Surf Forecasts:
How big are the waves at Power Plant today (16 Aug):
- Morning surf: Morning surf (16 Aug, local time) - 2ft (0.6m), 17s period with S swell.
- Afternoon surf: Afternoon surf (16 Aug, local time) - 2.5ft (0.8m), 13s period with S swell.
- Evening surf: Evening surf (16 Aug, local time) - 2.5ft (0.8m), 13s period with S swell.
The current surf forecast for Power Plant at 1AM is: 0.7m 13s primary swell from a South direction and 0.4m 18s secondary swell from a South direction (forecast issued at 07:00pm August 15). An open ocean swell of 4.5m 10s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Aug) | 2ft (0.6m) | 17s |
| Afternoon (16 Aug) | 2.5ft (0.8m) | 13s |
| Evening (16 Aug) | 2.5ft (0.8m) | 13s |
Table - waves today at Power Plant. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 58mm), heaviest during Sun morning. Warm (max 27°C on Sun afternoon, min 24°C on Mon night). Winds decreasing (near gales from the ENE on Sat night, light winds from the E by Sun night). | |||||||||||||||||||
Sat 15 | Sunday 16 | Monday 17 | |||||||||||||||||
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 13 | S 13 | S 13 | S 14 | S 14 | S 17 | S 16 | S 16 | S 13 | S 13 | S 13 | S 14 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 |
Wave Graph  | |||||||||||||||||||
 kJ | 222 | 168 | 222 | 179 | 249 | 209 | 192 | 183 | 215 | 215 | 215 | 315 | 339 | 334 | 338 | 334 | 333 | 320 | 242 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | off | off | off |
High Tide | 5:29PM0.55m | 6:36AM0.49m | 5:51PM0.47m | 7:32AM0.51m | 6:05PM0.40m | ||||||||||||||
Low Tide | 00:07AM0.09m | 12:16PM0.25m | 00:30AM0.09m | 1:28PM0.30m | |||||||||||||||
 |  |  |  |  |  | | | | | | | |  | | | |  | | |
 | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | 7:01 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:00 | — | — |
mm | — | — | — | 1 | 13 | 24 | 11 | 5 | 3 | 1 | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 26 | 26 | 26 | 25 | 25 | 25 | 26 | 27 | 26 | 26 | 26 | 25 | 26 | 26 | 27 | 27 | 26 | 25 |
Feels °C | 24 | 21 | 21 | 20 | 21 | 23 | 23 | 25 | 27 | 27 | 28 | 29 | 28 | 28 | 27 | 28 | 28 | 27 | 26 |
Swell 1 Height (m) Direction Period (s) | S 13 | S 13 | S 13 | S 14 | S 14 | N 7 | S 13 | S 13 | S 13 | S 13 | SSE 7 | SSE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 7 | ENE 7 | E 7 |
| kJ | 222 | 168 | 222 | 179 | 249 | 38 | 156 | 157 | 215 | 215 | 214 | 173 | 197 | 159 | 127 | 123 | 112 | 114 | 127 |
Swell 2 Height (m) Direction Period (s) | WNW 13 | S 17 | WNW 13 | S 18 | S 18 | S 17 | S 16 | S 16 | S 16 | S 16 | ENE 8 | ENE 8 | SSE 7 | S 6 | S 14 | S 14 | S 14 | S 14 | S 14 |
| kJ | 57 | 95 | 57 | 99 | 98 | 209 | 192 | 183 | 183 | 181 | 284 | 202 | 111 | 97 | 338 | 334 | 333 | 320 | 242 |
Swell 3 Height (m) Direction Period (s) | NNW 8 | WNW 13 | S 18 | WNW 13 | WNW 12 | S 13 | N 7 | NNE 7 | WNW 12 | WNW 11 | S 13 | S 14 | S 15 | S 14 | SSE 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 |
| kJ | 7 | 57 | 101 | 55 | 50 | 115 | 35 | 26 | 27 | 43 | 215 | 315 | 339 | 334 | 47 | 33 | 24 | 19 | 13 |
Wind waves Height (m) Direction Period (s) | E 10 | E 10 | E 10 | E 11 | E 10 | ESE 10 | ESE 9 | ESE 9 | ESE 8 | ESE 8 | ESE 8 | SSE 7 | — | — | — | E 7 | — | — | — |
| kJ | 2560 | 2927 | 3922 | 4869 | 3987 | 2828 | 1599 | 1058 | 870 | 650 | 519 | 198 | — | — | — | 183 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 170 | 170 | 178 | 187 | 178 | 187 | 188 | 26 | 26 | 16 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
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