
Surf Forecasts:
How big are the waves at Riyue Bay (Riyuewan) today (30 Jul):
- Morning surf: Morning surf (30 Jul, local time) - 3ft (0.9m), 8s period with S swell.
- Afternoon surf: Afternoon surf (30 Jul, local time) - 3ft (0.9m), 7s period with S swell.
- Evening surf: Evening surf (30 Jul, local time) - 2.5ft (0.7m), 7s period with S swell.
The current surf forecast for Riyue Bay (Riyuewan) at 5PM is: 0.8m 7s primary swell from a South direction and 0.9m 6s secondary swell from a East-southeast direction (forecast issued at 01:00pm July 30). The wind direction is predicted to be onshore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Jul) | 3ft (0.9m) | 8s |
| Afternoon (30 Jul) | 3ft (0.9m) | 7s |
| Evening (30 Jul) | 2.5ft (0.7m) | 7s |
Table - waves today at Riyue Bay (Riyuewan). (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 37mm), heaviest during Fri morning. Warm (max 30°C on Thu afternoon, min 25°C on Fri morning). Wind will be generally light. | |||||||||||||||||||||
Thu 30 | Friday 31 | Saturday 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 | |
Swell Height Map | |||||||||||||||||||||
Wave Height (m) Direction Period (s) | S 7 | S 7 | S 7 | S 7 | S 6 | S 6 | S 6 | S 6 | S 6 | S 6 | S 7 | S 7 | S 7 | SSE 7 | S 7 | SSE 7 | SSE 7 | S 7 | SSE 7 | SSE 7 | SSE 7 |
Wave Graph | |||||||||||||||||||||
88 | 81 | 61 | 47 | 54 | 54 | 78 | 76 | 81 | 86 | 89 | 117 | 120 | 132 | 139 | 128 | 121 | 218 | 197 | 156 | 136 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | cross-on | glassy | glassy | glassy | glassy | cross-on | cross-on | glassy | glassy | cross-on | cross | cross | cross | cross | glassy | glassy |
High Tide | 10:43AM1.52m | 11:22AM1.46m | |||||||||||||||||||
Low Tide | 6:39PM0.13m | 7:04PM0.17m | 7:24PM0.23m | ||||||||||||||||||
— | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | |
— | — | 7:15 | — | — | — | — | — | — | — | 7:14 | — | — | — | — | — | — | — | 7:14 | — | — | |
mm | 1 | 1 | 1 | 1 | 3 | 5 | 7 | 8 | 2 | — | — | 2 | 2 | — | 1 | 1 | — | — | — | — | — |
Temp °C | 30 | 30 | 28 | 27 | 27 | 26 | 26 | 25 | 26 | 28 | 29 | 27 | 27 | 26 | 26 | 26 | 27 | 28 | 27 | 27 | 26 |
Feels °C | 34 | 34 | 32 | 32 | 32 | 30 | 31 | 31 | 32 | 33 | 33 | 31 | 32 | 31 | 31 | 30 | 31 | 31 | 30 | 32 | 32 |
Swell 1 Height (m) Direction Period (s) | ESE 6 | ESE 6 | S 7 | S 7 | S 6 | S 6 | S 6 | S 6 | S 6 | S 6 | S 7 | S 7 | S 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | ENE 7 | SSE 7 | SSE 7 | SSE 7 |
66 | 50 | 61 | 47 | 54 | 54 | 78 | 76 | 81 | 86 | 89 | 117 | 120 | 132 | 132 | 128 | 121 | 5 | 197 | 156 | 136 | |
Swell 2 Height (m) Direction Period (s) | S 7 | S 7 | ESE 6 | E 6 | ESE 6 | ESE 6 | ESE 5 | ESE 5 | ESE 5 | ENE 5 | ENE 5 | E 9 | E 9 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | E 6 | ENE 6 | ENE 6 | ENE 6 |
88 | 81 | 47 | 31 | 12 | 12 | 9 | 10 | 10 | 5 | 5 | 2 | 2 | 8 | 7 | 7 | 7 | 3 | 16 | 13 | 8 | |
Swell 3 Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 7 | SE 6 | ENE 6 | ENE 6 | ENE 5 | ENE 5 | ENE 5 | E 5 | ESE 5 | — | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 |
10 | 5 | 4 | 10 | 10 | 10 | 10 | 5 | 5 | 4 | 2 | — | 6 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | |
Wind waves Height (m) Direction Period (s) | — | — | — | ESE 6 | — | — | — | — | — | — | — | ENE 5 | ENE 5 | — | S 7 | — | — | S 7 | — | — | — |
— | — | — | 18 | — | — | — | — | — | — | — | 5 | 8 | — | 139 | — | — | 218 | — | — | — | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 37 | 1750 | 736 | 1090 | 1090 | 362 | 0 | 0 | 0 | 0 | 1157 | 1699 | 0 | 0 | 37 | 37 | 1699 | 1750 | 75 | 0 | 0 |
Best forecast wave conditions in Hainan | |||||||||||||||||||||
Best forecast wave conditions in China | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)












