Bruny Island - Lagoons surf break

Bruny Island - Lagoons surfForecast / TAS – East Coast / Australia

information circle12 Day Weather and Surf, issued 3 pm Sunday 17 Aug 2025 AEST
Forecast update in hr  min  s Forecast update imminent
Bruny Island - Lagoons surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Bruny Island - Lagoons sea temperature is
13.2° C
(Which is 1.7°C warmer than normal for this time of year)


Best Forecast Surf Conditions for Bruny Island - Lagoons this week:

The surf forecast for Bruny Island - Lagoons over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Aug 18) at 1AM. The primary swell is predicted to be 2.1m and 12s period with a secondary swell of 0.7m and 12s. Another secondary swell of 2.0m and 12s is also forecast. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Bruny Island - Lagoons in the next 12 days are 2.4m 17s and forecast to arrive on Tuesday (Aug 19) at 10AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 5s period and expected on Saturday (Aug 23) at 4PM.

Wave TypeTime (AEST) & Date Wave Height & Period
Next good surf (1 star+) 1AM (Mon 18th Aug)7ft (2.1m) 12s
Best Surf10AM (Tue 19th Aug)8ft (2.4m) 17s
Most Powerful10AM (Tue 19th Aug)8ft (2.4m) 17s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Very mild (max 11°C on Mon morning, min 7°C on Sun night). Winds decreasing (fresh winds from the WSW on Mon afternoon, light winds from the SE by Tue morning).

Days 3-6 Weather Summary Mostly dry. Very mild (max 17°C on Fri morning, min 9°C on Wed night). Wind will be generally light.

Sun
17
Monday
18
Tuesday
19
Wednesday
20
Thursday
21
Friday
22
Saturday
23
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
Swell
Height Map
Wave Height (m) & direction (?)
2.5
SSW
2.1
SSW
2
SSW
1.8
SSW
1.9
SW
2.4
SSW
2.3
SSW
2.1
SSW
2.1
SSW
2.1
SSW
1.9
SW
1.5
SW
1.2
SW
1.1
SW
1
SW
1.2
SW
1.3
SW
1.5
SW
1.4
SW
1.6
SW
3
SW
Period(s) (?)13121111161716161617151414131716151414148
Wave
Graph
(?)Metric surfscale
Energy (?)3186240911901110199334582652217920752522165891152650472813658428747369541128
Wind
(km/h)
25
SW
20
W
25
SW
30
WSW
10
WNW
5
NNW
15
S
10
NNW
10
N
5
E
10
NW
15
NNE
10
NE
25
N
20
NNE
25
NE
15
NNE
15
N
10
WSW
15
NW
40
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
offcross-
off
cross-
off
offcross-
off
crosscross-
off
cross-
off
onoffcrosscrosscross-
off
crosscrosscross-
off
cross-
off
cross-
off
offcross-
off
High Tide
/ height (m)
2:02PM
0.76
2:43PM
0.78
3:23PM
0.78
4:02PM
0.77
4:38PM
0.74
5:12PM
0.68
Low Tide
/ height (m)
9:37PM
0.05
10:26PM
0.03
11:13PM
0.03
11:59PM
0.05
12:44AM
0.09
1:27AM
0.14
2:06AM
0.20
Sun
17
Monday
18
Tuesday
19
Wednesday
20
Thursday
21
Friday
22
Saturday
23
Sunrise--7:01--7:01--6:58--6:56--6:56--6:54--6:52
Sunset5:27--5:28--5:29--5:30--5:30--5:31--5:32--
cloudpart cloudcloudpart cloudpart cloudclearclearclearclearcloudclearclearclearpart cloudpart cloudcloudcloudcloudmod rainrain showersrain showers
Rain (mm)
------------------741
Temp. °C109111110910910121113161417171513111011
Feels °C (?)32446665697811812111110912
  • 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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Eyeball surf reportRecent Eyeball Surf Reports for TAS - East Coast

  1. weather stationWind Update Light wind has turned cross-on at Shipstern Bluff (moderate winds from the SW at Dunalley (Stroud Point) 34 km from Shipstern Bluff). 1.9m 13s groundswell from the SSW to make surfable waves.

    Shipstern Bluff
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2 h 20 min ago

28 km/h
W
Cross-Off
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Information about the Bruny Island - Lagoons Surf forecast

The above surf forecast table for Bruny Island - Lagoons 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 - Lagoons can be found by selecting the local surf guide option on the grey menu. Our Bruny Island - Lagoons 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 - Lagoons) 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 - Lagoons 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 - Lagoons, camping, hotels and holiday cottages in East Coast of Tasmania, consider staying in Hobart which is 62 km (39 miles) away. Alternatively, find information about places to stay and car hire in Port Arthur which is 62 km (39 miles) away

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