Siriu Surf Break

Lat Long: 28.00° S 48.63° W

Siriu 48 hour detailed Surf Forecast

Issued: 2 am 09 Jul 2026 (local time)

Forecast update in  hr  min

Today's Siriu sea temperature is
15.0° C
3.9° 

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 (09 Jul):

  • Morning surf: Morning surf (09 Jul, local time) - 2.5ft (0.8m), 10s period with ESE swell.
  • Afternoon surf: Afternoon surf (09 Jul, local time) - 2.5ft (0.8m), 10s period with ESE swell.
  • Evening surf: Evening surf (09 Jul, local time) - 2.5ft (0.8m), 10s period with ESE swell.

The current surf forecast for Siriu at 8AM is: 0.8m 10s primary swell from a East-southeast direction and 0.7m 9s secondary swell from a South direction, 0.2m 3s secondary swell from a North-northeast direction (forecast issued at 02:00am July 09). The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (-03) & DateWave HeightWave Period
Morning (09 Jul)2.5ft (0.8m)10s
Afternoon (09 Jul)2.5ft (0.8m)10s
Evening (09 Jul)2.5ft (0.8m)10s

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


Short Range Forecast

Heavy rain (total 21mm), heaviest during Sat morning. Warm (max 20°C on Thu afternoon, min 15°C on Thu morning). Wind will be generally light.

Thursday
9
Friday
10
Saturday
11
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)
2
1
2
0
0
0
0
1
2
1
1
2
1
1
3
3
3
3
2
2
2
2
2
3
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)
0.8
S
10
0.8
ESE
10
0.8
ESE
10
0.8
ESE
10
0.8
ESE
10
0.8
ESE
10
0.8
ESE
10
0.8
ESE
10
0.8
ESE
10
0.8
ESE
10
0.9
ESE
10
0.9
ESE
12
1.1
ESE
12
1.1
ESE
12
1
ESE
12
0.9
ESE
14
0.9
ESE
14
1.3
ESE
14
1.3
ESE
13
1.3
ESE
13
1.3
ESE
13
1.3
ESE
13
1.2
ESE
13
1.2
ESE
13
Wave Graph
Metric surfscale
Energy kJ
125
123
125
123
116
116
116
116
116
116
163
222
359
347
280
312
277
643
624
615
606
528
484
476
Wind (km/h)
5
NNW
10
N
10
N
10
N
15
NNE
15
NNE
15
N
15
N
10
NW
5
WSW
5
W
5
SSW
10
S
10
SSE
10
SSW
10
SSW
0
SSW
5
NNW
5
N
5
NNE
10
N
10
N
10
N
5
W
Wind State
cross-off
cross
cross-off
cross
cross-on
cross-on
cross
cross-off
cross-off
glassy
glassy
cross-off
cross
cross-on
cross-off
cross-off
glassy
glassy
cross
cross
cross
cross
cross
glassy
High Tide
11:31AM0.60m
00:03AM0.49m
12:39PM0.69m
00:30AM0.48m
1:31PM0.77m
Low Tide
4:12AM0.29m
5:13PM0.26m
5:15AM0.22m
6:32PM0.26m
6:11AM0.14m
7:35PM0.26m
clear
clear
clear
clear
clear
clear
cloud
cloud
part cloud
clear
clear
part cloud
part cloud
cloud
cloud
cloud
light rain
light rain
light rain
rain showers
cloud
light rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:05
7:05
7:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:32
5:32
5:34
 mm
2
2
2
7
1
2
3
Temp °C
13
13
13
15
19
20
16
15
15
15
15
17
18
18
16
15
15
15
15
15
17
18
17
17
Feels °C
11
10
10
12
15
16
13
13
13
14
14
15
16
17
14
14
16
15
15
15
16
18
16
18
  • 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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