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Surf Forecasts:
Big Wave Bay surfForecast / Hong Kong / China
48hr Weather and Surf, issued 1 am Tuesday 21 Apr 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
25.5° C
(Which is 1.2°C warmer than normal for this time of year)How big are the waves at Big Wave Bay today?
The current surf forecast for Big Wave Bay at 8AM is: 0.2m 11s primary swell from a East-southeast direction and 0.1m 15s secondary swell from a Southeast direction, 0.3m 3s secondary swell from a South-southeast direction (forecast issued at 01:00am April 21). The wind direction is predicted to be onshore.
| Time (HKT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Apr) | 0.5ft (0.2m) | 11s |
| Afternoon (21 Apr) | 0.5ft (0.1m) | 14s |
| Evening (21 Apr) | 1.5ft (0.4m) | 4s |
Table - waves today at Big Wave Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 21 | Wednesday 22 | Thursday 23 | ||||||||||||||||||||||
| 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 | 5 PM | 8 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 12 | 11 | 14 | 14 | 14 | 4 | 8 | 13 | 12 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 29 | 28 | 13 | 12 | 8 | 7 | 18 | 7 | 7 | 7 | 12 | 12 | 19 | 20 | 21 | 21 | 20 | 20 | 20 | 13 | 12 | 12 | 7 | 7 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | cross- on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross | cross | cross- off | cross- off | cross- off | cross | cross- off | off |
High Tide / height (m) | 1:43AM 0.83 | 10:13AM 1.98 | 10:55AM 1.93 | 11:41AM 1.83 | ||||||||||||||||||||
Low Tide / height (m) | 3:57AM 0.78 | 6:37PM -0.01 | 7:41PM 0.07 | |||||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | ||||||||||||||||||||||
| Sunrise | - | - | - | 5:58 | - | - | - | - | - | - | - | 5:58 | - | - | - | - | - | - | - | 5:56 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:45 | - | - | - | - | - | - | - | 6:45 | - | - | - | - | - | - | - | 6:45 | - |
 |  | |  | | |  | | | | | | | |  |  |  | | | | |  |  | | |
Rain (mm) | 1 | - | 1 | 2 | 2 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - |
| Temp. °C | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 27 | 26 | 26 | 26 | 27 | 27 | 26 | 26 |
| Feels °C (?) | 27 | 27 | 28 | 27 | 26 | 27 | 27 | 27 | 28 | 28 | 27 | 27 | 28 | 27 | 27 | 27 | 27 | 26 | 29 | 28 | 28 | 28 | 28 | 28 |
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Big Wave Bay surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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