Pennington Bay surfForecast / SA – Kangaroo Island / Australia

information circle12 Day Weather and Surf, issued 9 pm Friday 28 Nov 2025 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
16.6° 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 (Dec 02) at 10AM. The primary swell is predicted to be 1.3m and 14s period with a secondary swell of 1.2m and 8s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Pennington Bay in the next 12 days are 2.1m 14s and forecast to arrive on Saturday (Nov 29) at 1PM. 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 3s period and expected on Wednesday (Dec 03) at 7AM.

Wave TypeTime (ACDT) & Date Wave Height & Period
Next good surf (1 star+)10AM (Tue 2nd Dec)4.5ft (1.3m) 14s
Best Surf10AM (Tue 2nd Dec)4.5ft (1.3m) 14s
Most Powerful 1PM (Sat 29th Nov)7ft (2.1m) 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 Light rain (total 5mm), mostly falling on Fri night. Very mild (max 17°C on Sun morning, min 12°C on Fri night). Winds increasing (moderate winds from the SW on Sat morning, strong winds from the SW by Sun night).

Days 3-6 Weather Summary Mostly dry. Warm (max 25°C on Wed afternoon, min 12°C on Mon night). Wind will be generally light.

Saturday
29
Sunday
30
Monday
01
Tuesday
02
Wednesday
03
Thursday
04
Fri
05
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
1
0
0
0
0
0
0
0
0
3
0
1
0
0
1
2
0
1
0
1
Swell
Height Map
Wave Height (m) & direction (?)
1.6
S
2
S
2.1
S
1.9
SSW
1.7
SSW
1.6
SW
2.3
SSW
3
SSW
2.5
S
2
S
1.3
SSW
1.1
SSW
0.9
SSW
0.6
SSW
0.6
SSW
0.9
SSW
1.8
S
1.9
S
1.6
S
1.6
S
1.9
SSW
Period(s) (?)13141413121491111111414131312121615141313
Wave
Graph
(?)Metric surfscale
Energy kJ (?)813158115791288847961904168515499517245072861311212761667152610289021188
Wind
(km/h)
25
WSW
20
SW
20
SW
25
W
30
WSW
35
WSW
35
WSW
40
SW
35
SSW
20
SW
5
WSW
10
SW
20
NNW
20
NNW
10
WNW
10
WNW
15
S
20
SSE
25
ESE
15
S
20
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
onononglassoncross-
off
cross-
off
crosscrosscross-
on
cross-
on
crossonon
High Tide
/ height (m)
9:58AM
1.07
12:16AM
0.84
11:38AM
0.93
1:53AM
0.97
2:26PM
0.85
2:42AM
1.12
3:57PM
0.83
3:22AM
1.26
4:52PM
0.80
3:59AM
1.38
5:32PM
0.76
4:35AM
1.48
6:03PM
0.71
Low Tide
/ height (m)
2:16AM
0.69
5:38PM
0.64
4:49AM
0.78
7:17PM
0.67
8:53AM
0.66
8:07PM
0.68
9:55AM
0.51
8:41PM
0.67
10:43AM
0.38
9:09PM
0.65
11:26AM
0.30
9:34PM
0.61
12:06PM
0.26
Saturday
29
Sunday
30
Monday
01
Tuesday
02
Wednesday
03
Thursday
04
Fri
05
Sunrise-5:56--5:56--5:56--5:56--5:54--5:54--5:54-
Sunset--8:16--8:17--8:19--8:20--8:21--8:22--8:22
thunderstorm
cloud
cloud
clear
part cloud
clear
light rain
part cloud
part cloud
part cloud
clear
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
cloud
clear
clear
Rain (mm)
3-----2--------------
Temp. °C141515131717131515131516162425201818151818
Feels °C (?)9101089957881213122122171614121514
  • 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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