Surf Forecasts:
How big are the waves at China Walls today (16 Aug):
- Morning surf: Morning surf (16 Aug, local time) - 16ft (5.0m), 10s period with ESE swell.
- Afternoon surf: Afternoon surf (16 Aug, local time) - 6ft (1.8m), 8s period with SSE swell.
- Evening surf: Evening surf (16 Aug, local time) - 5.5ft (1.7m), 8s period with SSE swell.
The current surf forecast for China Walls at 5PM is: 1.7m 8s primary swell from a South-southeast direction and 0.8m 13s secondary swell from a South direction (forecast issued at 01:00pm August 16). An open ocean swell of 2.3m 9s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Aug) | 16ft (5.0m) | 10s |
| Afternoon (16 Aug) | 6ft (1.8m) | 8s |
| Evening (16 Aug) | 5.5ft (1.7m) | 8s |
Table - waves today at China Walls. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 13mm), heaviest on Sun afternoon. Warm (max 26°C on Sun afternoon, min 24°C on Mon night). Mainly fresh winds. | |||||||||||||||||||||
Sun 16 | Monday 17 | Tuesday 18 | |||||||||||||||||||
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) | SSE 9 | SSE 8 | SSE 8 | SSE 8 | S 13 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 885 | 486 | 353 | 336 | 166 | 250 | 334 | 334 | 334 | 260 | 260 | 253 | 242 | 170 | 167 | 165 | 121 | 119 | 119 | 119 | 119 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-on | cross | cross | 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 | 5:21PM0.47m | 6:52AM0.50m | 5:48PM0.38m | 7:56AM0.52m | 6:10PM0.31m | ||||||||||||||||
Low Tide | 11:53AM0.20m | 00:11AM0.05m | 1:08PM0.25m | 00:39AM0.07m | 2:59PM0.27m | ||||||||||||||||
 | | |  | | |  |  | | | | | | | | |  | | | | | |
 | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | 7:00 | — | — | — | — | — | — | — | 6:59 | — | — | — | — | — | — | — | 6:58 | — | — |
mm | 5 | 4 | 5 | 2 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 |
Feels °C | 25 | 26 | 26 | 27 | 28 | 29 | 27 | 25 | 23 | 24 | 23 | 24 | 23 | 23 | 22 | 22 | 23 | 23 | 23 | 24 | 24 |
Swell 1 Height (m) Direction Period (s) | SSE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | S 14 | S 14 | S 14 | S 13 | S 13 | ENE 7 | S 13 | S 13 | S 13 | S 13 | S 13 |
| kJ | 885 | 1131 | 790 | 549 | 475 | 418 | 357 | 264 | 250 | 244 | 260 | 253 | 242 | 170 | 167 | 145 | 121 | 119 | 119 | 119 | 119 |
Swell 2 Height (m) Direction Period (s) | S 13 | S 13 | S 13 | SSE 8 | SSE 7 | S 7 | S 14 | S 14 | S 14 | S 14 | WSW 7 | WSW 7 | WSW 7 | SW 7 | SW 6 | S 13 | SW 17 | SW 18 | SW 18 | SW 18 | SW 18 |
| kJ | 115 | 119 | 212 | 204 | 160 | 92 | 334 | 334 | 334 | 260 | 16 | 16 | 9 | 11 | 10 | 165 | 74 | 78 | 80 | 80 | 80 |
Swell 3 Height (m) Direction Period (s) | S 16 | S 16 | S 16 | S 13 | S 13 | S 14 | S 6 | S 6 | S 6 | S 6 | SSW 5 | SSW 5 | SSW 5 | E 9 | E 9 | SW 16 | WSW 6 | W 13 | W 13 | W 13 | W 12 |
| kJ | 132 | 129 | 127 | 162 | 166 | 250 | 51 | 36 | 23 | 15 | 5 | 5 | 2 | 25 | 15 | 69 | 4 | 14 | 31 | 29 | 26 |
Wind waves Height (m) Direction Period (s) | E 9 | SSE 8 | SSE 8 | SSE 8 | — | — | — | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | — | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 7 |
| kJ | 1587 | 486 | 353 | 336 | — | — | — | 178 | 165 | 157 | 208 | 193 | 203 | 163 | 176 | — | 147 | 156 | 164 | 151 | 118 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 221 | 55 | 55 | 45 | 45 | 0 | 9 | 43 | 43 | 43 | 43 | 12 | 12 | 12 | 43 | 15 | 43 | 43 | 43 | 12 | 12 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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