Siriu Surf Break

Lat Long: 28.00° S 48.63° W

Siriu 48 hour detailed Surf Forecast

Issued: 2 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) - 3.5ft (1.0m), 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 6AM is: 0.9m 8s primary swell from a East-northeast direction and 0.8m 8s secondary swell from a South direction (forecast issued at 02:00am September 05). The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (-03) & DateWave HeightWave Period
Morning (05 Sep)3ft (0.9m)10s
Afternoon (05 Sep)3.5ft (1.0m)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 3mm), mostly falling on Sat morning. Very mild (max 15°C on Sat afternoon, min 9°C on Sun night). Winds decreasing (fresh winds from the SSW on Sun afternoon, light winds from the WNW by Mon night).

Saturday
5
Sunday
6
Monday
7
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
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
3
3
3
3
1
1
2
1
2
3
3
4
4
4
0
1
1
2
Swell
Height Map
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
ENE
8
0.9
ENE
8
0.9
S
10
1
S
9
1
S
9
1.4
S
9
1.4
S
9
1.5
S
8
1.5
S
8
1.2
S
8
1.7
S
8
2.3
S
9
2.3
S
9
2.5
S
10
2.4
S
10
2.5
S
9
2.2
S
9
1.9
S
10
1.9
S
10
1.6
SSE
9
1.5
SSE
9
1.6
SSE
9
1.7
SE
10
Wave Graph
Metric surfscale
Energy kJ
96
127
125
148
171
160
306
297
320
309
190
355
836
932
1184
1079
1112
783
669
654
400
359
398
535
Wind (km/h)
10
SW
10
SSW
10
SSW
5
SSW
10
SW
15
SSW
15
SSW
15
SW
10
SW
15
SW
20
SW
15
SW
20
SSW
30
SSW
25
SSW
20
SW
15
SW
15
WSW
10
WSW
10
SW
10
SSE
5
E
10
NE
10
N
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-on
on
cross-on
cross
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
light rain
light rain
light rain
light rain
cloud
clear
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
2
2
1
1
1
1
Temp °C
14
14
13
13
14
14
15
14
14
12
11
12
14
14
12
11
10
9
9
12
14
14
14
13
Feels °C
13
13
12
12
13
11
12
11
11
8
7
8
7
6
5
5
5
4
5
8
11
12
12
11
  • 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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