Surf Forecasts:
How big are the waves at China Walls today (12 Aug):
- Morning surf: Morning surf (12 Aug, local time) - 2.5ft (0.7m), 19s period with S swell.
- Afternoon surf: Afternoon surf (12 Aug, local time) - 3.5ft (1.0m), 18s period with S swell.
- Evening surf: Evening surf (12 Aug, local time) - 3ft (0.9m), 17s period with S swell.
The current surf forecast for China Walls at 1AM is: 0.6m 20s primary swell from a South direction and 0.8m 14s secondary swell from a South-southwest direction (forecast issued at 07:00pm August 11). An open ocean swell of 1.3m 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 (12 Aug) | 2.5ft (0.7m) | 19s |
| Afternoon (12 Aug) | 3.5ft (1.0m) | 18s |
| Evening (12 Aug) | 3ft (0.9m) | 17s |
Table - waves today at China Walls. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Thu morning, min 25°C on Tue night). Mainly strong winds. | |||||||||||||||||||
Tue 11 | Wednesday 12 | Thursday 13 | |||||||||||||||||
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 | S 20 | S 19 | S 19 | S 18 | S 18 | S 18 | S 17 | S 16 | S 16 | S 16 | S 16 | S 16 | S 16 | S 15 | S 15 | S 15 |
Wave Graph  | |||||||||||||||||||
 kJ | 269 | 258 | 250 | 276 | 369 | 343 | 509 | 620 | 498 | 487 | 533 | 520 | 879 | 743 | 501 | 715 | 662 | 544 | 537 |
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 | 2:36PM0.79m | 2:40AM0.31m | 3:14PM0.76m | 3:27AM0.36m | 3:49PM0.71m | ||||||||||||||
Low Tide | 9:52PM0.05m | 8:22AM-0.02m | 10:21PM0.04m | 9:11AM0.01m | 10:50PM0.04m | ||||||||||||||
 |  | | | | |  | | | | | | | | | | | | | |
 | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — |
 | 7:02 | — | — | — | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:01 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 25 | 26 | 27 | 26 | 26 | 25 | 25 |
Feels °C | 23 | 23 | 24 | 24 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 24 | 22 | 24 | 24 | 23 | 23 | 22 | 22 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | S 18 | S 18 | S 18 | S 17 | S 16 | S 16 | S 16 | S 16 | S 16 | S 16 | S 15 | S 15 | S 15 |
| kJ | 269 | 258 | 250 | 243 | 232 | 225 | 509 | 620 | 498 | 487 | 533 | 520 | 879 | 743 | 501 | 715 | 662 | 544 | 537 |
Swell 2 Height (m) Direction Period (s) | SSE 9 | S 20 | S 20 | S 20 | S 19 | S 19 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | W 12 | W 12 | SSW 12 | W 12 | W 12 | W 12 | W 12 |
| kJ | 16 | 72 | 186 | 276 | 369 | 343 | 218 | 218 | 218 | 218 | 218 | 222 | 25 | 25 | 113 | 11 | 11 | 11 | 10 |
Swell 3 Height (m) Direction Period (s) | S 21 | SSE 9 | W 13 | SSE 9 | W 13 | W 13 | W 13 | W 12 | W 12 | W 12 | W 12 | W 12 | SE 9 | SE 9 | W 12 | SE 9 | SW 19 | SW 19 | SW 18 |
| kJ | 79 | 15 | 30 | 7 | 30 | 30 | 30 | 26 | 25 | 25 | 25 | 25 | 3 | 3 | 11 | 3 | 14 | 14 | 13 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 6 | ENE 7 | ENE 7 | ENE 6 | ENE 6 | ENE 6 | E 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 7 |
| kJ | 167 | 181 | 160 | 181 | 171 | 152 | 165 | 131 | 141 | 176 | 195 | 194 | 188 | 194 | 195 | 201 | 227 | 269 | 350 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 43 | 43 | 14 | 43 | 43 | 43 | 43 | 44 | 51 | 43 | 43 | 43 | 43 | 43 | 43 | 114 | 114 | 47 | 44 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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