Surf Forecasts:
How big are the waves at China Walls today (17 Jul):
- Morning surf: Morning surf (17 Jul, local time) - 2ft (0.6m), 14s period with W swell.
- Afternoon surf: Afternoon surf (17 Jul, local time) - 1.5ft (0.5m), 16s period with S swell.
- Evening surf: Evening surf (17 Jul, local time) - 2ft (0.6m), 16s period with SSW swell.
The current surf forecast for China Walls at 10AM is: 0.6m 14s primary swell from a West direction and 0.5m 16s secondary swell from a Southwest direction (forecast issued at 07:00am July 17). An open ocean swell of 1.3m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Jul) | 2ft (0.6m) | 14s |
| Afternoon (17 Jul) | 1.5ft (0.5m) | 16s |
| Evening (17 Jul) | 2ft (0.6m) | 16s |
Table - waves today at China Walls. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 26°C on Fri morning, min 24°C on Sat night). Mainly strong winds. | |||||||||||||||||||||||
Friday 17 | Saturday 18 | Sunday 19 | |||||||||||||||||||||
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) | W 14 | W 14 | W 14 | S 16 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | S 12 | E 7 | S 12 | S 19 | S 18 | S 18 | S 18 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 146 | 146 | 144 | 129 | 196 | 191 | 222 | 195 | 156 | 143 | 141 | 141 | 158 | 158 | 156 | 156 | 75 | 278 | 73 | 114 | 106 | 101 | 99 |
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 |
High Tide | 5:33AM0.31m | 5:35PM0.64m | 6:37AM0.35m | 6:10PM0.55m | 7:46AM0.40m | 6:42PM0.45m | |||||||||||||||||
Low Tide | 10:55AM0.08m | 00:53AM0.03m | 11:55AM0.16m | 1:26AM0.03m | 1:10PM0.23m | ||||||||||||||||||
 |  |  | | |  | | | | | | | | | |  | | | | | | | | |
 | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — |
 | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:14 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 |
Feels °C | 25 | 24 | 25 | 24 | 23 | 24 | 25 | 24 | 23 | 23 | 23 | 21 | 22 | 21 | 21 | 21 | 21 | 20 | 22 | 22 | 22 | 23 | 22 |
Swell 1 Height (m) Direction Period (s) | W 14 | W 14 | W 14 | W 14 | SSW 16 | SSW 16 | ESE 6 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | S 12 | S 12 | S 12 | SSW 13 | SSW 13 | S 13 | S 18 |
| kJ | 146 | 146 | 144 | 100 | 196 | 191 | 51 | 195 | 156 | 143 | 141 | 141 | 158 | 158 | 156 | 156 | 75 | 75 | 73 | 96 | 95 | 85 | 99 |
Swell 2 Height (m) Direction Period (s) | SSW 13 | SSW 12 | SW 16 | SSW 12 | W 14 | W 14 | SSW 15 | W 13 | W 13 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | W 12 | W 12 | W 12 | S 19 | S 19 | S 18 | S 18 | SSW 11 |
| kJ | 108 | 81 | 125 | 56 | 98 | 94 | 222 | 90 | 87 | 57 | 57 | 57 | 56 | 56 | 55 | 28 | 26 | 25 | 66 | 114 | 106 | 101 | 40 |
Swell 3 Height (m) Direction Period (s) | SSW 15 | SSW 16 | SSW 12 | S 16 | SSW 12 | SSW 12 | W 13 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | S 19 | S 19 | W 12 | NNE 8 | SSE 6 | W 12 | SW 19 |
| kJ | 89 | 95 | 55 | 129 | 55 | 54 | 92 | 58 | 60 | 55 | 55 | 54 | 8 | 8 | 8 | 15 | 30 | 66 | 25 | 11 | 6 | 25 | 57 |
Wind waves Height (m) Direction Period (s) | ENE 6 | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | NE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 7 | E 7 | E 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 140 | 149 | 130 | 154 | 138 | 134 | 113 | 189 | 220 | 316 | 360 | 365 | 438 | 438 | 419 | 384 | 364 | 278 | 226 | 294 | 250 | 277 | 277 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 43 | 15 | 12 | 12 | 43 | 43 | 51 | 43 | 43 | 12 | 44 | 45 | 51 | 51 | 51 | 43 | 43 | 46 | 12 | 43 | 43 | 51 | 45 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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