Big Wave Bay surf break

Big Wave Bay surfForecast / Hong Kong / China

information circle12 Day Weather and Surf, issued 7 pm Friday 12 Dec 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
21.6° C
(Which is normal for this time of year)


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 Saturday (Dec 13) at 11AM. The primary swell is predicted to be 1.4m and 8s period. 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 2.4m 9s and forecast to arrive on Friday (Dec 19) at 11AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 4s period and expected on Saturday (Dec 13) at 11PM.

Wave TypeTime (HKT) & Date Wave Height & Period
Next good surf (1 star+)11AM (Sat 13th Dec)4.5ft (1.4m) 8s
Best Surf11AM (Sat 13th Dec)4.5ft (1.4m) 8s
Most Powerful11AM (Fri 19th Dec)8ft (2.4m) 9s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 21°C on Sat morning, min 13°C on Sun morning). Mainly strong winds.

Days 3-6 Weather Summary Mostly dry. Warm (max 23°C on Wed afternoon, min 16°C on Tue morning). Wind will be generally light.

Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Fri
19
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
1
0
0
1
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
2
E
1.4
E
1.1
E
1
E
1.1
E
1.2
E
1.6
E
1.8
E
1.8
ESE
1.8
E
2.1
E
1.4
ESE
1.3
ESE
1.2
ESE
1.1
ESE
1.6
E
2.3
E
1.8
E
2
E
2.4
E
1.8
ESE
Period(s) (?)8888991099999888789999
Wave
Graph
(?)Metric surfscale
Energy kJ (?)529270169130203256470498540506691295221185153269751541690979544
Wind
(km/h)
35
ENE
5
N
40
NNE
20
N
10
NNE
15
NE
20
NE
30
ENE
30
ENE
30
ENE
15
ENE
15
E
15
NE
10
NE
10
E
25
ENE
15
ENE
20
E
30
ENE
20
ENE
15
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
off
cross-
off
cross-
off
cross-
off
crosscrosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscrosscross-
on
crosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
High Tide
/ height (m)
12:45AM
1.19
5:39PM
1.22
1:33AM
0.99
5:59PM
1.33
2:55AM
0.81
6:34AM
0.87
6:14PM
1.43
7:51AM
0.84
6:18PM
1.53
8:56AM
0.84
6:20PM
1.63
9:55AM
0.84
6:40PM
1.72
10:50AM
0.84
7:12PM
1.79
Low Tide
/ height (m)
8:37PM
0.92
9:20AM
0.46
10:04PM
0.84
9:53AM
0.54
11:21PM 3:29AM
0.70 0.81
10:27AM
0.61
12:24AM
0.54
11:02AM
0.68
1:15AM
0.40
11:38AM
0.73
2:00AM
0.27
12:15PM
0.77
2:42AM
0.18
12:51PM
0.79
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Fri
19
Sunrise-6:52--6:52--6:54--6:54--6:54--6:54--6:56-
Sunset--5:39--5:40--5:40--5:40--5:42--5:42--5:43
clear
part cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
Rain (mm)
---------------------
Temp. °C192120161619171617181719192223211819181819
Feels °C (?)15211781214121011131416172021191516151517
  • 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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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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