Surf Forecasts:
How big are the waves at Mona Vale-The Basin today (18 Sep):
- Morning surf: Morning surf (18 Sep, local time) - 3ft (0.9m), 8s period with SE swell.
- Afternoon surf: Afternoon surf (18 Sep, local time) - 2.5ft (0.8m), 8s period with ESE swell.
- Evening surf: Evening surf (18 Sep, local time) - 2ft (0.6m), 7s period with ESE swell.
The current surf forecast for Mona Vale-The Basin at 12AM is: 0.1m 13s primary swell from a East direction (forecast issued at 09:00pm September 17). An open ocean swell of 1.8m 9s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 3ft (0.9m) | 8s |
| Afternoon (18 Sep) | 2.5ft (0.8m) | 8s |
| Evening (18 Sep) | 2ft (0.6m) | 7s |
Table - waves today at Mona Vale-The Basin. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Sat morning, min 11°C on Thu night). Wind will be generally light. | ||||||||||||||||||
Thu 17 | Friday 18 | Saturday 19 | ||||||||||||||||
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) | E 13 | E 13 | E 13 | SE 8 | SE 8 | SE 8 | SE 8 | ESE 8 | ESE 7 | ESE 7 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | ESE 7 | ESE 7 | ESE 7 |
Wave Graph  | ||||||||||||||||||
 kJ | 3 | 3 | 3 | 113 | 84 | 86 | 82 | 64 | 61 | 36 | 28 | 28 | 28 | 14 | 14 | 5 | 5 | 5 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | off | off | off | cross-off | glassy | cross-on | cross | cross-off | off | cross-off | cross-off | cross-off | cross-off | on | glassy | cross-off | cross-off |
High Tide | 00:37AM0.91m | 12:56PM1.26m | 1:51AM0.85m | 2:05PM1.23m | ||||||||||||||
Low Tide | 6:52PM0.45m | 6:03AM0.53m | 8:04PM0.49m | 7:05AM0.59m | 9:22PM0.48m | |||||||||||||
 | | | |  | | | | | | | | | | | | | | |
 | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — | — | 5:47 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 13 | 12 | 11 | 11 | 16 | 19 | 18 | 17 | 18 | 17 | 16 | 16 | 22 | 27 | 26 | 25 | 22 |
Feels °C | 12 | 12 | 10 | 9 | 9 | 14 | 16 | 14 | 15 | 16 | 13 | 12 | 12 | 17 | 24 | 23 | 22 | 19 |
Swell 1 Height (m) Direction Period (s) | SSE 9 | SSE 9 | SSE 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 10 | S 9 | S 9 | S 9 | S 10 | S 10 | S 9 | S 9 | S 9 | S 10 |
| kJ | 675 | 530 | 455 | 245 | 245 | 224 | 224 | 249 | 220 | 175 | 139 | 111 | 89 | 90 | 83 | 57 | 58 | 44 |
Swell 2 Height (m) Direction Period (s) | E 13 | E 13 | E 13 | SE 8 | SE 8 | SE 8 | SE 8 | ESE 8 | ESE 7 | ESE 7 | S 16 | SE 8 | SE 8 | SE 8 | SE 8 | ESE 7 | S 18 | S 18 |
| kJ | 3 | 3 | 3 | 113 | 84 | 86 | 82 | 64 | 61 | 36 | 190 | 28 | 28 | 14 | 14 | 5 | 54 | 24 |
Swell 3 Height (m) Direction Period (s) | S 19 | S 19 | S 19 | S 19 | S 19 | S 18 | S 18 | S 18 | S 17 | S 17 | SE 8 | S 15 | S 15 | S 17 | S 14 | S 14 | ESE 7 | ESE 7 |
| kJ | 7 | 7 | 7 | 28 | 27 | 57 | 98 | 97 | 95 | 202 | 28 | 110 | 72 | 51 | 36 | 37 | 5 | 5 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | NE 2 | NNE 3 | NNE 3 | — | WSW 3 | WSW 3 | W 3 | NNW 3 | — | NNE 2 | — |
| kJ | — | — | — | — | — | — | — | 2 | 4 | 4 | — | 6 | 6 | 2 | 1 | — | 1 | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 15 | 2 | 2 | 0 | 0 | 0 | 15 | 15 | 0 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
Best forecast wave conditions in Sydney North Coast | ||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||
Header Global | ||||||||||||||||||
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Live Wave Height (m)
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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