Surf Forecasts:
How big are the waves at China Walls today (31 Jul):
- Morning surf: Morning surf (31 Jul, local time) - 6ft (1.8m), 7s period with E swell.
- Afternoon surf: Afternoon surf (31 Jul, local time) - 2.5ft (0.8m), 16s period with E swell.
- Evening surf: Evening surf (31 Jul, local time) - 8ft (2.5m), 8s period with E swell.
The current surf forecast for China Walls at 10AM is: 1.9m 7s primary swell from a East direction and 0.7m 13s secondary swell from a South direction, 0.6m 15s secondary swell from a East direction (forecast issued at 07:00am July 31). The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Jul) | 6ft (1.8m) | 7s |
| Afternoon (31 Jul) | 2.5ft (0.8m) | 16s |
| Evening (31 Jul) | 8ft (2.5m) | 8s |
Table - waves today at China Walls. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 26°C on Fri morning, min 24°C on Sun night). Mainly strong winds. | |||||||||||||||||||||||
Friday 31 | Saturday 1 | Sunday 2 | |||||||||||||||||||||
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) | E 16 | E 15 | SW 16 | E 16 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 13 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 208 | 228 | 206 | 231 | 537 | 826 | 958 | 1102 | 1067 | 1142 | 1142 | 196 | 196 | 257 | 260 | 194 | 186 | 191 | 188 | 188 | 142 | 132 | 125 |
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-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 4:08AM0.30m | 4:25PM0.65m | 4:55AM0.33m | 4:53PM0.60m | 5:48AM0.38m | 5:22PM0.53m | |||||||||||||||||
Low Tide | 9:38AM0.05m | 11:37PM0.06m | 10:23AM0.11m | 00:02AM0.05m | 11:17AM0.16m | ||||||||||||||||||
 |  | | | |  |  | | | | | | | | | | | |  | | | | | |
 | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | — | — | — | — | 7:09 | — | — | — | — | — | — | — | 7:08 | — | — | — | — | — | — | — | 7:08 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 25 | 25 | 25 | 25 |
Feels °C | 26 | 25 | 22 | 20 | 21 | 20 | 21 | 20 | 19 | 21 | 20 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 21 | 21 | 22 | 22 |
Swell 1 Height (m) Direction Period (s) | S 13 | S 13 | S 12 | E 16 | E 16 | E 15 | E 15 | SW 15 | E 14 | SSW 14 | SSW 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 13 |
| kJ | 163 | 158 | 153 | 231 | 301 | 222 | 213 | 220 | 202 | 138 | 127 | 196 | 196 | 257 | 260 | 194 | 186 | 191 | 188 | 188 | 142 | 132 | 125 |
Swell 2 Height (m) Direction Period (s) | E 16 | E 15 | E 15 | SW 16 | SW 15 | SW 15 | SW 15 | S 12 | SW 15 | SSW 12 | S 12 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SW 13 | SSW 13 | SSW 13 | SSW 13 |
| kJ | 185 | 228 | 159 | 201 | 239 | 229 | 226 | 71 | 171 | 46 | 42 | 123 | 123 | 123 | 125 | 131 | 133 | 133 | 133 | 88 | 68 | 66 | 62 |
Swell 3 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 16 | S 12 | S 12 | S 12 | S 12 | N 8 | SSW 12 | N 8 | W 13 | S 11 | S 11 | S 11 | S 11 | S 11 | N 10 | N 10 | N 9 | N 9 | N 9 | S 11 | SSE 14 |
| kJ | 208 | 208 | 206 | 110 | 106 | 73 | 72 | 5 | 46 | 5 | 3 | 39 | 39 | 22 | 22 | 22 | 16 | 16 | 15 | 14 | 14 | 9 | 40 |
Wind waves Height (m) Direction Period (s) | E 7 | E 7 | E 7 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 285 | 285 | 400 | 435 | 537 | 826 | 958 | 1102 | 1067 | 1142 | 1142 | 1009 | 871 | 939 | 1009 | 1026 | 956 | 824 | 801 | 740 | 662 | 666 | 612 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 45 | 43 | 43 | 12 | 43 | 51 | 54 | 54 | 114 | 116 | 116 | 54 | 117 | 60 | 143 | 114 | 116 | 57 | 60 | 116 | 51 | 116 | 56 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||||
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