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Surf Forecasts:
Big Wave Bay surfForecast / Hong Kong / China
48hr Weather and Surf, issued 7 pm Sunday 07 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 9PM is: 1.5m 10s primary swell from a East-southeast direction (forecast issued at 07:00pm December 07). The wind direction is predicted to be cross-onshore.
| Time (HKT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 Dec) | - | - |
| Afternoon (07 Dec) | 5ft (1.6m) | 7s |
| Evening (07 Dec) | 5ft (1.5m) | 10s |
Table - waves today at Big Wave Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 07 | Monday 08 | Tuesday 09 | Wednesday 10 | |||||||||||||||||||||
| 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) (?) | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 270 | 391 | 399 | 351 | 697 | 687 | 348 | 336 | 294 | 281 | 483 | 841 | 999 | 861 | 670 | 1085 | 698 | 850 | 1178 | 1178 | 1065 | 896 | 742 | 1124 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross | cross- on | cross | cross- off | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross |
High Tide / height (m) | 9:24PM 2.09 | 10:08PM 1.98 | 10:49PM 1.82 | |||||||||||||||||||||
Low Tide / height (m) | 2:36PM 0.80 | 5:49AM -0.10 | 6:40AM 0.01 | 7:26AM 0.13 | ||||||||||||||||||||
Sunday 07 | Monday 08 | Tuesday 09 | Wednesday 10 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:48 | - | - | - | - | - | - | - | 6:50 | - | - | - | - | - | - | - | 6:50 | - | - |
| Sunset | 5:38 | - | - | - | - | - | - | - | 5:38 | - | - | - | - | - | - | - | 5:38 | - | - | - | - | - | - | - |
 |  | |  |  |  | | | | | | | | |  | | | | |  | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - |
| Temp. °C | 21 | 21 | 21 | 21 | 20 | 20 | 22 | 23 | 23 | 21 | 20 | 19 | 19 | 18 | 20 | 20 | 20 | 20 | 19 | 19 | 18 | 18 | 19 | 19 |
| Feels °C (?) | 21 | 20 | 21 | 20 | 19 | 18 | 20 | 20 | 21 | 19 | 16 | 13 | 15 | 17 | 17 | 17 | 17 | 17 | 14 | 14 | 14 | 15 | 17 | 17 |
- 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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