Surf Forecasts:
Big Wave Bay surf forecast from 27 Aug 2026:
- Best quality surf: Tuesday 1 Sep, 8AM (local time) - 7ft (2.1m), 7s period, ENE swell with cross-offshore winds.
- Most powerful swell: Monday 31 Aug, 11PM (local time) - 8ft (2.5m), 8s period, ENE swell with 801 kJ wave energy.
- Next surfable swell (1★+): Tuesday 1 Sep, 8AM (local time) - 7ft (2.1m), 7s period with ENE 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 Tuesday (Sep 01) at 8AM. The primary swell is predicted to be 2.1m and 7s 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 16 days are 2.5m 8s and forecast to arrive on Monday (Aug 31) at 11PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 8s period and expected on Saturday (Aug 29) at 8AM.
| Wave Type | Time (HKT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Tue 1st Sep) | 7ft (2.1m) 7s |
| Best Surf | 8AM (Tue 1st Sep) | 7ft (2.1m) 7s |
| Most Powerful | 11PM (Mon 31st Aug) | 8ft (2.5m) 8s |
Table - best surf conditions forecast for Big Wave Bay over the next 16 days.
The Lowdown
G’day, Rusty here. Let’s be straight up: the next 16 days are a tough watch for Big Wave Bay. There’s a long dry spell ahead, and only one window that might get your blood pumping.
The first bit of real swell is over a week away, on Tuesday, September 1st, in the morning. Up until then, it’s flat and messy – we’re talking through the end of August and into the weekend with nothing but tiny, weak waves. The entire stretch from August 28th through to September 1st morning is a write-off, with only poor surf conditions showing. That’s a solid 5-day gap of no recommendations.
Then, on Tuesday, September 1st, the morning is the one standout. We get a pulse of 8 ft swell from the ENE, with a period of 8 seconds – a short-period wind swell, but it’s packing some punch. The combined energy is 923 (that’s strong wave energy), and the wind is light northerly, 6 mph, offshore. That’s glassy, clean, and the wave set-up looks good for this sheltered spot. The water is 84°, which is about average for this time of year.
However, this is a beginner break, and 8 ft is pushing into intermediate territory. It’ll be a bit of a handful for learners. The break is fairly consistent, but it can get crowded sometimes. The swell direction from the ENE isn’t a perfect match for the optimum NE, but it’s close enough to work.
After that Tuesday morning window, the surf drops away fast. By Tuesday afternoon, it’s back to 4 ft and choppy. Then from Wednesday, September 2nd, all the way through to Saturday, September 12th, it’s flat or very weak – a 10-day stretch of nothing worthwhile. Most afternoons have cross-onshore wind, and the swell heights barely register. The last few days show tiny 0.3 ft waves and onshore breezes. It’s not looking good for paddle surfing; with the wind and poor shape, you’d be better off with a kite if you’re keen.
Keep an eye on the Tuesday morning window – it’s the only real chance for a wave in a long, quiet spell.
Rusty
Short Range ForecastHeavy rain (total 34mm), heaviest during Fri night. Warm (max 30°C on Fri morning, min 27°C on Sun night). Winds decreasing (fresh winds from the WSW on Fri night, calm by Sat night). | Days 4-6 Weather SummaryLight rain (total 5mm), mostly falling on Mon morning. Warm (max 30°C on Tue afternoon, min 26°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | |||||||||||||||
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 11 | SW 3 | E 10 | E 10 | E 10 | E 10 | E 9 | ENE 3 | S 8 | ENE 4 | ENE 5 | ENE 7 | ENE 8 | E 8 | E 7 | E 6 | E 7 | E 7 | E 6 | NNE 3 | E 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 0 | 13 | 91 | 795 | 636 | 203 | 106 | 30 | 27 | 8 | 1 | 2 | 2 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | cross-off | cross | glassy | cross | cross-on | cross | cross | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off |
High Tide | 8:13AM1.69m | 10:19PM0.98m | 8:47AM1.65m | 10:02PM1.08m | 9:22AM1.56m | 10:02PM1.22m | 9:58AM1.43m | 10:21PM1.37m | 10:36AM1.27m | 10:50PM1.51m | 11:17AM1.08m | 11:26PM1.62m | 12:01PM0.88m | 00:08AM1.69m | |||||||
Low Tide | 3:30PM0.21m | 2:46AM0.57m | 3:59PM0.24m | 3:35AM0.50m | 4:27PM0.31m | 4:26AM0.43m | 4:54PM0.40m | 5:19AM0.38m | 5:20PM0.50m | 6:16AM0.35m | 5:44PM0.61m | 7:20AM0.34m | 6:00PM0.70m | ||||||||
 |  |  | | | |  |  | | | |  | | |  | | | | | | | |
 | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:05 | — | — | 6:05 | — | — | 6:05 | — | — | 6:05 | — | — |
 | — | 6:44 | — | — | 6:43 | — | — | 6:42 | — | — | 6:40 | — | — | 6:39 | — | — | 6:38 | — | — | 6:37 | — |
mm | 1 | — | 19 | 5 | 1 | 2 | — | — | 6 | 1 | 2 | 2 | — | — | — | — | — | — | — | — | — |
Temp °C | 30 | 30 | 29 | 30 | 30 | 30 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 30 | 29 | 29 | 30 | 29 | 28 | 30 | 29 |
Feels °C | 34 | 33 | 33 | 34 | 34 | 35 | 31 | 31 | 33 | 30 | 29 | 29 | 29 | 34 | 31 | 29 | 29 | 29 | 27 | 30 | 29 |
Swell 1 Height (m) Direction Period (s) | S 8 | S 9 | E 10 | S 9 | S 9 | S 8 | S 10 | S 9 | S 8 | S 9 | SSW 9 | S 9 | E 8 | S 10 | E 7 | S 10 | S 10 | S 9 | S 8 | S 9 | S 8 |
| kJ | 163 | 150 | 2 | 185 | 220 | 169 | 220 | 194 | 169 | 207 | 132 | 78 | 287 | 148 | 106 | 125 | 115 | 76 | 44 | 81 | 49 |
Swell 2 Height (m) Direction Period (s) | E 11 | E 11 | — | E 10 | E 10 | E 10 | E 9 | ENE 3 | — | — | — | — | S 10 | — | S 9 | E 6 | E 7 | E 7 | S 10 | NNE 3 | E 10 |
| kJ | 2 | 2 | — | 2 | 2 | 2 | 2 | 2 | — | — | — | — | 125 | — | 87 | 30 | 27 | 8 | 32 | 2 | 2 |
Swell 3 Height (m) Direction Period (s) | E 11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 8 | — | — | E 6 | E 5 | — |
| kJ | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 11 | — | — | 1 | 1 | — |
Wind waves Height (m) Direction Period (s) | — | SW 3 | SSW 8 | — | — | — | NE 3 | — | — | ENE 4 | ENE 5 | ENE 7 | ENE 8 | E 8 | — | N 4 | N 4 | N 3 | N 4 | WNW 4 | NNW 3 |
| kJ | — | 3 | 206 | — | — | — | 1 | — | — | 13 | 91 | 795 | 636 | 203 | — | 19 | 10 | 5 | 15 | 3 | 2 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 43 | 683 | 40 | 40 | 670 | 6 | 581 | 581 | 161 | 581 | 581 | 144 | 0 | 6 | 0 | 6 | 161 | 161 | 670 | 670 | 670 |
Best forecast wave conditions in Hong Kong | |||||||||||||||||||||
Best forecast wave conditions in China | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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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 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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