Siriu Surf Break

Lat Long: 28.00° S 48.63° W

Siriu 48 hour detailed Surf Forecast

Issued: 2 am 10 Aug 2026 (local time)

Forecast update in  hr  min

Today's Siriu sea temperature is
19.3° 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 (10 Aug):

  • Morning surf: Morning surf (10 Aug, local time) - 7ft (2.2m), 12s period with S swell.
  • Afternoon surf: Afternoon surf (10 Aug, local time) - 8ft (2.4m), 12s period with S swell.
  • Evening surf: Evening surf (10 Aug, local time) - 7ft (2.1m), 12s period with S swell.

The current surf forecast for Siriu at 9AM is: 2.2m 12s primary swell from a South direction and 1.8m 12s secondary swell from a South direction, 0.4m 8s secondary swell from a East-northeast direction (forecast issued at 02:00am August 10). The wind direction is predicted to be cross-offshore and the swell rating is 4.

Time (-03) & DateWave HeightWave Period
Morning (10 Aug)7ft (2.2m)12s
Afternoon (10 Aug)8ft (2.4m)12s
Evening (10 Aug)7ft (2.1m)12s

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


Short Range Forecast

Light rain (total 5mm), mostly falling on Tue afternoon. Very mild (max 16°C on Wed afternoon, min 12°C on Mon morning). Wind will be generally light.

Monday
10
Tuesday
11
Wednesday
12
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)
4
4
4
4
3
2
4
4
4
4
4
4
4
2
2
3
3
3
2
2
2
2
1
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)
2
SSE
12
1.9
SSE
12
2.3
S
12
2.2
S
12
2.2
S
12
2.4
S
12
2.5
S
12
2.1
S
12
2.2
SSE
12
2.2
SSE
12
2.1
SSE
12
2
SSE
12
1.9
SSE
12
1.8
SSE
12
1.9
SSE
12
1.9
SSE
12
1.9
SSE
12
1.9
SSE
12
1.8
SSE
12
1.8
SSE
12
1.7
SSE
12
1.7
SSE
12
1.6
SSE
12
1.6
SSE
12
Wave Graph
Metric surfscale
Energy kJ
1001
1082
1519
1369
1378
1712
1797
1312
1338
1382
1261
1145
1002
887
985
1016
1016
1016
918
918
824
824
730
730
Wind (km/h)
10
SW
10
SW
15
SW
15
SW
20
SSW
20
S
15
SSW
10
SW
10
SW
5
SW
5
SSW
5
SSW
5
NW
5
N
10
NNE
10
NNE
10
N
15
N
15
NNE
10
N
15
N
15
N
20
NNE
20
N
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
glassy
cross
cross-on
cross
cross
cross
cross
cross
cross
cross
cross
cross
High Tide
2:19PM0.83m
00:41AM0.55m
2:47PM0.81m
00:59AM0.63m
3:02PM0.76m
Low Tide
6:52AM0.01m
8:05PM0.31m
7:36AM-0.05m
8:33PM0.34m
8:17AM-0.08m
8:57PM0.36m
cloud
cloud
cloud
cloud
clear
clear
clear
part cloud
cloud
cloud
cloud
cloud
cloud
light rain
cloud
light rain
cloud
cloud
light rain
light rain
light rain
cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:50
6:48
6:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:49
5:50
5:50
 mm
1
1
1
1
1
Temp °C
13
13
13
12
14
15
13
12
12
12
12
13
13
12
12
12
12
12
13
13
14
15
16
16
Feels °C
11
10
9
8
8
9
8
9
9
10
10
12
12
10
10
10
10
9
11
11
11
13
13
13
  • 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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