friday
28
Saturday
29
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)
2
2
1
0
1
1
1
1
1
1
0
0
1
2
3
2
2
1
1
1
1
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)
1.7
SSE
14
1.6
SSE
14
1.5
SSE
13
1.4
SSE
13
1.3
SSE
13
1.2
SSE
13
1.8
NE
7
1.8
NE
7
1.8
NE
8
1.9
NE
8
1.5
NE
8
1.6
NE
8
2.1
NE
8
2
NE
8
2
NE
8
1.8
NE
8
1.9
NE
8
1.4
ENE
8
1.4
ENE
8
1.4
ENE
8
1.4
ENE
8
1.3
ENE
8
Wave Graph
Metric surfscale
Energy kJ
1210
943
756
649
520
423
344
363
373
403
255
283
502
480
504
437
481
250
256
262
250
216
Wind (km/h)
15
NNE
20
NNE
20
NNE
25
NNE
25
NNE
25
N
20
N
20
N
20
NNE
20
NNE
25
NNE
20
NNE
15
N
5
S
5
ENE
10
N
15
N
20
SSW
5
ESE
15
S
15
SSW
15
SSW
Wind State
cross
cross
cross
cross-on
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
glassy
cross
cross
cross-off
on
cross
cross-off
cross-off
High Tide
2:12PM0.77m
1:33AM0.78m
2:31PM0.76m
2:02AM0.81m
2:52PM0.74m
Low Tide
7:55AM-0.04m
8:17PM0.25m
8:29AM-0.04m
8:45PM0.24m
9:04AM-0.02m
clear
part cloud
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:33
6:33
6:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:58
5:58
5:59
 mm
Temp °C
18
20
23
23
20
19
19
19
19
23
26
27
24
21
19
20
22
20
23
22
20
19
Feels °C
17
18
20
20
17
17
17
17
17
21
23
26
24
23
21
20
21
18
25
22
20
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.


Nearest locationNearest