Surf Forecasts:
How big are the waves at Power Plant today (19 Sep):
- Morning surf: Morning surf (19 Sep, local time) - 3.5ft (1.0m), 16s period with SSW swell.
- Afternoon surf: Afternoon surf (19 Sep, local time) - 3.5ft (1.0m), 16s period with SSW swell.
- Evening surf: Evening surf (19 Sep, local time) - 3.5ft (1.0m), 16s period with SSW swell.
The current surf forecast for Power Plant at 3AM is: 1.1m 16s primary swell from a South-southwest direction (forecast issued at 07:00pm September 18). An open ocean swell of 0.5m 6s is not directed at the surf break, a second open ocean swell of 1.6m 8s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Sep) | 3.5ft (1.0m) | 16s |
| Afternoon (19 Sep) | 3.5ft (1.0m) | 16s |
| Evening (19 Sep) | 3.5ft (1.0m) | 16s |
Table - waves today at Power Plant. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Sat morning, min 25°C on Sun night). Mainly fresh winds. | |||||||||||||||||||
Fri 18 | Saturday 19 | Sunday 20 | |||||||||||||||||
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) | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | S 16 | S 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 |
Wave Graph  | |||||||||||||||||||
 kJ | 675 | 659 | 643 | 627 | 525 | 512 | 506 | 506 | 512 | 512 | 302 | 334 | 326 | 337 | 320 | 375 | 375 | 380 | 468 |
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 |
High Tide | 11:24AM0.56m | 11:58PM0.21m | 12:17PM0.58m | ||||||||||||||||
Low Tide | 1:44AM0.17m | 8:14PM0.18m | 3:50AM0.18m | 8:11PM0.16m | |||||||||||||||
 |  | |  | | | | | | | | | |  | | | | | | |
 | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — |
 | 6:31 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 26 | 26 | 26 | 26 | 26 | 28 | 28 | 27 | 26 | 26 | 26 | 26 | 26 | 28 | 28 | 27 | 26 | 25 |
Feels °C | 26 | 25 | 26 | 26 | 25 | 25 | 26 | 26 | 26 | 25 | 26 | 26 | 26 | 25 | 26 | 26 | 25 | 25 | 24 |
Swell 1 Height (m) Direction Period (s) | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | E 8 | SSW 16 | SSW 16 | E 8 | E 8 | S 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 |
| kJ | 675 | 659 | 643 | 627 | 525 | 512 | 506 | 282 | 512 | 512 | 291 | 224 | 326 | 337 | 320 | 375 | 375 | 380 | 468 |
Swell 2 Height (m) Direction Period (s) | N 7 | N 7 | N 6 | N 6 | SSE 7 | SE 7 | SSW 18 | SSW 16 | S 18 | N 6 | SSW 15 | SSW 15 | SW 16 | SSW 14 | SSW 15 | SW 15 | SW 15 | SW 15 | SW 15 |
| kJ | 22 | 22 | 20 | 22 | 33 | 22 | 107 | 506 | 162 | 11 | 302 | 287 | 251 | 133 | 146 | 104 | 104 | 104 | 54 |
Swell 3 Height (m) Direction Period (s) | SE 7 | SSE 6 | WSW 9 | SE 8 | N 6 | N 6 | NNE 6 | S 18 | NNE 6 | SE 7 | S 16 | S 16 | SSE 8 | SSE 6 | SSE 6 | SSE 6 | SSE 8 | SSE 8 | SSE 8 |
| kJ | 21 | 17 | 8 | 15 | 20 | 20 | 13 | 162 | 13 | 13 | 264 | 334 | 37 | 22 | 23 | 15 | 6 | 6 | 6 |
Wind waves Height (m) Direction Period (s) | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | — | — | E 8 | E 8 | E 8 | E 8 | E 7 | E 7 | E 7 |
| kJ | 351 | 291 | 299 | 298 | 277 | 323 | 323 | 398 | 313 | 321 | — | — | 230 | 228 | 266 | 277 | 223 | 220 | 243 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 160 | 9 | 8 | 8 | 8 | 8 | 8 | 9 | 8 | 2 | 0 | 0 | 0 | 0 | 8 | 9 | 8 | 8 | 0 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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