Surf Forecasts:
How big are the waves at Shark Island (Cronulla) today (18 Aug):
- Afternoon surf: Afternoon surf (18 Aug, local time) - 3ft (0.9m), 7s period with ESE swell.
- Evening surf: Evening surf (18 Aug, local time) - 3ft (0.9m), 7s period with ESE swell.
The current surf forecast for Shark Island (Cronulla) at 9PM is: 0.5m 12s primary swell from a East-southeast direction and 0.9m 7s secondary swell from a East-southeast direction (forecast issued at 03:00pm August 18). The wind direction is predicted to be onshore.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | - | - |
| Afternoon (18 Aug) | 3ft (0.9m) | 7s |
| Evening (18 Aug) | 3ft (0.9m) | 7s |
Table - waves today at Shark Island (Cronulla). (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 21°C on Thu afternoon, min 13°C on Tue night). Wind will be generally light. | ||||||||||||||||||||
Tue 18 | Wednesday 19 | Thursday 20 | ||||||||||||||||||
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) | ESE 7 | ESE 7 | ESE 13 | ESE 7 | ESE 11 | E 8 | ESE 10 | ESE 10 | ESE 10 | E 10 | ESE 9 | SE 9 | NE 5 | NE 6 | NE 6 | ESE 6 | ESE 7 | E 6 | E 6 | NE 5 |
Wave Graph  | ||||||||||||||||||||
 kJ | 77 | 77 | 95 | 86 | 102 | 97 | 86 | 82 | 78 | 226 | 110 | 83 | 90 | 86 | 80 | 43 | 34 | 47 | 49 | 65 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | on | cross-on | cross-off | cross-off | cross-on | on | on | on | cross-on | cross-on | cross-on | cross | cross-on | on | on | glassy | cross-on |
High Tide | 12:12PM1.34m | 00:22AM1.08m | 1:00PM1.31m | 1:18AM0.96m | 1:56PM1.28m | |||||||||||||||
Low Tide | 6:34PM0.43m | 6:20AM0.40m | 7:39PM0.49m | 7:03AM0.48m | 8:53PM0.51m | |||||||||||||||
 |  |  | |  | | |  | | | | | | | | | | |  | | |
 | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — |
 | — | 5:25 | — | — | — | — | — | — | — | 5:27 | — | — | — | — | — | — | — | 5:28 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 16 | 16 | 16 | 15 | 14 | 13 | 14 | 17 | 17 | 16 | 16 | 15 | 14 | 13 | 16 | 20 | 21 | 18 | 18 |
Feels °C | 14 | 13 | 14 | 14 | 14 | 13 | 11 | 13 | 15 | 13 | 12 | 13 | 13 | 12 | 11 | 14 | 17 | 18 | 17 | 17 |
Swell 1 Height (m) Direction Period (s) | S 11 | S 11 | ESE 7 | ESE 7 | ESE 8 | ESE 11 | ESE 10 | ESE 7 | ESE 6 | S 8 | ESE 9 | SE 9 | ENE 6 | ENE 6 | NE 6 | ESE 6 | ESE 7 | E 6 | E 6 | ENE 6 |
| kJ | 55 | 55 | 79 | 86 | 83 | 97 | 86 | 69 | 59 | 6 | 110 | 83 | 49 | 40 | 32 | 43 | 34 | 47 | 46 | 28 |
Swell 2 Height (m) Direction Period (s) | ESE 14 | ESE 14 | ESE 13 | ESE 12 | ESE 11 | ESE 8 | ESE 8 | ESE 10 | ESE 10 | — | S 8 | S 8 | ESE 9 | SE 9 | ESE 8 | ENE 6 | NE 6 | E 10 | E 10 | SE 7 |
| kJ | 41 | 61 | 95 | 85 | 102 | 41 | 39 | 82 | 78 | — | 6 | 5 | 70 | 77 | 44 | 21 | 15 | 2 | 2 | 14 |
Swell 3 Height (m) Direction Period (s) | E 10 | E 9 | S 10 | S 10 | S 10 | E 5 | E 5 | S 8 | S 8 | E 9 | — | — | S 8 | E 12 | E 11 | E 11 | ESE 8 | — | — | E 10 |
| kJ | 8 | 7 | 35 | 30 | 30 | 15 | 21 | 19 | 12 | 7 | — | — | 5 | 3 | 3 | 2 | 14 | — | — | 2 |
Wind waves Height (m) Direction Period (s) | ESE 7 | ESE 7 | — | — | ENE 5 | E 8 | — | — | — | E 10 | ENE 5 | ENE 5 | NE 5 | NE 6 | NE 6 | — | NE 5 | NE 5 | NE 5 | NE 5 |
| kJ | 77 | 77 | — | — | 30 | 89 | — | — | — | 226 | 52 | 61 | 90 | 86 | 80 | — | 27 | 34 | 49 | 65 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 132 | 85 | 2 | 2 | 1 | 0 | 0 | 1 | 2 | 5 | 87 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 1 |
Best forecast wave conditions in Sydney South Coast | ||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||
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