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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
48hr Weather and Surf, issued 2 am Thursday 23 Apr 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
17.6° C
(Which is normal for this time of year)How big are the waves at Cape Kersaint today?
The current surf forecast for Cape Kersaint at 9AM is: 2.5m 13s primary swell from a Southwest direction and 0.6m 5s secondary swell from a East-southeast direction, 0.7m 4s secondary swell from a East direction (forecast issued at 02:30am April 23). The wind direction is predicted to be offshore and the swell rating is 4.
| Time (ACST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Apr) | 8ft (2.5m) | 13s |
| Afternoon (23 Apr) | 8ft (2.5m) | 13s |
| Evening (23 Apr) | 6.5ft (2.0m) | 12s |
Table - waves today at Cape Kersaint. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 10mm), heaviest on Sat night. Warm (max 26°C on Thu morning, min 16°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 23 | Friday 24 | Saturday 25 | ||||||||||||||||||||||
12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 14 | SW 13 | SW 13 | SW 16 | SW 15 | SW 15 | SW 14 | |
1961 | 2354 | 2600 | 2467 | 2340 | 2063 | 1619 | 1163 | 970 | 748 | 683 | 603 | 725 | 767 | 755 | 809 | 865 | 1147 | 1367 | 1365 | 1764 | 1540 | 2491 | 1744 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross-off | off | off | off | off | cross-off | off | off | off | off | off | off | off | off | off | off | off | off | cross-off | cross | cross-off | glassy | |
High Tide | 11:57PM0.62m | 2:54PM0.98m | 3:22PM0.87m | 3:49PM0.75m | ||||||||||||||||||||
Low Tide | 6:53AM0.16m | 7:03AM0.22m | 7:01AM0.30m | 6:49PM0.73m | ||||||||||||||||||||
 | | |  | | | |  |  | | |  | | | | | | | | | | | |  | |
 | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — |
 | — | — | — | — | — | 5:46 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | |
Temp °C | 14 | 14 | 16 | 21 | 26 | 26 | 25 | 25 | 23 | 22 | 21 | 22 | 24 | 25 | 23 | 23 | 23 | 22 | 21 | 23 | 25 | 22 | 20 | 16 |
11 | 12 | 15 | 18 | 21 | 21 | 21 | 20 | 19 | 17 | 16 | 17 | 19 | 20 | 19 | 19 | 19 | 18 | 17 | 18 | 19 | 19 | 20 | 17 | |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 14 | SW 13 | SW 13 | SW 16 | SW 15 | SW 15 | SW 14 |
 kJ | 1961 | 2354 | 2600 | 2467 | 2340 | 2063 | 1619 | 1163 | 970 | 748 | 683 | 603 | 725 | 767 | 755 | 809 | 865 | 1147 | 1367 | 1365 | 1764 | 1540 | 2491 | 1744 |
Swell 2 Height (m) Direction Period (s) | SSE 9 | SSE 9 | SSE 9 | ESE 5 | SE 9 | SE 4 | SW 15 | SE 8 | SW 13 | WSW 14 | — | S 24 | SW 22 | SW 21 | SW 21 | SW 19 | SW 19 | SW 18 | SW 18 | SW 17 | WSW 12 | SW 11 | — | SW 16 |
| kJ | 16 | 8 | 8 | 17 | 3 | 5 | 54 | 3 | 45 | 123 | — | 11 | 18 | 72 | 109 | 303 | 365 | 383 | 379 | 754 | 518 | 530 | — | 211 |
Swell 3 Height (m) Direction Period (s) | — | — | — | SE 9 | SSE 9 | SE 9 | SE 9 | — | SE 8 | SE 8 | S 8 | — | NW 4 | SW 21 | WNW 4 | WNW 7 | WNW 7 | WNW 7 | WNW 6 | ENE 4 | NE 4 | NE 4 | — | — |
| kJ | — | — | — | 3 | 8 | 3 | 3 | — | 3 | 3 | 1 | — | 1 | 71 | 2 | 25 | 26 | 17 | 17 | 3 | 9 | 4 | — | — |
Wind waves Height (m) Direction Period (s) | SE 4 | SE 4 | ESE 5 | E 4 | E 4 | NNE 3 | ENE 4 | NNE 3 | NNE 4 | NNE 4 | NNE 4 | NNE 4 | NNE 4 | NNE 4 | NE 4 | NE 3 | NNE 3 | NNE 4 | NNE 4 | N 3 | N 4 | WNW 4 | — | — |
| kJ | 20 | 20 | 19 | 18 | 13 | 5 | 6 | 7 | 8 | 13 | 16 | 16 | 14 | 7 | 6 | 4 | 6 | 7 | 9 | 5 | 8 | 6 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 112 | 93 | 24 | 5 | 5 | 5 | 5 | 24 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 86 | 85 | 5 | 24 |
Best forecast wave conditions in Kangaroo Island | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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