Surf Forecasts:
Bruny Island - Mabel Bay surf forecast from 18 Oct 2026:
- Best quality surf: Saturday 24 Oct, 8AM (local time) - 8ft (2.5m), 16s period, SW swell with cross-offshore winds.
- Most powerful swell: Saturday 24 Oct, 2AM (local time) - 10ft (3.0m), 17s period, SW swell with 4,241 kJ wave energy.
- Next surfable swell (1★+): Monday 19 Oct, 5PM (local time) - 5ft (1.5m), 16s 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 Monday (Oct 19) at 5PM. The primary swell is predicted to be 1.5m and 16s period with a secondary swell of 0.1m and 11s. Another secondary swell of 0.9m and 4s 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 3.0m 17s and forecast to arrive on Saturday (Oct 24) at 2AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 8s period and expected on Friday (Oct 23) at 2AM.
| Wave Type | Time (AEDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5PM (Mon 19th Oct) | 5ft (1.5m) 16s |
| Best Surf | 8AM (Sat 24th Oct) | 8ft (2.5m) 16s |
| Most Powerful | 2AM (Sat 24th Oct) | 10ft (3.0m) 17s |
Table - best surf conditions forecast for Bruny Island - Mabel Bay over the next 16 days.
Short Range ForecastSome drizzle, heaviest during Tue afternoon. Warm (max 23°C on Mon afternoon, min 13°C on Wed night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 8mm), mostly falling on Fri afternoon. Warm (max 24°C on Thu afternoon, min 10°C on Sat night). Winds increasing (calm on Thu afternoon, fresh winds from the SW by Sat afternoon). | ||||||||||||||||||||
Monday 19 | Tuesday 20 | Wednesday 21 | Thursday 22 | Friday 23 | Saturday 24 | Sunday 25 | |||||||||||||||
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 15 | SW 16 | SW 14 | SW 13 | SW 12 | SW 12 | SW 13 | SW 14 | SW 15 | SW 16 | SW 15 | SSW 19 | SSW 18 | SW 16 | SW 17 | SW 15 | SW 14 | SW 13 | SW 12 | SW 12 | SW 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 930 | 1068 | 716 | 437 | 341 | 224 | 340 | 534 | 1832 | 2496 | 1808 | 1004 | 1159 | 2027 | 4241 | 2140 | 1838 | 1266 | 736 | 678 | 1144 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | glassy | on | cross | cross-on | on | cross-off | cross | glassy | cross-off | cross-on | cross-off | cross | cross-off | cross | cross-off | glassy | off | cross |
High Tide | 12:22PM0.62m | 5:55AM0.52m | 5:08AM0.51m | 2:13PM0.62m | 4:58AM0.52m | 3:09PM0.60m | 5:04AM0.55m | 4:11PM0.57m | 5:20AM0.59m | 5:26PM0.52m | 5:42AM0.63m | 7:06PM0.47m | |||||||||
Low Tide | 9:10PM0.15m | 7:20AM0.52m | 9:31PM0.16m | 8:32AM0.48m | 9:53PM0.17m | 9:31AM0.43m | 10:18PM0.20m | 10:32AM0.37m | 10:45PM0.25m | 11:37AM0.31m | 11:10PM0.31m | 12:47PM0.24m | 11:29PM0.39m | ||||||||
 |  |  | |  |  | | | | | | |  | |  |  | | | | |  | |
 | 6:13 | — | — | 6:13 | — | — | 6:11 | — | — | 6:09 | — | — | 6:07 | — | — | 6:05 | — | — | 6:05 | — | — |
 | — | 7:38 | — | — | 7:39 | — | — | 7:40 | — | — | 7:42 | — | — | 7:44 | — | — | 7:45 | — | — | 7:45 | — |
mm | — | — | — | — | 1 | — | — | — | — | — | — | — | — | 5 | 1 | 1 | 1 | — | — | — | 3 |
Temp °C | 21 | 23 | 21 | 21 | 18 | 14 | 16 | 14 | 14 | 19 | 24 | 22 | 15 | 14 | 14 | 12 | 13 | 12 | 12 | 13 | 11 |
Feels °C | 17 | 19 | 19 | 19 | 15 | 14 | 13 | 13 | 14 | 17 | 24 | 22 | 13 | 12 | 14 | 8 | 7 | 6 | 10 | 10 | 9 |
Swell 1 Height (m) Direction Period (s) | SW 15 | SW 16 | SW 14 | SW 13 | SW 12 | SW 12 | SW 13 | SW 14 | SW 15 | SW 16 | SW 15 | SW 14 | SW 14 | SW 16 | SW 17 | SW 15 | SW 14 | SW 13 | SW 12 | SW 15 | SW 13 |
| kJ | 930 | 1068 | 716 | 437 | 341 | 224 | 340 | 534 | 1832 | 2496 | 1808 | 984 | 1033 | 2027 | 4241 | 2140 | 1838 | 1266 | 736 | 266 | 1144 |
Swell 2 Height (m) Direction Period (s) | E 11 | E 11 | ENE 7 | ENE 8 | ENE 7 | SSW 14 | SSW 20 | SSW 17 | SSW 20 | — | ENE 4 | SSW 19 | SSW 18 | ENE 8 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 2 | 2 | 20 | 6 | 20 | 131 | 149 | 528 | 485 | — | 22 | 1004 | 1159 | 36 | 44 | 28 | 24 | 13 | 13 | 12 | 12 |
Swell 3 Height (m) Direction Period (s) | — | E 11 | — | S 26 | SSW 24 | NE 8 | ENE 7 | ENE 6 | NE 7 | — | SSW 21 | NE 8 | ENE 8 | ENE 8 | — | — | — | NE 12 | E 11 | E 11 | — |
| kJ | — | 2 | — | 13 | 54 | 14 | 9 | 8 | 14 | — | 45 | 62 | 34 | 112 | — | — | — | 6 | 2 | 2 | — |
Wind waves Height (m) Direction Period (s) | NE 6 | ENE 4 | NNW 3 | NE 4 | WSW 5 | — | — | — | — | NE 7 | NE 6 | NE 8 | — | — | SSW 5 | S 4 | — | — | — | SW 12 | — |
| kJ | 10 | 31 | 1 | 7 | 19 | — | — | — | — | 13 | 98 | 196 | — | — | 41 | 14 | — | — | — | 678 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 8 | 6 | 8 | 8 | 53 | 8 | 53 | 57 | 53 | 8 | 6 | 6 | 81 | 53 | 53 | 6 | 119 | 53 | 6 | 6 | 154 |
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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