Twelve Mile Beach Surf Break

Lat Long: 33.95° S 120.32° E

Twelve Mile Beach 48 hour detailed Surf Forecast

Issued: 7 am 13 Sep 2026 (local time)

Forecast update in  hr  min

Today's Twelve Mile Beach sea temperature is
16.7°C
0.4° 

Twelve Mile Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Twelve Mile Beach today (13 Sep):

  • Morning surf: Morning surf (13 Sep, local time) - 3.5ft (1.1m), 9s period with SW swell.
  • Afternoon surf: Afternoon surf (13 Sep, local time) - 3.5ft (1.0m), 12s period with SSW swell.
  • Evening surf: Evening surf (13 Sep, local time) - 3.5ft (1.1m), 12s period with SW swell.

The current surf forecast for Twelve Mile Beach at 10AM is: 1.2m 14s primary swell from a Southwest direction and 0.2m 19s secondary swell from a South-southwest direction (forecast issued at 07:00am September 13). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (AWST) & DateWave HeightWave Period
Morning (13 Sep)3.5ft (1.1m)9s
Afternoon (13 Sep)3.5ft (1.0m)12s
Evening (13 Sep)3.5ft (1.1m)12s

Table - waves today at Twelve Mile Beach. (Swell directed towards the surf break)


Short Range Forecast

Mostly dry. Very mild (max 18°C on Sun afternoon, min 11°C on Tue night). Winds increasing (light winds from the WNW on Sun night, fresh winds from the ESE by Tue afternoon).

Sunday
13
Monday
14
Tuesday
15
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
1
1
1
0
0
3
4
3
3
0
0
0
0
0
1
1
2
2
2
1
0
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)
1.3
SSW
10
1.1
SW
9
1.2
SW
14
1
SSW
12
0.9
SSW
12
1.1
SW
12
1.4
SSW
17
1.6
SSW
15
1.7
SSW
15
1.6
SSW
13
1.8
SSW
16
2
SSW
15
2
SSW
15
2
SSW
14
2.1
SSW
14
1.7
SSW
14
1.7
SSW
14
1.7
SSW
14
1.7
SSW
15
1.6
SSW
15
1.7
SSW
14
1.3
SSW
14
1.4
SSW
14
Wave Graph
Metric surfscale
Energy kJ
278
182
589
289
243
386
1094
1209
1309
824
1507
1689
1666
1600
1728
1240
1240
1130
1145
1091
1130
668
767
Wind (km/h)
20
WNW
20
WNW
20
WSW
10
SSW
15
SSE
10
WNW
10
WNW
10
W
10
SSW
20
SSE
20
SSE
25
SE
25
SE
25
ESE
30
E
30
E
30
ENE
30
ENE
30
ENE
30
E
40
ESE
35
E
30
ENE
Wind State
cross-off
cross-off
cross
on
on
cross-off
cross-off
cross
on
on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross-off
cross-off
cross-off
cross
cross
cross
cross-off
High Tide
11:24AM0.55m
11:36PM0.71m
11:23AM0.47m
11:50PM0.75m
11:13AM0.42m
Low Tide
5:43AM0.17m
5:12PM0.18m
6:12AM0.20m
5:02PM0.16m
6:39AM0.25m
4:55PM0.13m
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:01
6:00
5:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:47
5:47
5:49
 mm
Temp °C
11
12
16
18
17
17
16
16
16
15
14
14
14
14
13
13
12
12
14
16
16
16
14
Feels °C
7
8
12
15
14
15
14
14
14
11
10
9
9
9
7
7
6
6
8
10
9
10
8
  • 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

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