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Surf Forecasts:

Big Wave Bay surf break

Big Wave Bay surfForecast / Hong Kong / China

information circle12 Day Weather and Surf, issued 1 pm Friday 21 Nov 2025 HKT
Forecast 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
24.2° C
 (Which is slightly warmer than usual)

Best Forecast Surf Conditions for Big Wave Bay this week:

The surf forecast for Big Wave Bay over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Nov 21) at 11PM. The primary swell is predicted to be 1.7m and 9s period with a secondary swell of 1.3m and 9s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Big Wave Bay in the next 12 days are 3.0m 10s and forecast to arrive on Wednesday (Nov 26) at 8AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 4s period and expected on Tuesday (Nov 25) at 2AM.

Wave TypeTime (HKT) & Date Wave Height & Period
Next good surf (1 star+)11PM (Fri 21st Nov)5.5ft (1.7m) 9s
Best Surf11PM (Fri 21st Nov)5.5ft (1.7m) 9s
Most Powerful 8AM (Wed 26th Nov)10ft (3.0m) 10s

Table - best surf conditions forecast for Big Wave Bay over the next 12 days.

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Mostly dry. Warm (max 23°C on Mon morning, min 18°C on Sat morning). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Warm (max 25°C on Mon afternoon, min 18°C on Tue morning). Winds decreasing (strong winds from the NNE on Mon night, light winds from the NE by Wed night).

Fri
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
2
0
0
0
0
0
0
1
0
0
0
0
0
0
2
0
0
0
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.2
E
1.7
E
2.5
E
1.9
E
1.8
E
1.5
E
1.3
ESE
1.3
ESE
1.2
ESE
1.2
ESE
1
ESE
1.1
ESE
1.3
ESE
1.9
E
2
ESE
1.8
ESE
1.6
ESE
1.4
ESE
1.1
ESE
1.2
ESE
1.6
ESE
Period(s) (?)9910109991099999910111111101010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2564971319669565380289289213203166193276593826730551415276288482
Wind
(km/h)
15
ENE
25
NE
10
NE
20
E
25
ENE
10
ENE
10
ESE
15
ENE
10
NE
10
NNE
40
NNE
30
NNE
15
E
30
ENE
15
ENE
15
E
10
NE
35
NNE
40
NNE
35
N
20
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscrosscross-
on		crosscrossoncrosscrosscross-
off		cross-
off		cross-
off		cross-
on		crosscross-
on		cross-
on		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off
High Tide
/ height (m)
8:03PM
1.82
12:43PM
0.82
8:35PM
1.86
9:11PM
1.86
9:50PM
1.85
10:32PM
1.80
11:17PM
1.73
12:08AM
1.62
Low Tide
/ height (m)
2:04PM
0.78
4:14AM
0.09
2:22PM
0.80
4:57AM
0.10
5:43AM
0.13
6:31AM
0.17
7:20AM
0.20
8:10AM
0.22
8:58AM
0.25
Fri
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Sunrise--6:39--6:39--6:39--6:41--6:41--6:41--6:43
Sunset5:37--5:37--5:37--5:37--5:37--5:37--5:37--
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
---------------------
Temp. °C212119202121222223252421242219202022232121
Feels °C (?)171616161720212121222014191916171813131214
  • 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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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.

View detailed surf forecast for Big Wave Bay at:
surf-forecast.com

Information about the Big Wave Bay Surf forecast

The above surf forecast table for Big Wave Bay provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Big Wave Bay can be found by selecting the local surf guide option on the grey menu. Our Big Wave Bay surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Big Wave Bay) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Big Wave Bay may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Are you planning a holiday in Hong Kong? If you are looking for accommodation near Big Wave Bay, camping, hotels and holiday cottages in Hong Kong, consider staying in Hong Kong which is 9 km (6 miles) away. Other places in and around Hong Kong where you can find information about places to rent, and car hire include Aberdeen which is 10 km (6 miles) away, Kowloon, Shenzhen and Yantian.

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