Surf Break

Lat Long: 28.00° S 48.63° W

Siriu 48 hour detailed Surf Forecast

Issued: 2 pm 24 Sep 2026 (local time)

Forecast update in  hr  min

Today's Siriu sea temperature is
17.0°C
2.4° 

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 (24 Sep):

  • Afternoon surf: Afternoon surf (24 Sep, local time) - 6ft (1.8m), 13s period with SSE swell.
  • Evening surf: Evening surf (24 Sep, local time) - 5.5ft (1.7m), 14s period with SSE swell.

The current surf forecast for Siriu at 5PM is: 1.8m 13s primary swell from a South-southeast direction and 0.4m 8s secondary swell from a East-northeast direction, 0.9m 4s secondary swell from a North-northeast direction (forecast issued at 02:00pm September 24). The wind direction is predicted to be cross-onshore.

Time (-03) & DateWave HeightWave Period
Morning (24 Sep)--
Afternoon (24 Sep)6ft (1.8m)13s
Evening (24 Sep)5.5ft (1.7m)14s

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


Short Range Forecast

Mostly dry. Warm (max 25°C on Fri morning, min 16°C on Thu night). Wind will be generally light.

Thu
24
Friday
25
Saturday
26
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)
1
0
1
2
2
1
2
1
0
0
0
0
0
0
1
1
0
0
1
1
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)
1.9
SSE
13
1.8
SSE
13
1.7
SSE
14
1.7
SSE
14
1.7
SSE
14
1.5
SSE
13
1.3
SSE
13
1.2
SSE
13
1.1
SSE
12
1
SSE
12
0.9
SSE
12
0.8
SSE
12
0.6
SSE
11
0.5
SSE
11
1.1
NE
6
1.1
NE
6
0.9
ENE
7
0.9
ENE
7
0.8
ENE
7
0.8
ENE
7
Wave Graph
Metric surfscale
Energy kJ
1294
1155
1090
1189
1038
793
560
476
339
269
199
156
97
68
77
75
62
66
62
62
Wind (km/h)
15
NE
20
NE
20
NNE
20
N
15
N
15
N
15
N
15
N
20
NNE
20
NE
15
NNE
15
NNE
15
N
10
N
5
N
5
NNE
10
ENE
5
ENE
10
SSW
10
SSW
Wind State
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross-on
cross-on
cross
cross
cross
cross
cross-off
glassy
on
on
cross-off
cross-off
High Tide
1:22PM0.78m
00:46AM0.76m
1:41PM0.77m
1:15AM0.81m
1:59PM0.75m
Low Tide
7:18PM0.22m
7:29AM-0.04m
7:47PM0.20m
8:06AM-0.02m
8:16PM0.18m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
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6:01
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5:58
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<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
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6:10
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6:10
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6:12
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 mm
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Temp °C
21
21
18
16
16
16
17
21
25
24
21
19
18
18
18
22
24
23
21
20
Feels °C
18
17
15
14
14
14
15
19
23
21
20
18
17
18
19
23
24
24
22
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.


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