Surf Forecasts:
How big are the waves at Dee Why Point today (20 Sep):
- Morning surf: Morning surf (20 Sep, local time) - 2.5ft (0.7m), 10s period with S swell.
- Afternoon surf: Afternoon surf (20 Sep, local time) - 1.5ft (0.4m), 18s period with SSE swell.
- Evening surf: Evening surf (20 Sep, local time) - 1.5ft (0.4m), 18s period with SSE swell.
The current surf forecast for Dee Why Point at 2AM is: 0.4m 9s primary swell from a South direction and 0.2m 7s secondary swell from a East-southeast direction (forecast issued at 09:00pm September 19). An open ocean swell of 0.2m 3s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (AEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | 2.5ft (0.7m) | 10s |
| Afternoon (20 Sep) | 1.5ft (0.4m) | 18s |
| Evening (20 Sep) | 1.5ft (0.4m) | 18s |
Table - waves today at Dee Why Point. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 7mm), mostly falling on Tue afternoon. Warm (max 28°C on Mon morning, min 14°C on Mon night). Winds increasing (light winds from the WSW on Sat night, fresh winds from the SSE by Mon morning). | ||||||||||||||||||
Sat 19 | Sunday 20 | Monday 21 | ||||||||||||||||
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) | S 9 | S 9 | S 9 | S 10 | S 10 | S 10 | SSE 19 | SSE 18 | SSE 18 | SSE 18 | SSE 17 | S 10 | S 10 | S 10 | E 11 | E 11 | SSE 7 | SSE 10 |
Wave Graph  | ||||||||||||||||||
 kJ | 41 | 27 | 27 | 44 | 78 | 98 | 120 | 110 | 104 | 102 | 100 | 73 | 78 | 106 | 2 | 2 | 456 | 1064 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | off | off | off | cross-off | cross | on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross | cross | cross | cross |
High Tide | 3:19AM0.86m | 3:17PM1.24m | 4:28AM0.91m | 4:18PM1.28m | ||||||||||||||
Low Tide | 9:23PM0.48m | 8:25AM0.61m | 10:27PM0.44m | 9:41AM0.58m | ||||||||||||||
 | | | |  | | | | | | | | | | |  |  |  | |
 | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:47 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:49 | — | — | — | — | — | — | — | 5:49 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 |
Temp °C | 26 | 22 | 20 | 18 | 17 | 23 | 26 | 26 | 27 | 24 | 21 | 21 | 22 | 28 | 17 | 16 | 15 | 14 |
Feels °C | 23 | 17 | 16 | 14 | 13 | 19 | 22 | 23 | 22 | 19 | 16 | 15 | 17 | 23 | 12 | 11 | 10 | 10 |
Swell 1 Height (m) Direction Period (s) | S 9 | S 9 | S 9 | S 10 | S 10 | S 10 | S 10 | S 8 | S 7 | S 7 | S 10 | S 10 | S 10 | S 10 | NE 4 | NE 6 | S 11 | S 18 |
| kJ | 41 | 27 | 27 | 44 | 78 | 98 | 68 | 29 | 26 | 15 | 52 | 73 | 78 | 106 | 1 | 1 | 123 | 6 |
Swell 2 Height (m) Direction Period (s) | ESE 7 | ESE 7 | ESE 7 | SE 7 | S 5 | SSE 19 | SSE 19 | SSE 18 | SSE 18 | SSE 18 | SSE 17 | SSE 17 | SSE 16 | N 3 | E 11 | E 11 | NE 6 | — |
| kJ | 5 | 5 | 5 | 2 | 4 | 71 | 120 | 110 | 104 | 102 | 100 | 57 | 25 | 1 | 2 | 2 | 1 | — |
Swell 3 Height (m) Direction Period (s) | S 18 | S 18 | S 18 | S 18 | S 18 | E 11 | E 7 | S 10 | ENE 4 | S 11 | S 7 | NE 5 | ENE 4 | NE 4 | — | — | S 18 | — |
| kJ | 25 | 25 | 24 | 6 | 25 | 10 | 1 | 19 | 6 | 35 | 14 | 3 | 2 | 1 | — | — | 6 | — |
Wind waves Height (m) Direction Period (s) | — | WSW 3 | WSW 3 | SSW 4 | — | — | NNE 2 | NE 3 | — | — | NW 2 | NNW 2 | NW 3 | W 3 | S 4 | SSE 6 | SSE 7 | SSE 10 |
| kJ | — | 2 | 1 | 7 | — | — | 1 | 3 | — | — | 1 | 1 | 2 | 1 | 63 | 179 | 456 | 1064 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 1 | 2 | 1 | 1 | 0 | 1 | 24 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 140 | 610 | 344 | 386 |
Best forecast wave conditions in Sydney North Coast | ||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||
Header Global | ||||||||||||||||||
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