D'Estrees Bay surfForecast / SA – Kangaroo Island / Australia

information circle16 Day Weather and Surf, issued 8 am Tuesday 21 Apr 2026 ACST
Forecast update in hr  min  s Forecast update imminent
D'Estrees Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's D'Estrees Bay sea temperature is
17.7° C
(Which is normal for this time of year)

Best Forecast Surf Conditions for D'Estrees Bay this week:

The surf forecast for D'Estrees Bay over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Apr 22) at 3AM. The primary swell is predicted to be 1.7m and 16s period with a secondary swell of 0.4m and 10s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at D'Estrees Bay in the next 16 days are 3.0m 14s and forecast to arrive on Thursday (Apr 23) at 3AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 6s period and expected on Wednesday (Apr 22) at 3PM.

Wave TypeTime (ACST) & Date Wave Height & Period
Next good surf (1 star+) 3AM (Wed 22nd Apr)5.5ft (1.7m) 16s
Best Surf 9AM (Tue 28th Apr)4.5ft (1.4m) 18s
Most Powerful 3AM (Thu 23rd Apr)10ft (3.0m) 14s

Table - best surf conditions forecast for D'Estrees Bay over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 25°C on Tue afternoon, min 14°C on Wed afternoon). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Warm (max 25°C on Fri afternoon, min 13°C on Sun night). Wind will be generally light.

Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
1
1
1
0
0
1
2
2
0
1
2
1
1
1
1
1
2
2
1
2
Swell
Height Map
Wave Height (m) & direction (?)
1.7
SSW
1.5
SSW
1.6
SSW
1.7
SSW
1.4
SSW
2.5
SW
2.5
SSW
2.4
SSW
1.7
SSW
1.3
SSW
1.5
SSW
1.6
SW
1
SSW
1.5
SSW
1.9
SSW
1.9
SSW
1.9
SSW
1.7
SSW
1.6
SSW
2
SSW
2
SSW
Period(s) (?)131316161414141312121313171514141313131413
Wave
Graph
(?)Metric surfscale
Energy kJ (?)93280813211305785255426681999878456820905608100114081368118099884815341363
Wind
(km/h)
15
NNE
20
N
20
N
15
SW
20
S
15
ESE
15
NE
15
NNE
10
N
20
N
20
N
15
NNE
25
NNW
20
WSW
15
S
10
S
10
SSW
5
SSW
5
NNE
10
ESE
10
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
off
cross-
off
cross-
off
crossoncross-
on
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscrosscrossglassglassoncross-
off
High Tide
/ height (m)
1:49PM
1.28
12:30AM
0.72
2:14PM
1.19
12:32AM
0.75
2:38PM
1.06
12:32AM
0.76
2:58PM
0.92
12:21AM
0.76
3:09PM
0.78
11:43PM
0.74
2:20PM
0.66
10:57PM
0.74
12:14PM
0.67
10:47PM
0.76
Low Tide
/ height (m)
8:10PM
0.45
6:55AM
-0.10
8:21PM
0.54
7:14AM
-0.05
8:28PM
0.60
7:30AM
0.04
8:24PM
0.65
7:35AM
0.17
7:44PM
0.67
7:09AM
0.31
5:49PM
0.62
5:58AM
0.37
5:11PM
0.52
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
Sunrise6:48--6:48--6:50--6:50--6:50--6:52--6:52--
Sunset-5:47--5:45--5:45--5:44--5:43--5:42--5:39-
clear
part cloud
cloud
part cloud
part cloud
clear
clear
clear
part cloud
cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
---------------------
Temp. °C242524161514212424242525252016161614171716
Feels °C (?)202120141211192122192022191815151413161614
  • 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 D'Estrees Bay Surf forecast

The above surf forecast table for D'Estrees Bay provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at D'Estrees Bay can be found by selecting the local surf guide option on the grey menu. Our D'Estrees 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 (D'Estrees 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 D'Estrees 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 D'Estrees Bay, camping, hotels and holiday cottages in Kangaroo Island, consider staying in Kingscote which is 32 km (20 miles) away. Alternatively, find information about places to stay and car hire in Rapid Bay which is 70 km (43 miles) away

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