Surf Forecasts:
How big are the waves at Shek O today (19 Aug):
- Morning surf: Morning surf (19 Aug, local time) - 6ft (1.9m), 7s period with E swell.
- Afternoon surf: Afternoon surf (19 Aug, local time) - 6ft (1.9m), 7s period with E swell.
- Evening surf: Evening surf (19 Aug, local time) - 6ft (1.9m), 6s period with E swell.
The current surf forecast for Shek O at 7AM is: 1.8m 7s primary swell from a East direction (forecast issued at 01:00am August 19). An open ocean swell of 0.6m 8s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HKT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Aug) | 6ft (1.9m) | 7s |
| Afternoon (19 Aug) | 6ft (1.9m) | 7s |
| Evening (19 Aug) | 6ft (1.9m) | 6s |
Table - waves today at Shek O. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 58mm), heaviest during Thu morning. Warm (max 29°C on Wed morning, min 27°C on Wed night). Winds decreasing (strong winds from the ENE on Wed night, light winds from the SE by Thu afternoon). | ||||||||||||||||||||||||
Wednesday 19 | Thursday 20 | Friday 21 | ||||||||||||||||||||||
2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | E 7 | E 7 | E 6 | E 7 | E 7 | E 7 | E 7 | E 6 | E 6 | E 6 | E 6 | E 6 | ENE 6 | E 6 | S 10 | NE 5 | S 10 | S 10 | S 11 | S 11 | S 11 | S 10 | S 10 | S 11 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 280 | 278 | 302 | 321 | 374 | 319 | 309 | 253 | 207 | 235 | 200 | 146 | 56 | 23 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross |
High Tide | 11:52PM1.41m | 11:39AM0.88m | 00:19AM1.48m | 12:03PM0.75m | 5:53PM0.73m | 00:55AM1.51m | 12:34PM0.63m | |||||||||||||||||
Low Tide | 7:27AM0.53m | 6:30PM0.66m | 8:33AM0.54m | 2:49PM0.67m | 6:28PM0.73m | 9:46AM0.54m | 3:01PM0.58m | |||||||||||||||||
 | |  | | | | |  | | |  | | | |  | | | | | | | | | | |
 | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:51 | — | — | — | — | — | — | — | 6:51 | — | — | — | — | — | — | — | 6:50 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | 4 | 15 | 5 | 4 | 2 | 5 | 5 | 4 | 4 | 4 | 2 | 1 | 1 | — |
Temp °C | 28 | 28 | 28 | 29 | 29 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 29 | 28 | 28 |
Feels °C | 27 | 28 | 26 | 27 | 27 | 26 | 26 | 25 | 25 | 25 | 28 | 30 | 30 | 30 | 30 | 29 | 29 | 29 | 30 | 30 | 30 | 31 | 31 | 31 |
Swell 1 Height (m) Direction Period (s) | S 8 | S 8 | S 8 | S 8 | S 8 | S 10 | S 10 | S 10 | S 9 | S 10 | S 10 | S 9 | S 9 | S 10 | S 10 | S 10 | — | S 10 | S 11 | S 11 | S 11 | S 10 | S 10 | S 11 |
| kJ | 66 | 48 | 33 | 33 | 34 | 71 | 98 | 117 | 106 | 159 | 290 | 397 | 619 | 771 | 873 | 873 | — | 1177 | 1403 | 1429 | 1293 | 1122 | 1100 | 1165 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | S 11 | E 6 | E 6 | ENE 6 | E 6 | — | NE 5 | — | — | — | — | SW 11 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | 58 | 200 | 146 | 56 | 23 | — | 1 | — | — | — | — | 263 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | E 7 | E 7 | E 6 | E 7 | E 7 | E 7 | E 7 | E 6 | E 6 | E 6 | — | — | — | — | — | — | S 10 | — | — | — | — | — | — | — |
| kJ | 280 | 278 | 302 | 321 | 374 | 319 | 309 | 253 | 207 | 235 | — | — | — | — | — | — | 1039 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 580 | 580 | 580 | 580 | 580 | 580 | 580 | 580 | 580 | 580 | 580 | 580 | 580 | 672 | 682 | 672 | 162 | 162 | 162 | 823 | 833 | 842 | 833 | 833 |
Best forecast wave conditions in Hong Kong | ||||||||||||||||||||||||
Best forecast wave conditions in China | ||||||||||||||||||||||||
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