Surf Forecasts:
How big are the waves at Riyue Bay (Riyuewan) today (25 Aug):
- Morning surf: Morning surf (25 Aug, local time) - 4ft (1.2m), 8s period with S swell.
- Afternoon surf: Afternoon surf (25 Aug, local time) - 5.5ft (1.7m), 8s period with SSW swell.
- Evening surf: Evening surf (25 Aug, local time) - 4.5ft (1.4m), 8s period with SSE swell.
The current surf forecast for Riyue Bay (Riyuewan) at 3PM is: 1.7m 8s primary swell from a South-southwest direction and 0.2m 18s secondary swell from a East direction, 0.1m 15s secondary swell from a East direction (forecast issued at 07:00am August 25). The wind direction is predicted to be cross-shore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Aug) | 4ft (1.2m) | 8s |
| Afternoon (25 Aug) | 5.5ft (1.7m) | 8s |
| Evening (25 Aug) | 4.5ft (1.4m) | 8s |
Table - waves today at Riyue Bay (Riyuewan). (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Thu afternoon. Warm (max 33°C on Thu afternoon, min 26°C on Wed night). Winds decreasing (fresh winds from the SW on Tue afternoon, light winds from the WSW by Thu night). | |||||||||||||||||||||||
Tuesday 25 | Wednesday 26 | Thursday 27 | |||||||||||||||||||||
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 | S 8 | S 8 | SSW 8 | S 8 | SSE 8 | SSE 8 | SSE 8 | ESE 18 | ESE 17 | ESE 16 | ESE 17 | ESE 17 | E 16 | E 16 | S 9 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 9 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 228 | 190 | 181 | 356 | 374 | 277 | 290 | 290 | 246 | 290 | 363 | 499 | 505 | 422 | 322 | 294 | 239 | 190 | 182 | 277 | 206 | 228 | 297 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross | cross-off | cross-off | cross | cross | cross | cross | cross | cross-off | cross-off | cross | cross | cross | cross-off | cross-off |
High Tide | 7:22AM1.40m | 8:18AM1.44m | 9:07AM1.46m | ||||||||||||||||||||
Low Tide | 4:35PM0.20m | 5:04PM0.19m | 5:29PM0.20m | ||||||||||||||||||||
 |  | | | |  | |  | | |  | | | | | | |  | | |  | | | |
 | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — |
 | — | — | — | — | 6:59 | — | — | — | — | — | — | — | 6:59 | — | — | — | — | — | — | — | 6:58 | — | — |
mm | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — |
Temp °C | 28 | 28 | 29 | 30 | 29 | 28 | 28 | 28 | 28 | 28 | 29 | 30 | 30 | 28 | 27 | 27 | 26 | 28 | 31 | 33 | 30 | 29 | 28 |
Feels °C | 29 | 31 | 30 | 30 | 31 | 30 | 30 | 29 | 29 | 29 | 31 | 31 | 33 | 32 | 30 | 30 | 29 | 30 | 33 | 35 | 34 | 34 | 33 |
Swell 1 Height (m) Direction Period (s) | S 8 | S 8 | S 8 | E 18 | ESE 19 | SSE 8 | SSE 8 | SSE 8 | S 8 | S 8 | S 8 | SSE 8 | SSE 8 | S 8 | S 9 | S 9 | S 8 | S 8 | S 8 | E 13 | S 8 | S 8 | S 9 |
| kJ | 228 | 190 | 181 | 6 | 37 | 277 | 290 | 290 | 234 | 186 | 186 | 192 | 192 | 234 | 297 | 290 | 239 | 190 | 182 | 80 | 206 | 228 | 297 |
Swell 2 Height (m) Direction Period (s) | E 16 | E 16 | E 18 | E 15 | E 9 | ESE 19 | ESE 19 | E 18 | ESE 18 | ESE 17 | ESE 16 | ESE 17 | ESE 17 | E 16 | E 16 | E 15 | E 14 | E 14 | E 13 | E 13 | E 12 | E 12 | E 11 |
| kJ | 5 | 5 | 6 | 4 | 2 | 73 | 118 | 162 | 246 | 290 | 363 | 499 | 505 | 422 | 322 | 294 | 202 | 138 | 85 | 121 | 46 | 25 | 23 |
Swell 3 Height (m) Direction Period (s) | E 9 | E 9 | E 15 | E 21 | — | E 9 | E 9 | — | — | — | — | — | — | — | WSW 6 | — | WSW 6 | SW 6 | WSW 6 | — | — | — | E 15 |
| kJ | 2 | 2 | 4 | 9 | — | 2 | 2 | — | — | — | — | — | — | — | 78 | — | 4 | 1 | 10 | — | — | — | 4 |
Wind waves Height (m) Direction Period (s) | WSW 6 | SW 4 | WSW 5 | SSW 8 | S 8 | WSW 7 | SW 7 | SW 4 | SW 5 | WSW 6 | SW 4 | SW 5 | SW 5 | SW 5 | SW 6 | WSW 6 | — | — | SW 6 | S 8 | SW 5 | WSW 5 | WSW 6 |
| kJ | 3 | 10 | 37 | 356 | 374 | 66 | 47 | 23 | 82 | 53 | 28 | 64 | 55 | 31 | 10 | 4 | — | — | 1 | 277 | 51 | 17 | 3 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 1090 | 1183 | 347 | 347 | 347 | 347 | 347 | 347 | 347 | 347 | 347 | 1243 | 733 | 75 | 347 | 75 | 0 | 347 | 353 | 1243 | 733 | 0 | 0 |
Best forecast wave conditions in Hainan | |||||||||||||||||||||||
Best forecast wave conditions in China | |||||||||||||||||||||||
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