Surf Forecasts:
How big are the waves at Power Plant today (13 Aug):
- Morning surf: Morning surf (13 Aug, local time) - 4.5ft (1.4m), 16s period with S swell.
- Afternoon surf: Afternoon surf (13 Aug, local time) - 4.5ft (1.3m), 15s period with S swell.
- Evening surf: Evening surf (13 Aug, local time) - 4.5ft (1.3m), 15s period with S swell.
The current surf forecast for Power Plant at 7PM is: 1.3m 15s primary swell from a South direction and 0.3m 12s secondary swell from a West direction (forecast issued at 01:00pm August 13). An open ocean swell of 1.4m 7s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Aug) | 4.5ft (1.4m) | 16s |
| Afternoon (13 Aug) | 4.5ft (1.3m) | 15s |
| Evening (13 Aug) | 4.5ft (1.3m) | 15s |
Table - waves today at Power Plant. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 26mm), heaviest during Sun morning. Warm (max 29°C on Fri afternoon, min 25°C on Thu night). Winds increasing (moderate winds from the ENE on Thu night, near gales from the ENE by Sat night). | |||||||||||||||||||||
Thu 13 | Friday 14 | Saturday 15 | |||||||||||||||||||
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 16 | S 16 | S 15 | S 15 | S 15 | S 15 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 858 | 826 | 763 | 743 | 636 | 636 | 636 | 606 | 496 | 496 | 496 | 405 | 399 | 306 | 289 | 284 | 280 | 219 | 222 | 168 | 222 |
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 | off | off |
High Tide | 4:33PM0.71m | 4:57AM0.42m | 5:03PM0.63m | 5:45AM0.46m | 5:29PM0.55m | ||||||||||||||||
Low Tide | 9:38AM0.06m | 11:20PM0.09m | 10:27AM0.12m | 11:44PM0.09m | 11:19AM0.18m | ||||||||||||||||
 | | |  | | | | | | | | |  | | |  | | | | |  | |
 | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | 7:04 | — | — | — | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:01 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 28 | 27 | 25 | 26 | 25 | 25 | 25 | 27 | 29 | 27 | 26 | 26 | 25 | 26 | 26 | 27 | 28 | 27 | 26 | 26 |
Feels °C | 26 | 25 | 25 | 24 | 25 | 24 | 24 | 23 | 24 | 27 | 25 | 25 | 25 | 23 | 25 | 24 | 23 | 24 | 23 | 22 | 23 |
Swell 1 Height (m) Direction Period (s) | S 16 | S 16 | S 15 | S 15 | S 15 | S 15 | E 8 | S 15 | E 8 | E 8 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 |
| kJ | 858 | 826 | 763 | 743 | 636 | 636 | 291 | 606 | 310 | 314 | 496 | 405 | 399 | 306 | 289 | 284 | 280 | 219 | 222 | 168 | 222 |
Swell 2 Height (m) Direction Period (s) | W 12 | W 12 | W 12 | W 12 | W 11 | W 11 | S 15 | W 12 | S 14 | S 14 | W 12 | W 11 | W 11 | W 11 | W 11 | W 11 | WNW 11 | WNW 13 | WNW 13 | S 17 | WNW 13 |
| kJ | 25 | 25 | 25 | 24 | 23 | 23 | 636 | 24 | 496 | 496 | 24 | 22 | 21 | 21 | 21 | 21 | 24 | 56 | 57 | 94 | 57 |
Swell 3 Height (m) Direction Period (s) | NNW 8 | SE 10 | SE 9 | NNW 8 | NNW 7 | NNW 7 | W 12 | NNW 7 | W 12 | N 6 | SE 12 | SSW 18 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | S 16 | NNW 8 | WNW 13 | S 18 |
| kJ | 7 | 14 | 14 | 6 | 5 | 5 | 23 | 5 | 25 | 15 | 21 | 30 | 6 | 12 | 13 | 13 | 13 | 44 | 13 | 57 | 101 |
Wind waves Height (m) Direction Period (s) | E 6 | ENE 7 | ENE 7 | E 7 | E 7 | E 8 | — | E 8 | — | — | E 8 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 |
| kJ | 100 | 152 | 186 | 208 | 220 | 283 | — | 341 | — | — | 324 | 374 | 453 | 593 | 708 | 868 | 1095 | 1483 | 1755 | 2145 | 2622 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 15 | 158 | 15 | 0 | 0 | 3 | 2 | 152 | 15 | 158 | 158 | 15 | 170 | 170 | 170 | 161 | 170 | 178 | 170 | 170 | 170 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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