Surf Forecasts:
How big are the waves at Riyue Bay (Riyuewan) today (18 Sep):
- Morning surf: Morning surf (18 Sep, local time) - 5ft (1.5m), 8s period with ENE swell.
- Afternoon surf: Afternoon surf (18 Sep, local time) - 5ft (1.5m), 7s period with ENE swell.
- Evening surf: Evening surf (18 Sep, local time) - 5ft (1.6m), 8s period with E swell.
The current surf forecast for Riyue Bay (Riyuewan) at 3AM is: 1.4m 8s primary swell from a East-northeast direction and 1.1m 8s secondary swell from a East direction, 0.1m 15s secondary swell from a East direction (forecast issued at 07:00pm September 17). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 5ft (1.5m) | 8s |
| Afternoon (18 Sep) | 5ft (1.5m) | 7s |
| Evening (18 Sep) | 5ft (1.6m) | 8s |
Table - waves today at Riyue Bay (Riyuewan). (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 28mm), heaviest during Sat afternoon. Warm (max 30°C on Sun afternoon, min 25°C on Thu night). Wind will be generally light. | |||||||||||||||||||
Thu 17 | Friday 18 | Saturday 19 | |||||||||||||||||
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) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | ENE 8 | ENE 8 | ENE 7 | E 7 | E 8 | E 8 | ENE 7 | ENE 7 | ENE 7 | E 7 | ENE 7 | E 7 | E 7 | E 7 |
Wave Graph  | |||||||||||||||||||
 kJ | 104 | 244 | 244 | 238 | 153 | 231 | 319 | 222 | 245 | 300 | 294 | 365 | 292 | 259 | 186 | 222 | 150 | 124 | 120 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross-off |
High Tide | 1:29AM1.35m | 2:08AM1.34m | |||||||||||||||||
Low Tide | 10:36AM0.37m | 12:11PM0.37m | |||||||||||||||||
 |  |  | |  |  |  | | |  | | | | | | | | | | |
 | — | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — |
 | 6:39 | — | — | — | — | — | — | — | 6:38 | — | — | — | — | — | — | — | 6:37 | — | — |
mm | — | — | — | — | — | — | 1 | 3 | 3 | 1 | 2 | 3 | 2 | 1 | 2 | 5 | 3 | 1 | 1 |
Temp °C | 28 | 26 | 26 | 25 | 25 | 26 | 28 | 28 | 27 | 26 | 26 | 25 | 25 | 26 | 28 | 28 | 27 | 26 | 26 |
Feels °C | 30 | 29 | 30 | 28 | 28 | 29 | 31 | 30 | 29 | 29 | 29 | 28 | 29 | 30 | 31 | 31 | 30 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 13 | ENE 13 | E 14 | E 14 | E 7 | E 7 | E 7 | E 7 | E 7 | E 13 | E 7 | E 7 |
| kJ | 104 | 165 | 165 | 161 | 153 | 149 | 183 | 34 | 17 | 16 | 16 | 279 | 206 | 183 | 186 | 155 | 13 | 124 | 120 |
Swell 2 Height (m) Direction Period (s) | ENE 12 | — | — | E 15 | E 15 | E 15 | — | — | — | — | — | E 14 | E 14 | E 14 | — | — | ENE 13 | E 13 | E 13 |
| kJ | 27 | — | — | 4 | 4 | 4 | — | — | — | — | — | 16 | 15 | 15 | — | — | 32 | 13 | 13 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | ENE 3 | ENE 8 | ENE 8 | ENE 8 | — | ENE 8 | ENE 8 | ENE 7 | E 7 | E 8 | E 8 | ENE 7 | ENE 7 | ENE 7 | — | ENE 7 | E 7 | — | — |
| kJ | 1 | 244 | 244 | 238 | — | 231 | 319 | 222 | 245 | 300 | 294 | 365 | 292 | 259 | — | 222 | 150 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 1089 | 715 | 359 | 0 | 0 | 0 | 1249 | 1249 | 1079 | 1079 | 0 | 0 | 0 | 0 | 347 | 1157 | 1079 | 1079 | 0 |
Best forecast wave conditions in Hainan | |||||||||||||||||||
Best forecast wave conditions in China | |||||||||||||||||||
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