Surf Break

Lat Long: 28.00° S 48.63° W

Siriu 48 hour detailed Surf Forecast

Issued: 2 pm 25 Oct 2026 (local time)

Forecast update in  hr  min

Today's Siriu sea temperature is
17.9°C
3.2° 

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 (25 Oct):

  • Afternoon surf: Afternoon surf (25 Oct, local time) - 4.5ft (1.3m), 7s period with S swell.
  • Evening surf: Evening surf (25 Oct, local time) - 5ft (1.5m), 7s period with S swell.

The current surf forecast for Siriu at 8PM is: 1.5m 7s primary swell from a South direction and 0.5m 11s secondary swell from a South direction, 0.3m 7s secondary swell from a East-northeast direction (forecast issued at 02:00pm October 25). The wind direction is predicted to be cross-offshore.

Time (-03) & DateWave HeightWave Period
Morning (25 Oct)--
Afternoon (25 Oct)4.5ft (1.3m)7s
Evening (25 Oct)5ft (1.5m)7s

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


Short Range Forecast

Mostly dry. Warm (max 22°C on Wed morning, min 15°C on Sun night). Winds decreasing (fresh winds from the S on Mon morning, calm by Tue morning).

Sun
25
Monday
26
Tuesday
27
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
1
1
1
1
1
3
3
0
0
1
2
2
2
2
2
1
0
0
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)
1.4
S
7
1.3
S
7
1.5
S
7
1.5
S
7
1.3
S
7
1.5
S
10
2.2
S
9
2.2
S
9
1.8
S
8
1.7
SSE
8
1.8
S
8
1.5
SSE
8
1.1
S
8
1.3
SSE
8
1.3
SSE
9
0.9
SE
9
1
S
9
1
S
9
0.9
SSE
9
0.9
ESE
8
Wave Graph
Metric surfscale
Energy kJ
184
154
211
223
168
407
794
741
461
412
461
313
169
232
295
144
158
158
126
93
Wind (km/h)
20
SW
25
SSW
25
SSW
20
SW
20
SW
20
SW
15
SW
20
SSW
25
S
25
S
15
S
10
SSW
10
SW
10
WSW
5
WSW
5
SSE
10
E
15
NE
15
NE
15
NNE
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross-off
cross-off
cross-off
off
glassy
on
cross-on
cross-on
cross
High Tide
1:28PM0.69m
1:39AM0.82m
1:46PM0.64m
2:17AM0.81m
2:03PM0.59m
Low Tide
7:53PM0.13m
8:37AM0.13m
8:24PM0.12m
9:28AM0.23m
8:55PM0.11m
cloud
cloud
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
—
—
5:28
—
—
—
—
—
—
—
5:26
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
6:28
—
—
—
—
—
—
—
6:29
—
—
—
—
—
—
—
6:30
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 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Temp °C
18
19
18
17
15
16
15
17
19
18
17
16
15
15
15
17
18
19
18
17
Feels °C
15
15
14
13
11
12
12
12
13
13
14
14
13
14
14
16
17
16
15
15
  • 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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