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Surf Forecasts:
Power Plant surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 am Monday 27 Apr 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
25.0° 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 9AM is: 0.6m 13s primary swell from a Southwest direction (forecast issued at 01:00am April 27). An open ocean swell of 0.7m 11s is not directed at the surf break, a second open ocean swell of 0.6m 8s is not directed at the surf break, a second open ocean swell of 1.0m 8s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Apr) | 2ft (0.6m) | 13s |
| Afternoon (27 Apr) | 2ft (0.6m) | 13s |
| Evening (27 Apr) | 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 ForecastLight rain (total 6mm), mostly falling on Mon night. Warm (max 26°C on Tue afternoon, min 23°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 27 | Tuesday 28 | Wednesday 29 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
SW 14 | SW 14 | SW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SW 13 | SW 13 | SW 12 | SW 12 | NW 10 | NW 13 | NW 13 | NW 13 | NW 13 | NW 12 | SW 12 | SW 12 | SW 11 | SE 10 | SE 10 | NW 13 | |
151 | 147 | 144 | 116 | 116 | 114 | 114 | 114 | 83 | 82 | 75 | 73 | 56 | 63 | 109 | 106 | 132 | 184 | 37 | 35 | 33 | 26 | 25 | 241 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | cross-off | cross-off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | |
High Tide | 00:45AM0.52m | 2:03PM0.51m | 1:22AM0.47m | 2:35PM0.58m | 1:57AM0.42m | 3:05PM0.64m | ||||||||||||||||||
Low Tide | 7:26AM0.08m | 7:53PM0.23m | 7:45AM0.07m | 8:49PM0.21m | 8:04AM0.06m | 9:39PM0.20m | ||||||||||||||||||
 | |  | |  | |  |  | | |  | | | | | | | | | | | | | | |
 | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:55 | — | — | — | — | — | — | — | 6:55 | — | — | — | — | — | — | — | 6:55 | — | — |
— | — | — | — | 1 | 1 | 2 | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 23 | 23 | 24 | 25 | 25 | 25 | 24 | 23 | 23 | 23 | 24 | 25 | 26 | 26 | 24 | 23 | 23 | 23 | 23 | 25 | 25 | 25 | 23 | 23 |
23 | 23 | 24 | 25 | 25 | 24 | 23 | 22 | 22 | 23 | 24 | 26 | 26 | 25 | 23 | 22 | 22 | 22 | 21 | 23 | 22 | 22 | 21 | 21 | |
Swell 1 Height (m) Direction Period (s) | NNW 11 | NW 11 | NW 11 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 7 | E 7 | NW 13 | NW 13 | NW 13 | NW 12 | E 7 | E 7 | E 7 | E 7 | NNW 13 | NW 13 |
 kJ | 151 | 121 | 119 | 72 | 72 | 88 | 86 | 94 | 89 | 84 | 63 | 62 | 60 | 46 | 109 | 106 | 132 | 184 | 103 | 100 | 77 | 94 | 219 | 241 |
Swell 2 Height (m) Direction Period (s) | NE 8 | NE 8 | NE 8 | NW 11 | NW 11 | NW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NW 10 | NW 10 | NW 13 | NW 10 | NW 10 | SW 12 | SW 12 | NW 12 | NW 14 | NW 14 | NW 13 | SE 10 | SSE 10 |
| kJ | 62 | 60 | 48 | 119 | 117 | 89 | 71 | 69 | 71 | 71 | 69 | 50 | 49 | 63 | 24 | 24 | 36 | 36 | 154 | 203 | 200 | 183 | 25 | 19 |
Swell 3 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SSW 12 | NNW 10 | SW 12 | SW 12 | SSE 11 | SSE 11 | SW 12 | SW 12 | SW 11 | SE 10 | SSW 11 | SSE 6 |
| kJ | 151 | 147 | 144 | 116 | 116 | 114 | 114 | 114 | 83 | 82 | 75 | 73 | 56 | 38 | 36 | 36 | 12 | 12 | 37 | 35 | 33 | 26 | 12 | 4 |
Wind waves Height (m) Direction Period (s) | E 5 | E 6 | ENE 8 | — | — | — | — | — | — | — | ENE 7 | ENE 7 | ENE 7 | — | E 7 | ENE 7 | ENE 7 | E 7 | E 7 | — | — | — | ENE 7 | ENE 6 |
| kJ | 16 | 22 | 123 | — | — | — | — | — | — | — | 93 | 75 | 54 | — | 60 | 84 | 77 | 106 | 150 | — | — | — | 96 | 55 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 2 | 1 | 0 | 2 | 1 | 1 | 1 | 2 | 1 | 1 | 2 | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 152 | 2 | 0 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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FREE! Surf-Forecast.com widget for your website
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