Bruny Island - Mabel Bay Surf Break

Lat Long: 43.49° S 147.16° E

Bruny Island - Mabel Bay 48 hour detailed Surf Forecast

Issued: 3 pm 04 Sep 2026 (local time)

Forecast update in  hr  min

Today's Bruny Island - Mabel Bay sea temperature is
13.0°C
1.5° 

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 (05 Sep):

  • Afternoon surf: Afternoon surf (05 Sep, local time) - 13ft (4.0m), 16s period with SW swell.
  • Evening surf: Evening surf (05 Sep, local time) - 11ft (3.5m), 16s period with SW swell.

The current surf forecast for Bruny Island - Mabel Bay at 12AM is: 3.5m 16s primary swell from a Southwest direction (forecast issued at 03:00pm September 04). An open ocean swell of 0.7m 4s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 11.

Time (AEST) & DateWave HeightWave Period
Morning (05 Sep)--
Afternoon (05 Sep)13ft (4.0m)16s
Evening (05 Sep)11ft (3.5m)16s

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


Short Range Forecast

Heavy rain (total 30mm), heaviest during Sat afternoon. Very mild (max 12°C on Fri afternoon, min 9°C on Sun night). Winds increasing (calm on Sat afternoon, near gales from the SW by Sun night).

Fri
4
Saturday
5
Sunday
6
1 PM
4 PM
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)
!
!
!
!
!
!
5
5
5
4
3
0
0
2
3
4
2
2
3
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
4
SW
16
4
SW
16
4
SW
16
3.5
SW
16
3.5
SW
16
3.5
SW
16
3
SW
16
3
SW
15
3
SW
15
2.5
SW
15
2.3
SW
14
2.1
SW
14
2.2
SSW
14
2
SSW
14
1.8
SW
14
1.7
SW
13
1.6
SW
13
1.5
SW
13
1.5
SW
13
1.3
SW
13
Wave Graph
Metric surfscale
Energy kJ
9082
8591
7353
6734
6149
5526
4711
3867
3510
2962
2037
1688
1969
1516
1267
1042
841
757
757
609
Wind (km/h)
30
WNW
25
WNW
25
NW
15
WNW
10
NW
15
NNE
10
N
15
NNE
15
NE
5
ESE
10
SSW
30
SSE
20
S
15
SSW
10
SW
5
W
5
SE
5
ENE
10
N
10
WNW
Wind State
cross-off
cross-off
off
off
off
cross-off
cross-off
cross-off
cross-off
glassy
cross
on
cross-on
cross
cross
cross-off
on
cross
cross-off
cross-off
High Tide
4:39AM0.52m
12:53PM0.74m
5:18AM0.52m
1:45PM0.77m
Low Tide
8:20PM0.06m
6:22AM0.52m
9:10PM0.02m
7:04AM0.51m
9:59PM0.00m
part cloud
cloud
cloud
cloud
cloud
part cloud
cloud
cloud
light rain
heavy rain
mod rain
light rain
rain showers
clear
part cloud
clear
clear
part cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:33
6:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:46
5:47
5:49
 mm
2
12
6
5
1
Temp °C
12
12
11
12
11
10
10
11
11
11
11
12
12
11
11
11
12
12
12
12
Feels °C
5
6
5
8
8
6
7
8
9
10
9
6
7
7
8
9
10
10
10
10
  • 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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