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Riyue Bay (Riyuewan) surfForecast / Hainan / China
48hr Weather and Surf, issued 1 pm Tuesday 28 Apr 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
26.5° 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 9PM is: 0.6m 4s primary swell from a South direction and 0.3m 5s secondary swell from a East direction, 0.1m 10s secondary swell from a East direction (forecast issued at 01:00pm April 28). The wind direction is predicted to be cross-onshore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Apr) | 1.5ft (0.4m) | 6s |
| Afternoon (28 Apr) | 1.5ft (0.4m) | 5s |
| Evening (28 Apr) | 2ft (0.6m) | 4s |
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 18mm), heaviest on Wed afternoon. Warm (max 30°C on Wed morning, min 23°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Tue 28 | Wednesday 29 | Thursday 30 | Fri 1 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
ENE 6 | ENE 5 | S 4 | S 4 | S 4 | SSW 5 | S 5 | S 5 | S 5 | S 5 | S 6 | S 6 | S 6 | S 6 | S 6 | ENE 7 | S 5 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | |
10 | 10 | 12 | 13 | 14 | 9 | 16 | 24 | 27 | 37 | 40 | 31 | 30 | 22 | 21 | 15 | 8 | 26 | 41 | 55 | 52 | 75 | 37 | 27 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-on | glassy | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross-off | cross-off | cross-off | |
High Tide | 8:14PM1.02m | 9:14AM1.08m | 9:30PM0.95m | 9:23AM1.18m | 10:42PM0.89m | |||||||||||||||||||
Low Tide | 2:39PM0.73m | 2:45AM0.54m | 3:41PM0.57m | 2:58AM0.64m | 4:29PM0.43m | 3:04AM0.73m | ||||||||||||||||||
 | | |  |  | | |  | |  |  |  | | | |  | | | |  | | | | | |
 | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — |
 | — | — | 6:59 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | 7:00 |
— | — | — | — | — | — | — | — | — | 7 | 10 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 28 | 29 | 28 | 26 | 26 | 25 | 25 | 27 | 30 | 28 | 27 | 25 | 24 | 23 | 23 | 23 | 26 | 27 | 25 | 24 | 24 | 23 | 23 | 24 |
30 | 30 | 30 | 30 | 30 | 29 | 29 | 31 | 34 | 33 | 31 | 28 | 27 | 25 | 25 | 24 | 27 | 27 | 26 | 25 | 26 | 26 | 26 | 26 | |
Swell 1 Height (m) Direction Period (s) | ENE 6 | ENE 5 | ENE 5 | E 5 | SSE 4 | SE 4 | S 5 | S 5 | S 5 | S 5 | S 6 | S 6 | S 6 | S 6 | S 6 | S 5 | S 5 | S 5 | S 5 | S 5 | S 5 | ENE 6 | ENE 6 | ENE 6 |
 kJ | 10 | 10 | 9 | 5 | 8 | 5 | 16 | 24 | 27 | 37 | 40 | 31 | 30 | 22 | 21 | 14 | 8 | 8 | 4 | 2 | 2 | 41 | 37 | 27 |
Swell 2 Height (m) Direction Period (s) | E 9 | E 9 | E 10 | E 10 | E 5 | SSW 5 | E 5 | E 5 | E 7 | ENE 7 | ENE 7 | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 6 | E 9 | E 10 | — | E 9 | S 5 | — | — |
| kJ | 2 | 2 | 2 | 2 | 5 | 7 | 5 | 5 | 9 | 15 | 15 | 14 | 14 | 15 | 15 | 15 | 8 | 2 | 2 | — | 2 | 2 | — | — |
Swell 3 Height (m) Direction Period (s) | SE 5 | ENE 8 | E 10 | E 8 | SSW 5 | E 5 | E 8 | E 7 | E 5 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | — | — | — | E 6 | E 6 | E 6 | E 5 |
| kJ | 1 | 7 | 2 | 1 | 5 | 5 | 1 | 4 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | — | — | — | 1 | 1 | 1 | 1 |
Wind waves Height (m) Direction Period (s) | SSE 4 | S 4 | S 4 | S 4 | S 4 | SSW 5 | — | — | — | — | — | — | NNE 3 | NNE 3 | NNE 3 | NE 4 | NE 4 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | — | — |
| kJ | 5 | 7 | 12 | 13 | 14 | 9 | — | — | — | — | — | — | 1 | 1 | 1 | 3 | 2 | 26 | 41 | 55 | 52 | 75 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1373 | 1249 | 1249 | 359 | 359 | 349 | 75 | 75 | 349 | 1249 | 1173 | 1173 | 1157 | 347 | 356 | 356 | 843 | 843 | 347 | 347 | 347 | 0 | 75 | 75 |
Best forecast wave conditions in Hainan | ||||||||||||||||||||||||
Best forecast wave conditions in China | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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