Pennington Bay surfForecast / SA – Kangaroo Island / Australia

information circle12 Day Weather and Surf, issued 2 am Sunday 13 Jul 2025 ACST
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
15.4° 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 Monday (Jul 14) at 12AM. The primary swell is predicted to be 3.0m and 14s period. The wind is predicted to be cross-onshore as the swell arrives.

The most powerful waves expected at Pennington Bay in the next 12 days are 3.5m 17s and forecast to arrive on Thursday (Jul 17) at 6AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 5s period and expected on Wednesday (Jul 16) at 9PM.

Wave TypeTime (ACST) & Date Wave Height & Period
Next good surf (1 star+)12AM (Mon 14th Jul)10ft (3.0m) 14s
Best Surf 6AM (Fri 18th Jul)10ft (3.0m) 18s
Most Powerful 6AM (Thu 17th Jul)11ft (3.5m) 17s

Table - best surf conditions forecast for Pennington Bay over the next 12 days.

Updates in  hr  min  s Forecast update imminent
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.5
S
2.4
SSW
3
SSW
2.2
SSW
2
SSW
1.6
SSW
1.6
S
1.5
S
1.4
S
1.4
SSW
2.1
S
2.5
S
2.5
S
2
S
3
S
3
S
3
S
3
SSW
2.5
S
3
SSW
2.5
SSW
2.2
S
1.9
S
1.5
S
1.1
S
1.2
SSW
2.4
SSW
2.3
SSW
2.3
SSW
2.1
S
1.9
S
1.7
S
1.6
SSW
2.2
SSW
2.4
S
3
S
Period(s) (?)151514141413131312121416161917181716171616161515141416151413131212111218
Wave
Graph
(?)Metric surfscale
Energy (?)100524793110186414629298897957731018191037195898581358535989474843774173398529422386161195749450430112264209816091239881689140224449062
Wind
(km/h)
35
WNW
40
WSW
15
WSW
15
WNW
20
NW
10
WNW
15
SSW
25
SW
15
WNW
25
WNW
30
NW
35
NW
15
SW
20
SW
15
WNW
20
NW
25
NW
25
NW
30
NW
25
NW
15
NW
25
N
25
NNE
40
NNE
50
N
45
N
35
NW
45
NW
30
W
15
WSW
15
WSW
20
W
10
WNW
10
NW
20
NNW
20
NNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
on
cross-
on
crosscross-
off
crossoncross-
on
crosscrosscross-
off
cross-
off
cross-
on
oncrosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offoffoffoffcross-
off
cross-
off
cross-
off
cross-
on
cross-
on
cross-
on
cross-
on
crosscross-
off
cross-
off
cross-
off
High Tide
/ height (m)
5:32PM
1.54
6:31AM
1.00
6:09PM
1.50
6:56AM
1.08
6:45PM
1.41
7:24AM
1.15
7:20PM
1.28
7:54AM
1.21
7:51PM
1.11
8:28AM
1.26
8:16PM
0.92
9:09AM
1.27
8:02PM
0.74
10:00AM
1.27
11:15AM
1.26
1:21PM
1.28
2:47PM
1.33
3:40PM
1.38
Low Tide
/ height (m)
10:49AM
0.59
12:28AM
0.32
11:32AM
0.56
12:52AM
0.38
12:16PM
0.55
1:14AM
0.45
1:01PM
0.57
1:32AM
0.52
1:51PM
0.61
1:43AM
0.56
2:50PM
0.67
1:44AM
0.58
5:09PM
0.73
1:22AM
0.56
12:26AM
0.50
11:44PM
0.41
11:31PM
0.34
11:32PM
0.31
11:36PM
0.32
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
Sunrise7:26--7:26--7:26--7:26--7:26--7:24--7:24--7:24--7:22--7:22--7:22--7:22--
Sunset-5:21--5:22--5:22--5:22--5:23--5:24--5:24--5:25--5:27--5:27--5:28--5:29-
part cloudclearcloudcloudcloudrain showerspart cloudpart cloudpart cloudrain showerslight rainrain showerspart cloudclearclearpart cloudpart cloudclearcloudpart cloudclearclearclearpart cloudpart cloudpart cloudpart cloudpart cloudclearpart cloudpart cloudpart cloudclearclearclearclear
Rain (mm)
-----2---123------------------------
Temp. °C161413111212141312141413141413151413141413131414151718161512131412141412
Feels °C (?)9577778779861091010998997975789889881098

Short Range Forecast: Light rain (total 2mm), mostly falling on Mon night. Very mild (max 16°C on Sun morning, min 10°C on Mon night). Winds decreasing (fresh winds from the WSW on Sun afternoon, light winds from the W by Sun night).

Days 3-6 Weather Summary Light rain (total 6mm), mostly falling on Wed morning. Very mild (max 15°C on Fri morning, min 12°C on Wed night). Winds decreasing (fresh winds from the NW on Wed afternoon, light winds from the WSW by Thu afternoon).

Days 6-9 Weather Summary Mostly dry. Very mild (max 18°C on Mon night, min 12°C on Sun morning). Winds increasing (light winds from the NW on Sat night, near gales from the N by Mon morning).

Long Range Forecast: Mostly dry. Very mild (max 16°C on Tue morning, min 10°C on Wed night). Winds decreasing (strong winds from the NW on Tue morning, light winds from the WNW by Wed night).

  • 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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