Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Marion Bay surfForecast / TAS – East Coast / Australia
48hr Weather and Surf, issued 4 pm Sunday 21 Dec 2025 AEDTForecast update in hr min s Forecast update imminent
Marion Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Marion Bay sea temperature is
14.7° C
(Which is slightly warmer than usual)How big are the waves at Marion Bay today?
The current surf forecast for Marion Bay at 7PM is: 0.7m 6s primary swell from a East direction and 0.2m 8s secondary swell from a South direction, 0.8m 4s secondary swell from a East-northeast direction (forecast issued at 04:00pm December 21). The wind direction is predicted to be cross-onshore.
| Time (AEDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Dec) | - | - |
| Afternoon (21 Dec) | 3ft (0.9m) | 7s |
| Evening (21 Dec) | 2.5ft (0.8m) | 6s |
Table - waves today at Marion Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | |||||||||||||||||||||
| 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 7 | 4 | 6 | 6 | 6 | 4 | 4 | 6 | 7 | 6 | 8 | 8 | 8 | 8 | 8 | 11 | 11 | 19 | 18 | 17 | 17 | 16 | 16 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 77 | 21 | 50 | 35 | 35 | 23 | 24 | 7 | 7 | 6 | 11 | 17 | 11 | 11 | 11 | 19 | 30 | 118 | 158 | 215 | 205 | 190 | 179 | 233 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | on | cross- off | cross | cross- off | cross- off | cross- off | cross- off | off | off | off | cross- off | off | cross- off | cross- off | cross- off | cross- off | off | off | off | off | cross- off | cross- off |
High Tide / height (m) | 11:18PM 0.71 | 9:49AM 1.07 | 11:59PM 0.72 | 10:29AM 1.06 | 12:39AM 0.74 | |||||||||||||||||||
Low Tide / height (m) | 3:24AM 0.57 | 5:18PM 0.14 | 4:10AM 0.57 | 5:56PM 0.13 | 5:00AM 0.57 | |||||||||||||||||||
Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 5:26 | - | - | - | - | - | - | - | 5:26 | - | - | - | - | - | - | - | 5:26 | - |
| Sunset | - | - | 8:45 | - | - | - | - | - | - | - | 8:45 | - | - | - | - | - | - | - | 8:46 | - | - | - | - | - |
 |  |  |  | | | | | | | | |  | | | | | | |  | | | | | |
Rain (mm) | - | - | - | 1 | 4 | 3 | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 18 | 16 | 15 | 14 | 13 | 12 | 13 | 15 | 18 | 17 | 15 | 13 | 12 | 10 | 11 | 13 | 15 | 16 | 14 | 12 | 12 | 12 | 12 | 12 |
| Feels °C (?) | 15 | 14 | 14 | 13 | 9 | 8 | 9 | 9 | 13 | 12 | 11 | 9 | 7 | 4 | 5 | 6 | 8 | 9 | 8 | 6 | 6 | 6 | 4 | 3 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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