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) - 3.5ft (1.1m), 7s period with SW swell.
- Evening surf: Evening surf (30 Aug, local time) - 3.5ft (1.1m), 9s period with S swell.
The current surf forecast for Riyue Bay (Riyuewan) at 5PM is: 1.2m 7s primary swell from a Southwest direction and 0.9m 8s secondary swell from a South direction, 0.1m 12s secondary swell from a East direction (forecast issued at 01:00pm August 30). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Aug) | 3ft (0.9m) | 8s |
| Afternoon (30 Aug) | 3.5ft (1.1m) | 7s |
| Evening (30 Aug) | 3.5ft (1.1m) | 9s |
Table - waves today at Riyue Bay (Riyuewan). (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 149mm), heaviest during Mon night. Warm (max 30°C on Sun afternoon, min 24°C on Tue afternoon). Wind will be generally light. | |||||||||||||||||||||
Sun 30 | Monday 31 | Tuesday 1 | |||||||||||||||||||
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 | SW 7 | SW 7 | S 9 | S 9 | SW 8 | S 8 | S 8 | SW 7 | SW 7 | SW 8 | SW 8 | WSW 8 | S 9 | WSW 7 | WSW 8 | SW 9 | SW 8 | S 9 | WSW 7 | WSW 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 100 | 104 | 147 | 177 | 177 | 131 | 111 | 107 | 199 | 318 | 143 | 235 | 487 | 157 | 320 | 681 | 115 | 100 | 108 | 280 | 136 |
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 | cross-off | cross-off |
High Tide | 00:26AM0.96m | 12:08PM1.17m | 00:40AM1.07m | 1:00PM1.02m | |||||||||||||||||
Low Tide | 6:22PM0.41m | 5:46AM0.58m | 6:32PM0.52m | 6:50AM0.51m | 6:36PM0.61m | ||||||||||||||||
 |  |  |  | |  | |  |  |  | |  | |  | | | | | | | | |
 | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — |
 | — | — | 6:54 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:53 | — | — |
mm | — | — | 1 | — | — | — | — | 2 | 12 | 6 | 6 | 22 | 29 | 4 | 5 | 8 | 8 | 20 | 14 | 12 | — |
Temp °C | 30 | 30 | 29 | 27 | 27 | 26 | 26 | 26 | 25 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 24 |
Feels °C | 32 | 33 | 33 | 30 | 30 | 28 | 28 | 28 | 27 | 29 | 28 | 28 | 28 | 28 | 30 | 29 | 27 | 27 | 28 | 28 | 27 |
Swell 1 Height (m) Direction Period (s) | S 8 | S 8 | S 8 | S 9 | S 9 | S 8 | S 8 | S 8 | S 8 | S 8 | S 9 | S 9 | S 9 | S 9 | S 9 | SW 9 | SW 9 | S 9 | S 9 | S 9 | S 9 |
| kJ | 100 | 84 | 113 | 177 | 177 | 113 | 111 | 107 | 84 | 90 | 133 | 169 | 198 | 157 | 157 | 112 | 115 | 83 | 108 | 110 | 108 |
Swell 2 Height (m) Direction Period (s) | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 13 | E 13 | E 13 | E 13 | E 13 | E 13 | SW 8 | E 13 | WSW 7 | S 9 | S 9 | E 12 | E 12 | SW 8 | SW 7 |
| kJ | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 98 | 3 | 86 | 126 | 104 | 3 | 3 | 60 | 43 |
Swell 3 Height (m) Direction Period (s) | E 9 | E 15 | E 15 | E 15 | — | — | E 9 | — | — | — | — | — | E 13 | E 11 | SW 9 | E 12 | E 12 | — | NE 5 | NE 6 | NE 6 |
| kJ | 2 | 4 | 4 | 4 | — | — | 2 | — | — | — | — | — | 3 | 2 | 29 | 3 | 3 | — | 1 | 1 | 2 |
Wind waves Height (m) Direction Period (s) | SW 6 | SW 7 | SW 7 | SW 8 | SW 8 | SW 8 | SW 7 | SW 7 | SW 7 | SW 7 | SW 8 | SW 8 | WSW 8 | SW 7 | WSW 7 | WSW 8 | NW 3 | SW 8 | SW 8 | WSW 7 | WSW 7 |
| kJ | 59 | 104 | 147 | 119 | 93 | 131 | 107 | 104 | 199 | 318 | 143 | 235 | 487 | 106 | 320 | 681 | 2 | 100 | 95 | 280 | 136 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1246 | 1814 | 0 | 0 | 362 | 576 | 576 | 576 | 576 | 717 | 621 | 576 | 349 | 349 | 0 | 0 | 353 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Hainan | |||||||||||||||||||||
Best forecast wave conditions in China | |||||||||||||||||||||
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