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Riyue Bay (Riyuewan) surfForecast / Hainan / China
48hr Weather and Surf, issued 7 am Saturday 09 May 2026 CSTForecast update in hr min s Forecast update imminent
Riyue Bay (Riyuewan) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Riyue Bay (Riyuewan) sea temperature is
27.6° C
(Which is slightly cooler than normal)How big are the waves at Riyue Bay (Riyuewan) today?
The current surf forecast for Riyue Bay (Riyuewan) at 1PM is: 0.4m 9s primary swell from a East-northeast direction and 0.3m 2s secondary swell from a East direction (forecast issued at 07:00am May 09). The wind direction is predicted to be cross-onshore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 May) | 1.5ft (0.4m) | 9s |
| Afternoon (09 May) | 1.5ft (0.4m) | 10s |
| Evening (09 May) | 1.5ft (0.4m) | 10s |
Table - waves today at Riyue Bay (Riyuewan). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 12mm), heaviest on Sun afternoon. Warm (max 29°C on Sat morning, min 24°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 9 | Sunday 10 | Monday 11 | Tue 12 | |||||||||||||||||||||
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 | 2 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
E 9 | ENE 9 | ENE 9 | ENE 10 | ENE 10 | E 10 | E 10 | E 10 | ENE 6 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 9 | E 9 | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 | |
42 | 29 | 29 | 30 | 31 | 29 | 30 | 16 | 55 | 181 | 306 | 322 | 361 | 293 | 205 | 201 | 215 | 225 | 225 | 215 | 169 | 133 | 127 | 95 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-on | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-on | on | on | cross-on | glassy | glassy | |
High Tide | 1:49PM1.35m | 2:44PM1.28m | 3:59PM1.18m | |||||||||||||||||||||
Low Tide | 11:32PM0.28m | 00:14AM0.31m | 00:48AM0.37m | |||||||||||||||||||||
 |  |  |  | |  | | |  | | | | | | | | | | | | | | | | |
 | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | 6:05 |
 | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:04 | — | — | 7:04 |
1 | — | 1 | — | — | — | 1 | 1 | — | — | 2 | 3 | 2 | 1 | 1 | — | — | — | — | — | — | — | — | — | |
Temp °C | 25 | 26 | 29 | 29 | 28 | 26 | 26 | 25 | 24 | 26 | 27 | 27 | 27 | 26 | 25 | 25 | 24 | 26 | 28 | 29 | 28 | 27 | 26 | 25 |
29 | 30 | 32 | 31 | 30 | 29 | 30 | 29 | 27 | 30 | 30 | 30 | 30 | 30 | 29 | 29 | 28 | 30 | 31 | 32 | 31 | 32 | 31 | 30 | |
Swell 1 Height (m) Direction Period (s) | E 9 | ENE 9 | ENE 9 | ENE 10 | ENE 10 | E 10 | E 10 | E 10 | E 5 | E 6 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 |
 kJ | 42 | 29 | 29 | 30 | 31 | 29 | 30 | 16 | 20 | 47 | 163 | 212 | 195 | 200 | 205 | 201 | 215 | 225 | 225 | 215 | 169 | 133 | 127 | 95 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | E 6 | E 10 | E 9 | — | — | — | — | — | — | — | — | — | — | — | — | E 10 | E 10 |
| kJ | — | — | — | — | — | — | — | 3 | 29 | 27 | — | — | — | — | — | — | — | — | — | — | — | — | 47 | 49 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | NE 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | E 3 | — | ENE 4 | E 4 | E 5 | ENE 6 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 1 | — | 6 | 10 | 16 | 55 | 181 | 306 | 322 | 361 | 293 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1243 | 1243 | 1699 | 1249 | 1249 | 1081 | 715 | 715 | 0 | 0 | 1249 | 1157 | 1160 | 1243 | 0 | 0 | 0 | 0 | 1157 | 1157 | 1157 | 353 | 0 | 0 |
Best forecast wave conditions in Hainan | ||||||||||||||||||||||||
Best forecast wave conditions in China | ||||||||||||||||||||||||
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