Surf Forecasts:
How big are the waves at China Walls today (19 Aug):
- Morning surf: Morning surf (19 Aug, local time) - 2.5ft (0.8m), 8s period with E swell.
- Afternoon surf: Afternoon surf (19 Aug, local time) - 1.5ft (0.5m), 16s period with SW swell.
- Evening surf: Evening surf (19 Aug, local time) - 1.5ft (0.4m), 16s period with SSW swell.
The current surf forecast for China Walls at 9AM is: 0.8m 8s primary swell from a East direction and 0.5m 12s secondary swell from a South direction (forecast issued at 01:00am August 19). An open ocean swell of 0.6m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Aug) | 2.5ft (0.8m) | 8s |
| Afternoon (19 Aug) | 1.5ft (0.5m) | 16s |
| Evening (19 Aug) | 1.5ft (0.4m) | 16s |
Table - waves today at China Walls. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Thu afternoon, min 25°C on Wed morning). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 19 | Thursday 20 | Friday 21 | ||||||||||||||||||||||
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 | 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 12 | E 8 | SW 16 | SW 16 | SW 19 | E 8 | SW 16 | SW 16 | SW 17 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 16 | SW 16 | SW 17 | SW 17 | SW 17 | SW 17 | SW 16 | SW 16 | SSW 16 |
Wave Graph | ||||||||||||||||||||||||
116 | 103 | 86 | 129 | 130 | 100 | 103 | 66 | 129 | 142 | 204 | 207 | 207 | 200 | 184 | 177 | 274 | 288 | 295 | 291 | 284 | 261 | 258 | 322 | |
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 | off | off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 9:08AM0.53m | 10:20AM0.55m | 8:45PM0.20m | 11:21AM0.57m | 10:59PM0.20m | |||||||||||||||||||
Low Tide | 1:14AM0.09m | 2:00AM0.10m | 7:38PM0.20m | 3:06AM0.11m | 7:49PM0.17m | |||||||||||||||||||
— | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | |
— | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 6:57 | — | — | — | — | — | — | — | 6:55 | — | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 27 | 26 | 26 | 25 | 25 | 25 | 26 | 27 | 27 | 26 | 26 |
Feels °C | 24 | 23 | 25 | 25 | 25 | 24 | 25 | 25 | 25 | 26 | 27 | 28 | 27 | 29 | 29 | 30 | 29 | 28 | 28 | 28 | 28 | 28 | 26 | 27 |
Swell 1 Height (m) Direction Period (s) | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | S 12 | E 8 | S 12 | ENE 7 | E 8 | E 8 | E 8 | ENE 7 | ENE 7 | ENE 7 | NE 7 | NE 7 | NE 7 | SW 17 | NE 7 | ENE 7 | NE 7 | ENE 7 | SSW 16 |
151 | 130 | 86 | 86 | 84 | 45 | 82 | 45 | 157 | 78 | 74 | 71 | 101 | 108 | 108 | 82 | 84 | 82 | 295 | 79 | 86 | 79 | 81 | 322 | |
Swell 2 Height (m) Direction Period (s) | S 13 | S 12 | S 12 | SW 16 | SW 16 | SSW 16 | S 12 | SW 16 | SW 16 | SW 17 | NE 6 | NE 6 | SSW 18 | SSW 17 | SSW 17 | SSW 16 | SW 16 | SW 17 | NNE 7 | SW 17 | SW 17 | SW 16 | SW 16 | W 10 |
116 | 103 | 69 | 129 | 130 | 100 | 45 | 66 | 129 | 142 | 40 | 39 | 207 | 200 | 184 | 177 | 274 | 288 | 35 | 291 | 284 | 261 | 258 | 72 | |
Swell 3 Height (m) Direction Period (s) | SW 18 | W 12 | SW 16 | S 12 | S 12 | SW 19 | SSW 16 | SW 19 | S 12 | S 12 | SSW 18 | SSW 18 | SSE 12 | W 11 | W 10 | E 8 | E 8 | E 8 | ENE 7 | W 11 | W 11 | W 11 | W 10 | E 8 |
79 | 25 | 67 | 44 | 44 | 92 | 103 | 59 | 45 | 44 | 204 | 207 | 28 | 37 | 32 | 28 | 18 | 19 | 31 | 56 | 82 | 83 | 80 | 12 | |
Wind waves Height (m) Direction Period (s) | — | ENE 6 | NE 6 | NE 7 | NE 6 | ENE 8 | NE 6 | ENE 8 | NNE 6 | NE 7 | — | — | — | — | — | — | — | — | — | — | — | — | ENE 7 | ENE 7 |
— | 39 | 20 | 36 | 33 | 149 | 39 | 168 | 47 | 44 | — | — | — | — | — | — | — | — | — | — | — | — | 123 | 93 | |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 9 | 12 | 12 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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