Bruny Island - Mabel Bay Surf Break

Lat Long: 43.49° S 147.16° E

Bruny Island - Mabel Bay Surf Forecast and Surf Report

Issued: 9 am 02 Sep 2026 (local time)

Forecast update in  hr  min

Today's Bruny Island - Mabel Bay sea temperature is
13.0°C
1.6° 

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


Bruny Island - Mabel Bay surf forecast from 2 Sep 2026:

  • Best quality surf: Wednesday 2 Sep, 4PM (local time) - 11ft (3.5m), 15s period, SW swell with offshore winds.
  • Most powerful swell: Wednesday 9 Sep, 4PM (local time) - 25ft (7.5m), 19s period, SSW swell with 37,471 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 2 Sep, 4PM (local time) - 11ft (3.5m), 15s period with SW swell.

Best Forecast Surf Conditions for Bruny Island - Mabel Bay this week:

The surf forecast for Bruny Island - Mabel Bay over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Sep 02) at 4PM. The primary swell is predicted to be 3.5m and 15s period with a secondary swell of 0.4m and 12s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Bruny Island - Mabel Bay in the next 16 days are 7.5m 19s and forecast to arrive on Wednesday (Sep 09) at 4PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 5s period and expected on Saturday (Sep 05) at 7AM.

Wave TypeTime (AEST) & Date Wave Height & Period
Next good surf (1 star+) 4PM (Wed 2nd Sep)11ft (3.5m) 15s
Best Surf 4PM (Wed 2nd Sep)11ft (3.5m) 15s
Most Powerful 4PM (Wed 9th Sep)25ft (7.5m) 19s

Table - best surf conditions forecast for Bruny Island - Mabel Bay over the next 16 days.


Short Range Forecast

Light rain (total 9mm), mostly falling on Wed night. Very mild (max 13°C on Wed morning, min 7°C on Thu night). Winds increasing (moderate winds from the NNW on Wed afternoon, gales from the W by Thu afternoon).

Days 4-6 Weather Summary

Light rain (total 8mm), mostly falling on Sun night. Very mild (max 13°C on Sun afternoon, min 9°C on Sun night). Winds decreasing (strong winds from the WSW on Sat afternoon, light winds from the WSW by Sun morning).

Wednesday
2
Thursday
3
Friday
4
Saturday
5
Sunday
6
Monday
7
Tuesday
8
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
4
!
4
0
0
0
!
!
!
5
3
0
4
5
3
1
2
!
!
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
3
SW
16
3.5
SW
15
3
SW
14
4
SW
14
4.5
SW
14
5
SW
15
7
WSW
16
4
SW
16
3.5
SW
16
2.5
SW
15
3
SW
15
3
SW
14
2.4
SW
14
3
WSW
13
1.4
SW
13
2.5
SW
6
2.5
SW
8
3.5
WSW
11
3.5
WSW
11
4.5
WSW
12
4
SW
13
Wave Graph
Metric surfscale
Energy kJ
4084
4994
3669
5694
7880
9872
24453
8335
5747
3212
4320
3908
2110
2778
594
508
828
2767
3022
5702
5769
Wind (km/h)
30
WNW
25
NW
25
NNW
50
W
60
W
50
W
30
WNW
20
NW
20
N
15
NNW
30
WSW
40
SW
15
W
10
N
20
NW
35
WSW
25
W
15
NNW
30
WNW
45
WSW
55
W
Wind State
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
off
cross-off
cross
cross-off
cross-off
off
cross-off
cross-off
off
off
cross-off
cross-off
High Tide
10:14AM0.58m
2:58AM0.49m
11:06AM0.64m
3:57AM0.51m
12:00PM0.69m
4:39AM0.52m
5:18AM0.52m
1:45PM0.77m
5:56AM0.50m
2:36PM0.79m
6:32AM0.48m
3:25PM0.78m
Low Tide
6:29PM0.22m
4:13AM0.48m
7:28PM0.13m
5:22AM0.51m
8:20PM0.06m
6:22AM0.52m
9:10PM0.02m
7:04AM0.51m
9:59PM0.00m
7:45AM0.49m
10:46PM0.02m
8:27AM0.47m
11:32PM0.06m
clear
cloud
rain showers
clear
rain showers
part cloud
part cloud
cloud
light rain
light rain
light rain
part cloud
part cloud
cloud
rain showers
clear
clear
part cloud
part cloud
rain showers
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:37
6:35
6:33
6:33
6:31
6:28
6:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:45
5:45
5:46
5:47
5:49
5:50
5:51
 mm
6
1
2
2
3
3
3
3
Temp °C
13
13
12
9
8
10
12
13
11
12
12
12
12
13
11
12
12
11
13
9
8
Feels °C
7
8
7
-3
-6
1
6
7
6
10
6
3
9
10
7
4
6
5
6
-3
-4
  • 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 Bruny Island - Mabel Bay Surf forecast

The above surf forecast table for Bruny Island - Mabel Bay provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Bruny Island - Mabel Bay can be found by selecting the local surf guide option on the grey menu. Our Bruny Island - Mabel 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 (Bruny Island - Mabel 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 Bruny Island - Mabel 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 East Coast of Tasmania? If you are looking for accommodation near Bruny Island - Mabel Bay, camping, hotels and holiday cottages in East Coast of Tasmania, consider staying in Hobart which is 66 km (41 miles) away. Alternatively, find information about places to stay and car hire in Port Arthur which is 67 km (42 miles) away

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