Petrel Cove surfForecast / SA – East Coast / Australia

information circle12 Day Weather and Surf, issued 3 am Thursday 18 Dec 2025 ACDT
Forecast update in hr  min  s Forecast update imminent
Petrel Cove surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Petrel Cove sea temperature is
18.0° C
(Which is slightly warmer than usual)
Nearby Cam: 2km away, Encounter Bay Webcam


Best Forecast Surf Conditions for Petrel Cove this week:

The surf forecast for Petrel Cove over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Dec 18) at 10AM. The primary swell is predicted to be 0.6m and 13s period with a secondary swell of 0.5m and 9s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Petrel Cove in the next 12 days are 2.5m 15s and forecast to arrive on Wednesday (Dec 24) 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 Sunday (Dec 21) at 10AM.

Wave TypeTime (ACDT) & Date Wave Height & Period
Next good surf (1 star+)10AM (Thu 18th Dec)2ft (0.6m) 13s
Best Surf10PM (Tue 23rd Dec)7.5ft (2.3m) 16s
Most Powerful 1PM (Wed 24th Dec)8ft (2.5m) 15s

Table - best surf conditions forecast for Petrel Cove over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 36°C on Thu afternoon, min 13°C on Fri night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Very mild (max 19°C on Sun morning, min 12°C on Sun night). Winds decreasing (fresh winds from the WSW on Sun morning, light winds from the WSW by Sun night).

Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
1
2
2
0
0
0
0
0
2
0
0
0
1
0
2
0
0
!
0
0
!
Swell
Height Map
Wave Height (m) & direction (?)
0.6
SSW
0.7
SSW
0.8
SSW
0.9
SSW
0.9
SSW
1.6
SSW
1.2
SSW
1.1
SSW
1.2
S
1.1
S
1.8
SSW
1.5
S
0.9
SSW
0.9
SW
0.9
SSW
1.7
SSW
2
SSW
2.3
SSW
2.3
SSW
2.4
SSW
2.5
SSW
Period(s) (?)1314131313109109878121112131316151513
Wave
Graph
(?)Metric surfscale
Energy kJ (?)11418318124923847222724021016929825824318223599814262555230323612268
Wind
(km/h)
10
NNW
15
W
5
NE
15
SW
25
SW
15
S
15
SSE
15
SSE
10
NE
35
WSW
30
SSW
15
SSW
15
SW
20
SW
15
W
25
SW
25
SW
20
SW
20
SSW
25
SSW
20
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offcross-
off
cross-
off
crosscross-
on
cross-
on
ononcross-
off
crosscross-
on
cross-
on
crosscross-
on
cross-
off
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
on
High Tide
/ height (m)
12:43PM
0.50
1:28AM
1.24
1:11PM
0.48
1:53AM
1.27
1:38PM
0.46
2:19AM
1.27
2:05PM
0.44
2:46AM
1.25
2:33PM
0.43
3:13AM
1.21
3:03PM
0.44
3:42AM
1.16
3:35PM
0.46
4:11AM
1.08
Low Tide
/ height (m)
5:02PM
0.30
10:11AM
0.43
5:34PM
0.25
10:21AM
0.39
6:04PM
0.21
10:34AM
0.35
6:34PM
0.17
10:52AM
0.33
7:05PM
0.15
11:12AM
0.32
7:35PM
0.15
11:33AM
0.33
8:07PM
0.19
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Sunrise5:54--5:54--5:54--5:56--5:56--5:56--5:56--
Sunset-8:28--8:29--8:29--8:30--8:30--8:30--8:30-
clear
clear
clear
cloud
part cloud
part cloud
clear
cloud
part cloud
clear
part cloud
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
Rain (mm)
---------------------
Temp. °C353625241815181818191614181816171715171714
Feels °C (?)3132232214121515151210914141312121113129
  • 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 Petrel Cove Surf forecast

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

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