Surf Forecasts:
How big are the waves at China Walls today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 2ft (0.6m), 18s period with SSW swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 2ft (0.6m), 18s period with SSW swell.
- Evening surf: Evening surf (20 Aug, local time) - 2ft (0.6m), 16s period with SSW swell.
The current surf forecast for China Walls at 8PM is: 0.6m 17s primary swell from a South-southwest direction (forecast issued at 01:00pm August 20). An open ocean swell of 1.1m 7s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 2.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 2ft (0.6m) | 18s |
| Afternoon (20 Aug) | 2ft (0.6m) | 18s |
| Evening (20 Aug) | 2ft (0.6m) | 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 Thu night). Winds increasing (calm on Thu night, strong winds from the ENE by Sun morning). | |||||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | |||||||||||||||||||
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) | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 16 | SW 16 | 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 |
Wave Graph  | |||||||||||||||||||||
 kJ | 207 | 207 | 200 | 184 | 177 | 274 | 288 | 295 | 291 | 284 | 261 | 258 | 322 | 322 | 322 | 261 | 261 | 258 | 255 | 251 | 215 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | cross-off | cross | glassy | glassy | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 10:20AM0.55m | 8:45PM0.20m | 11:21AM0.57m | 10:59PM0.20m | 12:10PM0.60m | ||||||||||||||||
Low Tide | 7:38PM0.20m | 3:06AM0.11m | 7:49PM0.17m | 4:20AM0.10m | 8:09PM0.14m | ||||||||||||||||
 | | |  | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | 6:57 | — | — | — | — | — | — | — | 6:55 | — | — | — | — | — | — | — | 6:54 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 27 | 27 | 26 | 26 | 25 | 25 | 25 | 26 | 27 | 28 | 26 | 26 | 26 | 25 | 26 | 26 | 26 | 25 | 25 | 25 |
Feels °C | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 30 | 30 | 28 | 28 | 29 | 27 | 27 | 24 | 24 | 22 | 22 | 22 |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | NE 7 | SW 17 | SW 17 | ENE 7 | NE 7 | ENE 7 | ENE 7 | SSW 16 | SSW 16 | E 6 | SW 16 | SW 16 | SW 16 | SW 16 | SSW 16 |
| kJ | 54 | 72 | 131 | 131 | 111 | 108 | 67 | 295 | 291 | 86 | 67 | 81 | 78 | 322 | 322 | 65 | 261 | 258 | 255 | 251 | 215 |
Swell 2 Height (m) Direction Period (s) | NE 6 | NE 7 | SSW 17 | SSW 17 | SSW 16 | SW 16 | SW 17 | ENE 7 | NNE 7 | SW 17 | SW 16 | SW 16 | SSW 16 | W 10 | W 10 | NE 7 | W 10 | W 10 | W 11 | WNW 11 | WNW 10 |
| kJ | 42 | 55 | 200 | 184 | 177 | 274 | 288 | 51 | 41 | 284 | 261 | 258 | 322 | 50 | 50 | 54 | 50 | 51 | 57 | 66 | 63 |
Swell 3 Height (m) Direction Period (s) | SSW 18 | SSW 18 | W 11 | W 10 | W 10 | W 9 | W 9 | NNE 7 | W 11 | W 10 | W 10 | W 10 | W 10 | S 13 | S 13 | SW 16 | S 12 | S 12 | S 12 | S 12 | S 12 |
| kJ | 207 | 207 | 37 | 32 | 30 | 27 | 27 | 46 | 57 | 54 | 49 | 48 | 49 | 54 | 54 | 261 | 47 | 48 | 47 | 46 | 46 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | ENE 7 | ENE 7 | — | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 83 | 117 | — | 135 | 168 | 198 | 307 | 308 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 0 | 12 | 44 | 51 | 51 | 46 | 51 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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