Surf Forecasts:
How big are the waves at Shark Island (Cronulla) today (21 Sep):
- Morning surf: Morning surf (21 Sep, local time) - 2.5ft (0.7m), 11s period with S swell.
- Afternoon surf: Afternoon surf (21 Sep, local time) - 0.5ft (0.1m), 11s period with E swell.
- Evening surf: Evening surf (21 Sep, local time) - 8ft (2.5m), 10s period with S swell.
The current surf forecast for Shark Island (Cronulla) at 4AM is: 0.6m 10s primary swell from a South direction and 0.3m 17s secondary swell from a South-southeast direction, 0.3m 3s secondary swell from a North-northwest direction (forecast issued at 09:00pm September 20). The wind direction is predicted to be cross-shore.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | 2.5ft (0.7m) | 11s |
| Afternoon (21 Sep) | 0.5ft (0.1m) | 11s |
| Evening (21 Sep) | 8ft (2.5m) | 10s |
Table - waves today at Shark Island (Cronulla). (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 13mm), heaviest on Tue night. Warm (max 23°C on Sun night, min 13°C on Mon night). Winds decreasing (strong winds from the SSE on Mon morning, light winds from the NNW by Tue night). | ||||||||||||||||||
Sun 20 | Monday 21 | Tuesday 22 | ||||||||||||||||
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) | SSE 18 | SSE 18 | SSE 17 | S 10 | S 10 | S 11 | E 11 | SSE 6 | SSE 8 | S 10 | S 10 | S 9 | SSE 8 | SSE 8 | SSE 10 | SSE 10 | SSE 10 | SSE 10 |
Wave Graph  | ||||||||||||||||||
 kJ | 104 | 102 | 100 | 73 | 78 | 108 | 2 | 263 | 735 | 1449 | 1300 | 758 | 376 | 226 | 511 | 471 | 370 | 276 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross-on |
High Tide | 4:33AM0.92m | 4:23PM1.30m | 5:22AM1.00m | 5:12PM1.36m | ||||||||||||||
Low Tide | 10:31PM0.44m | 9:47AM0.59m | 11:19PM0.37m | 10:47AM0.53m | ||||||||||||||
 | | | |  | | |  |  |  | | | | | |  | | | |
 | — | — | — | 5:47 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:51 | — | — |
mm | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | 1 | 2 | 2 |
Temp °C | 25 | 23 | 21 | 20 | 22 | 23 | 16 | 15 | 14 | 13 | 14 | 14 | 14 | 15 | 14 | 14 | 14 | 15 |
Feels °C | 22 | 18 | 15 | 14 | 16 | 17 | 9 | 8 | 7 | 7 | 9 | 9 | 10 | 11 | 11 | 11 | 11 | 12 |
Swell 1 Height (m) Direction Period (s) | SSE 18 | SSE 18 | S 10 | S 10 | S 10 | NNE 4 | NE 5 | NE 5 | S 12 | S 18 | S 10 | S 9 | SSE 8 | SSE 8 | SSE 10 | SSE 10 | SSE 10 | SSE 10 |
| kJ | 104 | 102 | 52 | 73 | 78 | 2 | 1 | 1 | 127 | 6 | 1300 | 758 | 376 | 226 | 511 | 471 | 370 | 276 |
Swell 2 Height (m) Direction Period (s) | S 7 | S 7 | SSE 17 | SSE 17 | NE 4 | — | E 11 | E 11 | NE 6 | — | S 17 | S 15 | S 11 | S 11 | S 19 | E 11 | SSE 19 | S 19 |
| kJ | 27 | 15 | 100 | 57 | 3 | — | 2 | 2 | 1 | — | 22 | 42 | 66 | 188 | 29 | 2 | 70 | 186 |
Swell 3 Height (m) Direction Period (s) | NE 4 | S 11 | S 7 | NE 4 | SSE 16 | E 11 | — | — | — | — | — | — | S 20 | S 19 | — | E 15 | SSE 15 | — |
| kJ | 3 | 35 | 14 | 3 | 25 | 3 | — | — | — | — | — | — | 8 | 7 | — | 4 | 22 | — |
Wind waves Height (m) Direction Period (s) | NNE 4 | — | NNW 2 | NNW 3 | NW 2 | S 11 | S 5 | SSE 6 | SSE 8 | S 10 | — | — | — | — | — | — | — | ENE 5 |
| kJ | 10 | — | 1 | 1 | 1 | 108 | 90 | 263 | 735 | 1449 | — | — | — | — | — | — | — | 29 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 0 | 1 | 1 | 1 | 1 | 32 | 209 | 647 | 361 | 314 | 143 | 73 | 40 | 40 | 32 | 32 | 33 | 37 |
Best forecast wave conditions in Sydney South Coast | ||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||
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