Siriu Surf Break

Lat Long: 28.00° S 48.63° W

Siriu 48 hour detailed Surf Forecast

Issued: 8 am 21 Jul 2026 (local time)

Forecast update in  hr  min

Today's Siriu sea temperature is
17.9° C
0.8° 

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 (21 Jul):

  • Morning surf: Morning surf (21 Jul, local time) - 4.5ft (1.3m), 8s period with ENE swell.
  • Afternoon surf: Afternoon surf (21 Jul, local time) - 5ft (1.6m), 8s period with NE swell.
  • Evening surf: Evening surf (21 Jul, local time) - 4.5ft (1.3m), 8s period with ENE swell.

The current surf forecast for Siriu at 11AM is: 1.3m 8s primary swell from a East-northeast direction and 0.3m 10s secondary swell from a South direction (forecast issued at 08:00am July 21). The wind direction is predicted to be glassy and the swell rating is 2.

Time (-03) & DateWave HeightWave Period
Morning (21 Jul)4.5ft (1.3m)8s
Afternoon (21 Jul)5ft (1.6m)8s
Evening (21 Jul)4.5ft (1.3m)8s

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


Short Range Forecast

Moderate rain (total 11mm), heaviest on Wed morning. Warm (max 26°C on Tue afternoon, min 16°C on Thu morning). Wind will be generally light.

Tuesday
21
Wednesday
22
Thursday
23
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)
3
2
2
3
2
2
2
2
2
2
1
1
2
2
1
0
1
3
3
3
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)
1.7
NE
8
1.3
ENE
8
1.3
ENE
8
1.6
NE
8
1.3
ENE
8
1.3
ENE
8
1.3
ENE
8
1.2
ENE
8
1.3
ENE
8
1.2
ENE
8
1.2
ENE
8
1.4
ENE
8
1.2
ENE
8
1.2
ENE
8
1.2
ENE
8
1
ENE
9
1.6
S
7
2.4
S
8
2.5
S
9
2.3
S
9
1.9
SSE
9
2
SSE
9
Wave Graph
Metric surfscale
Energy kJ
382
217
212
314
212
217
217
192
223
176
176
248
188
181
190
158
260
762
1044
861
606
702
Wind (km/h)
10
NNW
5
WSW
0
ENE
5
E
10
SSW
5
WSW
5
SSW
10
SSW
10
WNW
5
SSW
5
NE
15
NNE
10
NNW
15
SSW
15
SSW
20
SW
20
SW
15
SW
20
SSW
15
SSW
10
S
5
SSE
Wind State
cross-off
glassy
glassy
glassy
cross-off
glassy
glassy
cross-off
cross-off
cross-off
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
High Tide
5:30AM0.59m
5:44PM0.52m
11:26PM0.35m
6:39AM0.52m
11:53AM0.46m
6:22PM0.49m
12:23PM0.53m
7:29PM0.46m
Low Tide
1:28PM0.37m
10:47PM0.35m
1:39AM0.34m
10:04AM0.46m
3:00PM0.43m
3:12AM0.30m
4:48PM0.43m
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
cloud
cloud
light rain
light rain
light rain
cloud
part cloud
part cloud
light rain
rain showers
clear
part cloud
clear
rain showers
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:01
7:01
7:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:38
5:38
5:39
 mm
1
5
1
1
1
1
1
Temp °C
22
22
25
26
21
20
19
18
19
19
19
21
21
18
17
17
17
16
18
18
17
17
Feels °C
22
23
27
28
21
21
20
18
20
21
20
21
21
17
15
14
14
14
15
16
16
16
  • 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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