Surf Forecasts:
How big are the waves at Riyue Bay (Riyuewan) today (17 Aug):
- Morning surf: Morning surf (17 Aug, local time) - 3.5ft (1.0m), 8s period with S swell.
- Afternoon surf: Afternoon surf (17 Aug, local time) - 3.5ft (1.1m), 8s period with S swell.
- Evening surf: Evening surf (17 Aug, local time) - 3.5ft (1.0m), 8s period with S swell.
The current surf forecast for Riyue Bay (Riyuewan) at 11AM is: 0.9m 7s primary swell from a South direction and 0.1m 10s secondary swell from a East direction (forecast issued at 07:00am August 17). An open ocean swell of 0.7m 4s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Aug) | 3.5ft (1.0m) | 8s |
| Afternoon (17 Aug) | 3.5ft (1.1m) | 8s |
| Evening (17 Aug) | 3.5ft (1.0m) | 8s |
Table - waves today at Riyue Bay (Riyuewan). (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 32mm), heaviest during Wed afternoon. Warm (max 32°C on Mon afternoon, min 26°C on Tue night). Wind will be generally light. | |||||||||||||||||||||||
Monday 17 | Tuesday 18 | Wednesday 19 | |||||||||||||||||||||
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 | S 8 | S 7 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 7 | S 8 | S 8 | S 8 | S 8 | S 9 | S 8 | S 8 | S 8 | S 8 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 120 | 113 | 87 | 142 | 142 | 111 | 121 | 131 | 127 | 120 | 76 | 78 | 72 | 68 | 76 | 90 | 86 | 82 | 40 | 86 | 80 | 98 | 100 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross | cross-on | cross | cross | glassy | glassy | cross-off | cross-off | glassy | on | glassy | cross | cross-off | glassy | off | glassy | glassy | glassy | cross | cross-off | glassy |
High Tide | 1:12PM1.07m | 1:52AM1.12m | 2:05PM0.88m | 2:16AM1.21m | 3:16PM0.73m | ||||||||||||||||||
Low Tide | 7:09AM0.61m | 7:24PM0.54m | 8:25AM0.57m | 7:18PM0.62m | 9:48AM0.53m | 6:52PM0.66m | |||||||||||||||||
 |  |  | |  |  | | | | | | | | | | | | | | |  | | | |
 | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — |
 | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:04 | — | — |
mm | — | — | — | — | 3 | 2 | 1 | 1 | — | — | — | 2 | 5 | 1 | — | 1 | 3 | — | 1 | 2 | 6 | 2 | 2 |
Temp °C | 27 | 28 | 31 | 32 | 30 | 29 | 28 | 27 | 27 | 28 | 32 | 30 | 30 | 29 | 28 | 27 | 26 | 27 | 29 | 30 | 29 | 27 | 27 |
Feels °C | 30 | 32 | 35 | 36 | 35 | 35 | 34 | 32 | 31 | 33 | 38 | 36 | 36 | 34 | 33 | 32 | 31 | 32 | 35 | 36 | 34 | 31 | 32 |
Swell 1 Height (m) Direction Period (s) | S 8 | S 8 | S 7 | E 10 | E 10 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 7 | S 8 | S 8 | S 8 | S 8 | S 7 | S 8 | S 8 | S 8 | S 8 |
| kJ | 120 | 113 | 87 | 2 | 2 | 111 | 121 | 131 | 127 | 120 | 76 | 78 | 72 | 68 | 76 | 90 | 86 | 82 | 39 | 86 | 80 | 98 | 100 |
Swell 2 Height (m) Direction Period (s) | E 10 | E 10 | E 10 | E 10 | E 10 | WSW 5 | SW 5 | WSW 5 | E 9 | E 9 | SW 5 | E 9 | E 9 | SW 5 | SW 5 | WSW 5 | SW 5 | SW 5 | S 9 | SE 9 | SW 6 | SW 6 | SW 6 |
| kJ | 2 | 2 | 2 | 2 | 2 | 9 | 6 | 2 | 2 | 2 | 3 | 2 | 2 | 10 | 4 | 3 | 1 | 1 | 40 | 3 | 20 | 25 | 19 |
Swell 3 Height (m) Direction Period (s) | — | E 9 | — | — | — | E 10 | E 10 | E 9 | E 9 | E 11 | E 9 | E 9 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 9 | E 10 | E 10 | E 11 | E 9 |
| kJ | — | 2 | — | — | — | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
Wind waves Height (m) Direction Period (s) | SW 3 | W 5 | WSW 4 | S 8 | S 8 | SW 5 | WSW 5 | WSW 5 | WSW 4 | WSW 4 | SW 5 | SW 5 | SW 5 | — | — | — | — | — | WSW 4 | WSW 4 | WSW 6 | — | — |
| kJ | 2 | 1 | 13 | 142 | 142 | 27 | 21 | 14 | 8 | 13 | 10 | 10 | 16 | — | — | — | — | — | 2 | 25 | 120 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 0 | 576 | 1157 | 1157 | 75 | 0 | 0 | 0 | 0 | 0 | 1610 | 0 | 75 | 0 | 0 | 0 | 0 | 0 | 0 | 37 | 0 | 0 |
Best forecast wave conditions in Hainan | |||||||||||||||||||||||
Best forecast wave conditions in China | |||||||||||||||||||||||
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