Surf Forecasts:
How big are the waves at Mona Vale-The Basin today (10 Aug):
- Afternoon surf: Afternoon surf (10 Aug, local time) - 6ft (1.9m), 9s period with NE swell.
- Evening surf: Evening surf (10 Aug, local time) - 4.5ft (1.3m), 10s period with NE swell.
The current surf forecast for Mona Vale-The Basin at 9PM is: 1.3m 10s primary swell from a Northeast direction and 0.1m 6s secondary swell from a North direction (forecast issued at 03:00pm August 10). An open ocean swell of 1.0m 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 (10 Aug) | - | - |
| Afternoon (10 Aug) | 6ft (1.9m) | 9s |
| Evening (10 Aug) | 4.5ft (1.3m) | 10s |
Table - waves today at Mona Vale-The Basin. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 20°C on Tue morning, min 11°C on Tue night). Winds decreasing (strong winds from the NW on Mon afternoon, light winds from the W by Tue morning). | ||||||||||||||||||||
Mon 10 | Tuesday 11 | Wednesday 12 | ||||||||||||||||||
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 9 | NE 9 | NE 9 | NE 10 | NE 10 | NE 10 | ENE 10 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 10 | ENE 10 | ENE 10 | ENE 9 | ENE 9 |
Wave Graph  | ||||||||||||||||||||
 kJ | 626 | 513 | 383 | 230 | 177 | 134 | 115 | 78 | 108 | 75 | 75 | 73 | 47 | 46 | 47 | 52 | 54 | 52 | 50 | 49 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 6:09PM1.69m | 7:00AM1.12m | 7:01PM1.76m | 7:49AM1.19m | 7:50PM1.78m | |||||||||||||||
Low Tide | 11:30AM0.33m | 1:02AM0.06m | 12:29PM0.27m | 1:50AM-0.01m | 1:22PM0.22m | |||||||||||||||
 | |  |  | | |  | | | | | | | | | | |  | | | |
 | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — |
 | — | 5:21 | — | — | — | — | — | — | — | 5:21 | — | — | — | — | — | — | — | 5:22 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 13 | 14 | 14 | 15 | 15 | 14 | 17 | 20 | 20 | 15 | 13 | 11 | 11 | 11 | 15 | 17 | 19 | 16 | 13 |
Feels °C | 9 | 5 | 7 | 7 | 9 | 10 | 9 | 13 | 17 | 16 | 8 | 7 | 6 | 7 | 7 | 10 | 14 | 14 | 11 | 9 |
Swell 1 Height (m) Direction Period (s) | NE 9 | NE 9 | NE 9 | NE 10 | NE 10 | NE 10 | ENE 10 | ENE 9 | S 12 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 9 | S 9 | S 9 | S 8 |
| kJ | 626 | 513 | 383 | 230 | 177 | 134 | 115 | 78 | 771 | 835 | 656 | 530 | 408 | 347 | 279 | 262 | 207 | 164 | 125 | 113 |
Swell 2 Height (m) Direction Period (s) | S 13 | S 13 | S 13 | N 6 | E 13 | NNW 5 | S 12 | S 15 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 10 | ENE 10 | ENE 10 | ENE 9 | ENE 9 |
| kJ | 3 | 3 | 3 | 1 | 3 | 2 | 3 | 4 | 76 | 75 | 75 | 73 | 47 | 46 | 47 | 52 | 54 | 52 | 50 | 49 |
Swell 3 Height (m) Direction Period (s) | — | — | S 12 | S 12 | S 12 | E 13 | — | S 12 | ENE 9 | NE 8 | — | — | — | — | — | — | S 15 | S 14 | — | S 13 |
| kJ | — | — | 3 | 3 | 3 | 4 | — | 3 | 108 | 18 | — | — | — | — | — | — | 4 | 4 | — | 3 |
Wind waves Height (m) Direction Period (s) | NNW 5 | NW 4 | WNW 4 | WNW 4 | W 4 | WSW 4 | SW 6 | SSW 7 | W 5 | — | — | W 4 | W 3 | WNW 3 | NW 3 | NW 3 | NNW 3 | NNW 4 | W 3 | W 3 |
| kJ | 71 | 64 | 38 | 38 | 35 | 45 | 141 | 145 | 30 | — | — | 13 | 8 | 4 | 6 | 5 | 1 | 1 | 5 | 8 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 132 | 130 | 252 | 200 | 252 | 2 | 2 | 2 | 0 | 0 | 9 | 2 | 2 | 2 | 2 | 2 | 0 | 2 | 2 | 2 |
Best forecast wave conditions in Sydney North Coast | ||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||
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