Surf Forecasts:
How big are the waves at Mona Vale-The Basin today (20 Aug):
- Afternoon surf: Afternoon surf (20 Aug, local time) - 3.5ft (1.1m), 6s period with NE swell.
- Evening surf: Evening surf (20 Aug, local time) - 4.5ft (1.4m), 6s period with ENE swell.
The current surf forecast for Mona Vale-The Basin at 10PM is: 1.6m 6s primary swell from a Northeast direction and 1.4m 6s secondary swell from a East-northeast direction (forecast issued at 03:00pm August 20). An open ocean swell of 0.1m 13s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 2.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | - | - |
| Afternoon (20 Aug) | 3.5ft (1.1m) | 6s |
| Evening (20 Aug) | 4.5ft (1.4m) | 6s |
Table - waves today at Mona Vale-The Basin. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 20°C on Fri morning, min 12°C on Sat night). Wind will be generally light. | ||||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | ||||||||||||||||||
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 | |
Swell Height Map |  |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | NE 6 | NE 6 | ENE 6 | NE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | SSW 5 | NE 6 | NE 6 | NE 6 |
Wave Graph  | ||||||||||||||||||||
 kJ | 47 | 95 | 132 | 182 | 126 | 100 | 64 | 62 | 51 | 39 | 31 | 18 | 18 | 9 | 9 | 9 | 17 | 9 | 9 | 9 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross-off | off | off | off | off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-on | on | on | cross |
High Tide | 1:50PM1.27m | 2:20AM0.87m | 2:55PM1.26m | 3:43AM0.85m | 4:00PM1.28m | |||||||||||||||
Low Tide | 8:48PM0.52m | 7:50AM0.53m | 10:06PM0.50m | 9:00AM0.55m | ||||||||||||||||
 |  |  | | | | | | | |  | | | |  | | | |  | | |
 | — | — | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — |
 | — | 5:28 | — | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — | — | 5:29 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 19 | 19 | 19 | 17 | 16 | 16 | 17 | 20 | 20 | 17 | 16 | 15 | 14 | 13 | 16 | 19 | 18 | 16 | 16 |
Feels °C | 18 | 16 | 16 | 17 | 15 | 14 | 14 | 14 | 17 | 16 | 14 | 13 | 13 | 13 | 12 | 14 | 16 | 15 | 15 | 14 |
Swell 1 Height (m) Direction Period (s) | ESE 6 | SE 7 | E 8 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | SSW 5 | SSW 5 | SSW 5 | SSW 8 | S 8 | NE 6 |
| kJ | 27 | 18 | 1 | 145 | 126 | 100 | 64 | 62 | 51 | 39 | 31 | 18 | 18 | 9 | 8 | 5 | 5 | 22 | 31 | 9 |
Swell 2 Height (m) Direction Period (s) | E 11 | E 10 | E 10 | S 13 | S 12 | S 12 | S 12 | S 11 | S 11 | SE 7 | SE 7 | N 4 | N 4 | SW 4 | NE 6 | NE 6 | NE 6 | SSW 5 | NE 6 | S 6 |
| kJ | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 3 | 3 | 5 | 9 | 9 | 9 | 5 | 9 | 3 |
Swell 3 Height (m) Direction Period (s) | S 14 | S 13 | S 13 | — | — | S 13 | — | — | S 11 | S 11 | S 10 | S 10 | S 10 | N 3 | S 9 | S 9 | S 8 | NE 6 | E 9 | S 8 |
| kJ | 4 | 4 | 3 | — | — | 3 | — | — | 2 | 2 | 2 | 2 | 2 | 1 | 2 | 6 | 13 | 9 | 2 | 6 |
Wind waves Height (m) Direction Period (s) | NE 6 | NE 6 | ENE 6 | NE 6 | — | — | NW 2 | NW 2 | — | — | NW 3 | WNW 3 | W 3 | — | — | — | SSW 5 | — | S 3 | S 5 |
| kJ | 47 | 95 | 132 | 182 | — | — | 1 | 1 | — | — | 3 | 4 | 3 | — | — | — | 17 | — | 1 | 4 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 0 | 61 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 52 | 52 | 183 | 235 | 258 | 237 | 117 | 335 | 388 | 2 | 133 |
Best forecast wave conditions in Sydney North Coast | ||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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