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) - 2.5ft (0.8m), 7s period with S swell.
- Evening surf: Evening surf (30 Jul, local time) - 2.5ft (0.8m), 6s period with SSE swell.
The current surf forecast for Riyue Bay (Riyuewan) at 6AM is: 1.4m 6s primary swell from a Southeast direction and 0.9m 8s secondary swell from a South direction, 0.8m 6s secondary swell from a East-southeast direction (forecast issued at 01:00am July 30). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Jul) | 3ft (0.9m) | 8s |
| Afternoon (30 Jul) | 2.5ft (0.8m) | 7s |
| Evening (30 Jul) | 2.5ft (0.8m) | 6s |
Table - waves today at Riyue Bay (Riyuewan). (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 24mm), heaviest during Thu night. Warm (max 29°C on Thu morning, min 25°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 30 | Friday 31 | Saturday 1 | ||||||||||||||||||||||
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 |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | S 8 | SE 6 | S 8 | S 7 | S 7 | S 7 | SSE 6 | S 7 | S 6 | S 7 | S 6 | S 6 | S 7 | S 7 | SSE 7 | S 7 | S 7 | S 7 | S 7 | S 6 | S 7 | S 7 | SSE 7 | SSE 7 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 78 | 144 | 95 | 88 | 81 | 61 | 55 | 56 | 54 | 56 | 54 | 68 | 107 | 111 | 121 | 117 | 117 | 94 | 92 | 104 | 130 | 138 | 151 | 140 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | glassy | cross-on | on | on | cross-on | on | on | on | on | on | cross-on | on | glassy | on | glassy | glassy | glassy | cross | cross | cross | cross | cross |
High Tide | 10:03AM1.54m | 10:43AM1.52m | 11:22AM1.46m | |||||||||||||||||||||
Low Tide | 6:39PM0.13m | 7:04PM0.17m | 7:24PM0.23m | |||||||||||||||||||||
 | |  | | |  | | | | | | | | |  | | | |  | | |  |  | | |
 | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:14 | — | — | — | — | — | — | — | 7:14 | — | — |
mm | 1 | 1 | 1 | 1 | 1 | — | 2 | 3 | 2 | 3 | 2 | 1 | — | — | — | 1 | 3 | 1 | — | 1 | — | 1 | — | — |
Temp °C | 26 | 27 | 27 | 29 | 29 | 29 | 27 | 27 | 26 | 26 | 26 | 27 | 27 | 28 | 27 | 27 | 26 | 26 | 27 | 28 | 27 | 26 | 25 | 26 |
Feels °C | 32 | 33 | 32 | 33 | 33 | 34 | 32 | 32 | 30 | 31 | 31 | 32 | 31 | 32 | 32 | 32 | 31 | 31 | 33 | 31 | 29 | 30 | 29 | 30 |
Swell 1 Height (m) Direction Period (s) | ESE 6 | S 8 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | SSE 6 | S 7 | S 6 | S 7 | S 6 | S 6 | S 7 | S 7 | SSE 7 | S 7 | S 7 | S 7 | S 7 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | SSE 7 |
| kJ | 57 | 98 | 62 | 66 | 50 | 45 | 55 | 56 | 54 | 56 | 54 | 68 | 107 | 111 | 121 | 117 | 117 | 94 | 92 | 11 | 11 | 6 | 6 | 140 |
Swell 2 Height (m) Direction Period (s) | S 8 | ESE 6 | S 8 | S 7 | S 7 | S 7 | E 6 | ESE 6 | SE 6 | ENE 5 | E 5 | E 5 | ENE 5 | ENE 5 | E 9 | ENE 5 | ENE 6 | ENE 6 | ENE 6 | E 9 | E 9 | E 9 | E 9 | ENE 6 |
| kJ | 78 | 51 | 95 | 88 | 81 | 61 | 23 | 12 | 15 | 10 | 19 | 19 | 8 | 5 | 2 | 5 | 8 | 13 | 12 | 2 | 2 | 2 | 2 | 6 |
Swell 3 Height (m) Direction Period (s) | E 11 | NE 7 | — | ENE 7 | ENE 7 | E 10 | E 10 | ENE 6 | ENE 6 | SE 5 | E 10 | E 10 | E 10 | ESE 5 | E 9 | E 9 | E 9 | E 9 | E 9 | — | E 11 | E 11 | E 11 | E 9 |
| kJ | 2 | 2 | — | 10 | 5 | 2 | 2 | 10 | 10 | 4 | 2 | 2 | 2 | 4 | 6 | 6 | 2 | 2 | 2 | — | 2 | 2 | 2 | 2 |
Wind waves Height (m) Direction Period (s) | — | SE 6 | — | — | — | SE 6 | ESE 6 | — | — | ESE 5 | ESE 5 | — | — | — | — | — | — | — | — | S 6 | S 7 | S 7 | SSE 7 | — |
| kJ | — | 144 | — | — | — | 23 | 18 | — | — | 10 | 10 | — | — | — | — | — | — | — | — | 104 | 130 | 138 | 151 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 37 | 1079 | 736 | 1078 | 1078 | 347 | 347 | 362 | 362 | 1157 | 1157 | 0 | 1699 | 0 | 0 | 0 | 1699 | 1750 | 37 | 37 | 715 |
Best forecast wave conditions in Hainan | ||||||||||||||||||||||||
Best forecast wave conditions in China | ||||||||||||||||||||||||
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