Hanson Bay surfForecast / SA – Kangaroo Island / Australia

information circle12 Day Weather and Surf, issued 3 am Wednesday 04 Mar 2026 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
19.5° C
(Which is 1.2°C warmer than normal for this time of year)

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 Wednesday (Mar 04) at 10PM. The primary swell is predicted to be 2.5m and 13s period with a secondary swell of 0.2m and 12s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Hanson Bay in the next 12 days are 4.0m 15s and forecast to arrive on Friday (Mar 06) at 10AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 5s period and expected on Wednesday (Mar 11) at 4AM.

Wave TypeTime (ACDT) & Date Wave Height & Period
Next good surf (1 star+)10PM (Wed 4th Mar)8ft (2.5m) 13s
Best Surf 4AM (Fri 6th Mar)13ft (4.0m) 15s
Most Powerful10AM (Fri 6th Mar)13ft (4.0m) 15s

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. Warm (max 20°C on Thu morning, min 15°C on Wed night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Very mild (max 19°C on Mon morning, min 13°C on Sun night). Wind will be generally light.

Wednesday
04
Thursday
05
Friday
06
Saturday
07
Sunday
08
Monday
09
Tuesday
10
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
3
2
4
2
3
6
7
5
5
2
0
0
2
1
4
2
1
2
2
1
3
Swell
Height Map
Wave Height (m) & direction (?)
2.5
SW
2.5
SW
2.5
SW
3
SW
3
SW
4
SW
4
SW
4
SW
3.5
SW
3
SW
2.5
SW
3
SW
3
SW
2.5
SW
2.3
SW
1.8
SW
1.6
SW
1.2
SW
1.1
SW
1.1
SW
1.2
SW
Period(s) (?)131313141414151514141614141413131212121211
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2454241725702734389359287520673453634119311841353563272318111018724403355355352
Wind
(km/h)
10
S
15
SSW
10
WNW
15
W
20
W
5
W
5
S
15
S
10
SE
15
SE
20
SE
20
SE
20
ESE
20
SE
5
ESE
10
WSW
10
SW
5
NNE
5
ENE
5
SSE
10
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on
cross-
off
crosscrossglassononcross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
glasscross-
on
cross-
on
glassglasscross-
on
cross-
off
High Tide
/ height (m)
3:18PM
0.57
3:27AM
0.74
3:38PM
0.66
3:38AM
0.68
3:59PM
0.73
3:47AM
0.62
4:23PM
0.77
3:54AM
0.57
4:47PM
0.78
3:58AM
0.53
5:13PM
0.77
3:55AM
0.50
5:41PM
0.72
3:36AM
0.48
Low Tide
/ height (m)
9:06PM
0.05
9:39AM
0.07
9:37PM
0.07
9:45AM
0.04
10:06PM
0.11
9:53AM
0.01
10:34PM
0.16
10:03AM
-0.01
11:00PM
0.23
10:15AM
-0.02
11:24PM
0.31
10:25AM
-0.01
11:47PM
0.39
Wednesday
04
Thursday
05
Friday
06
Saturday
07
Sunday
08
Monday
09
Tuesday
10
Sunrise7:09--7:11--7:11--7:13--7:13--7:15--7:15--
Sunset-7:57--7:55--7:54--7:52--7:52--7:50--7:49-
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
---------------------
Temp. °C181816202016191917161616171614191816222123
Feels °C (?)171617171816171716131212131313171618212120
  • Map Icons:
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  • 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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