Surf Forecasts:
How big are the waves at Power Plant today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 2ft (0.6m), 18s period with SSW swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 2.5ft (0.7m), 17s period with SW swell.
- Evening surf: Evening surf (20 Aug, local time) - 2.5ft (0.7m), 16s period with SW swell.
The current surf forecast for Power Plant at 3AM is: 0.6m 17s primary swell from a South-southwest direction (forecast issued at 07:00pm August 19). An open ocean swell of 0.7m 8s is not directed at the surf break, a second open ocean swell of 0.9m 7s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 2ft (0.6m) | 18s |
| Afternoon (20 Aug) | 2.5ft (0.7m) | 17s |
| Evening (20 Aug) | 2.5ft (0.7m) | 16s |
Table - waves today at Power Plant. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 29°C on Sat afternoon, min 25°C on Wed night). Winds increasing (calm on Thu morning, fresh winds from the ENE by Sat afternoon). | |||||||||||||||||||
Wed 19 | Thursday 20 | Friday 21 | |||||||||||||||||
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 16 | SSW 16 | SW 16 | SSW 16 | SSW 17 | SSW 18 | SW 18 | SW 18 | SW 17 | SW 16 | SW 16 | SSW 16 | SSW 17 | SSW 17 | SSW 17 | SW 16 | SSW 16 | SSW 16 | SW 16 |
Wave Graph  | |||||||||||||||||||
 kJ | 129 | 103 | 127 | 177 | 200 | 207 | 316 | 316 | 302 | 278 | 271 | 347 | 364 | 368 | 368 | 278 | 326 | 322 | 367 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | off | glassy | glassy | glassy | cross-off | glassy | glassy | cross-off | glassy | cross | cross-on | glassy | glassy | off |
High Tide | 11:13AM0.55m | 12:17PM0.58m | |||||||||||||||||
Low Tide | 2:02AM0.13m | 3:07AM0.14m | 9:33PM0.20m | ||||||||||||||||
 |  | |  | |  | | | | | | | | | | | | | | |
 | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | 6:59 | — | — | — | — | — | — | — | 6:59 | — | — | — | — | — | — | — | 6:58 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 26 | 26 | 25 | 25 | 25 | 27 | 27 | 27 | 27 | 26 | 25 | 25 | 26 | 27 | 27 | 27 | 27 | 26 |
Feels °C | 27 | 27 | 27 | 27 | 27 | 28 | 31 | 30 | 30 | 30 | 30 | 29 | 29 | 30 | 31 | 31 | 31 | 31 | 29 |
Swell 1 Height (m) Direction Period (s) | E 8 | S 12 | E 8 | E 8 | ENE 8 | E 8 | SW 18 | SW 18 | SW 17 | ENE 7 | ENE 7 | SSW 16 | SSW 17 | SSW 17 | SSW 17 | SW 16 | SSW 16 | SSW 16 | SW 16 |
| kJ | 65 | 71 | 82 | 61 | 87 | 60 | 316 | 316 | 302 | 70 | 70 | 347 | 364 | 368 | 368 | 278 | 326 | 322 | 367 |
Swell 2 Height (m) Direction Period (s) | SW 16 | SSW 16 | SW 16 | SSW 16 | SSW 17 | SSW 18 | E 8 | E 8 | E 8 | SW 16 | SW 16 | NE 7 | NE 7 | NE 7 | W 11 | W 10 | W 10 | W 10 | ENE 7 |
| kJ | 129 | 103 | 127 | 177 | 200 | 207 | 42 | 41 | 41 | 278 | 271 | 56 | 54 | 54 | 81 | 74 | 73 | 50 | 43 |
Swell 3 Height (m) Direction Period (s) | S 12 | NNE 6 | S 12 | NNE 6 | S 12 | NNE 6 | NNE 6 | NNE 6 | W 11 | W 10 | W 10 | W 9 | W 11 | W 11 | E 7 | E 7 | E 8 | E 8 | W 10 |
| kJ | 71 | 12 | 45 | 12 | 44 | 13 | 13 | 14 | 55 | 48 | 45 | 43 | 57 | 84 | 26 | 26 | 29 | 29 | 47 |
Wind waves Height (m) Direction Period (s) | ENE 8 | E 8 | ENE 5 | ENE 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 112 | 108 | 42 | 77 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 8 | 0 | 0 | 0 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
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