Surf Forecasts:
Bruny Island - Mabel Bay surf forecast from 23 Sep 2026:
- Best quality surf: Monday 28 Sep, 4AM (local time) - 10ft (3.0m), 14s period, SW swell with cross-offshore winds.
- Most powerful swell: Saturday 26 Sep, 7PM (local time) - 10ft (3.0m), 19s period, SW swell with 5,889 kJ wave energy.
- Next surfable swell (1★+): Thursday 24 Sep, 4AM (local time) - 6ft (1.8m), 13s period with SW swell.
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 Thursday (Sep 24) at 4AM. The primary swell is predicted to be 1.8m and 13s period. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Bruny Island - Mabel Bay in the next 16 days are 3.0m 19s and forecast to arrive on Saturday (Sep 26) at 7PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 5s period and expected on Friday (Sep 25) at 7PM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4AM (Thu 24th Sep) | 6ft (1.8m) 13s |
| Best Surf | 4AM (Mon 28th Sep) | 10ft (3.0m) 14s |
| Most Powerful | 7PM (Sat 26th Sep) | 10ft (3.0m) 19s |
Table - best surf conditions forecast for Bruny Island - Mabel Bay over the next 16 days.
Short Range ForecastModerate rain (total 12mm), heaviest on Sat morning. Very mild (max 16°C on Thu night, min 7°C on Sat morning). Winds increasing (calm on Wed night, strong winds from the SW by Sat afternoon). | Days 5-7 Weather SummarySome drizzle, heaviest during Sat night. Very mild (max 13°C on Tue afternoon, min 6°C on Mon night). Winds decreasing (fresh winds from the SW on Mon afternoon, light winds from the NW by Tue afternoon). | ||||||||||||||||||
Thursday 24 | Friday 25 | Saturday 26 | Sunday 27 | Monday 28 | Tuesday 29 | ||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 13 | SW 14 | SW 13 | SW 20 | SSW 11 | SW 16 | SW 15 | SW 14 | SSW 13 | SSW 13 | SSW 12 | SSW 14 | SSW 14 | SSW 14 |
Wave Graph  | |||||||||||||||||||
 kJ | 1191 | 796 | 609 | 423 | 330 | 331 | 450 | 1280 | 5137 | 1748 | 4181 | 3967 | 2725 | 2267 | 1955 | 1732 | 2671 | 2417 | 1849 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross | cross-off | glassy | cross-off | cross-off | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross | off | cross | cross-on | off |
High Tide | 5:15AM0.45m | 3:22PM0.67m | 5:26AM0.47m | 4:12PM0.63m | 5:43AM0.49m | 5:13PM0.57m | 6:05AM0.53m | 6:40PM0.50m | 6:32AM0.56m | 9:23PM0.46m | 7:07AM0.60m | ||||||||
Low Tide | 10:28PM0.17m | 8:45AM0.41m | 10:56PM0.20m | 9:47AM0.39m | 11:23PM0.25m | 10:59AM0.36m | 11:50PM0.31m | 12:23PM0.32m | 00:13AM0.38m | 2:02PM0.27m | 00:14AM0.45m | 3:43PM0.20m | |||||||
 |  |  |  |  | |  |  | | | | | |  | |  | | | | |
 | — | 5:58 | — | — | 5:56 | — | — | 5:54 | — | — | 5:52 | — | — | 5:50 | — | — | 5:48 | — | — |
 | — | — | 6:08 | — | — | 6:09 | — | — | 6:10 | — | — | 6:12 | — | — | 6:13 | — | — | 6:15 | — |
mm | — | — | — | — | 1 | — | 4 | 6 | 1 | 1 | — | — | — | — | — | — | — | — | — |
Temp °C | 11 | 12 | 14 | 16 | 14 | 15 | 12 | 8 | 9 | 8 | 10 | 11 | 9 | 10 | 10 | 8 | 12 | 13 | 14 |
Feels °C | 9 | 7 | 12 | 12 | 12 | 11 | 9 | 0 | -1 | -1 | 2 | 3 | 4 | 2 | 1 | 4 | 8 | 10 | 11 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 13 | SW 14 | SSW 21 | E 18 | SSW 17 | SE 16 | ESE 15 | SE 14 | SSW 13 | SE 13 | SSW 12 | SSW 14 | SSW 14 | SSW 14 |
| kJ | 1191 | 796 | 609 | 423 | 330 | 331 | 450 | 297 | 6 | 1383 | 10 | 21 | 8 | 1929 | 7 | 1732 | 2671 | 2417 | 1849 |
Swell 2 Height (m) Direction Period (s) | — | — | — | NE 4 | ENE 7 | NE 7 | SSW 23 | E 17 | NE 8 | SE 16 | — | — | S 18 | ESE 13 | SW 21 | SSW 18 | SW 16 | SE 14 | SE 13 |
| kJ | — | — | — | 4 | 4 | 2 | 102 | 6 | 10 | 10 | — | — | 6 | 17 | 17 | 124 | 65 | 8 | 7 |
Swell 3 Height (m) Direction Period (s) | — | — | — | NE 7 | S 26 | SW 24 | NE 8 | NE 8 | E 18 | SE 16 | — | — | — | S 22 | SE 16 | ESE 15 | ESE 15 | — | — |
| kJ | — | — | — | 8 | 13 | 23 | 2 | 11 | 6 | 10 | — | — | — | 9 | 10 | 21 | 21 | — | — |
Wind waves Height (m) Direction Period (s) | — | — | ENE 3 | — | — | SW 4 | WSW 6 | SW 13 | SW 20 | SSW 11 | SW 16 | SW 15 | SW 14 | SW 12 | SSW 13 | — | — | — | NE 6 |
| kJ | — | — | 8 | — | — | 38 | 73 | 1280 | 5137 | 1748 | 4181 | 3967 | 2725 | 2267 | 1955 | — | — | — | 14 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 6 | 8 | 53 | 6 | 6 | 57 | 53 | 69 | 961 | 66 | 66 | 69 | 59 | 56 | 496 | 6 | 8 | 53 | 6 |
Best forecast wave conditions in East Coast of Tasmania | |||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||
Header Global | |||||||||||||||||||
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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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