Surf Forecasts:
How big are the waves at China Walls today (30 Sep):
- Morning surf: Morning surf (30 Sep, local time) - 2.5ft (0.8m), 14s period with E swell.
- Afternoon surf: Afternoon surf (30 Sep, local time) - 3.5ft (1.0m), 10s period with W swell.
- Evening surf: Evening surf (30 Sep, local time) - 2.5ft (0.8m), 10s period with W swell.
The current surf forecast for China Walls at 3AM is: 0.8m 16s primary swell from a South-southwest direction and 0.9m 12s secondary swell from a West-southwest direction, 0.8m 6s secondary swell from a South-southeast direction (forecast issued at 07:00pm September 29). An open ocean swell of 1.2m 8s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Sep) | 2.5ft (0.8m) | 14s |
| Afternoon (30 Sep) | 3.5ft (1.0m) | 10s |
| Evening (30 Sep) | 2.5ft (0.8m) | 10s |
Table - waves today at China Walls. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 19mm), heaviest on Wed afternoon. Warm (max 26°C on Tue night, min 25°C on Wed night). Wind will be generally light. | |||||||||||||||||||
Tue 29 | Wednesday 30 | Thursday 1 | |||||||||||||||||
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 16 | E 14 | SSW 16 | SSW 16 | SW 16 | E 14 | E 14 | E 14 | W 10 | W 10 | W 9 | E 8 | E 14 | E 8 | E 7 | E 8 | E 8 | E 8 | W 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 326 | 239 | 322 | 318 | 254 | 253 | 320 | 232 | 200 | 118 | 104 | 149 | 537 | 149 | 134 | 60 | 138 | 60 | 51 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-off | cross-off |
High Tide | 4:21PM0.32m | 5:49AM0.67m | 5:01PM0.25m | 6:53AM0.66m | 6:02PM0.20m | ||||||||||||||
Low Tide | 10:31PM0.02m | 1:25PM0.18m | 11:08PM0.03m | 3:17PM0.18m | |||||||||||||||
 |  |  | | | |  | | |  | | | |  | | | | | | |
 | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — |
 | 6:20 | — | — | — | — | — | — | — | 6:19 | — | — | — | — | — | — | — | 6:17 | — | — |
mm | — | — | — | — | — | — | 2 | 1 | 4 | 2 | 1 | 2 | 3 | 3 | 1 | — | — | — | — |
Temp °C | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 25 |
Feels °C | 28 | 28 | 28 | 27 | 27 | 26 | 27 | 26 | 27 | 27 | 27 | 26 | 27 | 28 | 28 | 29 | 28 | 28 | 26 |
Swell 1 Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 14 | E 8 | E 7 | ENE 6 | E 8 | E 8 | ENE 8 |
| kJ | 264 | 229 | 223 | 192 | 187 | 159 | 159 | 149 | 145 | 124 | 124 | 149 | 537 | 149 | 134 | 64 | 138 | 60 | 101 |
Swell 2 Height (m) Direction Period (s) | SW 11 | E 14 | E 13 | WSW 12 | WSW 11 | W 10 | W 10 | W 11 | W 10 | S 6 | S 6 | S 6 | S 5 | S 5 | W 8 | E 8 | S 5 | E 5 | W 8 |
| kJ | 163 | 239 | 219 | 278 | 254 | 167 | 156 | 224 | 200 | 66 | 52 | 39 | 35 | 25 | 49 | 60 | 25 | 21 | 51 |
Swell 3 Height (m) Direction Period (s) | SSW 16 | WSW 10 | SSW 16 | SSW 16 | SW 16 | E 14 | E 14 | E 14 | E 13 | W 10 | W 9 | W 9 | W 9 | W 8 | E 13 | W 8 | W 8 | S 5 | S 5 |
| kJ | 326 | 125 | 322 | 318 | 245 | 253 | 320 | 232 | 165 | 118 | 104 | 76 | 52 | 50 | 84 | 35 | 35 | 18 | 17 |
Wind waves Height (m) Direction Period (s) | — | SSE 6 | — | SSE 6 | SSE 6 | S 6 | S 6 | S 6 | S 6 | — | S 6 | S 5 | S 5 | S 5 | S 5 | S 5 | SSE 5 | — | — |
| kJ | — | 41 | — | 34 | 54 | 41 | 53 | 66 | 66 | — | 77 | 59 | 52 | 52 | 25 | 33 | 43 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 12 | 45 | 30 | 9 | 21 | 9 | 9 | 47 | 30 | 54 | 22 | 9 | 45 | 9 | 9 | 9 | 0 | 0 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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