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Surf Forecasts:

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

information circle12 Day Weather and Surf, issued 10 pm Thursday 20 Nov 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
12.5° 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 (Nov 21) at 8AM. The primary swell is predicted to be 3.5m and 14s period with a secondary swell of 2.4m and 14s. Another secondary swell of 0.2m and 8s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Bruny Island - Mabel Bay in the next 12 days are 3.5m 14s and forecast to arrive on Friday (Nov 21) at 8AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.0m 6s period and expected on Monday (Nov 24) at 11PM.

Wave TypeTime (AEDT) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Fri 21st Nov)11ft (3.5m) 14s
Best Surf 8AM (Fri 21st Nov)11ft (3.5m) 14s
Most Powerful 8AM (Fri 21st Nov)11ft (3.5m) 14s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Mostly dry. Very mild (max 14°C on Sun afternoon, min 8°C on Fri night). Winds decreasing (fresh winds from the SSW on Fri afternoon, light winds from the WSW by Sat morning).

Days 3-6 Weather Summary Moderate rain (total 14mm), heaviest on Wed afternoon. Very mild (max 18°C on Tue afternoon, min 11°C on Wed afternoon). Winds decreasing (strong winds from the NE on Mon afternoon, light winds from the WNW by Tue night).

Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thu
27
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
2
3
1
4
2
1
1
1
0
0
0
0
0
0
1
2
2
0
0
1
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
2.5
SW
2.2
SW
2.3
SW
2.2
SSW
2
SSW
1.8
SSW
1.7
SSW
1.4
SW
1.3
SSW
1.4
SSW
1.2
SSW
1.1
SSW
0.8
SSW
1.1
E
1.4
WSW
1.5
WSW
1.4
SSW
1.9
SW
1.8
SW
2.5
SSW
2.5
SSW
Period(s) (?)1413131212111111121211111081088861010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2667171017291430104485972646750156035327011416935828527738221411061351
Wind
(km/h)
25
W
15
SW
30
SSW
15
N
15
S
15
SE
15
E
15
ENE
30
E
25
NE
30
NE
40
NE
35
NNE
15
SW
15
W
10
WNW
25
WNW
35
WSW
40
WSW
35
WSW
35
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		crosscrosscross-
off		cross-
on		oncross-
on		cross-
on		cross-
on		crosscrosscrosscross-
off		crosscross-
off		offoffcross-
off		cross-
off		cross-
off		cross-
off
High Tide
/ height (m)
5:20AM
0.72
5:42AM
0.72
6:11AM
0.72
6:49AM
0.71
7:40AM
0.70
8:49AM
0.68
10:14AM
0.65
Low Tide
/ height (m)
3:49PM
0.15
4:41PM
0.14
5:27PM
0.13
6:05PM
0.12
6:35PM
0.11
7:04PM
0.10
7:33PM
0.10
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thu
27
Sunrise-5:31--5:31--5:30--5:30--5:28--5:28--5:28-
Sunset--8:22--8:22--8:23--8:25--8:27--8:28--8:29
part cloud
part cloud
clear
clear
clear
part cloud
cloud
cloud
cloud
part cloud
cloud
cloud
rain showers
rain showers
part cloud
part cloud
cloud
mod rain
light rain
light rain
part cloud
Rain (mm)
------------33---811-
Temp. °C10111211111111131413131314141816141111910
Feels °C (?)3767878108876712151495301
  • 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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View detailed surf forecast for Bruny Island - Mabel Bay at:
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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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