Siriu Surf Break

Lat Long: 28.00° S 48.63° W

Siriu 48 hour detailed Surf Forecast

Issued: 8 pm 17 Jul 2026 (local time)

Forecast update in  hr  min

Today's Siriu sea temperature is
15.9° C
2.9° 

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 (18 Jul):

  • Morning surf: Morning surf (18 Jul, local time) - 7ft (2.1m), 8s period with NE swell.
  • Afternoon surf: Afternoon surf (18 Jul, local time) - 5.5ft (1.7m), 8s period with ENE swell.
  • Evening surf: Evening surf (18 Jul, local time) - 6.5ft (2.0m), 8s period with NE swell.

The current surf forecast for Siriu at 4AM is: 2.1m 8s primary swell from a Northeast direction and 1.7m 8s secondary swell from a East-northeast direction, 0.3m 10s secondary swell from a East-southeast direction (forecast issued at 08:00pm July 17). The wind direction is predicted to be cross-shore.

Time (-03) & DateWave HeightWave Period
Morning (18 Jul)7ft (2.1m)8s
Afternoon (18 Jul)5.5ft (1.7m)8s
Evening (18 Jul)6.5ft (2.0m)8s

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


Short Range Forecast

Mostly dry. Warm (max 26°C on Sun afternoon, min 18°C on Fri night). Wind will be generally light.

Fri
17
Saturday
18
Sunday
19
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)
1
2
2
2
2
1
1
0
1
2
1
1
1
2
1
0
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2
NE
8
2.1
NE
8
2.1
NE
8
2.2
NE
8
2.2
NE
8
2.1
NE
8
2.1
NE
8
1.7
ENE
8
2.1
NE
8
2
NE
8
2
NE
8
2.1
NE
8
2
NE
8
1.9
NE
8
1.8
NE
8
1.5
ENE
8
1.5
ENE
8
1.9
NE
8
Wave Graph
Metric surfscale
Energy kJ
519
588
588
650
639
604
574
390
555
545
530
579
492
447
403
278
271
458
Wind (km/h)
20
NNE
15
NNE
20
N
20
N
15
N
15
N
20
NNE
20
NNE
15
NNE
15
N
15
N
15
N
15
N
15
N
15
NNE
20
NNE
15
N
15
N
Wind State
cross
cross
cross
cross
cross
cross
cross
cross-on
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
High Tide
4:11PM0.60m
3:15AM0.73m
4:27PM0.56m
9:16PM0.43m
3:55AM0.71m
4:49PM0.55m
Low Tide
10:48PM0.45m
11:12AM0.11m
8:49PM0.43m
10:55PM0.43m
11:48AM0.20m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:03
7:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:37
5:37
 mm
Temp °C
19
18
18
18
18
20
25
25
21
21
20
19
19
21
25
26
21
22
Feels °C
16
15
15
15
15
17
21
21
18
19
17
16
16
18
21
23
18
20
  • 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