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Power Plant surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 pm Thursday 30 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 6PM is: 0.5m 16s primary swell from a South direction (forecast issued at 01:00pm April 30). An open ocean swell of 1.0m 12s is not directed at the surf break, a second open ocean swell of 1.3m 7s 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 afternoon, min 22°C on Fri night). Mainly fresh winds. | ||||||||||||||||||||||||
Thu 30 | Friday 1 | Saturday 2 | Sun 3 | |||||||||||||||||||||
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 | 5 AM | 8 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
S 16 | S 16 | S 16 | S 16 | S 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 | NW 14 | NW 13 | NW 13 | NW 13 | NW 13 | NW 12 | |
47 | 81 | 127 | 82 | 83 | 72 | 112 | 110 | 112 | 163 | 201 | 165 | 448 | 567 | 441 | 649 | 623 | 514 | 478 | 347 | 336 | 331 | 265 | 244 | |
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 | 3:35PM0.68m | 2:59AM0.33m | 4:07PM0.70m | 3:29AM0.30m | 4:40PM0.70m | 3:57AM0.26m | ||||||||||||||||||
Low Tide | 8:24AM0.06m | 10:27PM0.19m | 8:45AM0.05m | 11:14PM0.18m | 9:07AM0.05m | 00:02AM0.19m | ||||||||||||||||||
 | | |  | | | | | | | | | | | |  | | | | | | | | | |
 | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:00 | — |
 | — | — | 6:57 | — | — | — | — | — | — | — | 6:57 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | 6:58 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 25 | 25 | 25 | 23 | 23 | 23 | 23 | 23 | 24 | 25 | 25 | 23 | 23 | 22 | 23 | 23 | 24 | 25 | 25 | 24 | 23 | 23 | 23 | 23 |
23 | 22 | 22 | 21 | 21 | 21 | 20 | 20 | 20 | 22 | 22 | 21 | 21 | 20 | 21 | 21 | 22 | 23 | 23 | 23 | 22 | 22 | 23 | 22 | |
Swell 1 Height (m) Direction Period (s) | NNW 12 | NNW 12 | NNW 12 | NNW 13 | NNW 13 | NNW 13 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | ENE 7 | NW 16 | NW 17 | NW 15 | NW 15 | E 8 | E 8 | E 8 | NW 13 | NW 13 | E 8 | E 8 | E 8 |
 kJ | 294 | 285 | 275 | 351 | 351 | 346 | 314 | 328 | 269 | 265 | 207 | 214 | 448 | 567 | 441 | 649 | 191 | 168 | 168 | 347 | 336 | 149 | 153 | 127 |
Swell 2 Height (m) Direction Period (s) | SSW 12 | S 16 | S 16 | N 7 | N 7 | N 7 | S 15 | S 15 | S 15 | S 15 | NW 18 | NNW 11 | NNW 11 | NNW 12 | NNW 12 | S 14 | NW 15 | NW 14 | NW 14 | S 14 | S 16 | NW 13 | NW 13 | NW 12 |
| kJ | 28 | 81 | 127 | 28 | 39 | 23 | 112 | 110 | 112 | 163 | 201 | 200 | 197 | 156 | 123 | 198 | 623 | 514 | 478 | 107 | 242 | 331 | 265 | 244 |
Swell 3 Height (m) Direction Period (s) | S 16 | SE 10 | SSW 12 | S 16 | S 16 | S 15 | N 7 | SSW 11 | SSW 18 | NW 18 | S 16 | NW 16 | SSW 16 | S 14 | S 13 | SSE 9 | S 14 | S 14 | SSW 14 | SSW 18 | SSE 9 | S 13 | SSW 16 | S 13 |
| kJ | 47 | 23 | 28 | 82 | 83 | 72 | 15 | 24 | 62 | 113 | 129 | 165 | 86 | 93 | 92 | 7 | 148 | 106 | 69 | 31 | 8 | 89 | 201 | 126 |
Wind waves Height (m) Direction Period (s) | E 7 | ENE 7 | ENE 7 | ENE 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | — | E 7 | E 7 | E 7 | E 8 | — | — | — | ENE 8 | ENE 8 | — | — | — |
| kJ | 152 | 175 | 163 | 135 | 150 | 205 | 250 | 295 | 272 | 311 | 277 | — | 215 | 246 | 215 | 191 | — | — | — | 173 | 178 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 3 | 12 | 15 | 3 | 12 | 12 | 12 | 19 | 12 | 12 | 8 | 8 | 1 | 0 | 0 | 0 | 0 | 1 | 3 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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