- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
Power Plant surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 am Friday 22 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
25.8° C
(Which is slightly warmer than usual)How big are the waves at Power Plant today?
The current surf forecast for Power Plant at 1PM is: 0.5m 14s primary swell from a South direction and 0.4m 18s secondary swell from a South direction (forecast issued at 07:00am May 22). An open ocean swell of 2.0m 9s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 May) | 1.5ft (0.5m) | 15s |
| Afternoon (22 May) | 1.5ft (0.4m) | 18s |
| Evening (22 May) | 1.5ft (0.4m) | 18s |
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 Fri afternoon, min 23°C on Fri morning). Mainly strong winds. | ||||||||||||||||||||||||
Friday 22 | Saturday 23 | Sunday 24 | Mon 25 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
S 15 | S 15 | S 14 | S 18 | S 18 | S 18 | S 17 | S 16 | S 16 | S 16 | S 16 | S 16 | S 15 | S 15 | S 15 | S 15 | S 14 | S 14 | S 13 | S 13 | S 14 | NW 12 | S 14 | S 14 | |
157 | 109 | 107 | 98 | 97 | 97 | 138 | 188 | 183 | 183 | 181 | 236 | 215 | 212 | 157 | 155 | 144 | 131 | 92 | 92 | 93 | 112 | 142 | 142 | |
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 | 10:01AM0.25m | 9:15PM0.60m | 11:31AM0.34m | 10:06PM0.53m | 12:27PM0.43m | 10:55PM0.47m | ||||||||||||||||||
Low Tide | 4:27AM0.12m | 1:30PM0.22m | 5:03AM0.11m | 3:27PM0.28m | 5:32AM0.09m | 5:26PM0.31m | ||||||||||||||||||
 |  | | | |  | | | | |  | | | | | | | | | | | | | | |
 | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | 5:50 |
 | — | — | — | — | 7:06 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | 7:07 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 23 | 23 | 24 | 25 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 25 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 25 | 24 | 23 | 23 | 23 |
19 | 19 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 18 | 19 | 21 | 19 | 20 | 19 | 20 | 20 | 21 | 20 | 20 | 20 | 20 | 20 | 21 | |
Swell 1 Height (m) Direction Period (s) | S 15 | ENE 9 | S 14 | S 14 | S 14 | S 14 | S 17 | S 16 | S 16 | S 16 | S 16 | S 16 | S 15 | S 15 | NNW 14 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 12 | S 14 | NNW 11 |
 kJ | 157 | 547 | 107 | 98 | 93 | 93 | 138 | 188 | 183 | 183 | 181 | 236 | 215 | 212 | 175 | 183 | 175 | 170 | 154 | 149 | 147 | 112 | 142 | 84 |
Swell 2 Height (m) Direction Period (s) | SE 12 | S 15 | SE 12 | S 18 | S 18 | NNW 11 | NNW 11 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 16 | NNW 15 | NNW 14 | S 15 | S 15 | S 14 | S 14 | S 13 | S 13 | S 14 | S 13 | NNW 12 | S 14 |
| kJ | 39 | 109 | 37 | 98 | 97 | 46 | 46 | 45 | 43 | 42 | 41 | 142 | 146 | 186 | 157 | 155 | 144 | 131 | 92 | 92 | 93 | 88 | 90 | 142 |
Swell 3 Height (m) Direction Period (s) | NW 10 | SSE 12 | NW 10 | NNW 11 | NNW 11 | S 18 | SSW 13 | S 13 | SSW 13 | SSW 13 | NNW 16 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | SSE 11 | S 16 | S 16 | S 16 | S 16 | SSE 11 | SSE 11 |
| kJ | 25 | 57 | 27 | 45 | 46 | 97 | 60 | 90 | 58 | 58 | 103 | 26 | 26 | 25 | 25 | 24 | 24 | 12 | 46 | 46 | 46 | 46 | 12 | 11 |
Wind waves Height (m) Direction Period (s) | E 8 | — | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 589 | — | 505 | 562 | 592 | 582 | 592 | 561 | 575 | 575 | 669 | 705 | 592 | 578 | 527 | 463 | 463 | 404 | 404 | 452 | 387 | 388 | 335 | 356 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 15 | 15 | 170 | 161 | 170 | 170 | 158 | 158 | 158 | 170 | 178 | 170 | 170 | 161 | 158 | 15 | 9 | 2 | 158 | 158 | 158 | 16 | 19 | 12 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Power Plant surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest