Surf Forecasts:
Big Wave Bay surf forecast from 7 Jul 2026:
- Best quality surf: Friday 10 Jul, 8AM (local time) - 4.5ft (1.3m), 18s period, ESE swell with glassy winds.
- Most powerful swell: Friday 10 Jul, 5PM (local time) - 4.5ft (1.4m), 18s period, SE swell with 1,292 kJ wave energy.
- Next surfable swell (1★+): Friday 10 Jul, 2AM (local time) - 4ft (1.2m), 18s period with SE swell.
Best Forecast Surf Conditions for Big Wave Bay this week:
The surf forecast for Big Wave Bay over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Jul 10) at 2AM. The primary swell is predicted to be 1.2m and 18s period. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Big Wave Bay in the next 16 days are 1.4m 18s and forecast to arrive on Friday (Jul 10) at 5PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.8m 7s period and expected on Sunday (Jul 12) at 5AM.
| Wave Type | Time (HKT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Fri 10th Jul) | 4ft (1.2m) 18s |
| Best Surf | 8AM (Fri 10th Jul) | 4.5ft (1.3m) 18s |
| Most Powerful | 5PM (Fri 10th Jul) | 4.5ft (1.4m) 18s |
Table - best surf conditions forecast for Big Wave Bay over the next 16 days.
Updates in hr min s Forecast update imminent
Alright, Rusty again, now in feet and miles. Big Wave Bay is looking mostly flat and pathetic over the next couple of weeks. The only real highlight is Friday morning July 10, and that’s it. From now (Tuesday, July 7) through Thursday the 9th, the swell is tiny – 0.3ft to 3ft – but the wind is cross, onshore, and messy, with combined energy under 621. Friday morning the 10th changes everything. The water temp is 83° – about average for this time of year.
Friday morning July 10: glassy conditions, dead calm, and a 5ft southeast swell with an 18-second period – that’s a long-period groundswell. Combined energy hits 1149 – strong. The wave report says “expect very good surf conditions.” Big Wave Bay is a beginner-friendly, sheltered spot that’s fairly consistent, and 5ft is manageable for most, but that long period means the waves will have a lot of push – great for points and reefs, but at a beach break it might close out a bit. Optimum direction is northeast, so the southeast isn’t perfect, but with glassy wind it should work. Crowds are sometimes a factor, so get there early.
Friday afternoon the wind switches cross and conditions become marginal. From Saturday the 11th through Wednesday the 22nd, it’s essentially flat. Swell heights drop to 0.3ft–2ft, periods are short, wind shifts between offshore, cross-on, and fresh breezes, and combined energy rarely hits 100. Even the glassy morning on Tuesday the 21st only has 2ft with 4-second period – unrideable.
So there you have it: one morning of good surf on Friday July 10, and then a long flat spell. For a spot that’s usually fairly consistent, that’s a rough stretch, but the forecast could always shift. Keep an eye on it.
Rusty.
Short Range ForecastHeavy rain (total 54mm), heaviest during Tue morning. Warm (max 29°C on Wed morning, min 27°C on Tue night). Winds decreasing (fresh winds from the SSW on Tue morning, calm by Thu night). | Days 4-6 Weather SummaryLight rain (total 3mm), mostly falling on Sun night. Warm (max 30°C on Fri afternoon, min 28°C on Fri morning). Winds increasing (calm on Fri morning, fresh winds from the WSW by Sat night). | ||||||||||||||||||||
Tuesday 7 | Wednesday 8 | Thursday 9 | Friday 10 | Saturday 11 | Sunday 12 | Monday 13 | |||||||||||||||
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) | SE 18 | ESE 16 | SE 15 | SE 16 | ESE 16 | ESE 17 | SE 17 | SE 18 | SE 18 | SE 18 | SE 18 | ESE 17 | ESE 15 | SW 4 | E 13 | E 11 | SSW 10 | E 12 | E 11 | E 11 | E 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 12 | 26 | 57 | 124 | 175 | 364 | 439 | 621 | 905 | 1149 | 1292 | 771 | 84 | 32 | 13 | 2 | 0 | 3 | 3 | 2 | 2 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-on | cross-on | on | on | on | on | glassy | glassy | cross | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | on | on | on |
High Tide | 12:23PM1.34m | 1:58AM1.24m | 1:19PM1.12m | 2:42AM1.41m | 2:31PM0.90m | 3:32AM1.58m | 7:23PM0.78m | 4:28AM1.73m | 8:54PM0.80m | 5:28AM1.87m | 9:58PM0.82m | 6:30AM1.98m | 10:48PM0.82m | ||||||||
Low Tide | 8:12PM0.40m | 8:57AM0.68m | 8:47PM0.50m | 10:15AM0.54m | 9:25PM0.61m | 11:31AM0.37m | 10:06PM0.70m | 12:41PM0.19m | 10:51PM0.76m | 1:45PM0.03m | 11:42PM0.79m | 2:43PM-0.07m | 00:38AM0.78m | ||||||||
 |  |  | | | | | |  |  | | | | |  | |  |  | | | | |
 | 5:43 | — | — | 5:43 | — | — | 5:45 | — | — | 5:45 | — | — | 5:46 | — | — | 5:46 | — | — | 5:46 | — | — |
 | — | 7:10 | — | — | 7:09 | — | — | 7:09 | — | — | 7:09 | — | — | 7:09 | — | — | 7:09 | — | — | 7:09 | — |
mm | 10 | 3 | 12 | 5 | 4 | 7 | 11 | 2 | — | — | — | — | — | — | — | — | — | 3 | — | — | 2 |
Temp °C | 28 | 28 | 28 | 29 | 29 | 28 | 28 | 29 | 28 | 29 | 30 | 29 | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 29 | 29 |
Feels °C | 28 | 31 | 32 | 31 | 32 | 31 | 31 | 32 | 32 | 33 | 33 | 32 | 32 | 32 | 31 | 31 | 32 | 33 | 33 | 32 | 33 |
Swell 1 Height (m) Direction Period (s) | S 7 | ESE 16 | SE 15 | SE 16 | ESE 16 | S 7 | SE 17 | SE 18 | SE 18 | SE 18 | SE 18 | ESE 17 | SSW 7 | S 10 | E 13 | E 11 | — | S 9 | S 10 | S 10 | S 9 |
| kJ | 195 | 26 | 57 | 124 | 175 | 69 | 439 | 621 | 905 | 1149 | 1292 | 771 | 61 | 127 | 13 | 2 | — | 287 | 333 | 273 | 202 |
Swell 2 Height (m) Direction Period (s) | SE 18 | E 9 | E 9 | E 8 | E 8 | ESE 17 | S 6 | S 7 | S 7 | S 7 | S 7 | S 7 | ESE 15 | E 9 | — | — | — | E 12 | E 11 | E 8 | E 8 |
| kJ | 12 | 6 | 6 | 1 | 1 | 364 | 50 | 56 | 48 | 40 | 40 | 27 | 84 | 7 | — | — | — | 3 | 2 | 1 | 1 |
Swell 3 Height (m) Direction Period (s) | E 9 | E 11 | E 11 | E 10 | E 10 | — | — | — | — | — | — | — | — | E 13 | — | — | — | E 10 | E 11 | E 11 | E 10 |
| kJ | 6 | 2 | 2 | 2 | 2 | — | — | — | — | — | — | — | — | 3 | — | — | — | 2 | 3 | 2 | 2 |
Wind waves Height (m) Direction Period (s) | — | S 7 | S 7 | S 7 | S 7 | S 7 | — | — | — | — | — | WSW 3 | W 3 | SW 4 | SSW 6 | SSW 10 | SSW 10 | — | — | — | — |
| kJ | — | 168 | 139 | 116 | 107 | 110 | — | — | — | — | — | 7 | 5 | 32 | 211 | 407 | 394 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 43 | 670 | 161 | 670 | 670 | 161 | 272 | 670 | 0 | 0 | 3 | 3 | 3 | 820 | 929 | 822 | 740 | 161 | 581 | 581 | 581 |
Best forecast wave conditions in Hong Kong | |||||||||||||||||||||
Best forecast wave conditions in China | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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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.
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.
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