Twelve Mile Beach surfForecast / WA – Far South / Australia

information circle12 Day Weather and Surf, issued 1 pm Sunday 21 Dec 2025 AWST
Forecast update in hr  min  s Forecast update imminent
Twelve Mile Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Twelve Mile Beach sea temperature is
20.1° C
(Which is 1.8°C warmer than normal for this time of year)


Best Forecast Surf Conditions for Twelve Mile Beach this week:

The surf forecast for Twelve Mile Beach over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Dec 22) at 11PM. The primary swell is predicted to be 3.0m and 16s period with a secondary swell of 0.4m and 8s. The wind is predicted to be cross-onshore as the swell arrives.

The most powerful waves expected at Twelve Mile Beach in the next 12 days are 3.0m 17s and forecast to arrive on Monday (Dec 22) at 8PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 6s period and expected on Friday (Dec 26) at 11AM.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+)11PM (Mon 22nd Dec)10ft (3.0m) 16s
Best Surf11PM (Mon 22nd Dec)10ft (3.0m) 16s
Most Powerful 8PM (Mon 22nd Dec)10ft (3.0m) 17s

Table - best surf conditions forecast for Twelve Mile Beach over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Very mild (max 19°C on Mon morning, min 13°C on Tue night). Winds increasing (light winds from the WSW on Mon morning, fresh winds from the ESE by Wed morning).

Days 3-6 Weather Summary Mostly dry. Warm (max 35°C on Fri morning, min 14°C on Wed night). Winds increasing (light winds from the NE on Fri afternoon, strong winds from the SW by Sat morning).

Sun
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
1
2
2
0
!
0
0
1
0
0
1
0
0
2
2
0
0
0
0
0
1
Swell
Height Map
Wave Height (m) & direction (?)
1.3
SSW
1
SSW
1.8
SSW
2.5
SSW
3
SSW
2.2
SSW
1.9
SSW
1.6
SSW
1.4
SSW
1.2
SSW
1.2
SSW
1.1
SSW
2
ESE
1
SSW
0.9
SSW
0.8
SSW
0.8
SSW
1.3
SW
3
SSW
2.5
SSW
2.2
SSW
Period(s) (?)13121417161514131212121261716161410111312
Wave
Graph
(?)Metric surfscale
Energy kJ (?)53632511964191370521111475878575387374344283563397314264355179821871402
Wind
(km/h)
20
S
10
SSW
15
SSW
25
SSE
15
ESE
20
SE
30
SE
20
E
30
ESE
35
ESE
30
ENE
25
ESE
40
E
20
NE
20
N
25
NE
30
WSW
40
SW
40
SW
25
S
20
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on
oncross-
on
crosscross-
on
cross-
on
crosscrosscrosscross-
off
crosscrosscross-
off
offcross-
off
crosscross-
on
cross-
on
onon
High Tide
/ height (m)
11:17PM
0.91
12:14PM
0.25
11:45PM
0.89
12:38PM
0.26
12:13AM
0.85
1:15PM
0.28
12:42AM
0.79
2:12PM
0.31
1:10AM
0.71
1:33AM
0.59
7:00PM
0.46
1:13AM
0.46
Low Tide
/ height (m)
3:12PM
0.21
7:23AM
0.10
3:43PM
0.20
7:49AM
0.11
4:13PM
0.21
8:17AM
0.13
4:43PM
0.24
8:47AM
0.15
5:10PM
0.29
9:18AM
0.18
9:48AM
0.22
9:50PM
0.45
10:15AM
0.26
Sun
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunrise--4:43--4:43--4:45--4:45--4:46--4:47--4:47
Sunset7:07--7:08--7:08--7:09--7:09--7:10--7:10--
clear
part cloud
part cloud
clear
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
part cloud
clear
clear
clear
part cloud
Rain (mm)
---------------------
Temp. °C161619191717171518191724222335352219191616
Feels °C (?)12151716131313101313121916173030211311912
  • Map Icons:
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Twelve Mile Beach Surf forecast

The above surf forecast table for Twelve Mile Beach provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Twelve Mile Beach can be found by selecting the local surf guide option on the grey menu. Our Twelve Mile Beach surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Twelve Mile Beach) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Twelve Mile Beach may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Twelve Mile Beach is 145 km (90 miles) from Esperance. If you plan a holiday in Far South of Western Australia, look for hotels and other accommodation in Esperance. Esperance has rooms for a wide range of budgets as well as car hire and transport links.

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