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Surf Forecasts:
Power Plant surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 pm Sunday 24 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
25.4° C
(Which is normal for this time of year)How big are the waves at Power Plant today?
The current surf forecast for Power Plant at 12AM is: 0.6m 14s primary swell from a South direction and 0.6m 12s secondary swell from a Northwest direction (forecast issued at 07:00pm May 24). An open ocean swell of 1.9m 7s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 May) | - | - |
| Afternoon (25 May) | 1.5ft (0.5m) | 13s |
| Evening (25 May) | 2ft (0.6m) | 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 Mon morning, min 23°C on Sun night). Mainly fresh winds. | ||||||||||||||||||||||||
Sun 24 | Monday 25 | Tuesday 26 | Wed 27 | |||||||||||||||||||||
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 | 5 AM | 8 AM | 11 AM | 2 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
S 14 | S 13 | 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 16 | NW 19 | NW 18 | NW 17 | NW 16 | NW 16 | NW 15 | NW 15 | NW 14 | NW 14 | |
93 | 127 | 142 | 142 | 142 | 64 | 142 | 131 | 87 | 84 | 121 | 84 | 84 | 83 | 79 | 127 | 201 | 241 | 314 | 251 | 370 | 360 | 341 | 322 | |
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 | 10:55PM0.47m | 1:08PM0.51m | 11:42PM0.41m | 1:43PM0.59m | 00:27AM0.36m | |||||||||||||||||||
Low Tide | 5:26PM0.31m | 5:58AM0.08m | 7:02PM0.30m | 6:22AM0.07m | 8:16PM0.27m | 6:45AM0.07m | ||||||||||||||||||
 |  | | | | | |  | | | |  |  | | | | | | | | |  | | | |
 | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — |
 | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | 7:07 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 25 | 23 | 23 | 23 | 23 | 23 | 25 | 25 | 25 | 23 | 23 | 23 | 23 | 23 | 25 | 25 | 25 | 23 | 23 | 23 | 23 | 23 | 25 | 25 |
21 | 20 | 20 | 20 | 21 | 20 | 22 | 22 | 22 | 21 | 21 | 21 | 20 | 19 | 22 | 22 | 22 | 20 | 21 | 21 | 21 | 22 | 22 | 23 | |
Swell 1 Height (m) Direction Period (s) | NW 12 | NW 12 | S 14 | NNW 11 | NNW 11 | NW 11 | NNE 8 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 12 | NW 18 | NW 17 | NW 16 | NW 16 | NW 15 | ENE 7 | ENE 7 | NW 14 |
 kJ | 147 | 112 | 142 | 84 | 82 | 59 | 73 | 131 | 87 | 84 | 121 | 84 | 84 | 83 | 51 | 74 | 201 | 241 | 314 | 251 | 370 | 214 | 186 | 322 |
Swell 2 Height (m) Direction Period (s) | S 14 | S 13 | NW 12 | S 14 | S 14 | S 14 | S 14 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 | S 16 | NW 19 | S 12 | S 16 | S 15 | S 15 | S 14 | NW 15 | NW 14 | S 14 |
| kJ | 93 | 127 | 108 | 142 | 142 | 64 | 142 | 57 | 56 | 40 | 28 | 27 | 25 | 25 | 79 | 127 | 73 | 172 | 157 | 150 | 148 | 360 | 341 | 138 |
Swell 3 Height (m) Direction Period (s) | S 16 | S 16 | SSE 11 | SSE 11 | SSE 11 | S 12 | NW 11 | SSE 9 | SSE 10 | SSE 10 | SSE 8 | S 17 | SSE 7 | S 16 | NW 10 | S 16 | S 16 | NNW 10 | NNW 10 | NNW 9 | NNW 9 | S 14 | S 14 | SE 8 |
| kJ | 46 | 46 | 12 | 11 | 11 | 45 | 58 | 8 | 9 | 9 | 6 | 49 | 9 | 47 | 15 | 80 | 45 | 9 | 9 | 8 | 8 | 146 | 144 | 17 |
Wind waves Height (m) Direction Period (s) | ENE 6 | ENE 6 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 6 | ENE 7 | E 7 | E 7 | E 7 | — | — | ENE 7 |
| kJ | 222 | 263 | 376 | 346 | 273 | 273 | 212 | 319 | 286 | 247 | 233 | 254 | 269 | 269 | 215 | 210 | 218 | 284 | 285 | 272 | 239 | — | — | 214 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 158 | 158 | 158 | 12 | 8 | 12 | 9 | 160 | 16 | 15 | 8 | 9 | 19 | 19 | 8 | 9 | 158 | 16 | 8 | 2 | 0 | 0 | 12 | 0 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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