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Big Wave Bay surfForecast / Hong Kong / China
48hr Weather and Surf, issued 1 am Friday 15 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
25.5° C
(Which is 1.1°C colder than average for this time of year)How big are the waves at Big Wave Bay today?
The current surf forecast for Big Wave Bay at 7AM is: 0.3m 9s primary swell from a East-southeast direction (forecast issued at 01:00am May 15). An open ocean swell of 0.6m 6s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (HKT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 May) | 1ft (0.3m) | 9s |
| Afternoon (15 May) | 2.5ft (0.8m) | 4s |
| Evening (15 May) | 4.5ft (1.4m) | 5s |
Table - waves today at Big Wave Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 89mm), heaviest during Sat morning. Warm (max 27°C on Fri afternoon, min 23°C on Sat morning). Mainly strong winds. | ||||||||||||||||||||||||
Friday 15 | Saturday 16 | Sunday 17 | ||||||||||||||||||||||
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 | 11 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
ESE 9 | ESE 9 | ESE 9 | E 10 | E 4 | E 10 | E 5 | E 6 | E 6 | E 6 | E 7 | E 7 | E 7 | E 7 | E 8 | E 8 | SE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 7 | E 7 | ESE 8 | ESE 8 | |
29 | 29 | 17 | 49 | 17 | 49 | 110 | 138 | 184 | 318 | 481 | 524 | 587 | 654 | 515 | 249 | 318 | 257 | 273 | 264 | 322 | 494 | 592 | 589 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | 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 | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 6:54AM1.61m | 8:39PM1.03m | 7:21AM1.80m | 9:59PM0.96m | 7:55AM1.96m | |||||||||||||||||||
Low Tide | 00:43AM0.50m | 1:57PM0.18m | 1:18AM0.60m | 2:51PM0.00m | 1:50AM0.68m | 3:45PM-0.12m | ||||||||||||||||||
 |  |  | | | | | | |  |  |  | | | |  | | |  |  | | | | | |
 | — | 5:43 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:41 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:55 | — | — |
— | 3 | 1 | 1 | 1 | 1 | 2 | 1 | 3 | 6 | 10 | 17 | 17 | 6 | 9 | 3 | 1 | 1 | 1 | — | 1 | 1 | 2 | 2 | |
Temp °C | 27 | 26 | 26 | 26 | 27 | 26 | 25 | 25 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 23 | 24 | 24 | 25 | 24 | 24 | 24 | 25 |
32 | 30 | 28 | 26 | 28 | 27 | 25 | 25 | 23 | 22 | 19 | 18 | 19 | 19 | 21 | 26 | 24 | 24 | 20 | 24 | 20 | 21 | 22 | 25 | |
Swell 1 Height (m) Direction Period (s) | SSW 5 | S 6 | S 6 | SSW 6 | SSW 6 | SSW 6 | SW 6 | SW 6 | SW 6 | SSW 5 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | E 8 | S 6 | E 8 | S 7 | S 7 | S 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 |
 kJ | 23 | 23 | 23 | 17 | 18 | 12 | 8 | 8 | 8 | 9 | 10 | 13 | 13 | 13 | 441 | 79 | 270 | 163 | 117 | 97 | 51 | 41 | 29 | 19 |
Swell 2 Height (m) Direction Period (s) | ESE 9 | ESE 9 | ESE 9 | E 10 | ESE 9 | E 10 | E 10 | ESE 10 | S 4 | SSE 4 | — | — | — | — | — | SSW 6 | — | — | — | — | — | — | — | — |
| kJ | 29 | 29 | 17 | 49 | 17 | 49 | 49 | 32 | 2 | 2 | — | — | — | — | — | 90 | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | SE 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | E 3 | E 4 | E 4 | E 5 | E 6 | E 6 | E 6 | E 7 | E 7 | E 7 | E 7 | E 7 | E 8 | SE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 7 | E 7 | ESE 8 | ESE 8 |
| kJ | — | — | — | 11 | 14 | 35 | 110 | 138 | 184 | 318 | 481 | 524 | 587 | 654 | 515 | 249 | 318 | 257 | 273 | 264 | 322 | 494 | 592 | 589 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 670 | 581 | 656 | 1056 | 1056 | 1056 | 1043 | 1043 | 1043 | 656 | 619 | 1056 | 1056 | 1056 | 803 | 619 | 619 | 803 | 619 | 1056 | 1056 | 1677 | 803 | 803 |
Best forecast wave conditions in Hong Kong | ||||||||||||||||||||||||
Best forecast wave conditions in China | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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