Surf Forecasts:
How big are the waves at Riyue Bay (Riyuewan) today (29 Aug):
- Morning surf: Morning surf (29 Aug, local time) - 3.5ft (1.0m), 8s period with S swell.
- Afternoon surf: Afternoon surf (29 Aug, local time) - 3ft (0.9m), 8s period with S swell.
- Evening surf: Evening surf (29 Aug, local time) - 4ft (1.2m), 9s period with S swell.
The current surf forecast for Riyue Bay (Riyuewan) at 1AM is: 1.2m 8s primary swell from a South direction and 0.2m 13s secondary swell from a East direction (forecast issued at 07:00pm August 28). An open ocean swell of 0.6m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Aug) | 3.5ft (1.0m) | 8s |
| Afternoon (29 Aug) | 3ft (0.9m) | 8s |
| Evening (29 Aug) | 4ft (1.2m) | 9s |
Table - waves today at Riyue Bay (Riyuewan). (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 19mm), heaviest on Sun night. Warm (max 33°C on Sat afternoon, min 25°C on Sun night). Wind will be generally light. | |||||||||||||||||||
Fri 28 | Saturday 29 | Sunday 30 | |||||||||||||||||
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 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 9 | S 9 | S 8 | S 8 | S 8 | S 8 | SW 7 | SW 7 | S 9 | S 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 161 | 190 | 210 | 173 | 161 | 153 | 124 | 100 | 140 | 230 | 220 | 169 | 130 | 100 | 78 | 79 | 99 | 146 | 143 |
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 | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 00:22AM0.79m | 10:36AM1.39m | 00:19AM0.86m | 11:20AM1.30m | |||||||||||||||
Low Tide | 5:50PM0.25m | 3:33AM0.72m | 6:08PM0.32m | 4:42AM0.66m | 6:22PM0.41m | ||||||||||||||
 |  |  | | |  | |  | |  | |  | | | | | | | | |
 | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — |
 | 6:57 | — | — | — | — | — | — | — | 6:55 | — | — | — | — | — | — | — | 6:54 | — | — |
mm | 1 | — | — | — | — | — | — | — | 1 | 1 | 2 | — | — | — | — | — | 2 | 1 | 5 |
Temp °C | 31 | 29 | 28 | 27 | 27 | 28 | 31 | 33 | 31 | 28 | 27 | 27 | 27 | 27 | 27 | 30 | 29 | 27 | 26 |
Feels °C | 36 | 34 | 32 | 30 | 29 | 30 | 34 | 35 | 35 | 32 | 31 | 30 | 30 | 30 | 30 | 33 | 32 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 9 | S 9 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 9 | S 8 |
| kJ | 161 | 190 | 210 | 173 | 161 | 153 | 124 | 100 | 140 | 230 | 220 | 169 | 130 | 100 | 78 | 63 | 84 | 146 | 143 |
Swell 2 Height (m) Direction Period (s) | E 14 | E 14 | E 13 | E 13 | E 13 | E 13 | E 13 | E 13 | E 13 | E 13 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 |
| kJ | 15 | 4 | 4 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
Swell 3 Height (m) Direction Period (s) | E 9 | E 10 | E 10 | E 11 | — | E 9 | E 9 | E 9 | — | E 16 | — | — | E 10 | E 9 | E 9 | E 15 | E 15 | E 15 | — |
| kJ | 2 | 2 | 2 | 2 | — | 2 | 2 | 2 | — | 5 | — | — | 2 | 2 | 2 | 4 | 4 | 4 | — |
Wind waves Height (m) Direction Period (s) | SW 5 | WSW 5 | WSW 6 | WSW 3 | WSW 4 | WSW 5 | SW 6 | SW 4 | SW 6 | SW 6 | SW 7 | WSW 7 | SW 6 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 |
| kJ | 32 | 25 | 12 | 7 | 24 | 37 | 33 | 41 | 108 | 56 | 36 | 29 | 32 | 46 | 38 | 79 | 99 | 71 | 91 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 621 | 621 | 621 | 576 | 576 | 717 | 0 | 0 | 576 | 736 | 0 | 0 | 1956 | 1814 | 621 | 0 |
Best forecast wave conditions in Hainan | |||||||||||||||||||
Best forecast wave conditions in China | |||||||||||||||||||
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