Siriu Surf Break

Lat Long: 28.00° S 48.63° W

Siriu 48 hour detailed Surf Forecast

Issued: 8 am 28 Aug 2026 (local time)

Forecast update in  hr  min

Today's Siriu sea temperature is
17.8°C
1.0° 

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 (28 Aug):

  • Morning surf: Morning surf (28 Aug, local time) - 7ft (2.2m), 8s period with NE swell.
  • Afternoon surf: Afternoon surf (28 Aug, local time) - 5.5ft (1.7m), 8s period with NE swell.
  • Evening surf: Evening surf (28 Aug, local time) - 5ft (1.5m), 8s period with ENE swell.

The current surf forecast for Siriu at 1PM is: 1.7m 8s primary swell from a East-northeast direction and 0.6m 11s secondary swell from a South-southeast direction (forecast issued at 08:00am August 28). The wind direction is predicted to be cross-shore.

Time (-03) & DateWave HeightWave Period
Morning (28 Aug)7ft (2.2m)8s
Afternoon (28 Aug)5.5ft (1.7m)8s
Evening (28 Aug)5ft (1.5m)8s

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


Short Range Forecast

Moderate rain (total 14mm), heaviest on Sun night. Warm (max 27°C on Fri afternoon, min 18°C on Fri night). Wind will be generally light.

Friday
28
Saturday
29
Sunday
30
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
0
0
1
1
1
1
2
2
2
1
2
1
2
2
2
2
0
0
0
0
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)
2.1
NE
8
2.2
NE
8
1.7
ENE
8
1.7
NE
8
2.1
NE
8
1.5
ENE
8
1.4
ENE
8
1.4
ENE
8
1.4
ENE
8
1.4
ENE
8
1.3
ENE
8
1.3
ENE
8
1.3
ENE
8
1.2
ENE
8
1.2
ENE
8
1.2
E
8
1.2
E
8
1.2
E
8
1.2
E
8
1.2
E
8
1.2
E
8
1.2
E
8
Wave Graph
Metric surfscale
Energy kJ
512
559
339
371
528
280
257
243
243
250
206
206
206
197
202
190
187
177
172
172
172
172
Wind (km/h)
20
N
20
N
20
NNE
20
NNE
15
N
5
S
5
SSW
5
SSW
10
SSW
10
SSW
10
SSW
10
SE
10
SSW
15
SSW
15
SW
15
SW
10
SW
5
S
5
ESE
15
NE
10
NE
15
NNE
Wind State
cross
cross
cross
cross
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross-on
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-on
cross-on
cross-on
cross-on
High Tide
2:31PM0.76m
2:02AM0.81m
2:52PM0.74m
2:33AM0.82m
3:14PM0.70m
Low Tide
8:29AM-0.04m
8:45PM0.24m
9:04AM-0.02m
9:14PM0.24m
9:40AM0.04m
clear
part cloud
clear
clear
part cloud
rain showers
cloud
cloud
cloud
part cloud
cloud
part cloud
part cloud
cloud
part cloud
light rain
light rain
rain showers
rain showers
rain showers
light rain
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:33
6:31
6:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:58
5:59
5:59
 mm
1
1
1
1
1
1
2
1
Temp °C
19
22
26
27
24
19
18
18
18
18
19
21
19
19
19
18
18
18
19
20
19
19
Feels °C
17
20
24
26
24
20
19
19
18
18
20
22
20
19
19
18
18
19
20
20
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 

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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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