Surf Forecasts:
D'Estrees Bay surf forecast from 20 Aug 2026:
- Best quality surf: Friday 21 Aug, 3PM (local time) - 10ft (3.0m), 17s period, SW swell with cross-offshore winds.
- Most powerful swell: Thursday 27 Aug, 6PM (local time) - 10ft (3.0m), 18s period, SSW swell with 5,473 kJ wave energy.
- Next surfable swell (1★+): Friday 21 Aug, 3PM (local time) - 10ft (3.0m), 17s period with SW swell.
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 Friday (Aug 21) at 3PM. The primary swell is predicted to be 3.0m and 17s period. 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 18s and forecast to arrive on Thursday (Aug 27) at 6PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Friday (Aug 28) at 6AM.
| Wave Type | Time (ACST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3PM (Fri 21st Aug) | 10ft (3.0m) 17s |
| Best Surf | 3PM (Fri 21st Aug) | 10ft (3.0m) 17s |
| Most Powerful | 6PM (Thu 27th Aug) | 10ft (3.0m) 18s |
Table - best surf conditions forecast for D'Estrees Bay over the next 16 days.
Short Range ForecastMostly dry. Very mild (max 15°C on Fri afternoon, min 11°C on Sat night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Very mild (max 16°C on Mon afternoon, min 10°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SW 14 | SW 17 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 17 | SSW 16 | SSW 15 | SSW 14 | SSW 13 | SSW 13 | SSW 16 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 12 | SSW 14 | SSW 19 | SSW 17 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2594 | 4635 | 5355 | 4003 | 3766 | 3436 | 4566 | 3182 | 1847 | 1223 | 950 | 1155 | 3287 | 2589 | 2191 | 1551 | 1100 | 491 | 1127 | 5281 | 5170 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | cross-off | cross-off | glassy | cross-off | cross-off | cross-off | cross | cross-on | on | cross | cross-off | cross | cross | cross-on | cross-on | cross | cross-off | cross |
High Tide | 1:45PM0.79m | 4:42AM0.78m | 12:50PM0.78m | 11:37AM0.85m | 11:27AM0.95m | 00:22AM0.47m | 11:38AM1.04m | 11:53PM0.54m | 11:55AM1.11m | 11:58PM0.64m | 12:13PM1.16m | 00:13AM0.74m | |||||||||
Low Tide | 8:57PM0.17m | 8:39AM0.71m | 8:58PM0.24m | 8:26PM0.30m | 7:27PM0.32m | 4:03AM0.40m | 6:56PM0.31m | 4:50AM0.30m | 6:48PM0.27m | 5:23AM0.21m | 6:50PM0.24m | ||||||||||
 | |  |  |  | | | |  | | |  | | | | | | | | | | |
 | 6:54 | — | — | 6:54 | — | — | 6:52 | — | — | 6:50 | — | — | 6:50 | — | — | 6:48 | — | — | 6:47 | — | — |
 | — | 5:50 | — | — | 5:51 | — | — | 5:52 | — | — | 5:52 | — | — | 5:53 | — | — | 5:53 | — | — | 5:54 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 15 | 13 | 14 | 14 | 12 | 15 | 15 | 14 | 15 | 16 | 14 | 14 | 13 | 13 | 13 | 12 | 11 | 13 | 14 | 14 |
Feels °C | 10 | 11 | 10 | 11 | 11 | 11 | 12 | 12 | 13 | 13 | 14 | 12 | 9 | 8 | 8 | 9 | 9 | 9 | 8 | 10 | 10 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 17 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 17 | SSW 16 | SSW 15 | SSW 14 | SSW 13 | SSW 13 | SSW 16 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 12 | SSW 14 | SSW 19 | SSW 17 |
| kJ | 2594 | 4635 | 5355 | 4003 | 3766 | 3436 | 4566 | 3182 | 1847 | 1223 | 950 | 1155 | 3287 | 2589 | 2191 | 1551 | 1100 | 491 | 1127 | 5281 | 5170 |
Swell 2 Height (m) Direction Period (s) | SSW 18 | — | — | SSW 24 | SSW 21 | SSW 19 | — | — | — | SSW 20 | SW 19 | SSW 16 | SW 16 | — | — | SSW 18 | SSW 16 | SSW 15 | SSW 21 | SW 14 | — |
| kJ | 1399 | — | — | 108 | 521 | 1033 | — | — | — | 38 | 89 | 961 | 2009 | — | — | 123 | 298 | 339 | 762 | 1154 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 24 | S 13 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 22 | 54 | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | SSW 6 | — | — | — | — | NNE 3 | N 4 | NE 4 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 77 | — | — | — | — | 9 | 14 | 15 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 53 | 99 | 53 | 53 | 95 | 53 | 67 | 53 | 39 | 39 | 39 | 53 | 329 | 492 | 53 | 53 | 87 | 39 | 39 | 67 | 105 |
Best forecast wave conditions in Kangaroo Island | |||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our D'Estrees Bay surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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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