Surf Forecasts:
Bruny Island - Mabel Bay surf forecast from 6 Aug 2026:
- Best quality surf: Monday 10 Aug, 7PM (local time) - 11ft (3.5m), 16s period, SW swell with cross-offshore winds.
- Most powerful swell: Monday 10 Aug, 4PM (local time) - 11ft (3.5m), 17s period, SW swell with 5,925 kJ wave energy.
- Next surfable swell (1★+): Thursday 6 Aug, 10PM (local time) - 2.5ft (0.8m), 18s period with SSW 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 (Aug 06) at 10PM. The primary swell is predicted to be 0.8m and 18s period with a secondary swell of 1.2m and 9s. Another secondary swell of 0.9m and 14s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Bruny Island - Mabel Bay in the next 16 days are 3.5m 17s and forecast to arrive on Monday (Aug 10) at 4PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 6s period and expected on Thursday (Aug 13) at 4PM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10PM (Thu 6th Aug) | 2.5ft (0.8m) 18s |
| Best Surf | 7PM (Mon 10th Aug) | 11ft (3.5m) 16s |
| Most Powerful | 4PM (Mon 10th Aug) | 11ft (3.5m) 17s |
Table - best surf conditions forecast for Bruny Island - Mabel Bay over the next 16 days.
Short Range ForecastMostly dry. Very mild (max 13°C on Sun morning, min 8°C on Fri night). Winds increasing (light winds from the ENE on Fri morning, fresh winds from the NNE by Sat night). | Days 5-7 Weather SummaryLight rain (total 6mm), mostly falling on Mon afternoon. Very mild (max 12°C on Sun afternoon, min 8°C on Mon night). Winds decreasing (strong winds from the SW on Mon afternoon, light winds from the NNE by Tue morning). | |||||||||||||||||||
Thu 6 | Friday 7 | Saturday 8 | Sunday 9 | Monday 10 | Tuesday 11 | Wednesday 12 | ||||||||||||||
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) | ESE 9 | SW 18 | SW 15 | SW 14 | SW 17 | SW 16 | SW 15 | SW 14 | SW 13 | SW 13 | SW 20 | SW 18 | SW 17 | SW 15 | SW 14 | SW 13 | SW 16 | SW 16 | SW 16 | SW 15 |
Wave Graph  | ||||||||||||||||||||
 kJ | 307 | 711 | 1138 | 706 | 1573 | 1194 | 1123 | 696 | 335 | 242 | 1883 | 3145 | 5925 | 3241 | 1048 | 859 | 976 | 2776 | 3868 | 1542 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | cross | off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off |
High Tide | 3:41AM0.46m | 1:19PM0.73m | 5:04AM0.47m | 2:03PM0.79m | 6:29AM0.47m | 2:50PM0.83m | 3:38PM0.85m | 4:27PM0.84m | 5:16PM0.80m | |||||||||||
Low Tide | 8:32PM0.17m | 6:20AM0.44m | 9:23PM0.08m | 6:55AM0.46m | 10:16PM0.01m | 7:18AM0.47m | 11:09PM-0.02m | 00:04AM-0.03m | 00:59AM-0.00m | 1:54AM0.05m | ||||||||||
 |  | |  |  | | |  | | |  |  | | | | | | | | | |
 | — | — | 7:18 | — | — | 7:16 | — | — | 7:15 | — | — | 7:13 | — | — | 7:11 | — | — | 7:11 | — | — |
 | 5:15 | — | — | 5:15 | — | — | 5:16 | — | — | 5:17 | — | — | 5:19 | — | — | 5:21 | — | — | 5:22 | — |
mm | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 3 | — | — | — | — | 1 | — | — |
Temp °C | 11 | 9 | 11 | 11 | 10 | 10 | 12 | 11 | 13 | 12 | 11 | 12 | 10 | 10 | 11 | 12 | 11 | 11 | 9 | 10 |
Feels °C | 5 | 5 | 9 | 8 | 8 | 6 | 8 | 6 | 8 | 9 | 7 | 7 | 0 | 1 | 8 | 8 | 7 | 6 | 4 | 3 |
Swell 1 Height (m) Direction Period (s) | ESE 9 | ESE 8 | SW 15 | SW 14 | SW 17 | SW 16 | SW 15 | SW 14 | SW 13 | SW 13 | SW 20 | ENE 9 | E 10 | E 10 | SW 14 | SW 13 | SW 16 | SW 16 | E 10 | SW 15 |
| kJ | 307 | 157 | 1138 | 706 | 1573 | 1194 | 1123 | 696 | 335 | 242 | 1883 | 103 | 130 | 104 | 1048 | 859 | 976 | 2776 | 196 | 1542 |
Swell 2 Height (m) Direction Period (s) | SW 14 | SW 18 | ESE 8 | SSW 19 | ESE 9 | ESE 8 | ESE 8 | ESE 10 | SW 18 | SSW 17 | ENE 8 | ENE 9 | — | ENE 10 | SSW 7 | E 11 | E 11 | E 11 | SSW 20 | SW 18 |
| kJ | 289 | 711 | 72 | 623 | 82 | 67 | 50 | 38 | 81 | 188 | 128 | 227 | — | 187 | 128 | 184 | 250 | 267 | 684 | 1292 |
Swell 3 Height (m) Direction Period (s) | SW 18 | SW 14 | SW 19 | ESE 7 | SE 15 | ESE 7 | ESE 11 | ENE 9 | ESE 8 | ESE 8 | WSW 14 | — | — | — | E 12 | S 7 | SSW 20 | SE 13 | SW 19 | E 10 |
| kJ | 161 | 350 | 59 | 48 | 8 | 31 | 12 | 16 | 14 | 6 | 904 | — | — | — | 268 | 57 | 664 | 7 | 369 | 122 |
Wind waves Height (m) Direction Period (s) | SW 4 | — | — | — | — | — | NE 3 | NE 4 | NE 5 | NE 7 | — | SW 18 | SW 17 | SW 15 | — | — | NNE 4 | NNE 4 | SW 16 | SSW 6 |
| kJ | 20 | — | — | — | — | — | 3 | 32 | 68 | 102 | — | 3145 | 5925 | 3241 | — | — | 8 | 10 | 3868 | 170 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 96 | 6 | 6 | 53 | 6 | 6 | 8 | 53 | 53 | 6 | 6 | 57 | 790 | 74 | 6 | 53 | 8 | 53 | 66 | 69 |
Best forecast wave conditions in East Coast of Tasmania | ||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||
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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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