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Surf Forecasts:
Power Plant surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 pm Wednesday 29 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 3AM is: 0.9m 12s primary swell from a Northwest direction and 0.3m 10s secondary swell from a South-southeast direction (forecast issued at 07:00pm April 29). An open ocean swell of 1.1m 6s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Apr) | 1ft (0.3m) | 12s |
| Afternoon (30 Apr) | 1.5ft (0.4m) | 16s |
| Evening (30 Apr) | 1.5ft (0.4m) | 16s |
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 Thu morning, min 22°C on Wed night). Mainly fresh winds. | ||||||||||||||||||||||||
Wed 29 | Thursday 30 | Friday 1 | Sat 2 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SE 10 | SSE 10 | NW 13 | NW 12 | NW 12 | SSW 12 | SSW 12 | S 16 | S 16 | S 16 | SSW 16 | S 15 | S 15 | S 15 | S 15 | S 15 | NW 18 | NW 16 | NW 16 | NW 17 | NW 15 | NW 15 | NW 15 | NW 14 | |
26 | 19 | 241 | 227 | 216 | 29 | 28 | 81 | 127 | 82 | 86 | 72 | 112 | 110 | 112 | 163 | 201 | 181 | 448 | 560 | 441 | 649 | 623 | 514 | |
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 | 3:05PM0.64m | 2:29AM0.38m | 3:35PM0.68m | 2:59AM0.33m | 4:07PM0.70m | 3:29AM0.30m | ||||||||||||||||||
Low Tide | 9:39PM0.20m | 8:24AM0.06m | 10:27PM0.19m | 8:45AM0.05m | 11:14PM0.18m | 9:07AM0.05m | ||||||||||||||||||
 |  | | | | | | | | | | | | | | | | | | | | | |  | |
 | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — |
 | 6:55 | — | — | — | — | — | — | — | 6:57 | — | — | — | — | — | — | — | 6:57 | — | — | — | — | — | — | 6:58 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 25 | 23 | 23 | 23 | 22 | 23 | 25 | 25 | 25 | 23 | 23 | 23 | 23 | 23 | 25 | 25 | 25 | 23 | 23 | 23 | 23 | 23 | 24 | 25 |
22 | 21 | 21 | 21 | 20 | 20 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 20 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 22 | 23 | |
Swell 1 Height (m) Direction Period (s) | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | NNW 12 | E 7 | NNW 12 | NNW 12 | NNW 13 | NNW 13 | NNW 13 | NNW 12 | NNW 12 | NNW 12 | E 7 | NNW 12 | NNW 11 | NW 16 | NW 17 | NW 15 | NW 15 | NW 15 | ENE 8 |
 kJ | 183 | 175 | 241 | 227 | 216 | 251 | 187 | 285 | 275 | 351 | 351 | 346 | 314 | 328 | 269 | 245 | 207 | 197 | 448 | 560 | 441 | 649 | 623 | 147 |
Swell 2 Height (m) Direction Period (s) | SE 10 | SSE 10 | SE 10 | SSE 10 | N 5 | SSW 12 | NNW 12 | S 16 | S 16 | N 7 | N 7 | N 7 | S 15 | S 15 | S 15 | NNW 12 | NW 18 | NW 16 | NNW 11 | NNW 12 | NNW 12 | S 14 | E 8 | NW 14 |
| kJ | 26 | 19 | 25 | 19 | 8 | 29 | 294 | 81 | 127 | 40 | 39 | 23 | 112 | 110 | 112 | 265 | 201 | 165 | 160 | 156 | 123 | 198 | 168 | 514 |
Swell 3 Height (m) Direction Period (s) | SSW 13 | SSE 6 | S 18 | S 18 | SSE 10 | SSE 10 | SSW 12 | SSW 12 | SE 9 | S 16 | SSW 16 | S 15 | N 7 | SSW 11 | SSW 18 | S 15 | S 16 | NW 19 | SSW 16 | S 14 | S 15 | SSW 18 | S 14 | S 14 |
| kJ | 17 | 4 | 25 | 25 | 10 | 10 | 28 | 28 | 21 | 82 | 86 | 72 | 23 | 24 | 62 | 163 | 129 | 181 | 86 | 93 | 118 | 31 | 148 | 106 |
Wind waves Height (m) Direction Period (s) | ENE 5 | ENE 6 | ENE 6 | ENE 6 | E 7 | E 7 | — | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | — | ENE 7 | ENE 7 | E 8 | E 8 | ENE 8 | ENE 8 | — | — |
| kJ | 83 | 74 | 71 | 89 | 149 | 179 | — | 181 | 181 | 153 | 150 | 205 | 211 | 243 | 262 | — | 214 | 220 | 253 | 265 | 232 | 202 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 158 | 2 | 2 | 0 | 2 | 8 | 8 | 158 | 19 | 3 | 8 | 3 | 8 | 9 | 9 | 12 | 8 | 8 | 8 | 8 | 0 | 1 | 0 | 0 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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