Surf Forecasts:
How big are the waves at Power Plant today (31 Jul):
- Afternoon surf: Afternoon surf (31 Jul, local time) - 2.5ft (0.7m), 16s period with SW swell.
- Evening surf: Evening surf (31 Jul, local time) - 2.5ft (0.7m), 15s period with SW swell.
The current surf forecast for Power Plant at 11PM is: 0.7m 15s primary swell from a Southwest direction (forecast issued at 07:00pm July 31). An open ocean swell of 0.6m 15s is not directed at the surf break, a second open ocean swell of 2.0m 8s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Jul) | - | - |
| Afternoon (31 Jul) | 2.5ft (0.7m) | 16s |
| Evening (31 Jul) | 2.5ft (0.7m) | 15s |
Table - waves today at Power Plant. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Mon afternoon, min 25°C on Fri night). Winds decreasing (fresh winds from the ENE on Sat morning, light winds from the NE by Sun night). | |||||||||||||||||||
Fri 31 | Saturday 1 | Sunday 2 | |||||||||||||||||
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) | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | E 8 | SSW 13 | SSW 13 | SSW 13 | SSW 12 |
Wave Graph  | |||||||||||||||||||
 kJ | 232 | 226 | 223 | 220 | 217 | 208 | 191 | 123 | 123 | 123 | 125 | 131 | 133 | 133 | 0 | 118 | 116 | 92 | 89 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off |
High Tide | 5:11PM0.66m | 5:36AM0.37m | 5:35PM0.61m | 6:28AM0.40m | 5:58PM0.54m | ||||||||||||||
Low Tide | 00:07AM0.12m | 10:50AM0.16m | 00:28AM0.11m | 11:40AM0.22m | |||||||||||||||
 |  | |  |  |  | | | | | | | | | | | | | | |
 | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — |
 | 7:12 | — | — | — | — | — | — | — | 7:10 | — | — | — | — | — | — | — | 7:10 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 25 | 25 | 25 | 25 | 25 | 27 | 27 | 26 | 25 | 25 | 25 | 25 | 25 | 27 | 27 | 26 | 25 | 25 |
Feels °C | 25 | 23 | 23 | 22 | 23 | 22 | 23 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 25 | 24 | 24 | 23 | 24 |
Swell 1 Height (m) Direction Period (s) | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SSW 14 | SSW 14 | E 8 | N 6 | N 6 | N 6 | N 6 | E 8 | N 6 | E 14 | SSW 13 | SSW 12 |
| kJ | 232 | 226 | 223 | 220 | 217 | 208 | 191 | 123 | 123 | 488 | 38 | 39 | 30 | 29 | 401 | 30 | 96 | 92 | 89 |
Swell 2 Height (m) Direction Period (s) | S 12 | E 15 | E 15 | E 15 | E 14 | E 14 | E 15 | E 14 | E 14 | N 6 | SSW 14 | SSW 14 | SSW 14 | E 14 | N 6 | E 14 | SSW 13 | E 14 | E 13 |
| kJ | 104 | 167 | 161 | 153 | 148 | 148 | 150 | 148 | 142 | 36 | 125 | 131 | 133 | 138 | 29 | 136 | 116 | 91 | 85 |
Swell 3 Height (m) Direction Period (s) | E 16 | S 12 | S 12 | S 12 | S 12 | S 12 | SSW 12 | S 11 | N 6 | SSW 14 | E 14 | E 14 | E 14 | SSW 14 | E 14 | SSW 13 | SE 7 | SE 6 | SE 6 |
| kJ | 172 | 103 | 103 | 71 | 71 | 70 | 45 | 39 | 16 | 123 | 146 | 144 | 138 | 133 | 138 | 118 | 14 | 10 | 10 |
Wind waves Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | — | E 8 | E 8 | E 8 | E 8 | — | E 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 377 | 396 | 489 | 681 | 697 | 654 | 761 | 850 | 655 | — | 553 | 596 | 542 | 439 | — | 415 | 450 | 450 | 361 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 8 | 17 | 25 | 8 | 158 | 25 | 16 | 19 | 178 | 161 | 158 | 8 | 160 | 160 | 8 | 160 | 160 | 160 | 368 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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