Bruny Island - Mabel Bay surfForecast / TAS – East Coast / Australia

information circle12 Day Weather and Surf, issued 10 pm Wednesday 31 Dec 2025 AEDT
Forecast update in hr  min  s Forecast update imminent
Bruny Island - Mabel Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Bruny Island - Mabel Bay sea temperature is
14.0° C
(Which is normal for this time of year)


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

The surf forecast for Bruny Island - Mabel Bay over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Jan 02) at 2AM. The primary swell is predicted to be 1.4m and 11s period with a secondary swell of 0.7m and 11s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Bruny Island - Mabel Bay in the next 12 days are 1.8m 16s and forecast to arrive on Saturday (Jan 03) at 5AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.8m 5s period and expected on Wednesday (Jan 07) at 8PM.

Wave TypeTime (AEDT) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Fri 2nd Jan)4.5ft (1.4m) 11s
Best Surf 5AM (Sat 3rd Jan)6ft (1.8m) 16s
Most Powerful 5AM (Sat 3rd Jan)6ft (1.8m) 16s

Table - best surf conditions forecast for Bruny Island - Mabel Bay over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Very mild (max 14°C on Thu morning, min 10°C on Wed night). Winds decreasing (fresh winds from the SW on Wed night, calm by Sat morning).

Days 3-6 Weather Summary Mostly dry. Very mild (max 17°C on Mon night, min 12°C on Sat night). Wind will be generally light.

Thursday
01
Friday
02
Saturday
03
Sunday
04
Monday
05
Tuesday
06
Wed
07
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
4
2
0
3
2
2
3
3
0
3
1
0
2
1
2
2
1
0
2
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.9
SW
1.7
SW
1.9
SW
1.4
SW
1.3
SW
1
SSW
1.5
SSW
1.7
SW
1.6
SW
1.3
SW
1.2
SW
1.2
SW
1.1
SW
1
SW
2.2
WSW
1.2
SW
1.1
SW
1.1
SW
1.1
SW
1.1
SW
1.3
SW
Period(s) (?)131212111118161614141313121211111111111110
Wave
Graph
(?)Metric surfscale
Energy kJ (?)11738411025515389659118413949515864804733612681230350258249286286384
Wind
(km/h)
15
W
20
SSW
35
SSW
10
NW
10
ESE
15
E
15
NNE
10
SSE
25
SSW
10
W
15
E
10
SSE
15
N
10
ESE
15
E
10
NNW
10
ESE
15
E
5
NW
15
S
30
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
crosscrossoffoncross-
on
cross-
off
cross-
on
cross-
on
cross-
off
cross-
on
cross-
on
cross-
off
cross-
on
cross-
on
offcross-
on
cross-
on
offcross-
on
cross
High Tide
/ height (m)
4:34AM
0.83
5:15AM
0.86
5:59AM
0.87
6:45AM
0.85
7:30AM
0.80
8:12AM
0.72
8:42AM
0.63
Low Tide
/ height (m)
8:56PM
0.44
12:58PM
-0.02
1:59PM
-0.06
3:02PM
-0.07
4:06PM
-0.05
5:07PM
-0.00
6:03PM
0.06
6:50PM
0.13
Thursday
01
Friday
02
Saturday
03
Sunday
04
Monday
05
Tuesday
06
Wed
07
Sunrise-5:33--5:33--5:35--5:35--5:37--5:37--5:39-
Sunset--8:54--8:54--8:54--8:54--8:54--8:54--8:53
clear
part cloud
part cloud
clear
clear
cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
clear
part cloud
part cloud
part cloud
clear
part cloud
part cloud
cloud
Rain (mm)
---------------------
Temp. °C121414141214141414141314141616171716161817
Feels °C (?)41078121110149111011111313151613151516
  • 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 12 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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