Surf Forecasts:
How big are the waves at China Walls today (15 Aug):
- Morning surf: Morning surf (15 Aug, local time) - 2.5ft (0.8m), 13s period with S swell.
- Afternoon surf: Afternoon surf (15 Aug, local time) - 2.5ft (0.7m), 13s period with S swell.
- Evening surf: Evening surf (15 Aug, local time) - 2.5ft (0.7m), 13s period with S swell.
The current surf forecast for China Walls at 1AM is: 0.9m 14s primary swell from a South direction and 0.2m 11s secondary swell from a West direction (forecast issued at 07:00pm August 14). An open ocean swell of 3.0m 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 (15 Aug) | 2.5ft (0.8m) | 13s |
| Afternoon (15 Aug) | 2.5ft (0.7m) | 13s |
| Evening (15 Aug) | 2.5ft (0.7m) | 13s |
Table - waves today at China Walls. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 50mm), heaviest during Sat night. Warm (max 27°C on Sun afternoon, min 24°C on Sat night). Winds decreasing (gales from the NE on Sat night, light winds from the E by Sun night). | |||||||||||||||||||
Fri 14 | Saturday 15 | Sunday 16 | |||||||||||||||||
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 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | E 10 | S 13 | S 13 | E 10 | E 10 | E 10 | SSE 10 | SSE 9 | SSE 8 | SSE 8 | S 8 | S 7 |
Wave Graph  | |||||||||||||||||||
 kJ | 411 | 329 | 324 | 243 | 229 | 225 | 225 | 3105 | 168 | 171 | 5364 | 5677 | 3021 | 868 | 592 | 688 | 302 | 265 | 155 |
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 | cross | cross | cross | cross | cross-off |
High Tide | 4:22PM0.64m | 5:04AM0.45m | 4:53PM0.55m | 5:55AM0.48m | 5:21PM0.47m | ||||||||||||||
Low Tide | 11:17PM0.04m | 10:54AM0.13m | 11:44PM0.05m | 11:53AM0.20m | |||||||||||||||
 |  | |  | |  |  | | | | |  |  |  | | | | | | |
 | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | 7:00 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:00 | — | — |
mm | — | — | — | — | — | — | 1 | 1 | — | — | — | 7 | 17 | 7 | 7 | 5 | 3 | 2 | — |
Temp °C | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 24 | 25 | 26 | 26 | 26 | 27 | 27 | 27 |
Feels °C | 23 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 18 | 16 | 22 | 24 | 26 | 26 | 27 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 14 | S 14 | SSE 10 | SSE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 |
| kJ | 411 | 329 | 324 | 243 | 229 | 225 | 225 | 168 | 168 | 171 | 173 | 184 | 192 | 868 | 592 | 858 | 692 | 536 | 475 |
Swell 2 Height (m) Direction Period (s) | E 11 | SSW 18 | SSW 18 | W 11 | W 11 | W 11 | W 11 | S 16 | S 16 | S 18 | S 18 | S 18 | S 18 | S 13 | S 16 | SSE 8 | SSE 8 | S 8 | S 7 |
| kJ | 62 | 30 | 30 | 9 | 21 | 9 | 9 | 43 | 80 | 57 | 99 | 56 | 98 | 82 | 188 | 424 | 302 | 265 | 155 |
Swell 3 Height (m) Direction Period (s) | W 12 | W 12 | W 11 | SSW 18 | SSW 17 | SW 17 | SW 17 | W 11 | W 13 | W 13 | W 13 | W 13 | W 12 | S 17 | SSW 13 | S 16 | S 10 | S 16 | S 13 |
| kJ | 11 | 10 | 10 | 30 | 29 | 12 | 12 | 23 | 30 | 30 | 30 | 30 | 27 | 147 | 53 | 129 | 75 | 181 | 123 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | E 10 | E 10 | ENE 10 | E 10 | E 10 | E 10 | ENE 9 | ENE 9 | SSE 8 | — | — | — |
| kJ | 555 | 640 | 768 | 952 | 1193 | 1602 | 2430 | 3105 | 3286 | 3474 | 5364 | 5677 | 3021 | 1455 | 993 | 688 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 116 | 117 | 60 | 213 | 213 | 213 | 213 | 213 | 213 | 213 | 213 | 222 | 221 | 151 | 55 | 114 | 45 | 45 | 0 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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