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Marion Bay Surf Forecast
/ TAS – East Coast (46 breaks) / Tasmania (59 breaks) /
Surf Forecasts:
Marion Bay surfForecast / TAS – East Coast / Australia
48hr Weather and Surf, issued 3 pm Thursday 18 Sep 2025 AEST
How big are the waves at Marion Bay today?
The current surf forecast for Marion Bay at 6PM is: 0.6m 10s primary swell from a South direction and 0.3m 10s secondary swell from a Northeast direction (forecast issued at 03:00pm September 18). An open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | - | - |
| Afternoon (18 Sep) | 1.5ft (0.5m) | 10s |
| Evening (18 Sep) | 2ft (0.6m) | 10s |
Table - waves today at Marion Bay. (Swell directed towards the surf break)
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | |||||||||||||||||||||
| 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 10 | 10 | 10 | 6 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 16 | 15 | 15 | 16 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 88 | 50 | 70 | 70 | 88 | 77 | 67 | 57 | 46 | 186 | 120 | 96 | 80 | 74 | 116 | 391 | 367 | 272 | 320 | 142 | 101 | 189 | 67 | 67 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- off | cross- off | cross- off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | cross- off | cross- off | cross- off | cross- off | off | off | cross- off | cross- off | off | off |
High Tide / height (m) | 5:07PM 1.06 | 6:36AM 0.77 | 6:00PM 1.03 | 7:14AM 0.80 | 6:49PM 1.00 | 7:48AM 0.83 | ||||||||||||||||||
Low Tide / height (m) | 12:16AM 0.19 | 11:42AM 0.47 | 12:57AM 0.22 | 12:36PM 0.44 | 1:35AM 0.25 | |||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 6:03 | - | - | - | - | - | - | - | 6:03 | - | - | - | - | - | - | - | 6:01 | - |
| Sunset | - | 5:59 | - | - | - | - | - | - | - | 6:00 | - | - | - | - | - | - | - | 6:01 | - | - | - | - | - | - |
 |  |  | |  | |  | |  |  |  | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 14 | 16 | 12 | 11 | 13 | 11 | 10 | 14 | 15 | 15 | 12 | 12 | 7 | 7 | 6 | 8 | 10 | 10 | 9 | 10 | 11 | 10 | 10 | 13 |
| Feels °C (?) | 8 | 10 | 6 | 6 | 7 | 8 | 8 | 11 | 11 | 10 | 8 | 6 | -1 | -2 | -2 | -1 | 1 | 3 | 3 | 4 | 6 | 6 | 6 | 7 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for TAS - East Coast
Cross-off wind 33 km from Shipstern Bluff has become light (light winds from the SSW at Dennes Point). Waves should be turning clean at Shipstern Bluff. 1.2m 10s swell from the S with a 0.8m 11s groundswell from the SW. 2 swells combining to make bigger set waves.
1 h 1 min ago
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