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Marion Bay Surf Forecast
/ TAS – East Coast (46 breaks) / Tasmania (59 breaks) /
Marion Bay surfForecast / TAS – East Coast / Australia
12 Day Weather and Surf, issued 3 am Wednesday 18 Jun 2025 AEST
Best Forecast Surf Conditions for Marion Bay this week:
The surf forecast for Marion Bay over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Jun 18) at 7PM. The primary swell is predicted to be 0.6m and 7s period with a secondary swell of 0.2m and 9s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Marion Bay in the next 12 days are 1.2m 8s and forecast to arrive on Tuesday (Jun 24) at 1PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 8s period and expected on Wednesday (Jun 18) at 7PM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7PM (Wed 18th Jun) | 2ft (0.6m) 7s |
| Best Surf | 7PM (Wed 18th Jun) | 2ft (0.6m) 7s |
| Most Powerful | 1PM (Tue 24th Jun) | 4ft (1.2m) 8s |
Table - best surf conditions forecast for Marion Bay over the next 12 days.
Wednesday 18 | Thursday 19 | Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | Friday 27 | Saturday 28 | Sunday 29 | |||||||||||||||||||||||||
| AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | 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) (?) | 12 | 11 | 7 | 9 | 9 | 8 | 15 | 16 | 15 | 19 | 18 | 16 | 16 | 15 | 14 | 14 | 6 | 7 | 8 | 8 | 8 | 15 | 15 | 15 | 15 | 14 | 13 | 13 | 13 | 12 | 14 | 15 | 15 | 17 | 16 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||
| Energy (?) | 53 | 33 | 40 | 68 | 65 | 43 | 36 | 31 | 19 | 32 | 58 | 101 | 50 | 45 | 21 | 25 | 131 | 129 | 183 | 112 | 87 | 65 | 183 | 303 | 451 | 606 | 378 | 291 | 220 | 108 | 65 | 178 | 170 | 227 | 139 | 119 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | off | cross- off | cross- off | cross- off | off | cross- off | off | off | cross- off | off | glass | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | cross- off | cross- off | off | cross- off | off | off | off | cross- off | cross- off | cross- off | cross- off | off | cross | cross |
High Tide / height (m) | 2:05PM 0.89 | 1:21AM 0.94 | 2:47PM 0.95 | 2:31AM 0.88 | 3:29PM 1.02 | 3:48AM 0.83 | 4:13PM 1.09 | 5:07AM 0.79 | 5:00PM 1.15 | 6:24AM 0.78 | 5:49PM 1.20 | 7:36AM 0.77 | 6:41PM 1.23 | 8:41AM 0.77 | 7:34PM 1.25 | 9:41AM 0.76 | 8:28PM 1.23 | 10:35AM 0.76 | 9:21PM 1.19 | 11:25AM 0.77 | 10:13PM 1.13 | 12:12PM 0.79 | 11:04PM 1.05 | |||||||||||||
Low Tide / height (m) | 7:36PM 0.49 | 8:05AM 0.18 | 8:47PM 0.42 | 8:51AM 0.24 | 9:57PM 0.32 | 9:38AM 0.31 | 11:03PM 0.21 | 10:28AM 0.38 | 12:07AM 0.11 | 11:20AM 0.44 | 1:08AM 0.03 | 12:14PM 0.49 | 2:06AM -0.02 | 1:08PM 0.51 | 3:02AM -0.04 | 2:03PM 0.53 | 3:56AM -0.02 | 2:59PM 0.53 | 4:46AM 0.02 | 3:57PM 0.53 | 5:33AM 0.08 | 4:58PM 0.53 | ||||||||||||||
Wednesday 18 | Thursday 19 | Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | Friday 27 | Saturday 28 | Sunday 29 | |||||||||||||||||||||||||
| Sunrise | 7:37 | - | - | 7:37 | - | - | 7:39 | - | - | 7:39 | - | - | 7:39 | - | - | 7:39 | - | - | 7:39 | - | - | 7:39 | - | - | 7:39 | - | - | 7:39 | - | - | 7:39 | - | - | 7:39 | - | - |
| Sunset | - | 4:39 | - | - | 4:39 | - | - | 4:39 | - | - | 4:39 | - | - | 4:40 | - | - | 4:40 | - | - | 4:40 | - | - | 4:40 | - | - | 4:42 | - | - | 4:42 | - | - | 4:43 | - | - | 4:43 | - |
 |  |  |  | | | | | | | | | | |  | | | | | | |  | | | | | | | | | | |  | | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 3 | 2 | - | - | - | - | - | - | - | - | - | - | 1 | 2 | 1 |
| Temp. °C | 11 | 11 | 9 | 13 | 13 | 14 | 18 | 17 | 13 | 17 | 16 | 13 | 15 | 14 | 10 | 14 | 14 | 14 | 15 | 14 | 10 | 9 | 8 | 13 | 14 | 13 | 11 | 15 | 15 | 12 | 14 | 14 | 11 | 12 | 10 | 10 |
| Feels °C (?) | 5 | 6 | 6 | 10 | 10 | 11 | 15 | 14 | 10 | 14 | 13 | 10 | 13 | 11 | 7 | 9 | 9 | 9 | 10 | 9 | 4 | 1 | 0 | 8 | 8 | 7 | 7 | 11 | 13 | 9 | 10 | 10 | 8 | 9 | 7 | 7 |
Short Range Forecast: Mostly dry. Very mild (max 18°C on Fri morning, min 8°C on Wed night). Wind will be generally light. | Days 3-6 Weather Summary Mostly dry. Very mild (max 17°C on Sat morning, min 9°C on Sun night). Wind will be generally light. | Days 6-9 Weather Summary Light rain (total 5mm), mostly falling on Wed morning. Very mild (max 15°C on Tue morning, min 8°C on Tue night). Winds decreasing (strong winds from the W on Wed morning, light winds from the WNW by Thu night). | Long Range Forecast: Light rain (total 7mm), mostly falling on Mon morning. Very mild (max 15°C on Fri morning, min 9°C on Fri night). Wind will be generally light. | |||||||||||||||||||||||||||||||||
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Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Marion 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.
Information about the Marion Bay Surf forecast
The above surf forecast table for Marion Bay provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Marion Bay can be found by selecting the local surf guide option on the grey menu. Our Marion 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 (Marion 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 Marion 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.
Marion Bay is 39 km (24 miles) from Port Arthur. If you plan a holiday in East Coast of Tasmania, look for hotels and other accommodation in Port Arthur. Port Arthur has rooms for a wide range of budgets as well as car hire and transport links.
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