Pennington Bay surfForecast / SA – Kangaroo Island / Australia

information circle12 Day Weather and Surf, issued 3 am Saturday 03 Jan 2026 ACDT
Forecast update in hr  min  s Forecast update imminent
Pennington Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Pennington Bay sea temperature is
18.3° C
(Which is slightly warmer than usual)


Best Forecast Surf Conditions for Pennington Bay this week:

The surf forecast for Pennington Bay over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Jan 06) at 7AM. The primary swell is predicted to be 0.7m and 12s period with a secondary swell of 0.1m and 5s. Another secondary swell of 0.4m and 4s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Pennington Bay in the next 12 days are 1.7m 14s and forecast to arrive on Saturday (Jan 03) at 10PM. 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 Tuesday (Jan 06) at 10AM.

Wave TypeTime (ACDT) & Date Wave Height & Period
Next good surf (1 star+) 7AM (Tue 6th Jan)2.5ft (0.7m) 12s
Best Surf 7AM (Tue 6th Jan)2.5ft (0.7m) 12s
Most Powerful10PM (Sat 3rd Jan)5.5ft (1.7m) 14s

Table - best surf conditions forecast for Pennington Bay 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 14°C on Sat night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Warm (max 29°C on Tue morning, min 16°C on Wed night). Winds increasing (calm on Tue afternoon, fresh winds from the SSE by Thu afternoon).

Saturday
03
Sunday
04
Monday
05
Tuesday
06
Wednesday
07
Thursday
08
Friday
09
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
1
1
1
0
0
1
1
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.4
S
1.2
S
1.1
S
0.9
SSW
0.9
SSW
0.8
SSW
0.7
SSW
0.7
SSW
0.7
SSW
0.7
SSW
0.7
SSW
0.9
SSW
0.9
SSW
0.6
S
1.4
SSW
1.6
S
1.5
S
1.4
SSW
1.2
SSW
1.1
S
1.7
SSE
Period(s) (?)15141413131212121112121212171515141413137
Wave
Graph
(?)Metric surfscale
Energy kJ (?)9306024872862821981471501301421422562242079411154965822539421260
Wind
(km/h)
20
S
25
S
25
SSE
20
SSE
25
S
20
SSE
15
ESE
20
SSE
15
ESE
15
N
5
W
5
SE
10
SE
25
S
20
SE
20
SE
20
SE
15
SSE
15
ESE
25
S
15
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscross-
on
crossoffglassglasscross-
on
cross-
on
crosscrosscross-
on
cross-
on
crossonon
High Tide
/ height (m)
7:33PM
0.65
5:15AM
1.39
7:13PM
0.67
5:52AM
1.40
7:12PM
0.74
6:25AM
1.38
7:22PM
0.83
6:55AM
1.33
7:40PM
0.93
7:23AM
1.25
8:05PM
1.03
7:50AM
1.15
8:35PM
1.10
Low Tide
/ height (m)
12:36PM
0.17
9:53PM
0.63
12:56PM
0.18
10:48PM
0.56
1:12PM
0.22
11:33PM
0.50
1:25PM
0.26
12:15AM
0.47
1:38PM
0.30
12:57AM
0.45
1:51PM
0.31
1:39AM
0.46
2:07PM
0.31
2:23AM
0.49
Saturday
03
Sunday
04
Monday
05
Tuesday
06
Wednesday
07
Thursday
08
Friday
09
Sunrise6:07--6:07--6:07--6:09--6:09--6:11--6:11--
Sunset-8:37--8:37--8:38--8:38--8:38--8:38--8:37-
clear
part cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
Rain (mm)
---------------------
Temp. °C171715171715191918292925282317222018222117
Feels °C (?)141311131311161516252723261914191716191811
  • 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 Pennington Bay Surf forecast

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

Are you planning a holiday in Kangaroo Island? If you are looking for accommodation near Pennington Bay, camping, hotels and holiday cottages in Kangaroo Island, consider staying in Kingscote which is 25 km (16 miles) away. Alternatively, find information about places to stay and car hire in Rapid Bay which is 54 km (34 miles) away

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