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Bruny Island - Mabel Bay Surf Forecast
/ TAS – East Coast (46 breaks) / Tasmania (59 breaks) /
Surf Forecasts:
Bruny Island - Mabel Bay surfForecast / TAS – East Coast / Australia
12 Day Weather and Surf, issued 4 am Monday 15 Dec 2025 AEDTForecast update in hr min s Forecast update imminent
Bruny Island - Mabel Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Bruny Island - Mabel Bay sea temperature is
14.2° C
(Which is slightly warmer than usual)Best Forecast Surf Conditions for Bruny Island - Mabel Bay this week:
The surf forecast for Bruny Island - Mabel Bay over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Dec 15) at 8PM. The primary swell is predicted to be 4.5m and 13s period. 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 12 days are 5.5m 14s and forecast to arrive on Monday (Dec 15) at 8AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 7s period and expected on Saturday (Dec 20) at 2PM.
| Wave Type | Time (AEDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8PM (Mon 15th Dec) | 15ft (4.5m) 13s |
| Best Surf | 8PM (Mon 15th Dec) | 15ft (4.5m) 13s |
| Most Powerful | 8AM (Mon 15th Dec) | 18ft (5.5m) 14s |
Table - best surf conditions forecast for Bruny Island - Mabel Bay over the next 12 days.
Updates in hr min s Forecast update imminent
Short Range Forecast Light rain (total 2mm), mostly falling on Mon morning. Very mild (max 19°C on Wed afternoon, min 8°C on Mon morning). Winds decreasing (near gales from the WSW on Mon morning, calm by Wed night). | Days 3-6 Weather Summary Light rain (total 4mm), mostly falling on Thu afternoon. Very mild (max 15°C on Sat morning, min 9°C on Thu night). Mainly strong winds. | ||||||||||||||||||||
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | |||||||||||||||
| AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Rating (10 max) | |||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||
| Period(s) (?) | 14 | 13 | 12 | 11 | 11 | 10 | 10 | 10 | 11 | 11 | 15 | 13 | 12 | 11 | 11 | 10 | 9 | 6 | 7 | 7 | 7 |
Wave (?)Graph  | |||||||||||||||||||||
 kJ (?) | 11886 | 8616 | 4800 | 2981 | 1829 | 741 | 457 | 1631 | 696 | 382 | 1846 | 1682 | 1027 | 764 | 460 | 183 | 85 | 146 | 335 | 245 | 270 |
Wind (km/h) | |||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross | off | cross- on | cross | glass | cross | cross- on | cross- on | cross- on | cross- on | cross- off | glass | cross- on | cross- off | glass | cross- off | cross- off |
High Tide / height (m) | 4:01AM 0.67 | 4:10AM 0.70 | 4:28AM 0.73 | 4:52AM 0.75 | 5:20AM 0.76 | 5:51AM 0.76 | |||||||||||||||
Low Tide / height (m) | 12:32PM 0.28 | 12:50PM 0.23 | 1:15PM 0.19 | 1:49PM 0.16 | 2:30PM 0.13 | 3:16PM 0.12 | 4:02PM 0.11 | ||||||||||||||
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | |||||||||||||||
| Sunrise | 5:24 | - | - | 5:24 | - | - | 5:24 | - | - | 5:24 | - | - | 5:24 | - | - | 5:24 | - | - | 5:26 | - | - |
| Sunset | - | 8:46 | - | - | 8:47 | - | - | 8:49 | - | - | 8:49 | - | - | 8:50 | - | - | 8:51 | - | - | 8:51 | - |
 |  |  | | |  |  | |  |  |  |  | | | | | | | | | | |
Rain (mm) | 2 | - | - | - | - | - | - | - | - | - | 3 | 1 | - | - | - | - | - | - | 2 | 2 | - |
| Temp. °C | 9 | 11 | 12 | 13 | 18 | 17 | 18 | 19 | 18 | 14 | 11 | 10 | 10 | 11 | 12 | 15 | 15 | 14 | 13 | 13 | 13 |
| Feels °C (?) | -3 | -1 | 5 | 8 | 13 | 14 | 15 | 16 | 16 | 11 | 7 | 6 | 6 | 5 | 4 | 14 | 13 | 12 | 12 | 9 | 7 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Bruny Island - Mabel Bay surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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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 12 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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