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Surf Forecasts:
Power Plant surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 am Tuesday 28 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
24.9° 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 8AM is: 0.5m 12s primary swell from a Southwest direction and 0.5m 10s secondary swell from a Northwest direction (forecast issued at 01:00am April 28). An open ocean swell of 0.9m 7s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Apr) | 1.5ft (0.5m) | 12s |
| Afternoon (28 Apr) | 1.5ft (0.5m) | 10s |
| Evening (28 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 ForecastMostly dry. Warm (max 26°C on Tue afternoon, min 23°C on Tue morning). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 28 | Wednesday 29 | Thursday 30 | ||||||||||||||||||||||
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 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 | NW 12 | SSE 10 | SSW 12 | S 16 | S 16 | S 16 | S 16 | S 16 | |
83 | 82 | 75 | 73 | 56 | 63 | 85 | 106 | 132 | 184 | 37 | 35 | 33 | 26 | 25 | 241 | 223 | 10 | 29 | 47 | 81 | 127 | 82 | 83 | |
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 | 1:22AM0.47m | 2:35PM0.58m | 1:57AM0.42m | 3:05PM0.64m | 2:29AM0.38m | 3:35PM0.68m | ||||||||||||||||||
Low Tide | 7:45AM0.07m | 8:49PM0.21m | 8:04AM0.06m | 9:39PM0.20m | 8:24AM0.06m | 10:27PM0.19m | ||||||||||||||||||
 | |  | | |  | |  | | | | | | | | | | | | | | | | | |
 | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:55 | — | — | — | — | — | — | — | 6:55 | — | — | — | — | — | — | — | 6:57 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 23 | 23 | 23 | 25 | 26 | 26 | 24 | 23 | 23 | 23 | 23 | 24 | 25 | 25 | 23 | 23 | 23 | 23 | 23 | 24 | 25 | 25 | 23 | 23 |
22 | 23 | 23 | 25 | 25 | 25 | 23 | 22 | 22 | 22 | 20 | 21 | 22 | 23 | 21 | 21 | 22 | 21 | 20 | 21 | 22 | 22 | 21 | 21 | |
Swell 1 Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 7 | ENE 7 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | E 7 | E 7 | NW 13 | NW 13 | NW 13 | NW 12 | E 7 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 13 | NNW 13 |
 kJ | 111 | 84 | 77 | 62 | 44 | 47 | 85 | 106 | 132 | 184 | 154 | 117 | 94 | 183 | 175 | 241 | 223 | 149 | 251 | 289 | 285 | 275 | 408 | 414 |
Swell 2 Height (m) Direction Period (s) | NNW 10 | NNW 10 | NW 10 | NW 10 | NW 10 | NW 13 | NW 10 | SW 12 | SW 12 | SW 12 | SW 12 | NW 14 | NW 14 | SE 10 | SE 10 | SE 10 | SSE 10 | NNW 12 | SSW 12 | SSW 12 | S 16 | S 16 | S 16 | S 16 |
| kJ | 71 | 71 | 51 | 50 | 49 | 63 | 24 | 36 | 36 | 36 | 37 | 203 | 200 | 26 | 25 | 25 | 10 | 260 | 29 | 28 | 81 | 127 | 82 | 83 |
Swell 3 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 12 | SW 12 | SSW 12 | NNW 10 | SW 12 | NW 10 | SSE 11 | SSE 11 | SSE 11 | SW 12 | SW 11 | SSW 13 | SSW 13 | S 18 | S 18 | SSE 10 | SSE 10 | S 16 | SSW 12 | SE 9 | SSW 12 | SSW 12 |
| kJ | 83 | 82 | 75 | 73 | 56 | 38 | 36 | 24 | 12 | 12 | 11 | 35 | 33 | 17 | 17 | 25 | 25 | 10 | 9 | 47 | 28 | 20 | 28 | 27 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | ENE 7 | E 7 | ENE 7 | E 7 | E 7 | — | — | ENE 6 | ENE 6 | ENE 6 | E 6 | — | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 |
| kJ | — | — | — | — | — | — | 86 | 100 | 132 | 127 | 127 | — | — | 83 | 83 | 83 | 123 | — | 127 | 145 | 176 | 176 | 181 | 171 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 0 | 0 | 0 | 2 | 2 | 2 | 3 | 2 | 0 | 0 | 2 | 8 | 8 | 3 | 19 | 3 | 3 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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