Tunkalilla surfForecast / SA – Adelaide / Australia

information circle12 Day Weather and Surf, issued 9 pm Thursday 18 Dec 2025 ACDT
Forecast update in hr  min  s Forecast update imminent
Tunkalilla surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Tunkalilla sea temperature is
18.4° C
(Which is 1.3°C warmer than normal for this time of year)


Best Forecast Surf Conditions for Tunkalilla this week:

The surf forecast for Tunkalilla over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Dec 21) at 4AM. The primary swell is predicted to be 1.2m and 8s period with a secondary swell of 0.2m and 15s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Tunkalilla in the next 12 days are 2.2m 16s and forecast to arrive on Tuesday (Dec 23) at 7PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.9m 13s period and expected on Tuesday (Dec 23) at 1PM.

Wave TypeTime (ACDT) & Date Wave Height & Period
Next good surf (1 star+) 4AM (Sun 21st Dec)4ft (1.2m) 8s
Best Surf10PM (Tue 23rd Dec)7ft (2.2m) 16s
Most Powerful 7PM (Tue 23rd Dec)7ft (2.2m) 16s

Table - best surf conditions forecast for Tunkalilla over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Light rain (total 2mm), mostly falling on Sat night. Warm (max 24°C on Thu night, min 14°C on Fri night). Winds increasing (light winds from the S on Thu night, fresh winds from the W by Sun morning).

Days 3-6 Weather Summary Mostly dry. Very mild (max 18°C on Mon afternoon, min 13°C on Sun night). Wind will be generally light.

Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thu
25
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
1
0
1
0
0
!
!
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.7
S
0.7
S
0.7
S
1.1
S
1.3
S
1.2
S
0.8
SSE
1.3
SSE
1.3
S
1.5
S
0.7
S
0.8
S
0.7
S
1.2
S
2.1
S
2.2
S
2.1
S
2
S
2.1
S
2.1
S
2
S
Period(s) (?)131313109888871213131317161514141313
Wave
Graph
(?)Metric surfscale
Energy kJ (?)153167160220262205852022172201482151585062580241920161666162314751278
Wind
(km/h)
5
SSW
15
SSW
25
SSW
20
SSE
15
SSE
15
SSE
20
E
35
W
30
SSW
15
SSW
15
WSW
20
SW
20
W
25
SW
25
SSW
15
SSW
15
SW
25
SSW
25
SSE
25
SSE
30
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
onononcrosscross-
off
cross-
on
cross-
on
crosscrosscross-
off
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
ononon
High Tide
/ height (m)
4:38AM
1.54
5:50PM
0.87
5:08AM
1.64
6:10PM
0.91
5:38AM
1.71
6:32PM
0.95
6:07AM
1.76
6:56PM
0.97
6:35AM
1.77
7:23PM
0.99
7:04AM
1.74
7:52PM
1.01
7:33AM
1.65
Low Tide
/ height (m)
11:53AM
0.08
10:34PM
0.46
12:17PM
0.01
11:05PM
0.39
12:42PM
-0.03
11:34PM
0.33
1:07PM
-0.06
12:04AM
0.29
1:33PM
-0.06
12:34AM
0.28
2:00PM
-0.03
1:06AM
0.30
2:27PM
0.03
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thu
25
Sunrise-5:56--5:56--5:56--5:56--5:58--5:58--5:58-
Sunset--8:30--8:30--8:30--8:31--8:31--8:31--8:32
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
rain showers
rain showers
part cloud
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
clear
part cloud
clear
Rain (mm)
------11-------------
Temp. °C242018151818181816141718151716151717151514
Feels °C (?)2319141115151311109141512121112131310108
  • Map Icons:
  • Break
  • 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 Tunkalilla Surf forecast

The above surf forecast table for Tunkalilla provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Tunkalilla can be found by selecting the local surf guide option on the grey menu. Our Tunkalilla 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 (Tunkalilla) 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 Tunkalilla 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.

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