Surf Forecasts:
Bruny Island - Mabel Bay surf forecast from 16 Aug 2026:
- Best quality surf: Friday 21 Aug, 4AM (local time) - 11ft (3.5m), 12s period, WSW swell with offshore winds.
- Most powerful swell: Sunday 23 Aug, 1AM (local time) - 21ft (6.5m), 15s period, WSW swell with 17,317 kJ wave energy.
- Next surfable swell (1★+): Sunday 16 Aug, 7PM (local time) - 6ft (1.9m), 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 Sunday (Aug 16) at 7PM. The primary swell is predicted to be 1.9m and 13s period with a secondary swell of 0.2m and 14s. 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 6.5m 15s and forecast to arrive on Sunday (Aug 23) at 1AM. 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 4s period and expected on Wednesday (Aug 19) at 10PM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7PM (Sun 16th Aug) | 6ft (1.9m) 13s |
| Best Surf | 4AM (Fri 21st Aug) | 11ft (3.5m) 12s |
| Most Powerful | 1AM (Sun 23rd Aug) | 21ft (6.5m) 15s |
Table - best surf conditions forecast for Bruny Island - Mabel Bay over the next 16 days.
Short Range ForecastMostly dry. Very mild (max 14°C on Tue afternoon, min 10°C on Sun night). Wind will be generally light. | Days 4-6 Weather SummaryModerate rain (total 13mm), heaviest on Fri afternoon. Very mild (max 17°C on Wed afternoon, min 8°C on Fri night). Winds increasing (light winds from the NNW on Thu morning, strong winds from the WSW by Fri night). | ||||||||||||||||||||
Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | |||||||||||||||
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) | SSW 14 | SSW 13 | SW 13 | SW 17 | SW 16 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 15 | SW 14 | SSW 16 | SW 16 | WSW 12 | SW 12 | WSW 13 | SW 13 | SW 14 | SW 14 | WSW 15 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1538 | 1359 | 1112 | 1927 | 2627 | 1695 | 951 | 776 | 422 | 387 | 305 | 167 | 179 | 127 | 1039 | 533 | 2519 | 3543 | 4334 | 4796 | 17317 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross | cross-off | glassy | cross-on | cross-off | cross-off | cross | cross-off | cross-off | cross | cross-off | cross-off | off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 12:08PM0.51m | 11:16PM0.45m | 12:14PM0.53m | 2:54AM0.44m | 12:21PM0.55m | 12:29PM0.58m | 12:40PM0.61m | 1:00PM0.63m | 1:28PM0.66m | ||||||||||||
Low Tide | 6:32PM0.41m | 5:10AM0.38m | 7:48PM0.33m | 5:34AM0.44m | 8:32PM0.26m | 9:04PM0.22m | 9:30PM0.19m | 9:52PM0.18m | 10:15PM0.16m | ||||||||||||
 |  |  | | | | | | |  | |  |  |  |  | | | | | | | |
 | 7:05 | — | — | 7:03 | — | — | 7:01 | — | — | 7:01 | — | — | 6:58 | — | — | 6:58 | — | — | 6:56 | — | — |
 | — | 5:25 | — | — | 5:27 | — | — | 5:28 | — | — | 5:29 | — | — | 5:30 | — | — | 5:30 | — | — | 5:32 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 3 | 1 | — | 5 | 3 | 1 | — | — |
Temp °C | 12 | 12 | 11 | 10 | 10 | 10 | 13 | 14 | 12 | 15 | 17 | 14 | 13 | 12 | 11 | 12 | 10 | 9 | 10 | 10 | 11 |
Feels °C | 10 | 9 | 9 | 9 | 8 | 7 | 7 | 8 | 7 | 10 | 13 | 9 | 9 | 8 | 4 | 7 | 6 | 1 | 1 | 1 | 4 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SSW 13 | SW 13 | SW 17 | SW 16 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 15 | SW 14 | SSW 16 | WSW 13 | SW 21 | SW 12 | SW 18 | SW 16 | — | SSW 18 | SW 15 |
| kJ | 1538 | 1359 | 1112 | 1927 | 2627 | 1695 | 951 | 776 | 422 | 387 | 305 | 167 | 179 | 114 | 110 | 533 | 465 | 931 | — | 123 | 7301 |
Swell 2 Height (m) Direction Period (s) | E 9 | E 14 | E 14 | SSW 11 | E 13 | E 13 | E 12 | E 15 | E 12 | E 11 | E 10 | SW 18 | SW 13 | SW 16 | SW 18 | SW 15 | — | — | — | — | — |
| kJ | 2 | 16 | 4 | 150 | 3 | 3 | 3 | 4 | 3 | 2 | 2 | 82 | 85 | 127 | 12 | 370 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | SE 14 | SE 14 | E 13 | — | — | — | E 12 | SE 15 | SE 14 | SE 14 | S 11 | ENE 5 | NE 7 | E 6 | SW 19 | — | — | — | — | — |
| kJ | — | 8 | 8 | 3 | — | — | — | 3 | 9 | 8 | 8 | 2 | 8 | 14 | 1 | 384 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | NNE 3 | NNE 3 | NE 4 | NE 6 | NNE 4 | NE 4 | NE 4 | WNW 7 | WSW 8 | WSW 12 | N 3 | WSW 13 | SW 13 | SW 14 | SW 14 | WSW 15 |
| kJ | — | — | — | — | — | 6 | 8 | 44 | 38 | 18 | 18 | 40 | 30 | 58 | 1039 | 6 | 2519 | 3543 | 4334 | 4796 | 17317 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 6 | 57 | 6 | 6 | 57 | 8 | 8 | 496 | 8 | 8 | 53 | 55 | 96 | 6 | 53 | 6 | 57 | 74 | 74 | 74 | 57 |
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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