Surf Forecasts:
Bruny Island - Mabel Bay surf forecast from 14 Sep 2026:
- Best quality surf: Tuesday 15 Sep, 4AM (local time) - 11ft (3.5m), 13s period, SW swell with cross-offshore winds.
- Most powerful swell: Wednesday 16 Sep, 10AM (local time) - 20ft (6.0m), 15s period, SW swell with 14,448 kJ wave energy.
- Next surfable swell (1★+): Monday 14 Sep, 4PM (local time) - 8ft (2.5m), 8s period with W 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 Monday (Sep 14) at 4PM. The primary swell is predicted to be 2.5m and 8s period with a secondary swell of 1.4m and 13s. Another secondary swell of 0.2m and 18s is also forecast. 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 6.0m 15s and forecast to arrive on Wednesday (Sep 16) at 10AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Sunday (Sep 20) at 7PM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4PM (Mon 14th Sep) | 8ft (2.5m) 8s |
| Best Surf | 4AM (Tue 15th Sep) | 11ft (3.5m) 13s |
| Most Powerful | 10AM (Wed 16th Sep) | 20ft (6.0m) 15s |
Table - best surf conditions forecast for Bruny Island - Mabel Bay over the next 16 days.
Short Range ForecastModerate rain (total 10mm), heaviest on Mon morning. Very mild (max 16°C on Mon morning, min 7°C on Tue night). Winds increasing (light winds from the NNW on Mon morning, strong winds from the SW by Tue afternoon). | Days 4-6 Weather SummaryLight rain (total 4mm), mostly falling on Fri night. Very mild (max 18°C on Fri morning, min 10°C on Thu morning). Winds decreasing (strong winds from the W on Fri night, light winds from the NNE by Sat night). | ||||||||||||||||||||
Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | |||||||||||||||
AM | PM | 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 | W 8 | SW 12 | SW 13 | SW 14 | SSW 14 | SW 15 | SSW 15 | SW 15 | SW 14 | WSW 14 | SW 14 | SSW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SSW 16 | SSW 14 | SW 13 | SW 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 431 | 870 | 2430 | 4206 | 5807 | 8296 | 14448 | 7169 | 5488 | 4443 | 10433 | 11531 | 4505 | 3699 | 3199 | 4335 | 4356 | 5392 | 3023 | 2172 | 6390 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-off | cross-off | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off |
High Tide | 8:24AM0.54m | 8:06AM0.56m | 9:37AM0.57m | 10:52AM0.59m | 11:49AM0.61m | 12:36PM0.64m | |||||||||||||||
Low Tide | 5:44PM0.30m | 6:45PM0.24m | 7:26PM0.20m | 7:59PM0.18m | 8:27PM0.17m | 8:51PM0.16m | 9:14PM0.16m | ||||||||||||||
 | |  |  | |  |  | |  |  | |  | | | |  | | | | | | |
 | 6:16 | — | — | 6:15 | — | — | 6:13 | — | — | 6:11 | — | — | 6:09 | — | — | 6:07 | — | — | 6:05 | — | — |
 | — | 5:58 | — | — | 5:59 | — | — | 6:00 | — | — | 6:00 | — | — | 6:01 | — | — | 6:02 | — | — | 6:04 | — |
mm | 1 | 1 | 1 | 2 | 2 | 3 | — | — | — | — | — | — | — | — | 4 | — | — | — | — | 1 | — |
Temp °C | 16 | 14 | 10 | 9 | 8 | 8 | 10 | 10 | 10 | 11 | 11 | 11 | 18 | 17 | 15 | 14 | 13 | 17 | 20 | 16 | 12 |
Feels °C | 14 | 11 | 3 | -1 | -4 | -4 | 1 | 1 | 1 | 3 | 3 | 7 | 13 | 11 | 10 | 4 | 5 | 11 | 14 | 9 | 1 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 13 | NE 7 | ENE 13 | NE 13 | — | SW 15 | — | — | — | SW 14 | SSW 15 | SSW 14 | SW 14 | SW 14 | — | — | SSW 16 | SSW 14 | SW 13 | NE 8 |
| kJ | 431 | 594 | 8 | 17 | 7 | — | 14448 | — | — | — | 4421 | 5788 | 4505 | 3699 | 3199 | — | — | 5392 | 3023 | 2172 | 11 |
Swell 2 Height (m) Direction Period (s) | SSW 20 | SSW 18 | NE 13 | ENE 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SE 13 | SE 13 | — |
| kJ | 37 | 32 | 7 | 17 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 7 | 7 | — |
Swell 3 Height (m) Direction Period (s) | E 14 | ENE 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SE 13 | — |
| kJ | 4 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 7 | — |
Wind waves Height (m) Direction Period (s) | NE 4 | W 8 | SW 12 | SW 13 | SW 14 | SSW 14 | SSW 15 | SSW 15 | SW 15 | SW 14 | WSW 14 | SW 14 | — | — | NW 4 | SW 14 | SW 14 | — | N 3 | NW 4 | SW 13 |
| kJ | 4 | 870 | 2430 | 4206 | 5807 | 8296 | 8362 | 7169 | 5488 | 4443 | 10433 | 11531 | — | — | 12 | 4335 | 4356 | — | 5 | 10 | 6390 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 6 | 96 | 96 | 74 | 1286 | 147 | 274 | 66 | 66 | 74 | 74 | 147 | 6 | 576 | 602 | 74 | 69 | 8 | 6 | 615 | 584 |
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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