Surf Forecasts:
How big are the waves at Riyue Bay (Riyuewan) today (31 Jul):
- Morning surf: Morning surf (31 Jul, local time) - 3ft (0.9m), 6s period with SSE swell.
- Afternoon surf: Afternoon surf (31 Jul, local time) - 3ft (0.9m), 6s period with SSE swell.
- Evening surf: Evening surf (31 Jul, local time) - 3ft (0.9m), 6s period with SSE swell.
The current surf forecast for Riyue Bay (Riyuewan) at 8AM is: 0.9m 6s primary swell from a South direction and 0.4m 5s secondary swell from a East-southeast direction (forecast issued at 01:00am July 31). The wind direction is predicted to be glassy.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Jul) | 3ft (0.9m) | 6s |
| Afternoon (31 Jul) | 3ft (0.9m) | 6s |
| Evening (31 Jul) | 3ft (0.9m) | 6s |
Table - waves today at Riyue Bay (Riyuewan). (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 16mm), heaviest on Fri night. Warm (max 28°C on Fri morning, min 25°C on Sat afternoon). Wind will be generally light. | ||||||||||||||||||||||||
Friday 31 | Saturday 1 | Sunday 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) | SSE 6 | SSE 6 | S 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | S 7 | S 7 | SSE 7 | S 7 | S 7 | S 7 | SSE 7 | SSE 8 | S 7 | SSE 7 | SSE 7 | SSE 7 | SSE 6 | SSE 6 | SSE 7 | SSE 7 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 55 | 55 | 64 | 82 | 64 | 64 | 66 | 68 | 92 | 94 | 99 | 123 | 107 | 117 | 140 | 143 | 112 | 111 | 99 | 93 | 66 | 70 | 77 | 82 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | glassy | cross-on | cross-on | on | on | cross-on | glassy | cross | cross | cross-on | cross | cross-on | cross | cross | glassy | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | glassy |
High Tide | 10:43AM1.52m | 11:22AM1.46m | 2:13AM0.80m | 12:01PM1.36m | ||||||||||||||||||||
Low Tide | 7:04PM0.17m | 7:24PM0.23m | 4:55AM0.75m | 7:40PM0.32m | ||||||||||||||||||||
 | |  |  |  | |  | | |  | | | |  | | | | | | | | | | | |
 | — | 6:15 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:14 | — | — | — | — | — | — | — | 7:14 | — | — | — | — | — | — | — | 7:14 | — | — |
mm | 2 | 3 | 1 | — | — | — | — | 4 | 1 | — | 2 | 2 | 2 | 1 | — | — | — | 2 | 1 | — | — | — | — | — |
Temp °C | 27 | 26 | 27 | 28 | 28 | 28 | 27 | 26 | 26 | 26 | 27 | 26 | 26 | 25 | 25 | 25 | 26 | 26 | 25 | 26 | 28 | 28 | 27 | 27 |
Feels °C | 32 | 31 | 32 | 33 | 32 | 31 | 31 | 31 | 31 | 31 | 32 | 30 | 31 | 29 | 29 | 29 | 31 | 30 | 28 | 29 | 32 | 32 | 31 | 32 |
Swell 1 Height (m) Direction Period (s) | SSE 6 | SSE 6 | S 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | S 7 | S 7 | SSE 7 | ENE 6 | S 7 | S 7 | SSE 7 | SSE 8 | S 7 | SSE 7 | SSE 7 | SSE 7 | SSE 6 | SSE 6 | SSE 7 | SSE 7 |
| kJ | 55 | 55 | 64 | 82 | 64 | 64 | 66 | 68 | 92 | 94 | 99 | 16 | 107 | 117 | 140 | 143 | 112 | 111 | 99 | 93 | 66 | 70 | 77 | 82 |
Swell 2 Height (m) Direction Period (s) | ENE 5 | ENE 5 | ESE 5 | ENE 5 | ENE 5 | ENE 5 | ENE 5 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | E 9 | ENE 6 | ENE 6 | NE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | E 6 | E 6 | E 5 | E 5 |
| kJ | 10 | 10 | 9 | 5 | 5 | 2 | 2 | 4 | 8 | 8 | 7 | 2 | 16 | 16 | 10 | 7 | 7 | 7 | 3 | 3 | 2 | 2 | 1 | 1 |
Swell 3 Height (m) Direction Period (s) | E 10 | ESE 5 | ENE 5 | E 10 | E 5 | E 9 | E 9 | E 9 | E 9 | E 9 | NE 7 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 10 | E 8 | E 8 | E 8 |
| kJ | 2 | 5 | 5 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 |
Wind waves Height (m) Direction Period (s) | ESE 5 | — | — | — | — | — | — | — | — | — | — | S 7 | WSW 3 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 9 | — | — | — | — | — | — | — | — | — | — | 123 | 2 | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 37 | 37 | 37 | 1237 | 1699 | 1157 | 1699 | 1699 | 0 | 37 | 37 | 75 | 37 | 1750 | 37 | 37 | 0 | 0 | 0 | 0 | 37 | 1183 | 715 | 0 |
Best forecast wave conditions in Hainan | ||||||||||||||||||||||||
Best forecast wave conditions in China | ||||||||||||||||||||||||
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