Surf Forecasts:
How big are the waves at China Walls today (19 Jul):
- Morning surf: Morning surf (19 Jul, local time) - 1.5ft (0.5m), 12s period with S swell.
- Afternoon surf: Afternoon surf (19 Jul, local time) - 1.5ft (0.4m), 19s period with S swell.
- Evening surf: Evening surf (19 Jul, local time) - 1.5ft (0.4m), 18s period with S swell.
The current surf forecast for China Walls at 4AM is: 0.5m 12s primary swell from a South direction and 0.3m 12s secondary swell from a West direction (forecast issued at 07:00pm July 18). 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 (19 Jul) | 1.5ft (0.5m) | 12s |
| Afternoon (19 Jul) | 1.5ft (0.4m) | 19s |
| Evening (19 Jul) | 1.5ft (0.4m) | 18s |
Table - waves today at China Walls. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 25°C on Sat night, min 24°C on Sat night). Mainly fresh winds. | |||||||||||||||||||
Sat 18 | Sunday 19 | Monday 20 | |||||||||||||||||
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 14 | SSW 14 | S 12 | S 12 | SSW 13 | S 19 | S 18 | S 18 | S 18 | S 18 | S 17 | S 16 | S 14 | S 16 | S 16 | S 16 | S 15 |
Wave Graph  | |||||||||||||||||||
 kJ | 158 | 158 | 156 | 156 | 75 | 75 | 93 | 114 | 106 | 101 | 155 | 97 | 149 | 195 | 142 | 325 | 321 | 177 | 165 |
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 |
High Tide | 6:10PM0.55m | 7:46AM0.40m | 6:42PM0.45m | 8:59AM0.45m | 7:13PM0.37m | ||||||||||||||
Low Tide | 1:26AM0.03m | 1:10PM0.23m | 1:58AM0.03m | 2:57PM0.28m | |||||||||||||||
 |  |  | | | | | | | | | | |  | | | | | | |
 | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — |
 | 7:15 | — | — | — | — | — | — | — | 7:14 | — | — | — | — | — | — | — | 7:14 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 25 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
Feels °C | 21 | 22 | 22 | 22 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 24 | 24 | 23 | 22 | 22 | 23 | 23 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SSW 14 | SSW 14 | SSW 14 | S 12 | S 12 | SSW 13 | SSW 13 | SSW 13 | S 13 | SSW 12 | SSW 12 | S 17 | S 16 | S 14 | S 16 | S 16 | S 16 | S 13 |
| kJ | 158 | 158 | 156 | 156 | 75 | 75 | 93 | 96 | 95 | 85 | 44 | 44 | 149 | 195 | 142 | 325 | 321 | 177 | 121 |
Swell 2 Height (m) Direction Period (s) | WNW 13 | WNW 13 | WNW 13 | W 12 | W 12 | NNE 7 | S 19 | S 19 | S 18 | S 18 | S 18 | S 18 | SSW 12 | SSW 12 | S 16 | SW 18 | SW 18 | S 13 | S 15 |
| kJ | 56 | 56 | 55 | 28 | 26 | 19 | 66 | 114 | 106 | 101 | 155 | 97 | 55 | 45 | 135 | 82 | 81 | 121 | 165 |
Swell 3 Height (m) Direction Period (s) | SSE 9 | SSE 9 | SSE 10 | SSE 8 | S 20 | W 12 | NNE 8 | W 12 | W 12 | W 12 | SW 19 | NNE 8 | SW 19 | SW 18 | SW 18 | W 12 | W 12 | SW 18 | SW 17 |
| kJ | 8 | 8 | 9 | 7 | 30 | 25 | 12 | 25 | 25 | 25 | 57 | 24 | 91 | 85 | 83 | 11 | 11 | 78 | 71 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 |
| kJ | 426 | 406 | 406 | 406 | 341 | 301 | 310 | 266 | 243 | 257 | 277 | 218 | 231 | 232 | 220 | 228 | 256 | 264 | 215 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 54 | 51 | 43 | 46 | 15 | 43 | 44 | 45 | 117 | 43 | 43 | 12 | 12 | 12 | 12 | 43 | 43 | 43 | 43 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
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