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Surf Forecasts:
Big Wave Bay surfForecast / Hong Kong / China
48hr Weather and Surf, issued 7 pm Tuesday 09 Dec 2025 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
21.7° 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 10PM is: 1.8m 10s primary swell from a East direction (forecast issued at 07:00pm December 09). The wind direction is predicted to be cross-shore.
| Time (HKT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Dec) | - | - |
| Afternoon (09 Dec) | 6ft (1.8m) | 10s |
| Evening (09 Dec) | 6ft (1.8m) | 10s |
Table - waves today at Big Wave Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 09 | Wednesday 10 | Thursday 11 | Friday 12 | |||||||||||||||||||||
| 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 | 5 AM | 8 AM | 11 AM | 2 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 6 | 7 | 8 | 8 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 602 | 602 | 589 | 627 | 553 | 484 | 442 | 739 | 337 | 287 | 281 | 243 | 203 | 164 | 160 | 160 | 157 | 153 | 229 | 266 | 495 | 767 | 1035 | 955 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross | cross- on | cross | cross | cross | cross | cross- on | cross- on | cross | cross | cross | cross | cross | cross- on | cross- on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 10:49PM 1.82 | 4:19PM 0.92 | 11:29PM 1.62 | 4:47PM 1.01 | 12:06AM 1.41 | |||||||||||||||||||
Low Tide / height (m) | 7:26AM 0.13 | 5:34PM 0.90 | 8:08AM 0.25 | 7:06PM 0.94 | 8:46AM 0.36 | |||||||||||||||||||
Tuesday 09 | Wednesday 10 | Thursday 11 | Friday 12 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:50 | - | - | - | - | - | - | - | 6:50 | - | - | - | - | - | - | - | 6:52 | - | - |
| Sunset | 5:38 | - | - | - | - | - | - | - | 5:38 | - | - | - | - | - | - | - | 5:39 | - | - | - | - | - | - | - |
 |  |  | | |  | | | | | | | | |  | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 19 | 19 | 19 | 19 | 18 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 21 | 21 | 22 | 22 | 21 | 21 | 20 | 19 | 19 | 18 | 18 | 18 |
| Feels °C (?) | 16 | 16 | 15 | 15 | 14 | 16 | 16 | 17 | 19 | 20 | 20 | 20 | 21 | 20 | 21 | 21 | 20 | 20 | 17 | 14 | 13 | 10 | 10 | 11 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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