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Surf Forecasts:

Cape Kersaint surfForecast / SA – Kangaroo Island / Australia

information circle48hr Weather and Surf, issued 9 pm Friday 09 Jan 2026 ACDT
Forecast 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
19.0° C
 (Which is 1.1°C warmer than normal for this time of year)

How big are the waves at Cape Kersaint today?

The current surf forecast for Cape Kersaint at 12AM is: 3.0m 8s primary swell from a Southwest direction and 0.2m 6s secondary swell from a South-southeast direction (forecast issued at 09:30pm January 09). The wind direction is predicted to be cross-onshore.

Time (ACDT) & DateWave HeightWave Period
Morning (10 Jan)15ft (4.5m)14s
Afternoon (10 Jan)16ft (5.0m)13s
Evening (10 Jan)11ft (3.5m)13s

Table - waves today at Cape Kersaint. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Fri
09
Saturday
10
Sunday
11
Monday
12
7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM
Rating
(10 max)
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
2.2
SW
3
SW
3
SW
4
SW
4.5
SW
4.5
SW
4.5
SW
5
SW
4.5
SW
3.5
SW
3.5
SW
3
SW
3
SW
2.5
SW
2.3
SW
2
SSW
1.9
SSW
1.9
SSW
1.2
SW
1.4
SW
1.1
SW
1.1
SW
1.1
SW
1.1
SW
Period(s) (?)13128121314141313131212111111111010101010101010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)155924281469421269977890694984837107419231112471197014831212903755717284348213213208208
Wind
(km/h)
30
W
35
WSW
40
WSW
35
WSW
35
SW
30
SW
30
SW
30
SSW
25
SSW
25
S
25
S
20
S
20
SSE
20
SSE
20
SSE
20
SSE
25
SSE
25
SSE
25
SE
20
SE
15
SE
15
SE
20
SSE
20
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		onononononcross-
on		cross-
on		oncross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		on
High Tide
/ height (m)
3:38AM
0.87
4:52PM
0.75
3:44AM
0.81
5:57PM
0.75
3:31AM
0.75
Low Tide
/ height (m)
9:26PM
0.46
10:27AM
0.31
10:02PM
0.55
10:49AM
0.30
10:43PM
0.65
11:14AM
0.30
Fri
09
Saturday
10
Sunday
11
Monday
12
Sunrise----6:15-------6:16-------6:16---
Sunset8:40-------8:40-------8:40-------
clear
part cloud
clear
cloud
cloud
cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
part cloud
cloud
cloud
cloud
cloud
cloud
part cloud
clear
Rain (mm)
------------------------
Temp. °C191615151515161616161515151415141414141414141515
Feels °C (?)141077891010111110111091099991011111212
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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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.

View detailed surf forecast for Cape Kersaint at:
surf-forecast.com

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