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Surf Forecasts:
Riyue Bay (Riyuewan) surfForecast / Hainan / China
48hr Weather and Surf, issued 7 pm Monday 04 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
26.7° C
(Which is 1.0°C colder than average for this time of year)How big are the waves at Riyue Bay (Riyuewan) today?
The current surf forecast for Riyue Bay (Riyuewan) at 1AM is: 0.9m 5s primary swell from a East-northeast direction and 0.2m 9s secondary swell from a East direction (forecast issued at 07:00pm May 04). The wind direction is predicted to be cross-shore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 May) | 3.5ft (1.0m) | 6s |
| Afternoon (05 May) | 2.5ft (0.7m) | 6s |
| Evening (05 May) | 2ft (0.6m) | 6s |
Table - waves today at Riyue Bay (Riyuewan). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 8mm), mostly falling on Tue afternoon. Warm (max 30°C on Thu afternoon, min 24°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Mon 4 | Tuesday 5 | Wednesday 6 | Thu 7 | |||||||||||||||||||||
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 | 5 AM | 8 AM | 11 AM | 2 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
ENE 7 | ENE 6 | ENE 5 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | E 6 | E 6 | E 6 | ENE 8 | ENE 8 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 | E 8 | |
15 | 37 | 33 | 43 | 47 | 62 | 57 | 32 | 32 | 26 | 87 | 112 | 165 | 235 | 230 | 190 | 186 | 186 | 154 | 144 | 134 | 100 | 95 | 93 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross | glassy | glassy | cross-off | cross-off | cross-on | on | on | on | on | on | on | glassy | cross-on | cross-on | |
High Tide | 11:13AM1.48m | 11:47AM1.48m | 12:24PM1.45m | |||||||||||||||||||||
Low Tide | 7:14PM0.15m | 8:00PM0.16m | 8:50PM0.19m | |||||||||||||||||||||
 |  | | | |  | | | |  | | | |  | | | | | | | | | | | |
 | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:07 | — | — | — |
 | 7:00 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | 7:01 |
1 | 1 | 1 | 1 | 1 | — | 1 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 27 | 25 | 25 | 25 | 24 | 25 | 27 | 27 | 27 | 25 | 25 | 24 | 24 | 25 | 28 | 29 | 28 | 26 | 26 | 26 | 26 | 27 | 29 | 30 |
29 | 28 | 28 | 29 | 27 | 28 | 30 | 29 | 30 | 28 | 29 | 29 | 28 | 29 | 31 | 32 | 31 | 30 | 31 | 31 | 31 | 33 | 32 | 33 | |
Swell 1 Height (m) Direction Period (s) | ENE 7 | E 9 | E 9 | E 9 | E 9 | ENE 6 | E 6 | E 6 | E 6 | E 6 | ENE 8 | ENE 8 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 | E 8 |
 kJ | 15 | 6 | 6 | 6 | 7 | 45 | 41 | 32 | 32 | 26 | 87 | 112 | 165 | 235 | 230 | 190 | 186 | 186 | 154 | 144 | 134 | 100 | 95 | 93 |
Swell 2 Height (m) Direction Period (s) | E 9 | — | — | — | E 5 | E 9 | E 9 | E 9 | E 9 | E 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 6 | — | — | — | 1 | 6 | 7 | 7 | 7 | 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | ENE 8 | ENE 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 6 | 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | ENE 3 | ENE 6 | ENE 5 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | 37 | 33 | 43 | 47 | 62 | 57 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1810 | 347 | 347 | 347 | 347 | 0 | 1092 | 1249 | 1157 | 1079 | 0 | 0 | 0 | 0 | 1157 | 1160 | 1160 | 1243 | 715 | 356 | 356 | 0 | 1237 | 1183 |
Best forecast wave conditions in Hainan | ||||||||||||||||||||||||
Best forecast wave conditions in China | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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