Siriu Surf Break

Lat Long: 28.00° S 48.63° W

Siriu 48 hour detailed Surf Forecast

Issued: 8 am 05 Sep 2026 (local time)

Forecast update in  hr  min

Today's Siriu sea temperature is
18.7°C
0.2° 

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 (05 Sep):

  • Morning surf: Morning surf (05 Sep, local time) - 3ft (0.9m), 10s period with S swell.
  • Afternoon surf: Afternoon surf (05 Sep, local time) - 4.5ft (1.3m), 9s period with S swell.
  • Evening surf: Evening surf (05 Sep, local time) - 4.5ft (1.4m), 9s period with S swell.

The current surf forecast for Siriu at 2PM is: 1.3m 9s primary swell from a South direction and 1.0m 9s secondary swell from a South direction, 0.8m 8s secondary swell from a East-northeast direction (forecast issued at 08:00am September 05). The wind direction is predicted to be cross-offshore and the swell rating is 3.

Time (-03) & DateWave HeightWave Period
Morning (05 Sep)3ft (0.9m)10s
Afternoon (05 Sep)4.5ft (1.3m)9s
Evening (05 Sep)4.5ft (1.4m)9s

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


Short Range Forecast

Light rain (total 8mm), mostly falling on Sat afternoon. Very mild (max 14°C on Sat morning, min 8°C on Sun night). Winds decreasing (fresh winds from the S on Sun afternoon, light winds from the E by Mon afternoon).

Saturday
5
Sunday
6
Monday
7
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
3
3
2
3
1
1
2
1
2
3
3
4
4
2
1
1
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)
0.9
ENE
8
0.9
S
10
1
S
9
1.3
S
9
1.4
S
9
1.4
S
9
1.1
S
8
1.4
S
8
1.2
S
8
1.9
S
8
2.3
S
9
2.4
S
10
2.5
S
10
2.5
S
10
2.5
S
9
2.4
S
9
2.1
S
9
1.5
S
10
1.4
SSE
10
1.4
SSE
10
1.4
SSE
10
1.4
SSE
10
Wave Graph
Metric surfscale
Energy kJ
125
148
166
270
306
292
169
277
190
454
854
1057
1218
1170
1252
942
766
423
363
370
348
348
Wind (km/h)
5
SW
5
SW
10
SW
10
S
10
SSW
15
SW
10
SW
15
SW
20
SW
20
SW
25
SSW
30
S
25
SSW
20
SW
15
SW
15
WSW
15
WSW
10
SSW
10
SSE
5
E
5
NNE
10
NNW
Wind State
cross-off
glassy
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-on
on
cross-on
cross-off
High Tide
12:25PM0.73m
00:19AM0.41m
1:01PM0.79m
00:24AM0.46m
1:32PM0.82m
Low Tide
3:36AM0.25m
9:01PM0.34m
4:52AM0.16m
6:52PM0.34m
5:49AM0.06m
7:07PM0.33m
light rain
light rain
cloud
light rain
light rain
cloud
cloud
clear
clear
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:24
6:22
6:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:01
6:02
6:02
 mm
1
1
2
5
Temp °C
13
13
14
14
14
14
14
12
12
12
13
13
12
11
10
9
8
11
13
14
13
12
Feels °C
12
12
12
12
12
11
12
8
7
7
6
5
5
5
5
4
4
7
10
12
11
9
  • 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 

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