Bruny Island - Mabel Bay Surf Break

Lat Long: 43.49° S 147.16° E

Bruny Island - Mabel Bay 48 hour detailed Surf Forecast

Issued: 9 pm 10 Sep 2026 (local time)

Forecast update in  hr  min

Today's Bruny Island - Mabel Bay sea temperature is
12.8°C
1.3° 

Bruny Island - Mabel Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Bruny Island - Mabel Bay today (11 Sep):

  • Morning surf: Morning surf (11 Sep, local time) - 21ft (6.5m), 16s period with SW swell.
  • Afternoon surf: Afternoon surf (11 Sep, local time) - 15ft (4.5m), 16s period with SSW swell.
  • Evening surf: Evening surf (11 Sep, local time) - 20ft (6.0m), 16s period with SW swell.

The current surf forecast for Bruny Island - Mabel Bay at 1AM is: 4.0m 15s primary swell from a Southwest direction (forecast issued at 09:00pm September 10). The wind direction is predicted to be cross-offshore and the swell rating is 11.

Time (AEST) & DateWave HeightWave Period
Morning (11 Sep)21ft (6.5m)16s
Afternoon (11 Sep)15ft (4.5m)16s
Evening (11 Sep)20ft (6.0m)16s

Table - waves today at Bruny Island - Mabel Bay. (Swell directed towards the surf break)


Short Range Forecast

Mostly dry. Very mild (max 19°C on Sun afternoon, min 7°C on Fri night). Winds decreasing (fresh winds from the WSW on Thu night, light winds from the NNE by Sat morning).

Thu
10
Friday
11
Saturday
12
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
Rating
(10 max)
!
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5
4
4
4
4
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
5.5
WSW
15
3.5
SSW
15
4
SW
15
4
SW
15
6
SW
15
6.5
SW
16
6.5
SW
16
4.5
SSW
16
6
SW
16
4
SSW
16
4
SSW
16
3.5
SSW
16
3.5
SSW
16
3
SSW
16
3
SSW
15
3
SSW
15
2.5
SSW
14
2.5
SSW
14
Wave Graph
Metric surfscale
Energy kJ
12813
5093
6169
7439
16676
19015
19694
10419
16755
8007
7361
7009
5715
4761
3901
3271
2644
2403
Wind (km/h)
20
WNW
25
W
30
WSW
25
W
15
WNW
10
W
20
WSW
20
WSW
20
WSW
10
W
10
WNW
10
NW
10
NW
5
NNE
10
ESE
5
ESE
5
NNE
10
NNW
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
cross-off
cross-on
on
cross-off
cross-off
High Tide
5:03PM0.67m
7:54AM0.45m
6:00PM0.58m
8:11AM0.47m
7:23PM0.49m
Low Tide
00:56AM0.21m
11:30AM0.42m
1:32AM0.30m
1:17PM0.40m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:22
6:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:53
5:55
 mm
Temp °C
13
13
12
10
8
10
13
13
11
9
8
7
7
8
9
9
9
9
Feels °C
7
5
4
4
4
7
9
8
7
6
5
4
4
6
6
7
7
6
  • 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
How to use the Wavefinder 

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