Surf Forecasts:
How big are the waves at Riyue Bay (Riyuewan) today (21 Jul):
- Morning surf: Morning surf (21 Jul, local time) - 3ft (0.9m), 7s period with SSE swell.
- Afternoon surf: Afternoon surf (21 Jul, local time) - 3.5ft (1.0m), 6s period with S swell.
- Evening surf: Evening surf (21 Jul, local time) - 3ft (0.9m), 6s period with SSE swell.
The current surf forecast for Riyue Bay (Riyuewan) at 9AM is: 0.9m 7s primary swell from a South-southeast direction and 0.1m 10s secondary swell from a East direction (forecast issued at 01:00am July 21). The wind direction is predicted to be cross-shore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jul) | 3ft (0.9m) | 7s |
| Afternoon (21 Jul) | 3.5ft (1.0m) | 6s |
| Evening (21 Jul) | 3ft (0.9m) | 6s |
Table - waves today at Riyue Bay (Riyuewan). (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Thu night. Warm (max 31°C on Tue morning, min 27°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | ||||||||||||||||||||||
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 7 | S 7 | SSE 7 | S 6 | S 6 | S 6 | SSE 6 | SSE 7 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | S 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 5 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 77 | 77 | 75 | 76 | 69 | 71 | 68 | 73 | 56 | 56 | 55 | 40 | 37 | 36 | 36 | 37 | 39 | 48 | 66 | 54 | 52 | 42 | 31 | 30 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross | cross | cross | cross | cross-on | cross-on | cross-off | cross-off | cross | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-on | cross-on | cross-on | on | cross-on |
High Tide | 3:48AM1.07m | 2:58PM0.86m | 4:13AM1.17m | 4:32PM0.69m | 4:42AM1.25m | |||||||||||||||||||
Low Tide | 10:07AM0.71m | 8:47PM0.58m | 12:10PM0.61m | 8:15PM0.63m | 1:54PM0.49m | |||||||||||||||||||
 | |  | |  | | | |  | | | | | | | | | | | | | | | | |
 | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:17 | — | — | — | — | — | — | — | 7:17 | — | — | — | — | — | — | — | 7:16 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 27 | 28 | 31 | 31 | 31 | 28 | 27 | 27 | 27 | 28 | 30 | 31 | 30 | 28 | 27 | 27 | 27 | 28 | 30 | 31 | 30 | 28 | 27 |
Feels °C | 30 | 30 | 32 | 33 | 32 | 32 | 31 | 31 | 31 | 31 | 32 | 32 | 33 | 32 | 33 | 32 | 32 | 32 | 33 | 34 | 34 | 34 | 33 | 32 |
Swell 1 Height (m) Direction Period (s) | S 7 | S 7 | SSE 7 | E 10 | E 10 | E 10 | SSE 6 | SSE 7 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | S 6 | SSE 6 | SSE 6 | E 10 | SSE 6 | SSE 5 |
| kJ | 77 | 77 | 75 | 2 | 2 | 2 | 68 | 73 | 56 | 56 | 55 | 40 | 37 | 36 | 36 | 37 | 39 | 48 | 66 | 54 | 52 | 2 | 31 | 30 |
Swell 2 Height (m) Direction Period (s) | E 10 | E 10 | E 10 | E 10 | E 10 | — | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | — | E 9 | E 9 |
| kJ | 2 | 2 | 2 | 2 | 2 | — | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | — | 2 | 2 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | E 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 5 | — | — | S 6 | S 6 | S 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSE 6 | — | — |
| kJ | 2 | — | — | 76 | 69 | 71 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 42 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 75 | 1084 | 1090 | 1173 | 1763 | 1750 | 1078 | 75 | 75 | 75 | 75 | 1157 | 1173 | 1173 | 1157 | 1157 | 75 | 75 | 37 | 1157 | 1173 | 1157 | 1243 | 1157 |
Best forecast wave conditions in Hainan | ||||||||||||||||||||||||
Best forecast wave conditions in China | ||||||||||||||||||||||||
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