Surf Forecasts:
How big are the waves at Big Wave Bay today (20 Jul):
- Afternoon surf: Afternoon surf (20 Jul, local time) - 0.5ft (0.1m), 9s period with E swell.
- Evening surf: Evening surf (20 Jul, local time) - 0.5ft (0.1m), 9s period with E swell.
The current surf forecast for Big Wave Bay at 12AM is: 0.1m 9s primary swell from a East direction (forecast issued at 07:00pm July 19). An open ocean swell of 0.9m 7s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HKT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Jul) | - | - |
| Afternoon (20 Jul) | 0.5ft (0.1m) | 9s |
| Evening (20 Jul) | 0.5ft (0.1m) | 9s |
Table - waves today at Big Wave Bay. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 13mm), heaviest on Sun night. Warm (max 29°C on Mon morning, min 27°C on Tue night). Wind will be generally light. | |||||||||||||||||||
Sun 19 | Monday 20 | Tuesday 21 | |||||||||||||||||
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 9 | E 9 | E 9 | E 9 | E 8 | E 8 | E 8 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 |
Wave Graph  | |||||||||||||||||||
 kJ | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
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 | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on |
High Tide | 2:12AM1.10m | 11:44AM1.25m | 2:32AM1.20m | 12:08PM1.04m | |||||||||||||||
Low Tide | 6:48PM0.32m | 6:44AM0.71m | 7:16PM0.44m | 7:54AM0.70m | 7:42PM0.55m | ||||||||||||||
 |  | |  | | | |  | | |  | | | | |  | |  | | |
 | — | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — |
 | 7:08 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — |
mm | 1 | 1 | 1 | — | 2 | 1 | 1 | — | 1 | — | — | — | — | 1 | 1 | — | — | — | — |
Temp °C | 29 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 28 |
Feels °C | 32 | 31 | 31 | 31 | 31 | 31 | 32 | 31 | 32 | 31 | 31 | 32 | 32 | 31 | 31 | 30 | 31 | 32 | 32 |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 9 | S 7 | S 7 | E 8 | E 9 | E 9 | S 7 | S 7 | S 7 | E 9 | E 9 | E 9 | E 9 | E 9 | S 7 | S 7 |
| kJ | 2 | 2 | 1 | 1 | 72 | 69 | 1 | 1 | 2 | 89 | 92 | 92 | 2 | 2 | 2 | 2 | 2 | 70 | 70 |
Swell 2 Height (m) Direction Period (s) | E 7 | — | — | — | E 8 | E 8 | — | — | — | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 |
| kJ | 1 | — | — | — | 1 | 1 | — | — | — | 2 | 2 | 2 | 2 | 1 | 2 | 2 | 2 | 2 | 2 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | S 7 | S 7 | S 7 | S 7 | — | S 7 | S 7 | S 7 | S 7 | SSW 7 | — | — | S 7 | S 7 | S 7 | S 7 | S 7 | — | — |
| kJ | 74 | 74 | 72 | 72 | — | 92 | 69 | 70 | 70 | 139 | — | — | 74 | 74 | 71 | 70 | 86 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 1441 | 845 | 683 | 683 | 683 | 683 | 683 | 683 | 683 | 670 | 670 | 581 | 670 | 670 | 683 | 683 | 1449 | 683 | 670 |
Best forecast wave conditions in Hong Kong | |||||||||||||||||||
Best forecast wave conditions in China | |||||||||||||||||||
Header Global | |||||||||||||||||||
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