Pennington Bay surfForecast / SA – Kangaroo Island / Australia

information circle12 Day Weather and Surf, issued 9 am Monday 05 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
18.5° 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 0.4m and 4s. 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 3.0m 11s and forecast to arrive on Saturday (Jan 10) 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 0.7m 4s period and expected on Wednesday (Jan 07) 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 1AM (Wed 7th Jan)3ft (0.9m) 13s
Most Powerful10PM (Sat 10th Jan)10ft (3.0m) 11s

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. Warm (max 32°C on Wed morning, min 16°C on Mon night). Wind will be generally light.

Days 3-6 Weather Summary Some drizzle, heaviest during Sat night. Warm (max 23°C on Fri morning, min 14°C on Fri night). Mainly fresh winds.

Monday
05
Tuesday
06
Wednesday
07
Thursday
08
Friday
09
Saturday
10
Sunday
11
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
1
0
2
2
0
2
0
0
0
0
0
0
0
0
0
2
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.7
SSW
0.7
SSW
0.7
S
0.7
SSW
0.7
SSW
0.9
SSW
1
S
0.8
SSW
1.5
S
1.4
SSW
2
S
2
SSE
1.1
SSW
1
S
1
S
1.7
SSW
2.2
S
2
S
2.3
SSW
1.7
S
2.1
SSE
Period(s) (?)1212111212131215151515141313121212111197
Wave
Graph
(?)Metric surfscale
Energy kJ (?)14715012314214226929430810748801689152644434529981114159341207516374
Wind
(km/h)
15
ESE
20
SE
15
ESE
10
NE
5
ESE
10
E
25
N
15
SSE
10
ESE
35
SE
30
SSE
25
SSE
30
SSW
30
SSW
25
SW
30
SSW
30
S
25
SSE
15
S
25
SSE
25
SE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
on
crosscross-
off
crosscross-
off
offcross-
on
crosscross-
on
cross-
on
cross-
on
onononononcross-
on
oncross-
on
cross-
on
High Tide
/ height (m)
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
8:15AM
1.03
9:11PM
1.15
8:39AM
0.90
9:51PM
1.15
Low Tide
/ height (m)
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
2:25PM
0.31
3:11AM
0.54
2:43PM
0.31
4:12AM
0.60
Monday
05
Tuesday
06
Wednesday
07
Thursday
08
Friday
09
Saturday
10
Sunday
11
Sunrise6:07--6:09--6:09--6:11--6:11--6:13--6:13--
Sunset-8:38--8:38--8:38--8:38--8:37--8:37--8:37-
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
light rain
rain showers
part cloud
clear
Rain (mm)
-----------------12--
Temp. °C192017252624322821181917232016161515161614
Feels °C (?)1616152225222925191314142115111091212119
  • 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 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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