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Big Wave Bay surfForecast / Hong Kong / China
48hr Weather and Surf, issued 7 am Tuesday 19 May 2026 HKTForecast update in hr min s Forecast update imminent
Big Wave Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Big Wave Bay sea temperature is
26.1° C
(Which is slightly cooler than normal)How big are the waves at Big Wave Bay today?
The current surf forecast for Big Wave Bay at 10AM is: 1.0m 7s primary swell from a East-southeast direction and 0.4m 9s secondary swell from a East-southeast direction (forecast issued at 07:00am May 19). An open ocean swell of 0.4m 6s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (HKT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 May) | 3.5ft (1.0m) | 7s |
| Afternoon (19 May) | 3ft (0.9m) | 6s |
| Evening (19 May) | 2.5ft (0.8m) | 6s |
Table - waves today at Big Wave Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 21mm), heaviest during Wed night. Warm (max 28°C on Thu morning, min 25°C on Tue morning). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 19 | Wednesday 20 | Thursday 21 | Fri 22 | |||||||||||||||||||||
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 | 2 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
ESE 7 | ESE 7 | ESE 7 | ESE 6 | ESE 6 | ESE 6 | SE 5 | SE 5 | ESE 6 | SE 5 | ESE 5 | ESE 5 | E 9 | E 9 | ESE 10 | ESE 10 | ESE 10 | E 9 | ESE 10 | ESE 10 | ESE 11 | ESE 10 | ESE 10 | ESE 10 | |
108 | 88 | 83 | 62 | 65 | 44 | 30 | 29 | 17 | 20 | 9 | 9 | 6 | 7 | 10 | 10 | 10 | 6 | 9 | 9 | 22 | 22 | 20 | 20 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | on | on | on | cross-on | on | on | on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | on | cross-on | on | cross-on | cross | off | cross-off | cross | cross-on | |
High Tide | 9:15AM2.10m | 10:00AM2.05m | 10:45AM1.94m | |||||||||||||||||||||
Low Tide | 2:49AM0.79m | 5:36PM-0.14m | 6:33PM-0.07m | 7:31PM0.04m | ||||||||||||||||||||
 |  | |  |  |  |  | | | |  | |  | |  | |  | | | | | | | | |
 | 5:41 | — | — | — | — | — | — | — | 5:41 | — | — | — | — | — | — | — | 5:41 | — | — | — | — | — | — | 5:41 |
 | — | — | — | — | 6:57 | — | — | — | — | — | — | — | 6:57 | — | — | — | — | — | — | — | 6:57 | — | — | 6:58 |
1 | 1 | 1 | 1 | — | — | — | — | — | — | 1 | 1 | — | 1 | — | — | 4 | 4 | 3 | 3 | 1 | — | — | — | |
Temp °C | 26 | 25 | 26 | 26 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 28 | 28 | 26 | 26 | 26 | 26 |
28 | 27 | 28 | 28 | 29 | 29 | 29 | 30 | 29 | 29 | 27 | 27 | 26 | 29 | 30 | 30 | 30 | 30 | 31 | 29 | 29 | 30 | 29 | 30 | |
Swell 1 Height (m) Direction Period (s) | SSW 6 | SW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | ESE 6 | SE 5 | SSW 6 | ESE 5 | ESE 5 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | S 6 | S 7 | S 7 | S 7 | S 7 |
 kJ | 12 | 10 | 15 | 14 | 12 | 14 | 21 | 15 | 17 | 20 | 22 | 9 | 5 | 38 | 29 | 30 | 31 | 33 | 33 | 41 | 56 | 45 | 44 | 56 |
Swell 2 Height (m) Direction Period (s) | — | — | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | SSW 6 | ESE 5 | E 9 | SSE 4 | ESE 5 | ESE 5 | ESE 5 | ESE 4 | ESE 4 | ESE 10 | ESE 10 | ESE 11 | ESE 10 | ESE 10 | ESE 10 |
| kJ | — | — | 27 | 26 | 17 | 9 | 8 | 9 | 8 | 15 | 9 | 6 | 2 | 5 | 5 | 2 | 2 | 2 | 9 | 9 | 22 | 22 | 20 | 20 |
Swell 3 Height (m) Direction Period (s) | — | — | ENE 6 | E 6 | E 6 | E 6 | E 6 | E 6 | — | ESE 9 | SSE 4 | SE 11 | E 9 | E 9 | ESE 10 | ESE 10 | ESE 10 | E 9 | ESE 4 | SE 11 | — | — | — | — |
| kJ | — | — | 4 | 1 | 1 | 1 | 1 | 1 | — | 8 | 4 | 4 | 6 | 7 | 10 | 10 | 10 | 6 | 2 | 5 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | ESE 7 | ESE 7 | ESE 7 | ESE 6 | ESE 6 | ESE 6 | SE 5 | SE 5 | S 6 | — | — | SSW 6 | SSW 6 | — | — | — | — | SSW 7 | — | SSW 7 | SSW 7 | — | — | — |
| kJ | 108 | 88 | 83 | 62 | 65 | 44 | 30 | 29 | 27 | — | — | 34 | 34 | — | — | — | — | 78 | — | 79 | 64 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 740 | 740 | 740 | 683 | 656 | 619 | 670 | 670 | 656 | 670 | 683 | 683 | 820 | 683 | 683 | 619 | 683 | 683 | 670 | 670 | 144 | 581 | 43 | 6 |
Best forecast wave conditions in Hong Kong | ||||||||||||||||||||||||
Best forecast wave conditions in China | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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