Surf Forecasts:
How big are the waves at China Walls today (18 Oct):
- Morning surf: Morning surf (18 Oct, local time) - 1.5ft (0.5m), 13s period with S swell.
- Afternoon surf: Afternoon surf (18 Oct, local time) - 1.5ft (0.4m), 13s period with S swell.
- Evening surf: Evening surf (18 Oct, local time) - 1.5ft (0.4m), 17s period with SW swell.
The current surf forecast for China Walls at 5PM is: 0.4m 17s primary swell from a Southwest direction and 0.3m 13s secondary swell from a South direction (forecast issued at 01:00pm October 18). An open ocean swell of 0.7m 12s is not directed at the surf break, a second open ocean swell of 2.1m 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 (18 Oct) | 1.5ft (0.5m) | 13s |
| Afternoon (18 Oct) | 1.5ft (0.4m) | 13s |
| Evening (18 Oct) | 1.5ft (0.4m) | 17s |
Table - waves today at China Walls. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 25°C on Sun afternoon, min 24°C on Tue night). Mainly strong winds. | |||||||||||||||||||||
Sun 18 | Monday 19 | Tuesday 20 | |||||||||||||||||||
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 13 | S 13 | SW 17 | SW 17 | SW 16 | SW 17 | SW 17 | SW 17 | SW 17 | SW 15 | SW 15 | SW 15 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | S 11 | SW 15 | SW 16 |
Wave Graph  | |||||||||||||||||||||
 kJ | 83 | 83 | 75 | 70 | 69 | 70 | 73 | 74 | 73 | 35 | 57 | 60 | 63 | 64 | 64 | 65 | 65 | 37 | 21 | 57 | 62 |
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 | 9:24AM0.54m | 10:57PM0.23m | 10:21AM0.54m | 11:38PM0.28m | 11:07AM0.55m | ||||||||||||||||
Low Tide | 5:45PM0.12m | 2:57AM0.19m | 6:08PM0.10m | 4:25AM0.18m | 6:28PM0.08m | ||||||||||||||||
 | | |  | | | | | | | |  | | | | | | | | | | |
 | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — |
 | — | — | 6:04 | — | — | — | — | — | — | — | 6:02 | — | — | — | — | — | — | — | 6:01 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
Feels °C | 21 | 21 | 21 | 20 | 20 | 20 | 21 | 21 | 20 | 20 | 20 | 21 | 20 | 21 | 21 | 19 | 20 | 20 | 20 | 20 | 20 |
Swell 1 Height (m) Direction Period (s) | N 12 | N 12 | N 12 | N 11 | N 11 | N 11 | N 11 | N 11 | N 11 | N 11 | N 11 | N 11 | N 11 | N 11 | N 11 | N 11 | N 11 | N 10 | N 10 | SW 15 | SW 16 |
| kJ | 141 | 134 | 132 | 125 | 121 | 86 | 85 | 59 | 58 | 63 | 63 | 59 | 39 | 38 | 37 | 21 | 20 | 19 | 18 | 57 | 62 |
Swell 2 Height (m) Direction Period (s) | S 13 | S 13 | S 13 | SW 17 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | SW 15 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | S 11 | SSW 14 | N 10 | N 10 |
| kJ | 83 | 83 | 28 | 70 | 45 | 44 | 44 | 44 | 44 | 25 | 25 | 60 | 63 | 64 | 64 | 65 | 65 | 21 | 20 | 18 | 18 |
Swell 3 Height (m) Direction Period (s) | NW 14 | WNW 14 | SW 17 | S 12 | SW 16 | SW 17 | SW 17 | SW 17 | SW 17 | SW 15 | SW 15 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | SW 15 | S 11 | S 11 | S 11 |
| kJ | 33 | 19 | 75 | 27 | 69 | 70 | 73 | 74 | 73 | 35 | 57 | 25 | 25 | 24 | 22 | 21 | 21 | 37 | 21 | 9 | 9 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 408 | 348 | 419 | 542 | 637 | 675 | 727 | 672 | 604 | 604 | 672 | 655 | 706 | 672 | 589 | 623 | 623 | 555 | 588 | 655 | 675 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 56 | 114 | 114 | 114 | 114 | 114 | 60 | 54 | 54 | 143 | 60 | 114 | 143 | 54 | 51 | 54 | 143 | 143 | 144 | 143 | 54 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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