Surf Forecasts:
How big are the waves at China Walls today (21 Sep):
- Morning surf: Morning surf (21 Sep, local time) - 3ft (0.9m), 14s period with SSW swell.
- Afternoon surf: Afternoon surf (21 Sep, local time) - 2.5ft (0.8m), 14s period with SSW swell.
- Evening surf: Evening surf (21 Sep, local time) - 2.5ft (0.8m), 13s period with S swell.
The current surf forecast for China Walls at 10PM is: 0.8m 13s primary swell from a South direction and 0.4m 14s secondary swell from a Southwest direction (forecast issued at 01:00pm September 21). An open ocean swell of 1.7m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | 3ft (0.9m) | 14s |
| Afternoon (21 Sep) | 2.5ft (0.8m) | 14s |
| Evening (21 Sep) | 2.5ft (0.8m) | 13s |
Table - waves today at China Walls. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 26°C on Mon afternoon, min 25°C on Mon afternoon). Mainly strong winds. | |||||||||||||||||||||
Mon 21 | Tuesday 22 | Wednesday 23 | |||||||||||||||||||
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 14 | SSW 14 | SSW 13 | SSW 13 | S 13 | S 13 | SSW 13 | SSW 13 | SSW 13 | S 12 | S 12 | E 8 | E 9 | E 9 | E 10 | E 10 | SW 17 | SW 17 | SW 16 | SSW 16 | SSW 16 |
Wave Graph  | |||||||||||||||||||||
 kJ | 265 | 250 | 239 | 236 | 171 | 168 | 178 | 176 | 170 | 153 | 146 | 393 | 537 | 588 | 655 | 683 | 145 | 138 | 125 | 166 | 164 |
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 | 12:07PM0.59m | 00:31AM0.29m | 12:42PM0.61m | 1:04AM0.34m | 1:14PM0.61m | ||||||||||||||||
Low Tide | 7:32PM0.11m | 5:55AM0.11m | 7:51PM0.09m | 6:42AM0.09m | 8:09PM0.08m | ||||||||||||||||
 |  | |  | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — |
 | — | — | 6:28 | — | — | — | — | — | — | — | 6:27 | — | — | — | — | — | — | — | 6:25 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 26 | 25 | 26 | 26 | 26 | 26 | 26 | 26 |
Feels °C | 24 | 22 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 25 | 23 | 25 | 23 | 24 | 23 | 23 | 24 | 24 | 24 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SSW 14 | SSW 13 | SSW 13 | S 13 | S 13 | ENE 8 | SSW 13 | SSW 13 | S 12 | ENE 8 | S 12 | S 12 | S 12 | S 13 | S 13 | S 13 | S 12 | S 12 | SSW 16 | SSW 16 |
| kJ | 265 | 250 | 239 | 236 | 171 | 168 | 322 | 176 | 170 | 153 | 318 | 106 | 106 | 110 | 117 | 121 | 121 | 110 | 75 | 166 | 164 |
Swell 2 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SSW 13 | NNW 13 | N 12 | N 12 | S 12 | N 11 | N 11 | N 11 | N 11 | N 10 | SW 17 | SW 17 | SW 16 | S 12 | S 12 |
| kJ | 32 | 32 | 31 | 31 | 46 | 46 | 178 | 55 | 75 | 72 | 146 | 63 | 61 | 61 | 57 | 53 | 145 | 138 | 125 | 75 | 75 |
Swell 3 Height (m) Direction Period (s) | W 11 | W 11 | W 11 | W 11 | W 11 | N 14 | NNW 13 | SSW 13 | SSW 19 | SW 19 | N 12 | SW 17 | SW 17 | SW 17 | SSW 17 | SW 17 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 |
| kJ | 10 | 9 | 9 | 9 | 10 | 15 | 58 | 17 | 36 | 57 | 69 | 72 | 74 | 76 | 119 | 148 | 34 | 34 | 33 | 33 | 32 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | — | ENE 8 | ENE 8 | ENE 8 | — | E 8 | E 9 | E 9 | E 10 | E 10 | ENE 10 | ENE 10 | ENE 9 | ENE 9 | ENE 9 |
| kJ | 406 | 404 | 414 | 428 | 385 | 370 | — | 330 | 330 | 318 | — | 393 | 537 | 588 | 655 | 683 | 696 | 681 | 589 | 564 | 552 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 43 | 43 | 54 | 43 | 43 | 15 | 43 | 43 | 43 | 45 | 51 | 44 | 44 | 44 | 43 | 43 | 44 | 51 | 51 | 44 | 43 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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