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Surf Forecasts:
Big Wave Bay surfForecast / Hong Kong / China
48hr Weather and Surf, issued 1 pm Thursday 30 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
25.3° 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 8PM is: 0.5m 7s primary swell from a East direction and 0.5m 6s secondary swell from a East direction (forecast issued at 01:00pm April 30). An open ocean swell of 0.1m 5s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HKT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Apr) | 1.5ft (0.4m) | 6s |
| Afternoon (30 Apr) | 1.5ft (0.4m) | 6s |
| Evening (30 Apr) | 1.5ft (0.5m) | 7s |
Table - waves today at Big Wave Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Fri night. Warm (max 26°C on Sun morning, min 22°C on Thu afternoon). Winds decreasing (fresh winds from the ENE on Fri morning, light winds from the ESE by Sun morning). | ||||||||||||||||||||||||
Thu 30 | Friday 1 | Saturday 2 | Sun 3 | |||||||||||||||||||||
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 | 5 AM | 8 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
ESE 7 | ESE 7 | ESE 6 | E 7 | E 7 | E 8 | E 7 | E 6 | E 6 | E 6 | E 6 | E 6 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | ESE 7 | ESE 7 | ESE 7 | |
15 | 15 | 13 | 23 | 24 | 18 | 67 | 95 | 123 | 175 | 153 | 141 | 145 | 154 | 157 | 134 | 159 | 150 | 155 | 186 | 155 | 111 | 89 | 70 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | 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 | cross | cross-on | |
High Tide | 9:11PM1.08m | 8:07AM1.55m | 10:03PM1.00m | 8:08AM1.65m | 10:58PM0.93m | |||||||||||||||||||
Low Tide | 1:38AM0.60m | 2:53PM0.25m | 2:06AM0.66m | 3:35PM0.17m | 2:32AM0.72m | |||||||||||||||||||
 |  |  |  | | | | | | | |  |  | |  | | | | | | | | | | |
 | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — |
 | — | — | 6:47 | — | — | — | — | — | — | — | 6:49 | — | — | — | — | — | — | — | 6:49 | — | — | — | — | 6:49 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | |
Temp °C | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 |
20 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 21 | 21 | 22 | 23 | 24 | 25 | 25 | 24 | 24 | 25 | 25 | 26 | 28 | 29 | 29 | 28 | |
Swell 1 Height (m) Direction Period (s) | ESE 7 | ESE 7 | ESE 6 | E 6 | E 7 | E 8 | SW 5 | SW 5 | SW 5 | S 5 | S 5 | — | — | — | — | — | — | — | — | E 7 | E 7 | ESE 7 | ESE 7 | ESE 7 |
 kJ | 15 | 15 | 13 | 21 | 24 | 18 | 1 | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | 186 | 155 | 111 | 89 | 70 |
Swell 2 Height (m) Direction Period (s) | SSW 5 | SSW 5 | SSW 5 | SW 5 | SW 5 | ESE 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 2 | 3 | 2 | 1 | 1 | 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | NNW 3 | N 3 | — | SW 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 1 | 1 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | N 3 | NNE 3 | NNE 3 | E 7 | — | E 3 | E 7 | E 6 | E 6 | E 6 | E 6 | E 6 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | — | — | — | — | — |
| kJ | 6 | 3 | 2 | 23 | — | 1 | 67 | 95 | 123 | 175 | 153 | 141 | 145 | 154 | 157 | 134 | 159 | 150 | 155 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 928 | 1056 | 1427 | 928 | 928 | 656 | 581 | 938 | 1677 | 1056 | 1056 | 803 | 803 | 803 | 803 | 803 | 819 | 683 | 683 | 740 | 683 | 683 | 683 | 740 |
Best forecast wave conditions in Hong Kong | ||||||||||||||||||||||||
Best forecast wave conditions in China | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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