Surf Forecasts:
How big are the waves at China Walls today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 2.5ft (0.7m), 17s period with SW swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 2.5ft (0.7m), 16s period with SW swell.
- Evening surf: Evening surf (21 Aug, local time) - 2.5ft (0.7m), 16s period with SW swell.
The current surf forecast for China Walls at 11AM is: 0.7m 17s primary swell from a Southwest direction (forecast issued at 07:00am August 21). An open ocean swell of 0.7m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 2.5ft (0.7m) | 17s |
| Afternoon (21 Aug) | 2.5ft (0.7m) | 16s |
| Evening (21 Aug) | 2.5ft (0.7m) | 16s |
Table - waves today at China Walls. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Fri afternoon, min 25°C on Sat night). Winds increasing (calm on Fri morning, strong winds from the ENE by Sat night). | |||||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | |||||||||||||||||||||
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) | SW 17 | SW 17 | SW 17 | SW 17 | SW 16 | SW 16 | SSW 16 | SSW 16 | SSW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SW 15 | SW 15 | SSW 15 | SW 14 | SW 14 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 288 | 295 | 291 | 284 | 261 | 258 | 322 | 322 | 322 | 261 | 261 | 258 | 255 | 248 | 215 | 212 | 209 | 207 | 116 | 106 | 191 | 99 | 100 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 11:21AM0.57m | 10:59PM0.20m | 12:10PM0.60m | 00:02AM0.21m | 12:51PM0.62m | ||||||||||||||||||
Low Tide | 3:06AM0.11m | 7:49PM0.17m | 4:20AM0.10m | 8:09PM0.14m | 5:23AM0.08m | 8:29PM0.12m | |||||||||||||||||
 |  | | |  | | | | | | | | | | |  | | | | | | | | |
 | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | — | — | 6:55 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:53 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 27 | 28 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 25 | 25 | 25 |
Feels °C | 31 | 31 | 30 | 30 | 28 | 26 | 27 | 28 | 27 | 26 | 24 | 24 | 23 | 22 | 22 | 23 | 23 | 22 | 24 | 23 | 22 | 23 | 22 |
Swell 1 Height (m) Direction Period (s) | SW 17 | SW 17 | SW 17 | ENE 7 | NE 7 | SW 16 | SSW 16 | NE 7 | ENE 7 | ENE 7 | SW 16 | SW 16 | SW 16 | SW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSE 13 | SW 15 | E 8 | SW 14 | SW 14 |
| kJ | 288 | 295 | 291 | 86 | 67 | 258 | 322 | 77 | 141 | 145 | 261 | 258 | 255 | 248 | 215 | 212 | 209 | 207 | 99 | 106 | 51 | 99 | 100 |
Swell 2 Height (m) Direction Period (s) | NNE 6 | ENE 7 | NNE 7 | SW 17 | SW 16 | W 10 | W 10 | SSW 16 | SSW 16 | SW 16 | W 10 | W 10 | W 10 | WNW 10 | W 10 | S 14 | S 14 | S 13 | SW 15 | SSE 13 | SSW 15 | SSE 13 | SSE 13 |
| kJ | 31 | 51 | 40 | 284 | 261 | 48 | 49 | 322 | 322 | 261 | 50 | 51 | 53 | 35 | 52 | 104 | 96 | 90 | 116 | 69 | 191 | 57 | 98 |
Swell 3 Height (m) Direction Period (s) | ENE 7 | NNE 6 | W 11 | W 10 | W 10 | S 11 | E 8 | W 10 | W 10 | S 14 | S 12 | S 12 | S 12 | SSE 12 | S 12 | WNW 10 | WNW 12 | WNW 10 | SSW 15 | SSW 15 | SSE 13 | SSW 15 | SSW 15 |
| kJ | 37 | 33 | 57 | 54 | 49 | 21 | 10 | 50 | 50 | 100 | 47 | 48 | 47 | 49 | 46 | 34 | 52 | 18 | 76 | 76 | 67 | 73 | 72 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | NE 7 | ENE 7 | ENE 7 | E 6 | — | — | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 6 |
| kJ | — | — | — | — | 106 | 96 | 110 | 59 | — | — | 173 | 204 | 238 | 326 | 423 | 423 | 346 | 301 | 301 | 293 | 223 | 261 | 244 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 9 | 12 | 43 | 43 | 12 | 12 | 51 | 51 | 54 | 51 | 51 | 51 | 51 | 51 | 51 | 51 | 51 | 44 | 44 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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