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Riyue Bay (Riyuewan) surfForecast / Hainan / China
48hr Weather and Surf, issued 1 pm Saturday 16 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
28.9° 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 6PM is: 0.8m 6s primary swell from a South-southeast direction and 0.3m 10s secondary swell from a East direction (forecast issued at 01:00pm May 16). The wind direction is predicted to be onshore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 May) | 2.5ft (0.8m) | 6s |
| Afternoon (16 May) | 3ft (0.9m) | 6s |
| Evening (16 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 59mm), heaviest during Sat afternoon. Warm (max 29°C on Sun morning, min 25°C on Sat afternoon). Wind will be generally light. | ||||||||||||||||||||||||
Sat 16 | Sunday 17 | Monday 18 | Tue 19 | |||||||||||||||||||||
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 | 5 AM | 8 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | S 6 | SSE 6 | ENE 9 | S 7 | S 7 | E 9 | E 9 | E 9 | E 9 | |
42 | 56 | 48 | 68 | 123 | 91 | 66 | 60 | 46 | 85 | 111 | 155 | 151 | 161 | 129 | 130 | 101 | 129 | 176 | 162 | 162 | 162 | 162 | 153 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | glassy | on | glassy | cross | cross | glassy | glassy | cross-on | on | on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 00:37AM0.83m | 9:29AM1.59m | 10:07AM1.71m | |||||||||||||||||||||
Low Tide | 4:57PM0.11m | 1:38AM0.83m | 5:52PM-0.03m | 6:48PM-0.11m | ||||||||||||||||||||
 |  |  |  | | |  | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — |
 | — | — | 7:05 | — | — | — | — | — | — | — | 7:06 | — | — | — | — | — | — | — | 7:06 | — | — | — | — | 7:07 |
— | 2 | 8 | — | — | — | 4 | 4 | 3 | 5 | 5 | 1 | — | 1 | 4 | 2 | 2 | 1 | 1 | 1 | 1 | 2 | 3 | 5 | |
Temp °C | 32 | 28 | 25 | 26 | 26 | 26 | 26 | 28 | 29 | 28 | 27 | 26 | 26 | 26 | 26 | 26 | 28 | 28 | 27 | 26 | 26 | 26 | 26 | 26 |
35 | 34 | 29 | 31 | 30 | 31 | 31 | 34 | 33 | 32 | 31 | 31 | 30 | 30 | 30 | 30 | 31 | 30 | 30 | 29 | 30 | 30 | 30 | 29 | |
Swell 1 Height (m) Direction Period (s) | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | NE 8 | NE 8 | ENE 8 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | S 6 | S 7 | S 7 | S 7 | S 6 | E 9 | E 9 |
 kJ | 42 | 56 | 48 | 50 | 71 | 91 | 66 | 60 | 46 | 17 | 17 | 26 | 151 | 161 | 129 | 107 | 101 | 119 | 176 | 152 | 107 | 81 | 162 | 153 |
Swell 2 Height (m) Direction Period (s) | E 10 | E 10 | E 10 | E 10 | E 10 | E 6 | E 6 | E 5 | E 5 | E 9 | E 9 | E 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | E 9 | E 9 | E 9 | S 6 | S 6 |
| kJ | 17 | 17 | 17 | 17 | 17 | 7 | 12 | 13 | 8 | 16 | 15 | 16 | 26 | 26 | 54 | 70 | 90 | 129 | 132 | 162 | 162 | 162 | 64 | 49 |
Swell 3 Height (m) Direction Period (s) | — | — | ESE 5 | ESE 5 | NE 5 | E 10 | ESE 5 | E 9 | E 9 | — | E 6 | E 9 | E 10 | E 10 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 4 | 3 | 1 | 16 | 9 | 16 | 16 | — | 1 | 15 | 17 | 16 | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | SSE 6 | SSE 6 | — | — | — | — | SSE 6 | SSE 6 | SSE 6 | — | — | — | S 6 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 68 | 123 | — | — | — | — | 85 | 111 | 155 | — | — | — | 130 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 75 | 75 | 1243 | 0 | 37 | 37 | 0 | 0 | 1249 | 1810 | 1079 | 362 | 349 | 347 | 347 | 349 | 347 | 347 | 1810 | 349 | 347 | 347 | 356 | 356 |
Best forecast wave conditions in Hainan | ||||||||||||||||||||||||
Best forecast wave conditions in China | ||||||||||||||||||||||||
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