Surf Forecasts:
How big are the waves at Power Plant today (16 Aug):
- Morning surf: Morning surf (16 Aug, local time) - 2.5ft (0.8m), 17s period with S swell.
- Afternoon surf: Afternoon surf (16 Aug, local time) - 10ft (3.0m), 9s period with SE swell.
- Evening surf: Evening surf (16 Aug, local time) - 2ft (0.6m), 16s period with S swell.
The current surf forecast for Power Plant at 12PM is: 4.0m 10s primary swell from a Southeast direction and 0.7m 16s secondary swell from a South direction (forecast issued at 07:00am August 16). An open ocean swell of 0.7m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Aug) | 2.5ft (0.8m) | 17s |
| Afternoon (16 Aug) | 10ft (3.0m) | 9s |
| Evening (16 Aug) | 2ft (0.6m) | 16s |
Table - waves today at Power Plant. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 39mm), heaviest during Sun morning. Warm (max 27°C on Sun afternoon, min 24°C on Mon night). Winds decreasing (near gales from the ESE on Sun morning, light winds from the E by Sun night). | |||||||||||||||||||||||
Sunday 16 | Monday 17 | Tuesday 18 | |||||||||||||||||||||
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 14 | S 17 | SE 10 | SE 9 | SE 8 | S 16 | SSE 7 | S 14 | 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 | S 13 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 198 | 377 | 3380 | 1588 | 1159 | 181 | 280 | 315 | 339 | 334 | 338 | 334 | 329 | 257 | 242 | 225 | 167 | 168 | 168 | 123 | 119 | 119 | 123 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off |
High Tide | 6:36AM0.49m | 5:51PM0.47m | 7:32AM0.51m | 6:05PM0.40m | 8:37AM0.52m | 5:51PM0.34m | |||||||||||||||||
Low Tide | 12:16PM0.25m | 00:30AM0.09m | 1:28PM0.30m | 00:54AM0.10m | 3:34PM0.33m | ||||||||||||||||||
 |  |  | | | | |  | |  | | | | | | | |  | | | | |  | |
 | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:00 | — | — |
mm | 19 | 24 | 6 | 4 | 3 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 26 | 27 | 26 | 26 | 26 | 25 | 26 | 26 | 27 | 27 | 25 | 25 | 24 | 24 | 25 | 27 | 27 | 27 | 25 | 25 |
Feels °C | 22 | 20 | 25 | 26 | 28 | 27 | 27 | 28 | 28 | 28 | 27 | 28 | 28 | 26 | 26 | 25 | 25 | 26 | 28 | 27 | 27 | 25 | 26 |
Swell 1 Height (m) Direction Period (s) | S 14 | S 17 | NNE 7 | NNE 7 | S 13 | S 13 | SSE 7 | SSE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | ENE 7 | E 7 | E 7 | E 7 | E 7 | ENE 7 | ENE 7 | E 7 | S 13 | S 13 |
| kJ | 198 | 377 | 73 | 55 | 209 | 166 | 280 | 173 | 197 | 163 | 130 | 123 | 138 | 117 | 109 | 109 | 106 | 83 | 79 | 84 | 83 | 119 | 123 |
Swell 2 Height (m) Direction Period (s) | S 18 | WNW 12 | S 16 | S 16 | S 16 | S 16 | ENE 8 | ENE 8 | SSE 7 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | SSE 8 | SSE 7 |
| kJ | 98 | 49 | 255 | 183 | 183 | 181 | 293 | 244 | 121 | 334 | 338 | 334 | 329 | 257 | 242 | 225 | 167 | 168 | 168 | 123 | 119 | 37 | 35 |
Swell 3 Height (m) Direction Period (s) | WNW 12 | SSW 19 | S 12 | S 13 | NNE 7 | WNW 11 | S 13 | S 14 | S 15 | SSE 6 | SSE 6 | SSE 6 | SSW 6 | SSW 6 | SW 6 | SE 10 | SE 10 | SSE 10 | SE 10 | SE 10 | SE 8 | SW 18 | WNW 12 |
| kJ | 50 | 37 | 46 | 121 | 27 | 25 | 215 | 315 | 339 | 64 | 34 | 30 | 20 | 13 | 8 | 23 | 25 | 38 | 47 | 46 | 35 | 80 | 49 |
Wind waves Height (m) Direction Period (s) | E 10 | ESE 10 | SE 10 | SE 9 | SE 8 | ESE 8 | — | ESE 8 | — | ENE 8 | — | — | — | — | — | — | — | — | — | — | E 7 | ENE 7 | E 7 |
| kJ | 5173 | 8647 | 3380 | 1588 | 1159 | 824 | — | 400 | — | 149 | — | — | — | — | — | — | — | — | — | — | 127 | 111 | 103 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 178 | 264 | 264 | 192 | 26 | 19 | 16 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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