Surf Forecasts:
How big are the waves at Power Plant today (31 Jul):
- Morning surf: Morning surf (31 Jul, local time) - 2.5ft (0.7m), 16s period with SW swell.
- 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 8AM is: 0.7m 16s primary swell from a Southwest direction and 0.7m 12s secondary swell from a South direction (forecast issued at 07:00pm July 30). An open ocean swell of 1.2m 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) | 2.5ft (0.7m) | 16s |
| 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 Fri afternoon, min 25°C on Fri night). Mainly fresh winds. | |||||||||||||||||||
Thu 30 | Friday 31 | Saturday 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 18 | SSW 18 | S 13 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 |
Wave Graph  | |||||||||||||||||||
 kJ | 222 | 219 | 215 | 268 | 264 | 264 | 258 | 251 | 232 | 226 | 223 | 220 | 217 | 208 | 191 | 123 | 123 | 123 | 127 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off |
High Tide | 4:45PM0.70m | 4:50AM0.33m | 5:11PM0.66m | 5:36AM0.37m | 5:35PM0.61m | ||||||||||||||
Low Tide | 11:47PM0.13m | 10:08AM0.10m | 00:07AM0.12m | 10:50AM0.16m | |||||||||||||||
 |  |  | | | |  | | | |  | | | | | | | | | |
 | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — |
 | 7:12 | — | — | — | — | — | — | — | 7:12 | — | — | — | — | — | — | — | 7:10 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 27 | 26 | 26 | 26 | 26 | 27 | 28 | 27 | 25 | 25 | 25 | 25 | 25 | 26 | 27 | 26 | 25 | 25 |
Feels °C | 29 | 29 | 27 | 27 | 27 | 25 | 25 | 26 | 25 | 23 | 22 | 23 | 22 | 22 | 23 | 23 | 23 | 23 | 23 |
Swell 1 Height (m) Direction Period (s) | E 8 | S 13 | E 8 | E 7 | E 8 | S 12 | E 8 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SSW 14 | SSW 14 | SSW 14 | E 14 |
| kJ | 100 | 219 | 93 | 130 | 133 | 151 | 191 | 251 | 232 | 226 | 223 | 220 | 217 | 208 | 191 | 123 | 123 | 123 | 146 |
Swell 2 Height (m) Direction Period (s) | S 13 | E 8 | S 13 | S 13 | S 13 | SW 16 | S 12 | S 12 | S 12 | E 15 | E 15 | E 15 | E 14 | E 14 | E 15 | E 14 | E 14 | E 14 | SSW 14 |
| kJ | 222 | 78 | 215 | 212 | 209 | 264 | 148 | 146 | 104 | 167 | 161 | 153 | 148 | 148 | 150 | 148 | 142 | 144 | 127 |
Swell 3 Height (m) Direction Period (s) | SSW 18 | SSW 18 | SSW 17 | SW 16 | SW 16 | E 16 | SW 16 | E 15 | E 16 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 11 | N 6 | N 6 | S 11 |
| kJ | 207 | 204 | 190 | 268 | 264 | 125 | 258 | 163 | 172 | 103 | 103 | 71 | 71 | 70 | 41 | 39 | 20 | 27 | 22 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | ENE 7 | 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 |
| kJ | — | — | — | — | 97 | 159 | 253 | 256 | 256 | 328 | 527 | 697 | 759 | 699 | 825 | 759 | 581 | 540 | 666 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 8 | 0 | 0 | 0 | 0 | 8 | 12 | 12 | 158 | 160 | 160 | 12 | 161 | 19 | 178 | 158 | 160 | 16 | 19 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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