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Riyue Bay (Riyuewan) surfForecast / Hainan / China
48hr Weather and Surf, issued 1 am Sunday 31 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
29.1° C
(Which is normal for this time of year)How big are the waves at Riyue Bay (Riyuewan) today (31 May):
- Morning surf: Morning surf (31 May, local time) - 0.5ft (0.2m), 9s period with E swell.
- Afternoon surf: Afternoon surf (31 May, local time) - 0.5ft (0.2m), 9s period with E swell.
- Evening surf: Evening surf (31 May, local time) - 0.5ft (0.2m), 9s period with E swell.
The current surf forecast for Riyue Bay (Riyuewan) at 8AM is: 0.2m 9s primary swell from a East direction and 0.2m 5s secondary swell from a South direction (forecast issued at 01:00am May 31). The wind direction is predicted to be glassy.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 May) | 0.5ft (0.2m) | 9s |
| Afternoon (31 May) | 0.5ft (0.2m) | 9s |
| Evening (31 May) | 0.5ft (0.2m) | 9s |
Table - waves today at Riyue Bay (Riyuewan). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Tue afternoon. Warm (max 31°C on Sun morning, min 26°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 31 | Monday 1 | Tuesday 2 | ||||||||||||||||||||||
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 | 5 PM | 8 PM | 11 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | ENE 9 | E 15 | ESE 18 | ESE 17 | E 17 | E 16 | E 15 | E 14 | E 13 | E 13 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | |
6 | 6 | 6 | 7 | 7 | 7 | 7 | 17 | 18 | 60 | 101 | 153 | 179 | 157 | 195 | 171 | 215 | 240 | 229 | 221 | 174 | 177 | 177 | 174 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | glassy | on | on | cross-on | cross-on | glassy | glassy | glassy | glassy | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 9:11AM1.47m | 9:43AM1.51m | 10:18AM1.53m | |||||||||||||||||||||
Low Tide | 5:50PM0.13m | 6:30PM0.10m | 7:12PM0.10m | |||||||||||||||||||||
 | |  | | |  | | | | | | | | | |  | | | | | |  | | | |
 | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:10 | — | — | — | — | — | — | — | 7:12 | — | — | — | — | — | — | — | 7:12 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | |
Temp °C | 27 | 26 | 28 | 31 | 31 | 30 | 28 | 28 | 27 | 26 | 28 | 31 | 31 | 30 | 28 | 28 | 27 | 26 | 28 | 31 | 30 | 29 | 28 | 28 |
33 | 31 | 34 | 35 | 33 | 33 | 32 | 34 | 32 | 31 | 33 | 35 | 33 | 33 | 32 | 32 | 31 | 30 | 32 | 34 | 33 | 33 | 32 | 32 | |
Swell 1 Height (m) Direction Period (s) | S 5 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | ENE 9 | ENE 7 | ESE 18 | ESE 17 | E 17 | E 16 | E 15 | E 14 | E 13 | E 13 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 |
 kJ | 2 | 6 | 6 | 7 | 7 | 7 | 7 | 17 | 4 | 60 | 101 | 153 | 179 | 157 | 195 | 171 | 215 | 240 | 229 | 221 | 174 | 177 | 177 | 174 |
Swell 2 Height (m) Direction Period (s) | E 9 | S 5 | S 5 | S 5 | S 7 | — | S 5 | — | E 9 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | ENE 8 | S 8 | S 7 | S 6 | S 8 | SSE 6 | SSE 6 | S 7 |
| kJ | 6 | 2 | 2 | 2 | 1 | — | 2 | — | 7 | 4 | 23 | 22 | 22 | 32 | 32 | 31 | 21 | 4 | 4 | 3 | 1 | 4 | 4 | 4 |
Swell 3 Height (m) Direction Period (s) | — | — | — | S 7 | S 7 | S 6 | E 16 | E 16 | E 15 | E 9 | — | ESE 18 | S 10 | S 9 | S 8 | S 8 | S 8 | — | — | — | — | S 8 | — | SE 6 |
| kJ | — | — | — | 1 | 1 | 1 | 5 | 5 | 18 | 6 | — | 62 | 2 | 2 | 6 | 5 | 5 | — | — | — | — | 1 | — | 1 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | S 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 2 | SSW 3 | S 3 | S 3 |
| kJ | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 3 | 1 | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1075 | 1075 | 1075 | 1160 | 1157 | 1160 | 1243 | 1075 | 736 | 37 | 0 | 930 | 1183 | 580 | 1079 | 37 | 0 | 0 | 0 | 1173 | 1173 | 1157 | 1157 | 347 |
Best forecast wave conditions in Hainan | ||||||||||||||||||||||||
Best forecast wave conditions in China | ||||||||||||||||||||||||
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