Surf Forecasts:
How big are the waves at Riyue Bay (Riyuewan) today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 4.5ft (1.4m), 8s period with S swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 8ft (2.5m), 7s period with SSW swell.
- Evening surf: Evening surf (20 Aug, local time) - 6ft (1.8m), 9s period with SSE swell.
The current surf forecast for Riyue Bay (Riyuewan) at 9PM is: 1.8m 9s primary swell from a South-southeast direction and 0.2m 8s secondary swell from a East-northeast direction, 1.9m 7s secondary swell from a Southwest direction (forecast issued at 01:00pm August 20). The wind direction is predicted to be cross-shore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 4.5ft (1.4m) | 8s |
| Afternoon (20 Aug) | 8ft (2.5m) | 7s |
| Evening (20 Aug) | 6ft (1.8m) | 9s |
Table - waves today at Riyue Bay (Riyuewan). (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Thu afternoon. Warm (max 31°C on Sun morning, min 26°C on Fri night). Mainly fresh winds. | |||||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | |||||||||||||||||||
11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | SSE 9 | SSW 7 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSW 8 | SSW 8 | SSE 9 | SSW 9 | SSE 9 | SSE 9 | S 9 | S 9 | SW 7 | WSW 7 | S 8 | S 8 | S 8 | S 9 | S 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 329 | 570 | 474 | 564 | 552 | 474 | 982 | 1074 | 567 | 1205 | 577 | 577 | 484 | 362 | 400 | 266 | 190 | 195 | 239 | 290 | 320 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 3:19AM1.30m | 4:06AM1.32m | |||||||||||||||||||
Low Tide | 11:27AM0.48m | 1:11PM0.42m | 2:27PM0.35m | ||||||||||||||||||
 | | |  |  | | |  | | | | | | | | | | | |  | | |
 | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — |
 | — | — | 7:02 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:00 | — | — |
mm | 4 | 2 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 29 | 29 | 29 | 27 | 26 | 26 | 26 | 27 | 29 | 30 | 30 | 28 | 27 |
Feels °C | 28 | 29 | 27 | 27 | 27 | 25 | 26 | 27 | 29 | 28 | 29 | 28 | 27 | 27 | 27 | 27 | 30 | 31 | 31 | 31 | 30 |
Swell 1 Height (m) Direction Period (s) | SSE 9 | NE 8 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | NE 7 | E 7 | SSE 9 | S 9 | SSE 9 | SSE 9 | S 9 | S 9 | S 8 | S 8 | S 8 | S 8 | S 8 | S 9 | S 8 |
| kJ | 329 | 14 | 474 | 564 | 552 | 474 | 2 | 1 | 567 | 705 | 577 | 577 | 484 | 348 | 205 | 187 | 190 | 195 | 239 | 290 | 320 |
Swell 2 Height (m) Direction Period (s) | ENE 8 | — | ENE 8 | ENE 8 | ENE 7 | NE 7 | NE 7 | NE 7 | NE 7 | — | — | — | E 9 | — | — | — | — | — | — | — | SW 7 |
| kJ | 23 | — | 6 | 6 | 5 | 2 | 2 | 2 | 2 | — | — | — | 2 | — | — | — | — | — | — | — | 12 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | E 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 6 | SSW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SSW 8 | SSW 8 | SW 7 | SSW 9 | SW 7 | SW 7 | WSW 8 | SW 7 | SW 7 | WSW 7 | SW 8 | SW 6 | SW 6 | SW 7 | WSW 7 |
| kJ | 132 | 570 | 459 | 372 | 301 | 325 | 982 | 1074 | 368 | 1205 | 415 | 340 | 257 | 362 | 400 | 266 | 164 | 171 | 135 | 77 | 83 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1157 | 1173 | 1157 | 362 | 362 | 362 | 362 | 362 | 1183 | 1183 | 1391 | 1387 | 1090 | 843 | 624 | 576 | 576 | 1373 | 624 | 1373 | 621 |
Best forecast wave conditions in Hainan | |||||||||||||||||||||
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 Riyue Bay (Riyuewan) 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.
Nearest