Surf Forecasts:
How big are the waves at Power Plant today (19 Aug):
- Morning surf: Morning surf (19 Aug, local time) - 1.5ft (0.5m), 16s period with SW swell.
- Afternoon surf: Afternoon surf (19 Aug, local time) - 1.5ft (0.5m), 16s period with SW swell.
- Evening surf: Evening surf (19 Aug, local time) - 1.5ft (0.4m), 16s period with SSW swell.
The current surf forecast for Power Plant at 7AM is: 0.5m 16s primary swell from a Southwest direction and 0.5m 12s secondary swell from a South direction (forecast issued at 01:00am August 19). An open ocean swell of 0.8m 8s is not directed at the surf break, a second open ocean swell of 0.8m 7s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Aug) | 1.5ft (0.5m) | 16s |
| Afternoon (19 Aug) | 1.5ft (0.5m) | 16s |
| Evening (19 Aug) | 1.5ft (0.4m) | 16s |
Table - waves today at Power Plant. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Thu afternoon, min 25°C on Wed morning). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 19 | Thursday 20 | Friday 21 | ||||||||||||||||||||||
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 | 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 12 | S 12 | SW 16 | SW 16 | SSW 16 | SW 16 | SSW 16 | SW 16 | SSW 16 | SSW 17 | SW 18 | SW 18 | SW 18 | SW 17 | SW 16 | SW 16 | SSW 16 | SW 17 | SSW 17 | SSW 17 | SW 16 | SSW 16 | SSW 16 | SW 16 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 110 | 71 | 127 | 129 | 177 | 129 | 103 | 127 | 177 | 200 | 249 | 316 | 316 | 302 | 278 | 271 | 347 | 414 | 368 | 364 | 278 | 326 | 322 | 367 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | cross-off | off | off | off | off | off | off | glassy | cross-on | cross | glassy | glassy | glassy | glassy | cross-off | cross | cross-on | glassy | glassy | off |
High Tide | 9:54AM0.53m | 11:13AM0.55m | 12:17PM0.58m | |||||||||||||||||||||
Low Tide | 1:22AM0.12m | 2:02AM0.13m | 3:07AM0.14m | 9:33PM0.20m | ||||||||||||||||||||
 |  |  | | | | | | | |  | | | | | | | | | | | | | | |
 | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:59 | — | — | — | — | — | — | — | 6:59 | — | — | — | — | — | — | — | 6:58 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 24 | 25 | 26 | 27 | 27 | 26 | 26 | 25 | 25 | 25 | 27 | 28 | 27 | 27 | 26 | 26 | 25 | 26 | 27 | 27 | 27 | 27 | 27 |
Feels °C | 26 | 25 | 27 | 28 | 28 | 29 | 28 | 28 | 26 | 27 | 27 | 30 | 31 | 30 | 31 | 30 | 30 | 29 | 30 | 31 | 30 | 31 | 31 | 29 |
Swell 1 Height (m) Direction Period (s) | ENE 8 | E 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | E 8 | SW 18 | SW 18 | SW 17 | SW 16 | NE 7 | SSW 16 | SW 17 | SSW 17 | SSW 17 | SW 16 | SSW 16 | SSW 16 | SW 16 |
| kJ | 94 | 90 | 94 | 69 | 66 | 47 | 47 | 63 | 61 | 89 | 60 | 316 | 316 | 302 | 278 | 56 | 347 | 414 | 368 | 364 | 278 | 326 | 322 | 367 |
Swell 2 Height (m) Direction Period (s) | S 12 | S 12 | S 12 | SW 16 | SSW 16 | SW 16 | S 12 | SW 16 | SSW 16 | SSW 17 | SW 18 | E 8 | E 8 | E 8 | E 8 | SW 16 | NE 7 | NE 7 | W 10 | W 11 | W 11 | W 11 | W 10 | W 10 |
| kJ | 110 | 71 | 69 | 129 | 177 | 129 | 71 | 127 | 177 | 200 | 249 | 42 | 41 | 40 | 40 | 271 | 56 | 56 | 75 | 85 | 114 | 110 | 77 | 74 |
Swell 3 Height (m) Direction Period (s) | SSE 10 | WNW 12 | SW 16 | SSE 10 | S 12 | S 12 | SSW 16 | S 12 | S 12 | S 12 | NNE 6 | NNE 6 | NNE 6 | W 11 | N 6 | W 10 | W 9 | W 10 | E 7 | E 7 | E 7 | E 7 | E 8 | E 8 |
| kJ | 37 | 48 | 127 | 35 | 69 | 71 | 103 | 45 | 45 | 44 | 13 | 13 | 13 | 55 | 20 | 48 | 26 | 49 | 28 | 26 | 28 | 28 | 29 | 41 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 7 | ENE 7 | — | ENE 7 | — | ENE 6 | ENE 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 86 | 79 | 51 | 52 | — | 47 | — | 60 | 75 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 3 | 0 | 0 | 0 | 0 | 0 | 8 | 26 | 0 | 0 | 0 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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