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Riyue Bay (Riyuewan) surfForecast / Hainan / China
48hr Weather and Surf, issued 7 am Friday 15 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
28.5° C
(Which is normal for this time of year)How big are the waves at Riyue Bay (Riyuewan) today?
The current surf forecast for Riyue Bay (Riyuewan) at 2PM is: 1.0m 6s primary swell from a South direction and 0.4m 10s secondary swell from a East direction (forecast issued at 07:00am May 15). The wind direction is predicted to be cross-onshore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 May) | 3.5ft (1.0m) | 6s |
| Afternoon (15 May) | 3.5ft (1.0m) | 6s |
| Evening (15 May) | 3.5ft (1.1m) | 6s |
Table - waves today at Riyue Bay (Riyuewan). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 32mm), heaviest during Sun night. Warm (max 32°C on Fri morning, min 26°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Friday 15 | Saturday 16 | Sunday 17 | Mon 18 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
S 5 | S 6 | S 6 | S 6 | S 6 | S 6 | S 6 | S 6 | S 6 | SSE 6 | SSE 6 | SSE 6 | S 6 | SSE 7 | SSE 7 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | S 6 | SSE 6 | SSE 7 | SSE 7 | |
36 | 64 | 95 | 69 | 67 | 77 | 66 | 80 | 146 | 155 | 160 | 182 | 194 | 192 | 158 | 125 | 100 | 103 | 103 | 127 | 161 | 132 | 152 | 131 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 8:33AM1.28m | 10:38PM0.86m | 8:57AM1.44m | 00:37AM0.83m | 9:29AM1.59m | |||||||||||||||||||
Low Tide | 4:02PM0.31m | 2:00AM0.77m | 4:57PM0.11m | 1:38AM0.83m | 5:52PM-0.03m | |||||||||||||||||||
 |  |  | | |  | | | |  |  | | | | | | | | | | | |  | | |
 | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | 6:03 |
 | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:06 | — | — | 7:06 |
— | — | — | — | — | 1 | 1 | 1 | — | — | 1 | 1 | 1 | 1 | — | — | 1 | 2 | — | 1 | 2 | 4 | 9 | 4 | |
Temp °C | 27 | 29 | 32 | 32 | 31 | 29 | 28 | 28 | 27 | 28 | 29 | 28 | 27 | 27 | 26 | 27 | 26 | 28 | 30 | 30 | 29 | 27 | 26 | 26 |
31 | 33 | 34 | 34 | 33 | 34 | 32 | 31 | 31 | 32 | 32 | 31 | 30 | 31 | 30 | 31 | 30 | 33 | 32 | 32 | 32 | 32 | 30 | 30 | |
Swell 1 Height (m) Direction Period (s) | S 5 | S 6 | S 6 | E 10 | E 10 | S 6 | S 6 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | SSE 7 | E 10 | E 10 | SSE 6 | SSE 6 | SSE 6 | E 9 | S 6 | SSW 7 | ENE 9 | ENE 8 |
 kJ | 36 | 64 | 69 | 30 | 30 | 69 | 66 | 17 | 17 | 17 | 17 | 17 | 17 | 192 | 17 | 16 | 100 | 103 | 103 | 15 | 161 | 36 | 80 | 94 |
Swell 2 Height (m) Direction Period (s) | E 10 | E 10 | E 10 | — | — | E 10 | E 10 | — | — | — | E 6 | E 6 | — | E 10 | E 6 | — | E 10 | E 9 | E 9 | ENE 8 | E 5 | ENE 8 | — | — |
| kJ | 28 | 29 | 29 | — | — | 17 | 17 | — | — | — | 3 | 1 | — | 17 | 3 | — | 16 | 16 | 15 | 6 | 8 | 25 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | E 6 | NE 8 | E 6 | ENE 8 | E 9 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 3 | 21 | 15 | — | — |
Wind waves Height (m) Direction Period (s) | — | — | S 6 | S 6 | S 6 | S 6 | — | S 6 | S 6 | SSE 6 | SSE 6 | SSE 6 | S 6 | — | SSE 7 | SSE 6 | — | — | — | SSE 6 | — | SSE 6 | SSE 7 | SSE 7 |
| kJ | — | — | 95 | 69 | 67 | 77 | — | 80 | 146 | 155 | 160 | 182 | 194 | — | 158 | 125 | — | — | — | 127 | — | 132 | 152 | 131 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 75 | 75 | 1183 | 1237 | 1249 | 1246 | 715 | 1243 | 1243 | 75 | 1249 | 1249 | 1249 | 1079 | 1079 | 1079 | 359 | 37 | 1249 | 1249 | 1810 | 362 | 362 | 359 |
Best forecast wave conditions in Hainan | ||||||||||||||||||||||||
Best forecast wave conditions in China | ||||||||||||||||||||||||
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