Surf Forecasts:
How big are the waves at Riyue Bay (Riyuewan) today (28 Aug):
- Morning surf: Morning surf (28 Aug, local time) - 3.5ft (1.1m), 8s period with S swell.
- Afternoon surf: Afternoon surf (28 Aug, local time) - 3.5ft (1.1m), 8s period with S swell.
- Evening surf: Evening surf (28 Aug, local time) - 4ft (1.2m), 8s period with S swell.
The current surf forecast for Riyue Bay (Riyuewan) at 9AM is: 1.1m 8s primary swell from a South direction and 0.2m 10s secondary swell from a East direction (forecast issued at 01:00am August 28). An open ocean swell of 0.3m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Aug) | 3.5ft (1.1m) | 8s |
| Afternoon (28 Aug) | 3.5ft (1.1m) | 8s |
| Evening (28 Aug) | 4ft (1.2m) | 8s |
Table - waves today at Riyue Bay (Riyuewan). (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 10mm), heaviest on Sun afternoon. Warm (max 32°C on Fri afternoon, min 26°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Friday 28 | Saturday 29 | Sunday 30 | ||||||||||||||||||||||
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) | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | 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 8 | S 8 | S 9 | S 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 235 | 191 | 161 | 137 | 137 | 161 | 195 | 210 | 201 | 165 | 157 | 127 | 127 | 185 | 230 | 215 | 199 | 165 | 130 | 133 | 132 | 169 | 215 | 169 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | cross | cross | 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 | cross-off | cross-off | cross-off |
High Tide | 1:02AM0.77m | 9:52AM1.44m | 00:22AM0.79m | 10:36AM1.39m | 00:19AM0.86m | 11:20AM1.30m | ||||||||||||||||||
Low Tide | 1:48AM0.77m | 5:50PM0.25m | 3:33AM0.72m | 6:08PM0.32m | 4:42AM0.66m | 6:22PM0.41m | ||||||||||||||||||
 | |  | | | |  | | | | | | |  |  |  | | | | | | | | | |
 | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:57 | — | — | — | — | — | — | — | 6:55 | — | — | — | — | — | — | — | 6:54 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 1 | 1 | — | — | — | 1 | 3 | 1 | 1 |
Temp °C | 28 | 27 | 28 | 31 | 32 | 32 | 29 | 27 | 27 | 27 | 28 | 31 | 32 | 30 | 28 | 27 | 27 | 26 | 27 | 31 | 30 | 29 | 27 | 26 |
Feels °C | 31 | 30 | 32 | 33 | 34 | 36 | 33 | 31 | 30 | 29 | 31 | 33 | 34 | 33 | 31 | 30 | 30 | 29 | 30 | 34 | 34 | 33 | 31 | 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 8 | S 8 | S 8 | S 8 | S 9 | S 9 | S 9 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 9 | S 8 |
| kJ | 235 | 191 | 161 | 137 | 137 | 161 | 195 | 210 | 201 | 165 | 157 | 127 | 127 | 185 | 230 | 215 | 199 | 165 | 130 | 133 | 130 | 169 | 215 | 169 |
Swell 2 Height (m) Direction Period (s) | E 11 | E 10 | E 10 | E 11 | E 14 | 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 | 21 | 8 | 8 | 10 | 4 | 15 | 4 | 4 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
Swell 3 Height (m) Direction Period (s) | E 15 | E 15 | E 15 | E 9 | E 11 | E 9 | E 11 | E 10 | E 11 | — | E 9 | E 9 | E 9 | E 9 | E 16 | — | — | — | E 10 | E 9 | E 15 | E 15 | E 15 | E 9 |
| kJ | 4 | 4 | 4 | 2 | 3 | 2 | 2 | 2 | 2 | — | 1 | 2 | 2 | 2 | 5 | — | — | — | 2 | 2 | 4 | 4 | 4 | 2 |
Wind waves Height (m) Direction Period (s) | SW 4 | WSW 4 | W 5 | SW 3 | SW 4 | SW 5 | SW 5 | SW 4 | WSW 4 | WSW 4 | WSW 4 | WSW 4 | SW 5 | SW 5 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | SW 6 | SW 6 | SW 6 | SW 7 | SW 7 |
| kJ | 17 | 8 | 4 | 6 | 29 | 53 | 45 | 20 | 8 | 13 | 13 | 22 | 61 | 94 | 61 | 32 | 7 | 40 | 47 | 58 | 132 | 136 | 85 | 52 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 347 | 0 | 0 | 362 | 1750 | 1183 | 0 | 0 | 621 | 621 | 621 | 621 | 1173 | 1157 | 736 | 0 | 0 | 0 | 0 | 0 | 1963 | 0 | 0 | 0 |
Best forecast wave conditions in Hainan | ||||||||||||||||||||||||
Best forecast wave conditions in China | ||||||||||||||||||||||||
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