- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
Big Wave Bay surfForecast / Hong Kong / China
48hr Weather and Surf, issued 7 pm Sunday 17 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
26.4° C
(Which is 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 3AM is: 1.8m 8s primary swell from a East-southeast direction (forecast issued at 07:00pm May 17). An open ocean swell of 0.3m 6s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HKT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 5ft (1.6m) | 8s |
| Afternoon (18 May) | 5ft (1.6m) | 7s |
| Evening (18 May) | 4.5ft (1.4m) | 7s |
Table - waves today at Big Wave Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 12mm), heaviest on Wed afternoon. Warm (max 27°C on Tue afternoon, min 25°C on Sun night). Winds decreasing (fresh winds from the E on Sun night, light winds from the SE by Tue night). | ||||||||||||||||||||||||
Sun 17 | Monday 18 | Tuesday 19 | Wed 20 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
E 7 | E 7 | E 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 5 | |
522 | 537 | 447 | 385 | 356 | 327 | 291 | 259 | 245 | 222 | 193 | 158 | 128 | 105 | 102 | 99 | 73 | 56 | 43 | 28 | 28 | 17 | 17 | 11 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | cross-on | cross | |
High Tide | 11:21PM0.89m | 8:34AM2.06m | 00:51AM0.83m | 9:15AM2.10m | 10:00AM2.05m | |||||||||||||||||||
Low Tide | 2:21AM0.75m | 4:40PM-0.17m | 2:49AM0.79m | 5:36PM-0.14m | ||||||||||||||||||||
 |  |  | | | | | | | | | |  | |  |  | | | | |  |  | | | |
 | — | — | — | — | 5:41 | — | — | — | — | — | — | — | 5:41 | — | — | — | — | — | — | — | 5:41 | — | — | — |
 | 6:55 | — | — | — | — | — | — | — | 6:55 | — | — | — | — | — | — | — | 6:57 | — | — | — | — | — | — | 6:57 |
— | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 1 | 1 | — | — | — | — | 1 | 1 | 2 | 3 | |
Temp °C | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 27 | 26 | 26 | 26 | 26 | 27 | 27 | 27 |
22 | 23 | 23 | 24 | 24 | 24 | 23 | 24 | 24 | 25 | 25 | 26 | 26 | 26 | 27 | 28 | 30 | 29 | 29 | 30 | 29 | 30 | 28 | 27 | |
Swell 1 Height (m) Direction Period (s) | SSW 7 | SSW 7 | SSW 6 | SSW 6 | SSW 7 | SSW 6 | SSW 7 | SSW 7 | SSW 7 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 5 |
 kJ | 15 | 9 | 8 | 8 | 9 | 8 | 9 | 18 | 15 | 14 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 8 | 8 | 28 | 28 | 17 | 17 | 11 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 6 | SSW 6 | ESE 9 | ESE 9 | SSW 7 | SW 7 | SSW 6 | SSW 6 | SSW 7 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 10 | 15 | 17 | 9 | 9 | 11 | 16 | 16 | 17 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NE 6 | NE 5 | E 6 | E 5 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | E 9 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 1 | 1 | 1 | 8 | 8 | 9 | 8 | 2 |
Wind waves Height (m) Direction Period (s) | E 7 | E 7 | E 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 6 | ESE 6 | ESE 6 | — | — | — | — | — |
| kJ | 522 | 537 | 447 | 385 | 356 | 327 | 291 | 259 | 245 | 222 | 193 | 158 | 128 | 105 | 102 | 99 | 73 | 56 | 43 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 803 | 803 | 619 | 619 | 581 | 803 | 928 | 1056 | 1043 | 619 | 581 | 740 | 683 | 683 | 819 | 619 | 670 | 619 | 619 | 656 | 656 | 683 | 619 | 813 |
Best forecast wave conditions in Hong Kong | ||||||||||||||||||||||||
Best forecast wave conditions in China | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
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.
Nearest