Surf Forecasts:
How big are the waves at Riyue Bay (Riyuewan) today (31 Aug):
- Morning surf: Morning surf (31 Aug, local time) - 4.5ft (1.3m), 7s period with SW swell.
- Afternoon surf: Afternoon surf (31 Aug, local time) - 5ft (1.6m), 8s period with SW swell.
- Evening surf: Evening surf (31 Aug, local time) - 4.5ft (1.4m), 8s period with SW swell.
The current surf forecast for Riyue Bay (Riyuewan) at 5AM is: 0.9m 8s primary swell from a South direction and 0.1m 13s secondary swell from a East direction, 1.1m 7s secondary swell from a Southwest direction (forecast issued at 01:00am August 31). The wind direction is predicted to be cross-offshore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Aug) | 4.5ft (1.3m) | 7s |
| Afternoon (31 Aug) | 5ft (1.6m) | 8s |
| Evening (31 Aug) | 4.5ft (1.4m) | 8s |
Table - waves today at Riyue Bay (Riyuewan). (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 32mm), heaviest during Mon afternoon. Warm (max 30°C on Wed afternoon, min 25°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 31 | Tuesday 1 | Wednesday 2 | ||||||||||||||||||||||
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 | 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) | S 8 | SW 7 | SW 6 | SW 7 | SW 8 | SW 8 | SW 8 | S 9 | S 9 | S 9 | SW 9 | S 9 | S 9 | WSW 8 | S 10 | S 9 | S 9 | WSW 6 | WSW 6 | S 9 | SW 7 | S 8 | S 9 | S 9 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 140 | 111 | 136 | 140 | 241 | 416 | 244 | 198 | 164 | 133 | 132 | 104 | 134 | 537 | 148 | 108 | 81 | 114 | 97 | 37 | 34 | 31 | 40 | 38 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross | cross-off | cross | off | cross-off | cross-off | cross-off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | glassy | cross-off | off |
High Tide | 00:26AM0.96m | 12:08PM1.17m | 00:40AM1.07m | 1:00PM1.02m | 1:00AM1.19m | 2:03PM0.86m | ||||||||||||||||||
Low Tide | 5:46AM0.58m | 6:32PM0.52m | 6:50AM0.51m | 6:36PM0.61m | 7:58AM0.44m | 6:32PM0.68m | ||||||||||||||||||
 |  |  |  | |  |  |  | | | | |  | | | | | | |  | | |  | | |
 | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:53 | — | — | — | — | — | — | — | 6:52 | — | — |
mm | — | 1 | — | 1 | 5 | 7 | 6 | 1 | 2 | 2 | 3 | 2 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 26 | 26 | 25 | 25 | 26 | 26 | 29 | 30 | 30 | 27 | 25 |
Feels °C | 28 | 28 | 28 | 29 | 27 | 28 | 30 | 29 | 29 | 30 | 31 | 30 | 30 | 29 | 29 | 27 | 26 | 28 | 29 | 31 | 33 | 34 | 30 | 27 |
Swell 1 Height (m) Direction Period (s) | S 8 | S 8 | S 8 | S 8 | S 8 | S 9 | S 9 | S 9 | S 9 | S 9 | SW 9 | S 9 | S 9 | S 9 | S 10 | S 9 | S 9 | S 9 | S 9 | SW 7 | SW 7 | SW 7 | NE 8 | NE 8 |
| kJ | 140 | 111 | 86 | 84 | 86 | 83 | 168 | 198 | 164 | 133 | 123 | 104 | 134 | 142 | 148 | 108 | 81 | 60 | 57 | 28 | 29 | 17 | 35 | 32 |
Swell 2 Height (m) Direction Period (s) | E 12 | E 13 | E 13 | E 13 | E 13 | E 13 | E 13 | E 13 | SW 9 | SW 8 | S 9 | SW 9 | SW 9 | SW 9 | SW 8 | NE 7 | NE 7 | SW 7 | SW 7 | S 9 | S 8 | S 8 | S 9 | S 9 |
| kJ | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 28 | 58 | 132 | 91 | 76 | 95 | 84 | 18 | 13 | 36 | 28 | 37 | 34 | 31 | 40 | 38 |
Swell 3 Height (m) Direction Period (s) | — | E 9 | — | — | E 9 | E 11 | — | — | E 13 | E 12 | E 12 | E 12 | NE 6 | NE 6 | NE 6 | E 12 | E 11 | NE 7 | NE 7 | NE 7 | NE 8 | NE 8 | SW 7 | SW 7 |
| kJ | — | 2 | — | — | 2 | 2 | — | — | 3 | 3 | 3 | 3 | 9 | 9 | 14 | 3 | 2 | 13 | 7 | 7 | 10 | 18 | 16 | 15 |
Wind waves Height (m) Direction Period (s) | SW 7 | SW 7 | SW 6 | SW 7 | SW 8 | SW 8 | SW 8 | WSW 7 | WSW 7 | WSW 6 | — | — | NNE 6 | WSW 8 | — | SW 8 | SW 8 | WSW 6 | WSW 6 | — | — | — | — | — |
| kJ | 107 | 103 | 136 | 140 | 241 | 416 | 244 | 138 | 99 | 51 | — | — | 45 | 537 | — | 60 | 57 | 114 | 97 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 576 | 576 | 576 | 349 | 576 | 576 | 0 | 349 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 37 | 37 | 37 | 0 | 0 |
Best forecast wave conditions in Hainan | ||||||||||||||||||||||||
Best forecast wave conditions in China | ||||||||||||||||||||||||
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