Surf Forecasts:
How big are the waves at Big Wave Bay today (13 Sep):
- Morning surf: Morning surf (13 Sep, local time) - 6ft (1.8m), 7s period with E swell.
- Afternoon surf: Afternoon surf (13 Sep, local time) - 4.5ft (1.3m), 7s period with E swell.
- Evening surf: Evening surf (13 Sep, local time) - 4ft (1.2m), 6s period with E swell.
The current surf forecast for Big Wave Bay at 1AM is: 2.3m 8s primary swell from a East direction and 0.1m 15s secondary swell from a East direction (forecast issued at 07:00pm September 12). An open ocean swell of 0.1m 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 (13 Sep) | 6ft (1.8m) | 7s |
| Afternoon (13 Sep) | 4.5ft (1.3m) | 7s |
| Evening (13 Sep) | 4ft (1.2m) | 6s |
Table - waves today at Big Wave Bay. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 24mm), heaviest during Sat night. Warm (max 28°C on Sat night, min 27°C on Sat night). Winds decreasing (strong winds from the ENE on Sat night, calm by Mon night). | |||||||||||||||||||
Sat 12 | Sunday 13 | Monday 14 | |||||||||||||||||
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 8 | E 7 | E 8 | E 8 | E 7 | E 7 | E 7 | E 7 | E 7 | E 6 | E 6 | E 6 | E 6 | E 4 | E 4 | E 5 | E 6 | E 6 | E 6 |
Wave Graph  | |||||||||||||||||||
 kJ | 280 | 557 | 653 | 585 | 448 | 337 | 232 | 149 | 124 | 106 | 86 | 52 | 30 | 17 | 41 | 40 | 85 | 33 | 43 |
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 | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | glassy |
High Tide | 10:05PM1.25m | 10:03AM1.38m | 10:03PM1.37m | 10:35AM1.20m | 10:07PM1.48m | ||||||||||||||
Low Tide | 3:35PM0.33m | 3:38AM0.38m | 4:00PM0.43m | 4:27AM0.33m | 4:24PM0.53m | ||||||||||||||
 |  | | | |  | | | | | | |  |  | | | | | | |
 | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | 6:30 | — | — | — | — | — | — | — | 6:29 | — | — | — | — | — | — | — | 6:28 | — | — |
mm | — | 3 | 2 | 1 | 2 | 2 | 1 | 3 | 1 | 1 | 1 | 2 | — | — | — | — | — | 2 | 1 |
Temp °C | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 27 |
Feels °C | 28 | 26 | 25 | 25 | 26 | 26 | 26 | 29 | 29 | 29 | 30 | 30 | 29 | 28 | 29 | 31 | 31 | 32 | 31 |
Swell 1 Height (m) Direction Period (s) | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | SSE 6 | SSE 6 | SSE 6 | S 8 | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 | E 6 | E 6 | S 7 |
| kJ | 1 | 1 | 1 | 1 | 1 | 1 | 3 | 11 | 11 | 40 | 53 | 69 | 69 | 50 | 48 | 34 | 39 | 33 | 23 |
Swell 2 Height (m) Direction Period (s) | — | — | E 15 | E 15 | E 15 | E 15 | S 9 | S 8 | S 8 | E 14 | E 14 | E 14 | E 10 | E 10 | E 10 | E 10 | S 7 | S 7 | E 14 |
| kJ | — | — | 4 | 4 | 4 | 4 | 1 | 5 | 20 | 4 | 4 | 4 | 2 | 2 | 2 | 2 | 34 | 33 | 4 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | S 7 | E 15 | E 14 | — | E 10 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | — |
| kJ | — | — | — | — | — | — | 1 | 4 | 4 | — | 2 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | — |
Wind waves Height (m) Direction Period (s) | E 8 | E 7 | E 8 | E 8 | E 7 | E 7 | E 7 | E 7 | E 7 | E 6 | E 6 | E 6 | E 6 | E 4 | E 4 | E 5 | E 6 | — | E 6 |
| kJ | 280 | 557 | 653 | 585 | 448 | 337 | 232 | 149 | 124 | 106 | 86 | 52 | 30 | 17 | 41 | 40 | 85 | — | 43 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 1043 | 803 | 803 | 803 | 161 | 161 | 804 | 804 | 832 | 803 | 803 | 803 | 272 | 161 | 144 | 670 | 1043 | 803 | 803 |
Best forecast wave conditions in Hong Kong | |||||||||||||||||||
Best forecast wave conditions in China | |||||||||||||||||||
Header Global | |||||||||||||||||||
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