Surf Forecasts:
Big Wave Bay surf forecast from 15 Sep 2026:
- Most powerful swell: Wednesday 16 Sep, 8PM (local time) - 5ft (1.5m), 7s period, E swell with 236 kJ wave energy.
Best Forecast Surf Conditions for Big Wave Bay this week:
The most powerful waves expected at Big Wave Bay in the next 16 days are 1.5m 7s and forecast to arrive on Wednesday (Sep 16) at 8PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.2m 7s period and expected on Wednesday (Sep 16) at 5AM.
| Wave Type | Time (HKT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 8PM (Wed 16th Sep) | 5ft (1.5m) 7s |
Table - best surf conditions forecast for Big Wave Bay over the next 16 days.
The Lowdown
Alright folks, Rusty here with the outlook for Big Wave Bay.
Honestly, it’s a pretty grim stretch for paddle surfing over the next week or so. The whole first week is a write-off. We’ve got persistent easterly winds, mostly in the 9–19 mph range, blowing straight across the face of any swell that shows up. The water is sitting at about 83°F, which is pretty normal for this time of year. The wave energy in the water right now is weak, barely registering above 170 (combined swell energy) at its best, and it drops off a cliff from there. The swell is short-period, 6 to 7 seconds, with heights struggling to hit 5ft, and the winds are keeping it choppy and lumpy. There’s just nothing to get excited about.
From the 27th of September, we finally see a change. The wind starts to swing offshore from the west-southwest, and we get some clean morning conditions. The surf, though, is still pretty small through the 27th, only around 2ft. The real tease comes on the 28th of September. Overnight, the swell direction shifts and we get a long-period groundswell coming in from the southeast. The swell height is around 4ft with a super long period of 15–16 seconds, and the combined energy of all swells surges right up to 805. That's some serious grunt. However, the wind on the 28th goes light cross-on and cross-shore, which isn’t ideal, and the surf is still being called marginal for conditions. That long period will hold up well, so the wait for a clean set could be long, but the shape on a sandbar could be okay. For the absolute best chance, look at the morning of the 29th of September. The wind goes clean offshore from the west, but the swell drops right back to a tiny 1ft. It’s surfable, but very ordinary.
If you’re keen on getting wet, your one standout window is absolutely that Monday, the 28th of September. It’s not perfect, but that's the only day with any real size and power. Otherwise, hold tight.
Rusty.
Short Range ForecastMostly dry. Warm (max 27°C on Wed morning, min 26°C on Wed night). Mainly fresh winds. | Days 4-6 Weather SummaryLight rain (total 2mm), mostly falling on Mon morning. Warm (max 28°C on Sun afternoon, min 26°C on Sat morning). Wind will be generally light. | ||||||||||||||||||||
Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | E 6 | E 7 | E 6 | E 6 | E 7 | E 7 | E 6 | E 6 | E 6 | E 6 | E 6 | ESE 6 | E 7 | E 6 | E 6 | ESE 6 | ESE 5 | ESE 5 | E 7 | E 5 | E 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 170 | 200 | 143 | 170 | 173 | 145 | 123 | 132 | 106 | 78 | 71 | 55 | 71 | 27 | 15 | 10 | 7 | 9 | 32 | 20 | 74 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | 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 | cross-on | cross-on | cross-on | cross-on |
High Tide | 11:05AM0.88m | 10:49PM1.61m | 11:20AM0.76m | 11:21PM1.62m | 11:43AM0.67m | 00:00AM1.59m | 12:15PM0.59m | 00:49AM1.54m | 1:04PM0.53m | 1:51AM1.48m | 8:47PM0.94m | 8:40PM0.95m | |||||||||
Low Tide | 5:03PM0.70m | 6:59AM0.38m | 7:59AM0.43m | 9:08AM0.47m | 2:19PM0.56m | 10:26AM0.47m | 2:35PM0.52m | 11:36AM0.42m | 9:17PM0.94m | 12:27PM0.37m | 10:58PM0.88m | ||||||||||
 | |  |  | | | | |  | | | | | | |  | |  | | | | |
 | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:11 | — | — | 6:11 | — | — |
 | — | 6:25 | — | — | 6:24 | — | — | 6:23 | — | — | 6:22 | — | — | 6:22 | — | — | 6:21 | — | — | 6:20 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 1 | 4 | — | — |
Temp °C | 27 | 27 | 26 | 27 | 27 | 26 | 26 | 27 | 26 | 27 | 27 | 27 | 27 | 28 | 27 | 27 | 28 | 27 | 27 | 27 | 27 |
Feels °C | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 27 | 26 | 27 | 27 | 29 | 29 | 30 | 30 | 31 | 31 | 30 | 29 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | SSW 6 | SW 6 | S 6 | S 5 | — | — | E 11 | — | — | — | — | ESE 6 | ESE 7 | E 11 | E 6 | E 10 | E 6 | ESE 5 | S 6 | S 6 | S 6 |
| kJ | 4 | 1 | 1 | 1 | — | — | 2 | — | — | — | — | 55 | 47 | 2 | 15 | 2 | 3 | 9 | 1 | 1 | 1 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | E 7 | — | S 8 | S 7 | S 6 | E 8 | E 8 | S 6 | E 10 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 28 | — | 1 | 1 | 1 | 1 | 1 | 1 | 2 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | E 10 | E 6 | E 10 | S 6 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 1 | 2 | 1 | — | — | — |
Wind waves Height (m) Direction Period (s) | E 6 | E 7 | E 6 | E 6 | E 7 | E 7 | E 6 | E 6 | E 6 | E 6 | E 6 | — | E 7 | E 6 | — | ESE 6 | ESE 5 | — | E 7 | E 5 | E 7 |
| kJ | 170 | 200 | 143 | 170 | 173 | 145 | 123 | 132 | 106 | 78 | 71 | — | 71 | 27 | — | 10 | 7 | — | 32 | 20 | 74 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1056 | 803 | 581 | 814 | 877 | 581 | 929 | 805 | 161 | 832 | 928 | 581 | 670 | 936 | 581 | 670 | 1043 | 803 | 832 | 928 | 581 |
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.
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 16 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.
Nearest