Bruny Island - Lagoons Surf Break

Lat Long: 43.46° S 147.20° E

Bruny Island - Lagoons 48 hour detailed Surf Forecast

Issued: 3 am 18 Sep 2026 (local time)

Forecast update in  hr  min

Today's Bruny Island - Lagoons sea temperature is
12.6°C
1.1° 

Bruny Island - Lagoons 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 - Lagoons today (18 Sep):

  • Morning surf: Morning surf (18 Sep, local time) - 11ft (3.5m), 15s period with SSW swell.
  • Afternoon surf: Afternoon surf (18 Sep, local time) - 21ft (6.5m), 14s period with WSW swell.
  • Evening surf: Evening surf (18 Sep, local time) - 11ft (3.5m), 14s period with SW swell.

The current surf forecast for Bruny Island - Lagoons at 7AM is: 3.5m 15s primary swell from a Southwest direction and 1.5m 18s secondary swell from a South-southwest direction (forecast issued at 03:00am September 18). The wind direction is predicted to be cross-offshore.

Time (AEST) & DateWave HeightWave Period
Morning (18 Sep)11ft (3.5m)15s
Afternoon (18 Sep)21ft (6.5m)14s
Evening (18 Sep)11ft (3.5m)14s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Fri afternoon. Warm (max 21°C on Sun morning, min 8°C on Sat night). Winds increasing (light winds from the NNW on Sat night, near gales from the W by Sun night).

Friday
18
Saturday
19
Sunday
20
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
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
Rating
(10 max)
!
7
5
5
4
!
!
3
4
0
0
0
4
6
!
7
6
4
4
2
3
3
!
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
6
SW
14
3.5
SW
14
3.5
SW
15
4
SSW
16
3.5
SW
15
6.5
WSW
14
6
WSW
14
3.5
SW
14
3.5
SW
14
3.5
SW
14
4
SW
13
4
SW
13
4
SW
14
4
SW
15
5.5
SW
14
3.5
SSW
15
3.5
SSW
15
3
SSW
14
3
SSW
14
2.5
SSW
13
2.4
SSW
13
2.2
SSW
13
4.5
W
12
3
SW
13
Wave Graph
Metric surfscale
Energy kJ
12790
4400
5433
6708
5812
16074
13509
4097
5056
4733
5678
5929
6288
7151
12673
6408
5156
3713
3065
2369
1999
1673
5423
2669
Wind (km/h)
25
NW
25
NW
25
NW
30
NNW
25
NNW
25
WNW
40
WNW
45
W
45
W
50
W
50
W
45
WSW
40
WSW
35
WSW
15
WSW
10
NNW
15
NNW
20
N
20
N
20
NNE
20
N
25
NW
15
NW
55
WNW
Wind State
off
off
cross-off
cross-off
cross-off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross-off
off
off
High Tide
10:52AM0.59m
11:49AM0.61m
12:36PM0.64m
Low Tide
8:27PM0.17m
8:51PM0.16m
9:14PM0.16m
part cloud
part cloud
part cloud
part cloud
cloud
cloud
light rain
cloud
cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:09
6:07
6:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:01
6:02
6:04
 mm
2
Temp °C
11
11
11
14
18
17
13
14
13
14
12
12
13
13
12
10
8
9
11
16
21
18
15
14
Feels °C
5
5
5
7
11
11
4
5
4
4
2
2
4
5
8
7
4
4
5
11
16
12
12
3
  • 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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