Siriu Surf Break

Lat Long: 28.00° S 48.63° W

Siriu 48 hour detailed Surf Forecast

Issued: 8 pm 08 Sep 2026 (local time)

Forecast update in  hr  min

Today's Siriu sea temperature is
17.9°C
0.9° 

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 Sep):

  • Morning surf: Morning surf (09 Sep, local time) - 3.5ft (1.0m), 10s period with SSE swell.
  • Afternoon surf: Afternoon surf (09 Sep, local time) - 3.5ft (1.0m), 12s period with SSE swell.
  • Evening surf: Evening surf (09 Sep, local time) - 3.5ft (1.0m), 12s period with SSE swell.

The current surf forecast for Siriu at 5AM is: 1.0m 10s primary swell from a South-southeast direction and 1.0m 7s secondary swell from a East direction (forecast issued at 08:00pm September 08). The wind direction is predicted to be glassy and the swell rating is 2.

Time (-03) & DateWave HeightWave Period
Morning (09 Sep)3.5ft (1.0m)10s
Afternoon (09 Sep)3.5ft (1.0m)12s
Evening (09 Sep)3.5ft (1.0m)12s

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


Short Range Forecast

Heavy rain (total 26mm), heaviest during Fri afternoon. Warm (max 23°C on Fri morning, min 15°C on Tue night). Wind will be generally light.

Tue
8
Wednesday
9
Thursday
10
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
2
1
1
2
2
2
2
1
1
1
2
2
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.1
SSE
9
1.1
SSE
9
1.1
SSE
9
1
SSE
9
1
SSE
11
1
SSE
10
1.1
SSE
10
1
SSE
12
1
SSE
12
1
SSE
12
1
S
12
1
S
12
0.9
SSE
12
0.8
S
12
0.7
SSE
15
1
SSE
15
0.9
SSE
14
0.9
SSE
13
Wave Graph
Metric surfscale
Energy kJ
201
197
197
185
226
209
265
288
288
288
284
294
240
184
207
456
346
295
Wind (km/h)
5
ENE
5
NW
5
WNW
5
WNW
5
WNW
0
SSE
5
E
5
SE
5
SSE
5
SW
0
WNW
5
NW
10
NNE
10
NNE
10
NNE
10
NNE
10
N
15
N
Wind State
cross-on
glassy
off
glassy
glassy
glassy
on
cross-on
glassy
glassy
glassy
glassy
cross
cross
cross
cross
cross
cross
High Tide
00:22AM0.62m
2:10PM0.77m
00:43AM0.70m
2:10PM0.72m
Low Tide
7:28PM0.33m
7:16AM-0.05m
7:51PM0.32m
7:52AM-0.05m
8:12PM0.30m
clear
clear
clear
clear
cloud
part cloud
cloud
part cloud
part cloud
cloud
cloud
light rain
light rain
cloud
part cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:18
6:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:02
6:04
6:04
 mm
1
1
Temp °C
17
17
16
16
15
17
19
18
17
17
17
16
17
17
19
21
20
19
Feels °C
17
17
16
16
16
18
19
18
18
18
19
17
17
16
20
22
20
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 

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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