Siriu Surf Break

Lat Long: 28.00° S 48.63° W

Siriu 48 hour detailed Surf Forecast

Issued: 8 am 14 Sep 2026 (local time)

Forecast update in  hr  min

Today's Siriu sea temperature is
16.9°C
2.0° 

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 (14 Sep):

  • Morning surf: Morning surf (14 Sep, local time) - 4ft (1.2m), 11s period with S swell.
  • Afternoon surf: Afternoon surf (14 Sep, local time) - 4ft (1.2m), 11s period with S swell.
  • Evening surf: Evening surf (14 Sep, local time) - 3.5ft (1.1m), 9s period with S swell.

The current surf forecast for Siriu at 1PM is: 1.5m 11s primary swell from a South direction and 1.2m 11s secondary swell from a South direction, 0.8m 8s secondary swell from a Southeast direction (forecast issued at 08:00am September 14). The wind direction is predicted to be cross-offshore and the swell rating is 3.

Time (-03) & DateWave HeightWave Period
Morning (14 Sep)4ft (1.2m)11s
Afternoon (14 Sep)4ft (1.2m)11s
Evening (14 Sep)3.5ft (1.1m)9s

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


Short Range Forecast

Some drizzle, heaviest during Mon night. Very mild (max 17°C on Tue morning, min 13°C on Mon night). Wind will be generally light.

Monday
14
Tuesday
15
Wednesday
16
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
3
2
2
2
2
2
2
2
0
1
1
2
2
2
4
2
0
0
1
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)
1.1
S
12
1.2
S
11
1.5
S
11
1.2
S
11
1.1
S
9
1.1
S
9
1
S
8
1
S
8
0.9
SSE
8
0.9
SSE
8
0.8
SSE
9
0.8
SSE
10
0.8
SSE
10
0.7
S
10
0.7
S
10
0.9
SSE
12
1.6
S
11
1.4
SSE
8
1.3
S
9
1.3
S
9
1.4
S
9
1.8
SSE
11
Wave Graph
Metric surfscale
Energy kJ
327
338
505
319
202
181
144
140
118
120
113
139
141
96
94
224
564
232
251
251
347
763
Wind (km/h)
10
SW
10
SW
10
SSW
5
SSW
5
SW
5
WSW
5
NNW
5
NW
5
SW
10
SSW
15
SSE
10
SSE
10
S
10
SSW
10
SSW
10
SSW
10
SW
10
SSW
20
SSE
15
S
15
S
10
SSW
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
glassy
glassy
cross-off
cross-off
cross-on
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross-off
High Tide
2:54PM0.65m
3:23AM0.73m
3:13PM0.63m
4:00AM0.66m
3:33PM0.60m
Low Tide
9:36AM0.23m
8:47PM0.18m
9:26AM0.32m
8:54PM0.17m
8:51AM0.38m
cloud
cloud
cloud
cloud
cloud
light rain
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
cloud
part cloud
clear
clear
clear
part cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:13
6:11
6:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:06
6:07
6:07
 mm
1
Temp °C
13
14
15
14
14
13
14
14
13
15
17
16
15
15
14
14
14
16
17
16
15
14
Feels °C
10
11
13
13
13
13
14
14
12
14
15
14
13
13
12
12
13
14
13
12
12
12
  • 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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