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) - 16ft (5.0m), 10s period with E swell.
The current surf forecast for China Walls at 6PM is: 4.5m 10s primary swell from a East direction and 0.7m 13s secondary swell from a South direction, 0.3m 13s secondary swell from a West direction (forecast issued at 01:00pm August 15). 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) | 16ft (5.0m) | 10s |
Table - waves today at China Walls. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 49mm), heaviest during Sun morning. Warm (max 27°C on Sun afternoon, min 24°C on Sat night). Winds decreasing (near gales from the ENE on Sat night, light winds from the ENE by Sun afternoon). | |||||||||||||||||||||
Sat 15 | Sunday 16 | Monday 17 | |||||||||||||||||||
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) | S 13 | S 13 | S 13 | E 10 | E 10 | E 10 | E 9 | SSE 10 | SSE 10 | SSE 9 | SSE 8 | S 8 | S 13 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 |
Wave Graph  | |||||||||||||||||||||
 kJ | 225 | 168 | 168 | 4360 | 4800 | 2911 | 1930 | 703 | 657 | 358 | 223 | 181 | 166 | 250 | 338 | 264 | 264 | 260 | 260 | 253 | 242 |
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 | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 4:53PM0.55m | 5:55AM0.48m | 5:21PM0.47m | 6:52AM0.50m | 5:48PM0.38m | ||||||||||||||||
Low Tide | 10:54AM0.13m | 11:44PM0.05m | 11:53AM0.20m | 00:11AM0.05m | 1:08PM0.25m | ||||||||||||||||
 | |  |  |  |  |  | | | | |  | | | | | | | | | | |
 | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | 7:00 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 6:59 | — | — |
mm | 1 | 1 | — | — | — | 2 | 11 | 12 | 16 | 4 | 1 | 2 | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 26 | 26 | 25 | 24 | 24 | 24 | 26 | 27 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
Feels °C | 22 | 21 | 20 | 20 | 20 | 21 | 20 | 23 | 25 | 27 | 29 | 25 | 26 | 27 | 26 | 25 | 24 | 23 | 23 | 23 | 23 |
Swell 1 Height (m) Direction Period (s) | S 13 | S 13 | S 13 | S 13 | S 13 | S 14 | SSE 10 | SSE 10 | SSE 10 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | S 14 | S 14 | S 14 | S 14 | S 14 |
| kJ | 225 | 168 | 168 | 171 | 173 | 179 | 367 | 703 | 657 | 819 | 676 | 521 | 460 | 394 | 324 | 283 | 264 | 260 | 260 | 253 | 242 |
Swell 2 Height (m) Direction Period (s) | W 11 | W 11 | W 13 | S 18 | S 18 | S 18 | S 13 | S 17 | S 16 | SSE 9 | SSE 8 | S 8 | S 7 | SSE 7 | S 14 | S 14 | S 6 | S 6 | S 6 | SSW 5 | SSW 6 |
| kJ | 9 | 23 | 30 | 57 | 99 | 56 | 128 | 211 | 133 | 358 | 223 | 163 | 106 | 75 | 338 | 264 | 25 | 23 | 16 | 9 | 6 |
Swell 3 Height (m) Direction Period (s) | SW 17 | S 16 | S 19 | W 13 | W 13 | W 13 | S 18 | W 12 | W 12 | S 16 | S 13 | S 16 | S 13 | S 14 | S 6 | S 6 | SW 18 | SW 19 | SSW 19 | W 11 | W 11 |
| kJ | 12 | 43 | 29 | 30 | 30 | 30 | 98 | 26 | 25 | 183 | 123 | 181 | 166 | 250 | 52 | 38 | 50 | 55 | 37 | 9 | 9 |
Wind waves Height (m) Direction Period (s) | ENE 9 | E 10 | ENE 10 | E 10 | E 10 | E 10 | E 9 | ENE 9 | ENE 9 | — | — | — | ENE 8 | ENE 8 | — | — | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 |
| kJ | 2208 | 3134 | 3876 | 4360 | 4800 | 2911 | 1930 | 1382 | 1057 | — | — | — | 284 | 270 | — | — | 244 | 228 | 231 | 231 | 188 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 213 | 213 | 213 | 222 | 231 | 144 | 114 | 114 | 45 | 45 | 0 | 14 | 43 | 12 | 12 | 14 | 43 | 43 | 43 | 16 | 43 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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