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Cape Kersaint Surf Forecast
/ SA – Kangaroo Island (8 breaks) / South Australia (91 breaks) /
Surf Forecasts:
Cape Kersaint surfForecast / SA – Kangaroo Island / Australia
16 Day Weather and Surf, issued 2 pm Friday 01 May 2026 ACSTForecast update in hr min s Forecast update imminent
Cape Kersaint surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Cape Kersaint sea temperature is
17.8° C
(Which is slightly warmer than usual)Best Forecast Surf Conditions for Cape Kersaint this week:
The surf forecast for Cape Kersaint over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (May 03) at 12AM. The primary swell is predicted to be 4.0m and 14s period with a secondary swell of 3.5m and 13s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Cape Kersaint in the next 16 days are 5.0m 16s and forecast to arrive on Thursday (May 07) at 12PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.1m 9s period and expected on Saturday (May 02) at 9PM.
| Wave Type | Time (ACST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12AM (Sun 3rd May) | 13ft (4.0m) 14s |
| Best Surf | 12AM (Sun 3rd May) | 13ft (4.0m) 14s |
| Most Powerful | 12PM (Thu 7th May) | 16ft (5.0m) 16s |
Table - best surf conditions forecast for Cape Kersaint over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 16mm), heaviest on Sat morning. Warm (max 25°C on Fri afternoon, min 14°C on Sat night). Mainly strong winds. | Days 5-7 Weather SummaryHeavy rain (total 22mm), heaviest during Wed afternoon. Very mild (max 17°C on Wed morning, min 11°C on Wed afternoon). Winds increasing (light winds from the NW on Tue night, fresh winds from the S by Wed night). | ||||||||||||||||||||
Fri 1 | Saturday 2 | Sunday 3 | Monday 4 | Tuesday 5 | Wednesday 6 | Thursday 7 | |||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
SW 14 | SW 13 | SW 13 | SW 14 | WSW 14 | WSW 14 | SW 13 | SW 12 | SW 12 | SW 12 | SSW 11 | SSW 12 | SSW 12 | SW 15 | SW 14 | SW 13 | SW 13 | SW 15 | SW 16 | SSW 16 | SSW 14 | |
1558 | 1102 | 933 | 961 | 6111 | 7927 | 5606 | 3540 | 4139 | 4080 | 3503 | 1839 | 1197 | 2360 | 2140 | 3318 | 4377 | 9207 | 9884 | 7301 | 4737 | |
Wind (km/h) | |||||||||||||||||||||
off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-on | cross-on | on | on | on | on | |
High Tide | 11:45PM0.69m | 12:26PM1.14m | 00:03AM0.67m | 12:50PM1.16m | 00:19AM0.64m | 1:14PM1.16m | 00:35AM0.62m | 1:39PM1.14m | 00:48AM0.60m | 2:04PM1.10m | 00:58AM0.57m | 2:32PM1.05m | 1:01AM0.55m | ||||||||
Low Tide | 6:41PM0.35m | 5:25AM0.21m | 7:09PM0.36m | 5:43AM0.18m | 7:36PM0.38m | 6:01AM0.17m | 8:04PM0.40m | 6:18AM0.18m | 8:34PM0.44m | 6:34AM0.19m | 9:10PM0.47m | 6:48AM0.23m | 9:59PM0.51m | 7:00AM0.27m | |||||||
 |  |  | |  | |  |  |  | | | |  | | |  |  | | | | | |
 | — | — | 6:58 | — | — | 7:00 | — | — | 7:01 | — | — | 7:01 | — | — | 7:01 | — | — | 7:03 | — | — | 7:03 |
 | 5:37 | — | — | 5:37 | — | — | 5:36 | — | — | 5:35 | — | — | 5:34 | — | — | 5:32 | — | — | 5:31 | — | 5:30 |
— | — | 9 | — | — | — | 3 | 4 | — | 2 | — | — | — | — | 1 | 6 | 9 | 4 | 4 | 5 | — | |
Temp °C | 25 | 25 | 16 | 17 | 15 | 17 | 15 | 14 | 15 | 15 | 15 | 15 | 16 | 15 | 17 | 12 | 11 | 12 | 11 | 12 | 13 |
20 | 19 | 11 | 11 | 7 | 10 | 8 | 9 | 8 | 9 | 10 | 12 | 12 | 12 | 11 | 5 | 3 | 4 | 2 | 5 | 5 | |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 13 | SW 13 | SW 14 | SW 13 | SW 14 | SW 13 | — | — | — | SSW 11 | SSW 12 | SSW 12 | SW 15 | SW 20 | SW 20 | SSW 18 | SW 15 | — | — | SSW 14 |
 kJ | 1558 | 1102 | 933 | 961 | 4031 | 7025 | 5091 | — | — | — | 3503 | 1839 | 1197 | 2360 | 455 | 388 | 845 | 9207 | — | — | 4737 |
Swell 2 Height (m) Direction Period (s) | — | WNW 6 | NNE 5 | E 6 | — | — | — | — | — | — | — | SW 24 | SSW 16 | SW 22 | SW 7 | — | — | — | — | — | — |
| kJ | — | 4 | 19 | 6 | — | — | — | — | — | — | — | 22 | 651 | 227 | 152 | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | E 6 | ENE 6 | — | — | — | — | — | — | — | SW 24 | SSW 24 | — | SSW 20 | — | — | — | — | — | — |
| kJ | — | — | 18 | 6 | — | — | — | — | — | — | — | 22 | 54 | — | 307 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | N 4 | NE 5 | WNW 5 | W 8 | WSW 14 | WSW 14 | WSW 13 | SW 12 | SW 12 | SW 12 | SSW 11 | — | — | — | SW 14 | SW 13 | SW 13 | SW 15 | SW 16 | SSW 16 | — |
| kJ | 16 | 41 | 45 | 229 | 6111 | 7927 | 5606 | 3540 | 4139 | 4080 | 2594 | — | — | — | 2140 | 3318 | 4377 | 7151 | 9884 | 7301 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 5 | 24 | 88 | 142 | 403 | 580 | 580 | 403 | 663 | 663 | 653 | 45 | 85 | 5 | 152 | 471 | 679 | 663 | 635 | 698 | 45 |
Best forecast wave conditions in Kangaroo Island | |||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Cape Kersaint 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 Cape Kersaint Surf forecast
The above surf forecast table for Cape Kersaint provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Cape Kersaint can be found by selecting the local surf guide option on the grey menu. Our Cape Kersaint 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 (Cape Kersaint) 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 Cape Kersaint 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 Cape Kersaint, camping, hotels and holiday cottages in Kangaroo Island, consider staying in Kingscote which is 62 km (39 miles) away.
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