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Surf Forecasts:
Power Plant surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 am Wednesday 27 May 2026 HSTForecast update in hr min s Forecast update imminent
Power Plant surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Power Plant sea temperature is
25.3° C
(Which is normal for this time of year)How big are the waves at Power Plant today (27 May):
- Morning surf: Morning surf (27 May, local time) - 3ft (0.9m), 15s period with NW swell.
- Afternoon surf: Afternoon surf (27 May, local time) - 3ft (0.9m), 14s period with NW swell.
- Evening surf: Evening surf (27 May, local time) - 3ft (0.9m), 13s period with NW swell.
The current surf forecast for Power Plant at 10AM is: 0.9m 14s primary swell from a Northwest direction (forecast issued at 07:00am May 27). An open ocean swell of 1.3m 7s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 2.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 May) | 3ft (0.9m) | 15s |
| Afternoon (27 May) | 3ft (0.9m) | 14s |
| Evening (27 May) | 3ft (0.9m) | 13s |
Table - waves today at Power Plant. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 25°C on Wed afternoon, min 23°C on Wed morning). Mainly fresh winds. | ||||||||||||||||||||||||
Wednesday 27 | Thursday 28 | Friday 29 | Sat 30 | |||||||||||||||||||||
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 | 2 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
NW 15 | NW 15 | NW 14 | NW 14 | NW 14 | NW 13 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 12 | S 22 | S 21 | S 21 | S 21 | S 20 | S 20 | S 19 | S 19 | S 19 | S 18 | S 18 | |
370 | 360 | 341 | 322 | 313 | 299 | 290 | 242 | 239 | 217 | 175 | 175 | 175 | 240 | 332 | 445 | 436 | 515 | 618 | 745 | 730 | 693 | 642 | 646 | |
Wind (km/h) | ||||||||||||||||||||||||
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 | 2:15PM0.64m | 1:11AM0.31m | 2:46PM0.68m | 1:52AM0.28m | 3:18PM0.71m | |||||||||||||||||||
Low Tide | 6:45AM0.07m | 9:14PM0.24m | 7:10AM0.06m | 10:02PM0.21m | 7:37AM0.05m | 10:44PM0.19m | ||||||||||||||||||
 |  | |  | | |  | | | | | | | | | | | | | | | | | | |
 | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | 5:50 |
 | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:08 | — | — | — | — | — | — | — | 7:08 | — | — | 7:09 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 23 | 23 | 24 | 25 | 25 | 23 | 23 | 23 | 23 | 23 | 24 | 25 | 24 | 24 | 23 | 23 | 23 | 23 | 25 | 25 | 25 | 24 | 23 | 23 |
21 | 22 | 22 | 22 | 22 | 21 | 21 | 22 | 22 | 22 | 23 | 23 | 21 | 22 | 22 | 22 | 22 | 21 | 23 | 22 | 22 | 23 | 22 | 22 | |
Swell 1 Height (m) Direction Period (s) | NW 15 | ENE 7 | ENE 7 | NW 14 | NW 14 | NW 13 | NW 13 | NW 13 | NW 13 | E 7 | E 7 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | S 20 | S 20 | S 19 | S 19 | S 19 | S 18 | S 18 |
 kJ | 370 | 214 | 160 | 322 | 313 | 299 | 290 | 242 | 239 | 161 | 138 | 175 | 175 | 172 | 167 | 137 | 135 | 515 | 618 | 745 | 730 | 693 | 642 | 646 |
Swell 2 Height (m) Direction Period (s) | S 14 | NW 15 | NW 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | NW 12 | NW 12 | S 12 | S 12 | S 12 | S 21 | S 21 | S 21 | NW 11 | NW 11 | NNW 11 | NNW 11 | NNE 9 | NNE 9 | E 7 |
| kJ | 148 | 360 | 341 | 138 | 129 | 125 | 123 | 121 | 116 | 217 | 175 | 103 | 103 | 102 | 332 | 445 | 436 | 133 | 133 | 115 | 84 | 64 | 58 | 91 |
Swell 3 Height (m) Direction Period (s) | SSE 8 | S 14 | S 14 | SSE 8 | SE 8 | SSE 8 | N 12 | N 11 | SW 16 | S 12 | S 12 | S 23 | S 23 | S 22 | S 12 | S 12 | S 12 | N 10 | N 10 | N 10 | N 10 | NNW 11 | S 13 | NNE 9 |
| kJ | 7 | 146 | 144 | 7 | 17 | 6 | 26 | 23 | 41 | 109 | 105 | 97 | 167 | 240 | 100 | 67 | 65 | 71 | 70 | 68 | 67 | 81 | 121 | 61 |
Wind waves Height (m) Direction Period (s) | E 7 | — | — | ENE 7 | ENE 6 | ENE 7 | ENE 7 | E 7 | E 7 | — | — | ENE 7 | ENE 6 | ENE 6 | ENE 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | ENE 6 |
| kJ | 245 | — | — | 160 | 165 | 197 | 203 | 187 | 192 | — | — | 145 | 165 | 149 | 139 | 134 | 134 | 130 | 111 | 135 | 131 | 113 | 94 | 188 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 8 | 9 | 8 | 8 | 0 | 0 | 0 | 0 | 0 | 19 | 8 | 0 | 0 | 0 | 0 | 8 | 8 | 8 | 0 | 0 | 0 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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