Surf Forecasts:
How big are the waves at Devonport Rivermouth today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 5ft (1.6m), 7s period with NNW swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 4.5ft (1.4m), 6s period with NW swell.
- Evening surf: Evening surf (20 Aug, local time) - 3ft (0.9m), 6s period with NNW swell.
The current surf forecast for Devonport Rivermouth at 6AM is: 1.8m 7s primary swell from a North-northwest direction and 0.4m 6s secondary swell from a Northeast direction, 0.3m 7s secondary swell from a Northeast direction (forecast issued at 09:00pm August 19). The wind direction is predicted to be cross-shore.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 5ft (1.6m) | 7s |
| Afternoon (20 Aug) | 4.5ft (1.4m) | 6s |
| Evening (20 Aug) | 3ft (0.9m) | 6s |
Table - waves today at Devonport Rivermouth. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 8mm), mostly falling on Wed night. Very mild (max 14°C on Wed night, min 9°C on Thu night). Winds increasing (light winds from the W on Thu night, fresh winds from the W by Fri night). | ||||||||||||||||||
Wed 19 | Thursday 20 | Friday 21 | ||||||||||||||||
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) | N 6 | N 6 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NW 6 | NW 6 | NW 6 | NW 6 | NW 6 | NW 5 | NW 6 | NW 6 | NW 6 | NW 6 | NW 7 | NW 7 |
Wave Graph  | ||||||||||||||||||
 kJ | 156 | 228 | 315 | 299 | 262 | 205 | 181 | 143 | 89 | 99 | 44 | 42 | 52 | 75 | 141 | 175 | 178 | 111 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross | cross | cross-off | cross | cross-off | cross-off | cross-off |
High Tide | 4:41PM3.20m | 5:17AM3.08m | 5:18PM3.18m | 5:58AM3.04m | 5:52PM3.15m | |||||||||||||
Low Tide | 11:02PM0.64m | 11:15AM1.01m | 11:40PM0.67m | 11:51AM1.11m | ||||||||||||||
 |  |  | |  | |  |  |  | |  | | | | | |  | | |
 | — | — | — | 6:58 | — | — | — | — | — | — | — | 6:56 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:37 | — | — |
mm | 6 | 3 | 2 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 13 | 14 | 13 | 12 | 13 | 13 | 13 | 11 | 10 | 9 | 9 | 10 | 12 | 13 | 13 | 11 | 9 |
Feels °C | 8 | 9 | 9 | 9 | 8 | 9 | 9 | 8 | 8 | 7 | 7 | 6 | 6 | 8 | 8 | 8 | 7 | 4 |
Swell 1 Height (m) Direction Period (s) | NW 15 | NW 15 | NE 6 | NE 6 | NE 6 | NE 8 | NE 7 | NE 7 | NE 7 | NNW 6 | NW 6 | NW 5 | NW 11 | NW 16 | NW 15 | NW 15 | NW 7 | NW 14 |
| kJ | 9 | 8 | 39 | 20 | 5 | 20 | 14 | 14 | 8 | 59 | 44 | 42 | 20 | 39 | 36 | 34 | 178 | 32 |
Swell 2 Height (m) Direction Period (s) | — | — | NW 15 | NW 14 | NE 7 | NW 13 | NW 13 | NW 13 | NW 13 | NW 11 | NW 11 | NW 11 | NNE 7 | NE 7 | NE 7 | NW 19 | NW 14 | NW 18 |
| kJ | — | — | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 20 | 20 | 20 | 5 | 2 | 2 | 14 | 32 | 12 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | NW 14 | NW 19 | NW 18 | NW 18 | NW 17 | NE 7 | NE 7 | NE 8 | NW 16 | NW 20 | NW 20 | NE 7 | NNW 18 | NE 8 |
| kJ | — | — | — | — | 8 | 14 | 13 | 12 | 11 | 8 | 8 | 9 | 10 | 15 | 15 | 2 | 31 | 2 |
Wind waves Height (m) Direction Period (s) | N 6 | N 6 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NW 6 | NW 6 | NW 6 | NW 6 | — | — | NW 6 | NW 6 | NW 6 | NW 6 | — | NW 7 |
| kJ | 156 | 228 | 315 | 299 | 262 | 205 | 181 | 143 | 89 | 99 | — | — | 52 | 75 | 141 | 175 | — | 111 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 216 | 218 | 184 | 184 | 216 | 211 | 201 | 184 | 218 | 0 | 50 | 184 | 184 | 184 | 184 | 216 | 216 | 184 |
Best forecast wave conditions in North Coast of Tasmania | ||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||
Header Global | ||||||||||||||||||
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