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 12AM is: 0.8m 8s primary swell from a South direction and 0.8m 6s secondary swell from a East-southeast direction (forecast issued at 07:00pm July 29). The wind direction is predicted to be glassy.
| 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 45mm), heaviest during Thu night. Warm (max 29°C on Thu afternoon, min 26°C on Wed night). Wind will be generally light. | |||||||||||||||||||
Wed 29 | Thursday 30 | Friday 31 | |||||||||||||||||
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 | S 8 | S 8 | S 8 | S 8 | S 8 | S 7 | S 7 | S 7 | S 7 | S 7 | SSE 7 | SSE 7 | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 |
Wave Graph  | |||||||||||||||||||
 kJ | 92 | 84 | 82 | 78 | 98 | 93 | 88 | 81 | 61 | 48 | 56 | 83 | 77 | 74 | 72 | 72 | 89 | 92 | 113 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | glassy | glassy | glassy | glassy | glassy | cross-on | cross-on | cross-on | cross-on | on | glassy | on | on | cross | glassy | glassy | cross-on |
High Tide | 10:03AM1.54m | 10:43AM1.52m | |||||||||||||||||
Low Tide | 6:10PM0.12m | 6:39PM0.13m | 7:04PM0.17m | ||||||||||||||||
 |  |  | | |  | |  | | | |  | | | | |  |  | | |
 | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — |
 | 7:15 | — | — | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:14 | — | — |
mm | — | — | 1 | 1 | 3 | 4 | 2 | — | — | 2 | 3 | 6 | 5 | 2 | 3 | 4 | 1 | — | 1 |
Temp °C | 28 | 27 | 27 | 26 | 27 | 26 | 27 | 29 | 29 | 27 | 27 | 26 | 26 | 27 | 28 | 28 | 26 | 26 | 26 |
Feels °C | 32 | 31 | 32 | 31 | 32 | 32 | 33 | 34 | 34 | 32 | 32 | 30 | 31 | 32 | 33 | 32 | 31 | 31 | 30 |
Swell 1 Height (m) Direction Period (s) | S 8 | S 8 | S 8 | S 8 | S 8 | ESE 6 | ESE 6 | ESE 6 | S 7 | S 7 | S 7 | SSE 7 | SSE 7 | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 |
| kJ | 92 | 84 | 82 | 78 | 98 | 66 | 73 | 71 | 61 | 48 | 56 | 83 | 77 | 74 | 72 | 72 | 89 | 92 | 113 |
Swell 2 Height (m) Direction Period (s) | E 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | S 8 | S 7 | S 7 | ESE 6 | E 6 | ENE 6 | ENE 6 | ESE 5 | E 5 | E 5 | E 5 | E 5 | E 5 | ENE 5 |
| kJ | 24 | 33 | 36 | 57 | 51 | 93 | 88 | 81 | 47 | 31 | 10 | 10 | 9 | 19 | 19 | 12 | 11 | 7 | 4 |
Swell 3 Height (m) Direction Period (s) | SE 6 | SE 6 | E 11 | E 11 | E 11 | ENE 7 | E 8 | ENE 7 | ENE 7 | SE 6 | E 10 | E 10 | ENE 5 | E 10 | E 10 | SE 5 | E 9 | E 9 | E 9 |
| kJ | 12 | 1 | 2 | 2 | 2 | 10 | 1 | 5 | 4 | 18 | 2 | 2 | 9 | 2 | 2 | 7 | 2 | 2 | 2 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | E 6 | ESE 6 | ESE 6 | ESE 5 | ESE 5 | SE 5 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 32 | 21 | 21 | 17 | 10 | 11 | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 1090 | 1078 | 0 | 0 | 0 | 0 | 0 | 1079 | 1079 | 736 | 715 | 347 | 0 | 37 | 1704 | 37 | 0 | 0 | 37 |
Best forecast wave conditions in Hainan | |||||||||||||||||||
Best forecast wave conditions in China | |||||||||||||||||||
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