Surf Forecasts:
How big are the waves at China Walls today (13 Aug):
- Morning surf: Morning surf (13 Aug, local time) - 4ft (1.2m), 16s period with S swell.
- Afternoon surf: Afternoon surf (13 Aug, local time) - 4ft (1.2m), 16s period with S swell.
- Evening surf: Evening surf (13 Aug, local time) - 3.5ft (1.1m), 15s period with S swell.
The current surf forecast for China Walls at 9PM is: 1.1m 15s primary swell from a South direction and 0.2m 12s secondary swell from a West direction (forecast issued at 01:00pm August 13). An open ocean swell of 2.0m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Aug) | 4ft (1.2m) | 16s |
| Afternoon (13 Aug) | 4ft (1.2m) | 16s |
| Evening (13 Aug) | 3.5ft (1.1m) | 15s |
Table - waves today at China Walls. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 36mm), heaviest during Sun morning. Warm (max 26°C on Thu afternoon, min 25°C on Thu afternoon). Mainly near gales. | |||||||||||||||||||||
Thu 13 | Friday 14 | Saturday 15 | |||||||||||||||||||
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 16 | S 16 | S 15 | S 15 | S 15 | S 15 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 501 | 715 | 662 | 544 | 537 | 537 | 524 | 510 | 411 | 411 | 411 | 329 | 324 | 243 | 229 | 225 | 222 | 168 | 168 | 171 | 171 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore 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 | 3:49PM0.71m | 4:15AM0.41m | 4:22PM0.64m | 5:04AM0.45m | 4:53PM0.55m | ||||||||||||||||
Low Tide | 9:11AM0.01m | 10:50PM0.04m | 10:01AM0.07m | 11:17PM0.04m | 10:54AM0.13m | ||||||||||||||||
 | | |  | | | | | | | | |  |  | | | | |  | | | |
 | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | 7:01 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:00 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — |
Temp °C | 25 | 26 | 25 | 26 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 |
Feels °C | 22 | 23 | 22 | 24 | 22 | 21 | 22 | 21 | 23 | 23 | 23 | 22 | 22 | 22 | 21 | 22 | 21 | 21 | 21 | 21 | 20 |
Swell 1 Height (m) Direction Period (s) | S 16 | S 16 | S 15 | S 15 | S 15 | S 15 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 |
| kJ | 501 | 715 | 662 | 544 | 537 | 537 | 524 | 510 | 411 | 411 | 411 | 329 | 324 | 243 | 229 | 225 | 222 | 168 | 168 | 171 | 171 |
Swell 2 Height (m) Direction Period (s) | SSW 12 | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | W 12 | W 12 | W 12 | E 11 | SSW 18 | SSW 18 | W 11 | W 11 | W 11 | W 11 | W 11 | S 16 | S 18 | S 18 |
| kJ | 113 | 11 | 11 | 11 | 10 | 10 | 10 | 11 | 11 | 11 | 62 | 30 | 30 | 9 | 21 | 9 | 21 | 23 | 80 | 57 | 99 |
Swell 3 Height (m) Direction Period (s) | W 12 | SW 19 | SW 19 | SW 19 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SSW 18 | W 12 | W 12 | W 11 | SSW 18 | SSW 17 | SW 17 | SW 17 | S 16 | W 13 | W 13 | W 13 |
| kJ | 11 | 14 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 30 | 11 | 10 | 10 | 30 | 29 | 12 | 12 | 42 | 30 | 30 | 30 |
Wind waves Height (m) Direction Period (s) | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | ENE 9 | E 9 | ENE 9 | ENE 9 | E 10 |
| kJ | 220 | 268 | 276 | 307 | 408 | 487 | 500 | 512 | 540 | 507 | 482 | 637 | 843 | 976 | 1173 | 1502 | 1830 | 2023 | 2327 | 2630 | 3235 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 56 | 114 | 56 | 44 | 44 | 47 | 45 | 114 | 56 | 114 | 114 | 56 | 213 | 213 | 213 | 117 | 213 | 143 | 213 | 144 | 213 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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