Hanson Bay surfForecast / SA – Kangaroo Island / Australia

information circle12 Day Weather and Surf, issued 9 pm Monday 29 Dec 2025 ACDT
Forecast update in hr  min  s Forecast update imminent
Hanson Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Hanson Bay sea temperature is
17.7° C
(Which is slightly warmer than usual)


Best Forecast Surf Conditions for Hanson Bay this week:

The surf forecast for Hanson Bay over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Jan 05) at 10PM. The primary swell is predicted to be 1.2m and 12s period with a secondary swell of 0.6m and 4s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Hanson Bay in the next 12 days are 2.5m 16s and forecast to arrive on Friday (Jan 02) at 10PM. Winds are predicted to be cross-onshore at the time the swell arrives.

Wave TypeTime (ACDT) & Date Wave Height & Period
Next good surf (1 star+)10PM (Mon 5th Jan)4ft (1.2m) 12s
Best Surf10PM (Mon 5th Jan)4ft (1.2m) 12s
Most Powerful10PM (Fri 2nd Jan)8ft (2.5m) 16s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Very mild (max 17°C on Mon night, min 13°C on Tue night). Mainly fresh winds.

Days 3-6 Weather Summary Mostly dry. Very mild (max 18°C on Fri morning, min 14°C on Thu night). Wind will be generally light.

Tuesday
30
Wednesday
31
Thursday
01
Friday
02
Saturday
03
Sunday
04
Mon
05
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
0
2
2
0
Swell
Height Map
Wave Height (m) & direction (?)
1.7
WSW
2.2
S
2.3
SSE
1.9
SW
2.1
SW
2
SW
1.7
SW
1.6
SW
1.5
SW
1.4
SW
1.4
SW
1.8
SW
2.4
SW
2.3
SW
2.1
SW
1.8
SW
1.7
SW
1.6
SW
1.5
SW
1.3
SW
1.3
SW
Period(s) (?)1177141313121212111817161514131313121212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)681414485144315371299841672614488125718482829216916881179961784634511455
Wind
(km/h)
20
S
30
SSE
30
SSE
25
SE
25
SE
25
SSE
25
SE
20
SE
20
SE
25
SE
20
ESE
20
SE
15
SE
15
SSE
20
SSE
15
SE
15
SE
20
SE
15
ESE
10
ESE
15
SE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscrosscross-
on
High Tide
/ height (m)
11:49PM
0.60
12:39AM
0.73
1:22AM
0.86
2:02AM
0.95
3:34PM
0.10
2:39AM
1.02
3:04PM
0.10
3:15AM
1.03
2:56PM
0.14
3:46AM
1.01
3:07PM
0.21
Low Tide
/ height (m)
1:11PM
0.17
11:04AM
0.12
10:50AM
0.06
11:06AM
0.04
5:27PM
0.09
11:24AM
0.05
6:41PM
0.05
11:35AM
0.09
7:36PM
0.01
11:38AM
0.14
Tuesday
30
Wednesday
31
Thursday
01
Friday
02
Saturday
03
Sunday
04
Mon
05
Sunrise-6:07--6:07--6:07--6:09--6:09--6:11--6:11-
Sunset--8:42--8:42--8:42--8:42--8:42--8:42--8:43
cloud
cloud
part cloud
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
Rain (mm)
---------------------
Temp. °C171515141414141616151818151817151818152122
Feels °C (?)1599899101212111515131514131515131919
  • 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 Hanson Bay Surf forecast

The above surf forecast table for Hanson Bay provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Hanson Bay can be found by selecting the local surf guide option on the grey menu. Our Hanson 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 (Hanson 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 Hanson 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 Hanson Bay, camping, hotels and holiday cottages in Kangaroo Island, consider staying in Kingscote which is 81 km (50 miles) away.

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