Surf Forecasts:
How big are the waves at Marion Bay today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 2ft (0.6m), 8s period with NE swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 1ft (0.3m), 18s period with S swell.
- Evening surf: Evening surf (21 Aug, local time) - 1ft (0.3m), 18s period with S swell.
The current surf forecast for Marion Bay at 1AM is: 0.8m 8s primary swell from a Northeast direction and 0.2m 17s secondary swell from a South direction (forecast issued at 09:00pm August 20). The wind direction is predicted to be cross-offshore.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 2ft (0.6m) | 8s |
| Afternoon (21 Aug) | 1ft (0.3m) | 18s |
| Evening (21 Aug) | 1ft (0.3m) | 18s |
Table - waves today at Marion Bay. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Fri night. Very mild (max 15°C on Sun afternoon, min 8°C on Thu night). Winds increasing (light winds from the NW on Thu night, strong winds from the SW by Sat morning). | ||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | ||||||||||||||||
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 | |
Swell Height Map |  |  |  |  |  |  |  | |||||||||||
Wave Height (m) Direction Period (s) | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | S 19 | S 18 | S 18 | S 18 | S 16 | S 16 | S 16 | S 16 | S 15 | S 15 | S 15 | S 15 |
Wave Graph  | ||||||||||||||||||
 kJ | 86 | 86 | 86 | 61 | 37 | 36 | 62 | 56 | 55 | 54 | 85 | 126 | 129 | 129 | 224 | 283 | 218 | 215 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross-off | off | cross-off | off | off | off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 3:08AM0.66m | 2:33PM0.98m | 4:08AM0.65m | 3:19PM0.98m | ||||||||||||||
Low Tide | 9:04PM0.33m | 7:47AM0.51m | 9:57PM0.31m | 8:32AM0.52m | ||||||||||||||
 | |  | |  |  | | |  | | |  |  | | | | | | |
 | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:30 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — |
Temp °C | 14 | 11 | 10 | 9 | 8 | 13 | 14 | 12 | 11 | 10 | 10 | 8 | 10 | 10 | 11 | 11 | 9 | 10 |
Feels °C | 10 | 8 | 7 | 5 | 4 | 8 | 9 | 7 | 6 | 4 | 5 | 3 | 2 | 1 | 1 | 3 | 3 | 4 |
Swell 1 Height (m) Direction Period (s) | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 7 | NE 7 | NE 7 | S 16 | S 16 | S 16 | S 16 | S 15 | S 15 | S 15 | S 15 |
| kJ | 86 | 86 | 86 | 61 | 37 | 36 | 35 | 34 | 33 | 16 | 85 | 126 | 129 | 129 | 224 | 283 | 218 | 215 |
Swell 2 Height (m) Direction Period (s) | S 16 | S 16 | S 17 | S 17 | S 16 | S 16 | S 19 | S 18 | S 18 | S 18 | NE 7 | NE 7 | NE 8 | NE 8 | NNE 8 | S 6 | S 8 | S 8 |
| kJ | 20 | 20 | 23 | 24 | 21 | 21 | 62 | 56 | 55 | 54 | 17 | 19 | 23 | 11 | 7 | 13 | 42 | 46 |
Swell 3 Height (m) Direction Period (s) | E 13 | E 12 | E 13 | E 13 | E 13 | S 20 | E 12 | S 14 | S 14 | ENE 8 | NE 8 | — | E 13 | — | N 7 | NE 8 | NE 9 | NE 9 |
| kJ | 3 | 3 | 3 | 3 | 3 | 8 | 3 | 4 | 4 | 6 | 2 | — | 3 | — | 4 | 3 | 3 | 3 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | WNW 2 | WSW 3 | WNW 2 | WNW 3 | W 3 | W 3 | WSW 4 | SW 5 | SW 5 | WSW 4 | W 3 |
| kJ | — | — | — | — | — | — | — | 1 | 3 | 1 | 1 | 4 | 11 | 52 | 82 | 41 | 17 | 6 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 577 | 577 | 577 | 55 | 25 | 31 |
Best forecast wave conditions in East Coast of Tasmania | ||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||
Header Global | ||||||||||||||||||
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