Pennington Bay surfForecast / SA – Kangaroo Island / Australia

information circle12 Day Weather and Surf, issued 9 pm Monday 24 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
15.9° C
(Which is normal for this time of year)


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 Friday (Nov 28) at 1AM. The primary swell is predicted to be 1.2m and 9s period with a secondary swell of 0.3m and 15s. 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 2.1m 14s and forecast to arrive on Saturday (Nov 29) at 1PM. Winds are predicted to be 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 (Nov 26) at 1AM.

Wave TypeTime (ACDT) & Date Wave Height & Period
Next good surf (1 star+) 1AM (Fri 28th Nov)4ft (1.2m) 9s
Best Surf 1AM (Fri 28th Nov)4ft (1.2m) 9s
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 Some drizzle, heaviest during Tue night. Warm (max 20°C on Tue morning, min 13°C on Mon night). Winds decreasing (fresh winds from the W on Tue night, light winds from the SSW by Thu morning).

Days 3-6 Weather Summary Moderate rain (total 16mm), heaviest on Fri afternoon. Very mild (max 17°C on Sun morning, min 11°C on Sat night). Winds increasing (light winds from the SSW on Sat morning, strong winds from the W by Sun afternoon).

Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
Mon
01
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
2
1
1
1
2
1
2
2
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.5
S
0.7
SSE
0.6
SSE
0.4
SSW
1.4
SW
2.2
WSW
1.5
SW
0.8
SSW
1
SSW
1.2
S
1.4
S
1.5
S
1.8
S
2
S
2.1
S
1.8
S
1.6
SW
1.1
S
1.9
SSW
2.2
S
2
S
Period(s) (?)12881413121211791213141414131412101111
Wave
Graph
(?)Metric surfscale
Energy kJ (?)726144656471332657148108251535737119616531748110710633276381252951
Wind
(km/h)
15
W
20
NW
30
WNW
30
WNW
25
SW
30
W
25
WSW
20
SW
15
SSW
15
NW
20
NNW
20
WNW
20
WSW
15
SW
20
S
15
WSW
25
WNW
40
W
35
WSW
35
SSW
30
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
off
crosscross-
off
cross-
on
cross-
on
cross-
on
ononcross-
off
cross-
off
crosscross-
on
ononcross-
on
crosscrosscross-
on
onon
High Tide
/ height (m)
6:59AM
1.51
7:41PM
0.74
7:32AM
1.45
8:19PM
0.73
8:10AM
1.35
9:08PM
0.74
8:56AM
1.22
10:20PM
0.77
9:58AM
1.07
12:16AM
0.84
11:38AM
0.93
1:53AM
0.97
2:26PM
0.85
Low Tide
/ height (m)
11:53PM
0.43
2:09PM
0.35
12:18AM
0.47
2:46PM
0.42
12:47AM
0.52
3:28PM
0.49
1:22AM
0.60
4:20PM
0.57
2:16AM
0.69
5:38PM
0.64
4:49AM
0.78
7:17PM
0.67
8:53AM
0.66
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
Mon
01
Sunrise-5:58--5:56--5:56--5:56--5:56--5:56--5:56-
Sunset--8:13--8:14--8:15--8:15--8:16--8:17--8:19
clear
clear
clear
rain showers
clear
part cloud
part cloud
part cloud
part cloud
part cloud
mod rain
rain showers
clear
part cloud
cloud
clear
cloud
rain showers
clear
part cloud
clear
Rain (mm)
---1------69-----1---
Temp. °C152020151717141616141415131615131715141515
Feels °C (?)12161411121191112111112914119128688
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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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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