Surf Forecasts:
How big are the waves at Riyue Bay (Riyuewan) today (30 Aug):
- Morning surf: Morning surf (30 Aug, local time) - 3ft (0.9m), 8s period with S swell.
- Afternoon surf: Afternoon surf (30 Aug, local time) - 4.5ft (1.4m), 7s period with SW swell.
- Evening surf: Evening surf (30 Aug, local time) - 6.5ft (2.0m), 8s period with WSW swell.
The current surf forecast for Riyue Bay (Riyuewan) at 2AM is: 1.1m 8s primary swell from a South direction and 0.1m 12s secondary swell from a East direction, 0.6m 6s secondary swell from a West-southwest direction (forecast issued at 07:00pm August 29). The wind direction is predicted to be cross-offshore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Aug) | 3ft (0.9m) | 8s |
| Afternoon (30 Aug) | 4.5ft (1.4m) | 7s |
| Evening (30 Aug) | 6.5ft (2.0m) | 8s |
Table - waves today at Riyue Bay (Riyuewan). (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 93mm), heaviest during Tue afternoon. Warm (max 31°C on Sun afternoon, min 25°C on Mon night). Wind will be generally light. | |||||||||||||||||||
Sat 29 | Sunday 30 | Monday 31 | |||||||||||||||||
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 9 | S 9 | S 8 | S 8 | S 8 | S 8 | SW 7 | SW 8 | WSW 8 | S 9 | S 9 | SW 8 | SW 8 | SW 8 | SW 8 | SW 7 | SW 8 | SW 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 120 | 225 | 181 | 165 | 130 | 100 | 103 | 211 | 229 | 643 | 153 | 119 | 113 | 113 | 113 | 186 | 309 | 210 | 388 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 00:19AM0.86m | 11:20AM1.30m | 00:26AM0.96m | 12:08PM1.17m | |||||||||||||||
Low Tide | 6:08PM0.32m | 4:42AM0.66m | 6:22PM0.41m | 5:46AM0.58m | 6:32PM0.52m | ||||||||||||||
 |  | |  | |  | |  | | | |  | | | | | |  |  | |
 | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — |
 | 6:55 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:54 | — | — |
mm | 2 | — | — | 1 | — | — | — | — | 1 | 3 | 2 | — | — | — | 1 | 1 | 2 | 2 | 1 |
Temp °C | 30 | 29 | 28 | 27 | 27 | 28 | 30 | 31 | 29 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
Feels °C | 34 | 33 | 32 | 30 | 30 | 31 | 33 | 33 | 33 | 32 | 28 | 28 | 29 | 29 | 29 | 29 | 30 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | S 8 | S 9 | S 9 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 9 | S 9 | S 9 | S 8 | S 8 | S 8 | S 8 | S 9 | S 9 | SW 7 |
| kJ | 120 | 225 | 181 | 165 | 130 | 100 | 103 | 86 | 147 | 190 | 153 | 119 | 113 | 112 | 89 | 66 | 76 | 101 | 112 |
Swell 2 Height (m) Direction Period (s) | E 13 | E 13 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | SW 8 | E 12 | E 12 | E 13 | E 13 | E 13 | E 13 | E 13 | E 13 | S 9 |
| kJ | 13 | 13 | 12 | 3 | 3 | 3 | 3 | 3 | 3 | 149 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 125 |
Swell 3 Height (m) Direction Period (s) | E 9 | E 16 | — | — | — | E 9 | E 9 | E 15 | E 15 | E 12 | — | E 10 | SE 10 | E 9 | E 9 | — | E 11 | — | E 13 |
| kJ | 2 | 5 | — | — | — | 2 | 2 | 4 | 4 | 3 | — | 2 | 4 | 2 | 2 | — | 2 | — | 3 |
Wind waves Height (m) Direction Period (s) | SW 6 | SW 6 | WSW 7 | WSW 6 | WSW 4 | WSW 5 | WSW 6 | SW 7 | SW 8 | WSW 8 | SW 8 | WSW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 7 | SW 8 | SW 8 |
| kJ | 105 | 80 | 57 | 26 | 9 | 34 | 71 | 211 | 229 | 643 | 102 | 117 | 113 | 113 | 113 | 186 | 309 | 210 | 388 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 1173 | 0 | 0 | 621 | 576 | 576 | 1246 | 621 | 0 | 0 | 349 | 576 | 0 | 576 | 576 | 576 | 0 | 0 | 0 |
Best forecast wave conditions in Hainan | |||||||||||||||||||
Best forecast wave conditions in China | |||||||||||||||||||
Header Global | |||||||||||||||||||
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