Tunkalilla surfForecast / SA – Adelaide / Australia

information circle16 Day Weather and Surf, issued 8 am Saturday 18 Apr 2026 ACST
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
18.8° 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 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Apr 18) at 12PM. The primary swell is predicted to be 1.3m and 11s period with a secondary swell of 0.6m and 4s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Tunkalilla in the next 16 days are 1.7m 14s and forecast to arrive on Thursday (Apr 23) at 6AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 4s period and expected on Saturday (Apr 18) at 3PM.

Wave TypeTime (ACST) & Date Wave Height & Period
Next good surf (1 star+)12PM (Sat 18th Apr)4.5ft (1.3m) 11s
Best Surf 6AM (Tue 21st Apr)3.5ft (1.0m) 13s
Most Powerful 6AM (Thu 23rd Apr)5.5ft (1.7m) 14s

Table - best surf conditions forecast for Tunkalilla over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 21°C on Sat night, min 13°C on Sat morning). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Warm (max 26°C on Tue night, min 14°C on Wed night). Wind will be generally light.

Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
1
2
1
1
0
0
1
1
2
1
3
3
1
0
1
3
2
1
1
2
2
Swell
Height Map
Wave Height (m) & direction (?)
1.4
S
1.3
S
1
S
0.9
SSE
0.8
SSE
0.9
SSE
1.3
SSE
1
SSE
1
S
0.9
SSW
0.9
SSW
1
S
1
S
0.9
S
1.6
S
1.6
S
1.5
S
1.2
S
0.9
S
0.8
S
0.9
SSW
Period(s) (?)1311109910121214131317161415141312121213
Wave
Graph
(?)Metric surfscale
Energy kJ (?)63041618414111514045926540529029059349433811231063782432220193299
Wind
(km/h)
20
ENE
5
NNE
15
NNE
20
NNW
20
SW
15
S
15
SE
15
SE
15
E
15
NE
10
N
15
NNE
15
WSW
20
SSW
15
SSE
5
SE
5
ESE
10
ENE
20
N
20
NNW
15
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
off
cross-
off
offcross-
on
oncross-
on
cross-
on
crosscross-
off
offcross-
off
crosscross-
on
oncross-
on
cross-
on
crosscross-
off
offoff
High Tide
/ height (m)
4:47PM
1.73
5:25AM
1.06
5:10PM
1.82
5:45AM
0.96
5:34PM
1.86
6:03AM
0.87
6:00PM
1.82
6:17AM
0.79
6:27PM
1.73
6:30AM
0.74
6:54PM
1.57
6:41AM
0.70
7:21PM
1.38
Low Tide
/ height (m)
10:27AM
0.25
11:35PM
-0.08
10:41AM
0.24
12:05AM
-0.06
10:55AM
0.22
12:35AM
0.01
11:10AM
0.20
1:04AM
0.13
11:26AM
0.20
1:34AM
0.28
11:42AM
0.24
2:08AM
0.42
11:54AM
0.33
2:54AM
0.55
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Sunrise6:41--6:43--6:43--6:45--6:45--6:46--6:47--
Sunset-5:49--5:47--5:45--5:45--5:44--5:43--5:40-
clear
clear
part cloud
clear
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
clear
part cloud
cloud
Rain (mm)
---------------------
Temp. °C171921211915161618232526191715171720252727
Feels °C (?)131718181713151416212422171412171717202222
  • 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 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 16 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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