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

information circle16 Day Weather and Surf, issued 3 pm Friday 17 Apr 2026 AEST
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
15.0° C
(Which is 1.1°C warmer than 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 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Apr 18) at 1PM. The primary swell is predicted to be 3.5m and 11s period with a secondary swell of 0.3m and 13s. Another secondary swell of 2.2m and 13s is also forecast. The wind is predicted to be cross-shore as the swell arrives.

The most powerful waves expected at Bruny Island - Mabel Bay in the next 16 days are 4.0m 11s and forecast to arrive on Saturday (Apr 18) at 1AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 6s period and expected on Wednesday (Apr 22) at 7PM.

Wave TypeTime (AEST) & Date Wave Height & Period
Next good surf (1 star+) 1PM (Sat 18th Apr)11ft (3.5m) 11s
Best Surf 1PM (Sat 18th Apr)11ft (3.5m) 11s
Most Powerful 1AM (Sat 18th Apr)13ft (4.0m) 11s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Some drizzle, heaviest during Fri afternoon. Very mild (max 14°C on Mon morning, min 7°C on Sat night). Winds decreasing (near gales from the SW on Fri afternoon, calm by Mon morning).

Days 3-6 Weather Summary Mostly dry. Very mild (max 17°C on Wed afternoon, min 10°C on Tue night). Winds decreasing (fresh winds from the NNE on Wed morning, calm by Thu morning).

Fri
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
!
!
4
3
4
3
2
2
1
0
1
0
1
2
3
3
2
2
Swell
Height Map
Wave Height (m) & direction (?)
4.5
SW
4
SSW
4
SSW
3.5
S
3.5
SSE
2.5
SSE
2.5
SSE
2
SE
1.6
SE
1.4
SE
0.8
SW
0.9
SW
0.9
SW
1
SW
1.1
SW
1.3
ESE
1.5
ESE
1.5
ESE
1.3
SW
1.3
SW
1.3
SW
Period(s) (?)101111111312121111101413131716111111151312
Wave
Graph
(?)Metric surfscale
Energy kJ (?)4212412835532664355018711665966595384246286277587546380540494686628473
Wind
(km/h)
55
SW
50
SW
40
SW
30
SW
5
W
15
NNE
5
ENE
10
N
5
NNE
5
E
10
N
20
NE
25
NE
30
NNE
40
NNE
25
NE
10
SSW
5
N
10
ESE
15
NNE
20
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscrosscrosscross-
off
cross-
off
cross-
on
cross-
off
glasscross-
on
cross-
off
crosscrosscross-
off
cross-
off
crosscrossglasscross-
on
cross-
off
cross-
off
High Tide
/ height (m)
5:50PM
0.65
9:25AM
0.48
6:23PM
0.68
7:03PM
0.70
7:57PM
0.71
9:09PM
0.71
4:11PM
0.64
10:31PM
0.69
4:21PM
0.63
11:45PM
0.68
Low Tide
/ height (m)
1:35AM
0.17
11:23AM
0.47
3:01AM
0.10
4:21AM
0.03
5:33AM
-0.01
6:36AM
-0.03
6:01PM
0.64
7:30AM
-0.02
7:15PM
0.60
8:18AM
0.02
Fri
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Sunrise--6:46--6:48--6:48--6:50--6:50--6:52--6:52
Sunset5:36--5:34--5:31--5:30--5:29--5:28--5:25--
light rain
cloud
cloud
clear
clear
part cloud
cloud
part cloud
part cloud
clear
part cloud
cloud
cloud
part cloud
part cloud
cloud
part cloud
cloud
part cloud
clear
part cloud
Rain (mm)
1--------------------
Temp. °C10101111911111214131312121114171414141316
Feels °C (?)-2-11458991211118657111214131113
  • 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 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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