Surf Forecasts:
How big are the waves at Riyue Bay (Riyuewan) today (21 Sep):
- Morning surf: Morning surf (21 Sep, local time) - 1ft (0.3m), 18s period with ESE swell.
- Afternoon surf: Afternoon surf (21 Sep, local time) - 1.5ft (0.4m), 16s period with E swell.
- Evening surf: Evening surf (21 Sep, local time) - 1.5ft (0.5m), 15s period with E swell.
The current surf forecast for Riyue Bay (Riyuewan) at 1AM is: 1.0m 7s primary swell from a East-northeast direction and 0.9m 7s secondary swell from a East direction, 0.1m 19s secondary swell from a East direction (forecast issued at 07:00pm September 20). The wind direction is predicted to be cross-offshore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | 1ft (0.3m) | 18s |
| Afternoon (21 Sep) | 1.5ft (0.4m) | 16s |
| Evening (21 Sep) | 1.5ft (0.5m) | 15s |
Table - waves today at Riyue Bay (Riyuewan). (Swell directed towards the surf break)
Short Range ForecastLight rain (total 7mm), mostly falling on Wed afternoon. Warm (max 30°C on Mon afternoon, min 24°C on Sun night). Wind will be generally light. | |||||||||||||||||||
Sun 20 | Monday 21 | Tuesday 22 | |||||||||||||||||
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) | E 7 | E 7 | ENE 7 | E 6 | E 6 | ESE 18 | E 17 | E 16 | E 16 | E 15 | E 15 | E 15 | E 14 | E 14 | E 13 | E 13 | E 12 | E 12 | E 11 |
Wave Graph  | |||||||||||||||||||
 kJ | 94 | 94 | 93 | 68 | 51 | 61 | 53 | 81 | 80 | 72 | 106 | 150 | 138 | 129 | 125 | 212 | 151 | 105 | 64 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross | cross-off | cross-off |
High Tide | 4:11AM1.29m | 5:36AM1.29m | |||||||||||||||||
Low Tide | 2:31PM0.31m | 3:11PM0.28m | |||||||||||||||||
 |  | | | | | | | | | | | | | |  | |  | | |
 | — | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — |
 | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:36 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 1 | 1 |
Temp °C | 28 | 26 | 25 | 25 | 24 | 25 | 29 | 30 | 29 | 26 | 26 | 25 | 25 | 26 | 29 | 30 | 29 | 26 | 26 |
Feels °C | 30 | 29 | 29 | 29 | 27 | 28 | 32 | 32 | 32 | 30 | 30 | 29 | 29 | 30 | 32 | 32 | 32 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | S 7 | E 7 | E 7 | E 6 | E 6 | E 6 | E 6 | E 6 | E 16 | E 6 | E 6 | E 15 | E 14 | E 14 | E 13 | E 13 | E 12 | E 12 | E 11 |
| kJ | 1 | 94 | 74 | 68 | 51 | 39 | 38 | 38 | 80 | 28 | 27 | 150 | 138 | 129 | 125 | 212 | 151 | 105 | 64 |
Swell 2 Height (m) Direction Period (s) | ENE 11 | S 7 | S 6 | E 19 | E 18 | E 9 | E 9 | E 16 | E 9 | E 15 | E 15 | E 6 | E 6 | E 5 | E 9 | SE 5 | SE 5 | SSE 5 | — |
| kJ | 13 | 1 | 1 | 7 | 27 | 15 | 14 | 81 | 13 | 72 | 106 | 25 | 16 | 14 | 39 | 3 | 3 | 2 | — |
Swell 3 Height (m) Direction Period (s) | S 6 | S 8 | E 20 | S 8 | S 7 | ESE 18 | E 17 | E 9 | S 6 | E 9 | E 10 | E 10 | E 10 | E 9 | SSE 5 | — | — | — | — |
| kJ | 1 | 1 | 8 | 1 | 1 | 61 | 53 | 13 | 1 | 13 | 16 | 16 | 16 | 14 | 2 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | E 7 | — | ENE 7 | — | — | — | — | — | E 6 | — | — | — | E 6 | E 5 | ENE 5 | E 5 | ENE 5 | E 6 | E 5 |
| kJ | 94 | — | 93 | — | — | — | — | — | 28 | — | — | — | 32 | 29 | 27 | 17 | 18 | 19 | 10 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 1157 | 0 | 0 | 347 | 75 | 0 | 347 | 347 | 347 | 347 | 0 | 0 | 0 | 0 | 347 | 715 | 1081 | 0 | 347 |
Best forecast wave conditions in Hainan | |||||||||||||||||||
Best forecast wave conditions in China | |||||||||||||||||||
Header Global | |||||||||||||||||||
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