Surf Forecasts:
How big are the waves at Big Wave Bay today (31 Aug):
- Afternoon surf: Afternoon surf (31 Aug, local time) - 1ft (0.3m), 3s period with NNW swell.
The current surf forecast for Big Wave Bay at 1PM is: 0.3m 3s primary swell from a North-northwest direction (forecast issued at 07:00am August 31). An open ocean swell of 1.3m 9s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HKT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Aug) | - | - |
| Afternoon (31 Aug) | 1ft (0.3m) | 3s |
| Evening (31 Aug) | - | - |
Table - waves today at Big Wave Bay. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 20mm), heaviest during Mon afternoon. Warm (max 31°C on Wed afternoon, min 26°C on Mon afternoon). Winds increasing (calm on Mon night, fresh winds from the N by Wed morning). | |||||||||||||||||||||||
Monday 31 | Tuesday 1 | Wednesday 2 | |||||||||||||||||||||
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) | S 8 | S 9 | S 9 | NNW 3 | S 9 | S 9 | S 9 | NE 5 | E 5 | NE 5 | NE 5 | NE 5 | ENE 3 | ENE 4 | NE 5 | E 5 | S 10 | S 11 | E 9 | E 8 | E 8 | E 7 | E 7 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 3 | 35 | 56 | 12 | 0 | 0 | 2 | 1 | 1 | 1 | 1 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | glassy | cross | glassy | glassy | glassy | cross-off | glassy | cross-off | cross-off | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off |
High Tide | 9:58AM1.43m | 10:21PM1.37m | 10:36AM1.27m | 10:50PM1.51m | 11:17AM1.08m | ||||||||||||||||||
Low Tide | 4:26AM0.43m | 4:54PM0.40m | 5:19AM0.38m | 5:20PM0.50m | 6:16AM0.35m | 5:44PM0.61m | |||||||||||||||||
 |  | | |  |  | |  | |  |  | | | |  | | |  | | | | | | |
 | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — |
 | — | — | — | — | 6:40 | — | — | — | — | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:38 | — | — |
mm | 1 | — | — | — | 7 | 2 | 2 | — | — | 1 | — | 1 | 2 | 4 | 1 | — | — | — | — | — | — | — | — |
Temp °C | 27 | 27 | 28 | 28 | 26 | 26 | 26 | 27 | 27 | 27 | 29 | 29 | 29 | 28 | 27 | 27 | 26 | 27 | 29 | 31 | 30 | 28 | 27 |
Feels °C | 31 | 31 | 32 | 32 | 32 | 31 | 31 | 31 | 32 | 30 | 30 | 31 | 31 | 29 | 28 | 27 | 24 | 25 | 27 | 30 | 29 | 26 | 25 |
Swell 1 Height (m) Direction Period (s) | S 8 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 10 | S 10 | S 10 | S 10 | S 10 | S 11 | S 11 | S 10 | S 11 | S 10 | S 10 | S 10 | S 9 | S 9 |
| kJ | 201 | 210 | 251 | 288 | 282 | 282 | 276 | 225 | 258 | 363 | 417 | 590 | 687 | 687 | 785 | 577 | 424 | 381 | 320 | 165 | 125 | 139 | 101 |
Swell 2 Height (m) Direction Period (s) | — | — | — | NNW 3 | — | — | — | NE 5 | E 5 | — | — | — | — | — | — | E 5 | — | W 5 | W 5 | SSE 8 | SSE 8 | E 7 | — |
| kJ | — | — | — | 2 | — | — | — | 1 | 1 | — | — | — | — | — | — | 12 | — | 1 | 1 | 37 | 44 | 1 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | E 9 | E 8 | E 8 | — | E 7 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 1 | 1 | — | 1 |
Wind waves Height (m) Direction Period (s) | N 2 | NNE 2 | NNW 2 | — | — | — | — | — | — | NE 5 | NE 5 | NE 5 | ENE 3 | ENE 4 | NE 5 | N 4 | N 5 | N 5 | N 5 | N 4 | N 4 | N 4 | NNW 4 |
| kJ | 1 | 1 | 1 | — | — | — | — | — | — | 1 | 1 | 1 | 3 | 35 | 56 | 33 | 70 | 80 | 53 | 25 | 21 | 35 | 29 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 40 | 161 | 581 | 161 | 40 | 161 | 161 | 161 | 619 | 819 | 619 | 619 | 40 |
Best forecast wave conditions in Hong Kong | |||||||||||||||||||||||
Best forecast wave conditions in China | |||||||||||||||||||||||
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