Surf Forecasts:
How big are the waves at China Walls today (20 Oct):
- Morning surf: Morning surf (20 Oct, local time) - 1.5ft (0.4m), 16s period with SW swell.
- Afternoon surf: Afternoon surf (20 Oct, local time) - 1ft (0.3m), 15s period with SW swell.
- Evening surf: Evening surf (20 Oct, local time) - 1.5ft (0.4m), 15s period with SW swell.
The current surf forecast for China Walls at 5AM is: 0.4m 16s primary swell from a Southwest direction (forecast issued at 01:00am October 20). An open ocean swell of 0.4m 11s is not directed at the surf break, a second open ocean swell of 2.3m 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 (20 Oct) | 1.5ft (0.4m) | 16s |
| Afternoon (20 Oct) | 1ft (0.3m) | 15s |
| Evening (20 Oct) | 1.5ft (0.4m) | 15s |
Table - waves today at China Walls. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 25°C on Tue morning, min 24°C on Tue night). Winds decreasing (strong winds from the ENE on Tue morning, light winds from the ENE by Wed night). | ||||||||||||||||||||||||
Tuesday 20 | Wednesday 21 | Thursday 22 | ||||||||||||||||||||||
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 | 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 16 | SW 16 | SW 16 | SW 16 | SW 15 | S 11 | SW 15 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SSW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SSW 14 | SSW 13 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 64 | 64 | 65 | 65 | 34 | 21 | 57 | 62 | 63 | 64 | 63 | 61 | 57 | 85 | 54 | 54 | 54 | 54 | 53 | 52 | 49 | 47 | 71 | 70 |
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 | cross-off | cross-off | cross-off |
High Tide | 11:38PM0.28m | 11:07AM0.55m | 00:11AM0.35m | 11:46AM0.54m | 00:44AM0.43m | 12:22PM0.52m | ||||||||||||||||||
Low Tide | 4:25AM0.18m | 6:28PM0.08m | 5:33AM0.17m | 6:47PM0.06m | 6:32AM0.15m | 7:06PM0.03m | ||||||||||||||||||
 | |  | | | | |  | | | | | | | | | | | | | | | | | |
 | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 25 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 25 | 25 | 25 | 25 | 25 |
Feels °C | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 19 | 19 | 21 | 21 | 22 | 21 | 22 | 23 | 23 | 25 | 24 | 25 | 24 | 23 | 23 | 23 | 23 |
Swell 1 Height (m) Direction Period (s) | N 11 | N 11 | SW 16 | N 11 | N 10 | N 10 | SW 15 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | ENE 8 | SW 15 | SW 15 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 38 | 37 | 65 | 20 | 19 | 18 | 57 | 62 | 63 | 64 | 63 | 61 | 57 | 288 | 54 | 54 | 226 | 199 | 161 | 161 | 161 | 161 | 161 | 154 |
Swell 2 Height (m) Direction Period (s) | SW 16 | SW 16 | N 11 | SW 16 | SW 15 | S 11 | N 10 | N 10 | N 10 | S 12 | S 12 | N 9 | SSE 6 | SSW 15 | SSE 5 | SSE 5 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SSW 14 | SSW 13 |
| kJ | 64 | 64 | 21 | 65 | 34 | 21 | 18 | 18 | 17 | 26 | 26 | 7 | 7 | 85 | 6 | 3 | 54 | 54 | 53 | 52 | 49 | 47 | 71 | 70 |
Swell 3 Height (m) Direction Period (s) | S 12 | S 11 | S 11 | S 11 | S 11 | SSW 14 | S 11 | S 11 | S 11 | N 10 | N 10 | S 12 | N 9 | SSE 6 | S 11 | N 9 | SSE 5 | SSE 5 | SSE 5 | SSE 6 | E 13 | E 13 | E 14 | NE 15 |
| kJ | 24 | 22 | 21 | 21 | 21 | 20 | 21 | 20 | 21 | 17 | 16 | 12 | 6 | 6 | 10 | 6 | 3 | 3 | 3 | 3 | 31 | 32 | 35 | 33 |
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 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | — | ENE 8 | ENE 8 | — | — | — | — | — | — | — | — |
| kJ | 604 | 604 | 588 | 655 | 637 | 655 | 637 | 574 | 574 | 481 | 397 | 397 | 336 | — | 270 | 256 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 60 | 60 | 54 | 114 | 114 | 60 | 143 | 51 | 51 | 45 | 45 | 44 | 45 | 51 | 43 | 12 | 46 | 0 | 0 | 12 | 12 | 14 | 14 | 12 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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