Surf Forecasts:
How big are the waves at Power Plant today (18 Sep):
- Morning surf: Morning surf (18 Sep, local time) - 3.5ft (1.1m), 17s period with SSW swell.
- Afternoon surf: Afternoon surf (18 Sep, local time) - 3.5ft (1.1m), 17s period with SSW swell.
- Evening surf: Evening surf (18 Sep, local time) - 3.5ft (1.1m), 16s period with SSW swell.
The current surf forecast for Power Plant at 7AM is: 1.1m 18s primary swell from a South-southwest direction (forecast issued at 01:00am September 18). An open ocean swell of 0.6m 6s is not directed at the surf break, a second open ocean swell of 1.4m 8s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 3.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 3.5ft (1.1m) | 17s |
| Afternoon (18 Sep) | 3.5ft (1.1m) | 17s |
| Evening (18 Sep) | 3.5ft (1.1m) | 16s |
Table - waves today at Power Plant. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 29°C on Fri morning, min 25°C on Sun night). Mainly fresh winds. | ||||||||||||||||||||||||
Friday 18 | Saturday 19 | Sunday 20 | ||||||||||||||||||||||
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) | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | S 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 826 | 751 | 742 | 725 | 700 | 675 | 659 | 643 | 627 | 525 | 512 | 506 | 506 | 512 | 512 | 306 | 257 | 346 | 333 | 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 | off | off | off | off | off |
High Tide | 10:11AM0.54m | 11:24AM0.56m | 11:58PM0.21m | 12:17PM0.58m | ||||||||||||||||||||
Low Tide | 00:34AM0.14m | 1:44AM0.17m | 8:14PM0.18m | 3:50AM0.18m | 8:11PM0.16m | |||||||||||||||||||
 |  |  | | | | | | | | | | |  | | | | | | | | | | | |
 | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 27 | 29 | 29 | 28 | 26 | 26 | 26 | 26 | 26 | 28 | 28 | 27 | 26 | 26 | 26 | 26 | 26 | 28 | 28 | 27 | 26 | 25 |
Feels °C | 26 | 26 | 27 | 28 | 26 | 27 | 25 | 26 | 26 | 26 | 25 | 26 | 25 | 25 | 25 | 26 | 26 | 26 | 25 | 26 | 26 | 25 | 25 | 24 |
Swell 1 Height (m) Direction Period (s) | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | E 8 | E 8 | SSW 16 | SSW 16 | E 8 | SSW 15 | SSW 15 | SSW 15 |
| kJ | 826 | 751 | 742 | 725 | 700 | 675 | 659 | 643 | 627 | 525 | 512 | 506 | 506 | 512 | 512 | 306 | 284 | 251 | 333 | 320 | 102 | 375 | 380 | 468 |
Swell 2 Height (m) Direction Period (s) | N 6 | N 6 | N 7 | N 7 | N 7 | N 7 | SSE 7 | N 7 | N 6 | SSE 8 | SSE 7 | E 8 | S 18 | SE 7 | N 6 | S 16 | SSW 14 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SW 15 | SW 15 | SW 15 |
| kJ | 41 | 40 | 32 | 32 | 22 | 21 | 29 | 22 | 22 | 40 | 35 | 107 | 162 | 23 | 12 | 264 | 173 | 346 | 162 | 146 | 375 | 104 | 104 | 54 |
Swell 3 Height (m) Direction Period (s) | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 9 | SSE 8 | N 7 | SSE 9 | SE 9 | N 6 | NNE 6 | SSE 7 | S 13 | S 18 | S 18 | S 13 | S 16 | SW 14 | SSE 8 | SSE 6 | SW 15 | SSE 8 | SSE 6 | NNW 11 |
| kJ | 9 | 9 | 9 | 9 | 8 | 22 | 23 | 8 | 20 | 21 | 14 | 18 | 3 | 162 | 99 | 3 | 257 | 167 | 44 | 17 | 104 | 13 | 8 | 11 |
Wind waves Height (m) Direction Period (s) | E 9 | E 9 | E 8 | E 8 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 7 | E 8 | E 8 | E 8 | E 8 | — | — | E 8 | E 8 | E 6 | E 7 | E 7 | E 7 |
| kJ | 264 | 304 | 273 | 314 | 311 | 312 | 247 | 270 | 336 | 336 | 277 | 145 | 357 | 337 | 323 | 321 | — | — | 257 | 295 | 137 | 261 | 272 | 290 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 2 | 1 | 8 | 152 | 1 | 2 | 8 | 0 | 8 | 8 | 9 | 19 | 9 | 8 | 0 | 0 | 0 | 0 | 8 | 12 | 9 | 8 | 152 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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