Siriu Surf Break

Lat Long: 28.00° S 48.63° W

Siriu 48 hour detailed Surf Forecast

Issued: 2 pm 19 Sep 2026 (local time)

Forecast update in  hr  min

Today's Siriu sea temperature is
16.2°C
3.0° 

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 (19 Sep):

  • Afternoon surf: Afternoon surf (19 Sep, local time) - 4.5ft (1.4m), 7s period with ENE swell.
  • Evening surf: Evening surf (19 Sep, local time) - 6ft (1.8m), 7s period with ENE swell.

The current surf forecast for Siriu at 11PM is: 2.0m 7s primary swell from a East-northeast direction and 0.4m 12s secondary swell from a South-southeast direction, 0.3m 12s secondary swell from a South-southeast direction (forecast issued at 02:00pm September 19). The wind direction is predicted to be cross-onshore.

Time (-03) & DateWave HeightWave Period
Morning (19 Sep)--
Afternoon (19 Sep)4.5ft (1.4m)7s
Evening (19 Sep)6ft (1.8m)7s

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


Short Range Forecast

Heavy rain (total 47mm), heaviest during Sat night. Warm (max 24°C on Sun afternoon, min 13°C on Tue morning). Winds decreasing (fresh winds from the NNE on Sat night, calm by Mon morning).

Sat
19
Sunday
20
Monday
21
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)
0
0
0
0
0
0
0
!
!
2
!
!
!
2
2
0
2
0
1
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
7
1.4
ENE
7
1.6
ENE
7
1.8
ENE
7
2.1
ENE
8
2.5
ENE
8
2.4
ENE
9
3
NE
9
3
NE
9
2.5
ENE
10
3
NE
10
3
NE
10
3
NE
10
2.5
NE
9
2.5
NE
9
1.9
ENE
9
1.7
ENE
9
1.7
ENE
9
1.7
ENE
9
1.6
ENE
9
Wave Graph
Metric surfscale
Energy kJ
301
208
235
315
491
785
848
1503
1755
1183
1947
1742
1411
1143
1112
573
474
456
456
406
Wind (km/h)
15
NE
20
NE
25
NE
30
NE
30
NNE
30
NNE
25
NNE
20
NNE
20
N
20
NNE
20
NNE
20
N
20
N
20
NNE
20
N
30
S
5
SE
20
NNE
5
NNE
10
NW
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
glassy
cross-on
cross
cross-off
High Tide
12:05PM0.59m
11:20PM0.37m
12:15PM0.64m
11:19PM0.46m
12:28PM0.69m
Low Tide
9:41PM0.37m
3:45AM0.24m
5:46PM0.40m
4:51AM0.17m
5:58PM0.35m
light rain
light rain
light rain
mod rain
light rain
light rain
light rain
cloud
clear
clear
thunderstorm
clear
clear
part cloud
clear
rain showers
rain showers
part cloud
light rain
mod rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:07
6:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:08
6:08
6:08
 mm
3
4
4
9
4
5
2
1
1
3
4
6
Temp °C
18
17
18
18
18
19
19
19
23
24
21
20
20
21
21
21
19
20
19
19
Feels °C
17
15
15
14
14
15
16
18
22
23
20
19
19
20
20
17
21
19
21
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 

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.


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