Siriu Surf Break

Lat Long: 28.00° S 48.63° W

Siriu 48 hour detailed Surf Forecast

Issued: 8 am 10 Sep 2026 (local time)

Forecast update in  hr  min

Today's Siriu sea temperature is
16.7°C
2.2° 

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 (10 Sep):

  • Morning surf: Morning surf (10 Sep, local time) - 2.5ft (0.8m), 12s period with S swell.
  • Afternoon surf: Afternoon surf (10 Sep, local time) - 3.5ft (1.0m), 15s period with SSE swell.
  • Evening surf: Evening surf (10 Sep, local time) - 3ft (0.9m), 13s period with SSE swell.

The current surf forecast for Siriu at 12PM is: 0.7m 15s primary swell from a South-southeast direction and 0.9m 8s secondary swell from a East-northeast direction, 0.8m 12s secondary swell from a South direction (forecast issued at 08:00am September 10). The wind direction is predicted to be glassy and the swell rating is 2.

Time (-03) & DateWave HeightWave Period
Morning (10 Sep)2.5ft (0.8m)12s
Afternoon (10 Sep)3.5ft (1.0m)15s
Evening (10 Sep)3ft (0.9m)13s

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


Short Range Forecast

Heavy rain (total 41mm), heaviest during Fri afternoon. Warm (max 20°C on Thu morning, min 14°C on Sat night). Winds increasing (calm on Thu morning, fresh winds from the SSW by Fri night).

Thursday
10
Friday
11
Saturday
12
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
2
2
2
2
2
2
1
1
2
1
2
2
1
0
0
1
1
2
1
3
3
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)
0.9
SSE
12
0.8
S
12
0.7
SSE
15
1
SSE
15
0.9
SSE
14
0.9
SSE
13
0.8
SSE
13
0.8
SSE
12
1.2
ENE
8
1.2
NE
8
1.1
ENE
8
1.3
ENE
7
1.4
NE
6
1.1
ENE
7
1.1
ENE
7
0.9
ENE
8
1.6
S
7
1.6
S
8
1.8
S
9
1.8
S
9
2.1
S
9
2.1
SSE
9
Wave Graph
Metric surfscale
Energy kJ
240
184
207
456
346
295
225
205
150
169
138
178
144
134
125
99
269
305
505
517
715
660
Wind (km/h)
5
NNE
5
NNE
5
ENE
5
ESE
10
SW
5
WNW
5
E
5
N
10
N
10
NNW
10
N
5
NW
5
NW
5
NNW
30
SSW
15
SW
20
SW
20
SW
25
SSW
25
S
20
SSW
15
SSW
Wind State
glassy
glassy
glassy
on
cross-off
cross-off
glassy
cross
cross
cross-off
cross
cross-off
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross-off
High Tide
2:10PM0.72m
1:11AM0.77m
2:12PM0.69m
1:42AM0.80m
2:21PM0.67m
Low Tide
7:52AM-0.05m
8:12PM0.30m
8:25AM-0.01m
8:30PM0.27m
8:55AM0.05m
8:43PM0.24m
cloud
cloud
cloud
cloud
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
heavy rain
light rain
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:18
6:16
6:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:04
6:05
6:05
 mm
2
2
2
5
2
4
4
4
14
1
1
Temp °C
16
17
20
20
18
18
18
19
18
19
20
20
18
18
16
16
15
16
18
18
16
16
Feels °C
17
18
22
22
18
19
20
21
18
20
21
22
20
20
11
13
11
12
13
14
13
13
  • 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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