Vivonne Bay surfForecast / SA – Kangaroo Island / Australia

information circle12 Day Weather and Surf, issued 9 am Friday 20 Feb 2026 ACDT
Forecast update in hr  min  s Forecast update imminent
Vivonne Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Vivonne Bay sea temperature is
18.9° C
(Which is slightly warmer than usual)


Best Forecast Surf Conditions for Vivonne Bay this week:

The surf forecast for Vivonne Bay over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Feb 21) at 4PM. The primary swell is predicted to be 1.9m and 13s period with a secondary swell of 0.5m and 4s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Vivonne Bay in the next 12 days are 3.5m 16s and forecast to arrive on Monday (Feb 23) at 4PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Sunday (Feb 22) at 1AM.

Wave TypeTime (ACDT) & Date Wave Height & Period
Next good surf (1 star+) 4PM (Sat 21st Feb)6ft (1.9m) 13s
Best Surf 4PM (Sat 21st Feb)6ft (1.9m) 13s
Most Powerful 4PM (Mon 23rd Feb)11ft (3.5m) 16s

Table - best surf conditions forecast for Vivonne Bay over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Light rain (total 3mm), mostly falling on Sun morning. Warm (max 27°C on Sat afternoon, min 15°C on Sun night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Very mild (max 16°C on Mon morning, min 14°C on Wed night). Winds increasing (light winds from the SE on Mon night, fresh winds from the SE by Wed afternoon).

Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
3
1
0
0
2
2
2
0
0
0
0
1
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
3
SW
2.5
SW
2.2
SW
1.9
SW
1.9
SW
1.9
SW
1.8
SW
2.1
SW
2.4
SW
3.5
SW
3.5
SW
3.5
SW
3
SW
2.4
SW
2.5
SW
2.4
SW
2.3
SW
2.2
SW
2
SW
1.8
SW
1.5
SW
Period(s) (?)151413131312131214161615141414141414131312
Wave
Graph
(?)Metric surfscale
Energy kJ (?)39262843164811641094113110521269212557506128491531952094240221251962173313871086666
Wind
(km/h)
5
SW
20
SSW
15
ESE
15
E
0
W
10
NW
15
WNW
30
S
20
SSE
20
SE
25
SE
15
SE
20
SSE
25
SSE
30
SE
35
SE
40
SE
35
ESE
30
ESE
25
SE
25
SE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
crossononglassoffoffcrosscross-
on
onononcross-
on
cross-
on
cross-
on
ononononcross-
on
cross-
on
High Tide
/ height (m)
2:43PM
0.91
2:49AM
0.95
3:08PM
0.96
2:59AM
0.86
3:35PM
0.99
2:59AM
0.78
4:06PM
0.98
2:45AM
0.73
4:41PM
0.93
1:58AM
0.73
5:26PM
0.86
12:36AM
0.81
12:18AM
0.91
Low Tide
/ height (m)
8:43PM
0.26
8:55AM
0.25
9:13PM
0.32
9:02AM
0.23
9:43PM
0.42
9:09AM
0.20
10:09PM
0.54
9:14AM
0.18
10:26PM
0.67
9:17AM
0.17
9:38PM
0.78
9:15AM
0.18
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Sunrise6:56--6:58--6:58--7:00--7:01--7:01--7:03--
Sunset-8:10--8:09--8:08--8:07--8:06--8:05--8:04-
clear
clear
clear
clear
part cloud
rain showers
light rain
cloud
clear
clear
clear
part cloud
part cloud
clear
clear
clear
part cloud
clear
clear
clear
part cloud
Rain (mm)
-----12--------------
Temp. °C222017242723211716161616161615161615161616
Feels °C (?)21181721262221121111111313111010109111113
  • Map Icons:
  • Break
  • 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 Vivonne Bay Surf forecast

The above surf forecast table for Vivonne Bay provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Vivonne Bay can be found by selecting the local surf guide option on the grey menu. Our Vivonne 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 (Vivonne 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 Vivonne 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 Vivonne Bay, camping, hotels and holiday cottages in Kangaroo Island, consider staying in Kingscote which is 55 km (34 miles) away.

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