Surf Forecasts:
How big are the waves at China Walls today (18 Aug):
- Morning surf: Morning surf (18 Aug, local time) - 2.5ft (0.7m), 13s period with S swell.
- Afternoon surf: Afternoon surf (18 Aug, local time) - 2ft (0.6m), 13s period with S swell.
- Evening surf: Evening surf (18 Aug, local time) - 2ft (0.6m), 13s period with S swell.
The current surf forecast for China Walls at 3PM is: 0.6m 13s primary swell from a South direction and 0.4m 18s secondary swell from a Southwest direction (forecast issued at 07:00am August 18). An open ocean swell of 1.1m 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 Aug) | 2.5ft (0.7m) | 13s |
| Afternoon (18 Aug) | 2ft (0.6m) | 13s |
| Evening (18 Aug) | 2ft (0.6m) | 13s |
Table - waves today at China Walls. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 26°C on Thu morning, min 24°C on Tue night). Winds decreasing (fresh winds from the NE on Tue afternoon, calm by Thu night). | |||||||||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 20 | |||||||||||||||||||||
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) | S 13 | S 13 | S 13 | S 13 | E 8 | S 13 | S 13 | S 13 | S 12 | SW 16 | SW 16 | SW 16 | E 8 | E 8 | E 8 | SW 16 | SW 17 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 16 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 167 | 165 | 165 | 119 | 120 | 119 | 119 | 116 | 72 | 69 | 129 | 130 | 100 | 103 | 82 | 129 | 142 | 204 | 207 | 207 | 200 | 184 | 177 |
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 | off | cross-off | cross-off | off | off | off | off |
High Tide | 7:56AM0.52m | 6:10PM0.31m | 9:08AM0.53m | 10:20AM0.55m | 8:45PM0.20m | ||||||||||||||||||
Low Tide | 2:59PM0.27m | 1:14AM0.09m | 2:00AM0.10m | 7:38PM0.20m | |||||||||||||||||||
 |  | | | |  | | | |  | | | | | | | | | | | | | | |
 | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 6:57 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 25 | 26 | 26 | 26 | 26 | 26 |
Feels °C | 24 | 23 | 23 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 25 | 24 | 24 | 25 | 24 | 25 | 25 | 26 | 27 | 27 | 27 | 29 | 30 |
Swell 1 Height (m) Direction Period (s) | S 13 | S 13 | S 13 | S 13 | E 8 | S 13 | E 8 | S 13 | S 12 | S 12 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 7 | ENE 7 | NE 7 |
| kJ | 167 | 165 | 165 | 119 | 120 | 119 | 115 | 116 | 72 | 69 | 86 | 84 | 84 | 82 | 82 | 102 | 78 | 76 | 72 | 72 | 134 | 131 | 99 |
Swell 2 Height (m) Direction Period (s) | E 9 | SW 16 | SW 17 | SW 18 | S 13 | SW 18 | S 13 | SW 18 | W 12 | SW 16 | SW 16 | SW 16 | S 12 | SSW 16 | S 12 | SW 16 | SW 17 | SSW 18 | SSW 18 | NNE 6 | SSW 17 | SSW 17 | SSW 16 |
| kJ | 15 | 69 | 74 | 78 | 119 | 80 | 119 | 79 | 25 | 67 | 129 | 130 | 45 | 103 | 45 | 129 | 142 | 204 | 207 | 26 | 200 | 184 | 177 |
Swell 3 Height (m) Direction Period (s) | SW 6 | E 9 | E 9 | WSW 6 | SW 18 | W 13 | SW 18 | W 12 | SW 18 | NNE 7 | S 12 | S 12 | SSW 16 | S 12 | SW 16 | S 12 | S 12 | S 12 | S 11 | SSW 18 | S 11 | S 11 | E 8 |
| kJ | 6 | 15 | 15 | 4 | 80 | 29 | 80 | 25 | 49 | 9 | 44 | 69 | 100 | 45 | 66 | 45 | 44 | 42 | 23 | 207 | 21 | 21 | 28 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 7 | ENE 7 | NNE 7 | ENE 8 | NE 6 | ENE 8 | ENE 8 | ENE 8 | NE 6 | NE 6 | NNE 6 | NNE 6 | NE 6 | NE 6 | NE 6 | NNE 6 | NNE 6 | ENE 7 | — | — | — |
| kJ | 139 | 163 | 163 | 136 | 34 | 151 | 30 | 155 | 168 | 144 | 43 | 40 | 26 | 26 | 39 | 34 | 39 | 26 | 26 | 66 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 12 | 43 | 43 | 43 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 0 | 10 | 19 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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