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Power Plant surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 am 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 5AM is: 0.4m 12s primary swell from a Southwest direction (forecast issued at 01:00am April 29). An open ocean swell of 0.7m 12s is not directed at the surf break, a second open ocean swell of 1.1m 7s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Apr) | 1.5ft (0.4m) | 12s |
| Afternoon (29 Apr) | 1ft (0.3m) | 10s |
| Evening (29 Apr) | 1.5ft (0.4m) | 10s |
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 Wed morning, min 23°C on Wed morning). Mainly fresh winds. | ||||||||||||||||||||||||
Wednesday 29 | Thursday 30 | Friday 1 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
NW 13 | SW 12 | SW 12 | SW 12 | SSE 10 | SE 10 | SSE 10 | NW 13 | NW 12 | SSW 11 | SSW 12 | S 16 | S 16 | S 16 | S 16 | SSW 16 | S 15 | S 15 | S 15 | S 15 | S 15 | NW 18 | NW 17 | NW 16 | |
132 | 36 | 37 | 35 | 22 | 25 | 19 | 241 | 227 | 12 | 29 | 47 | 81 | 127 | 82 | 86 | 72 | 112 | 110 | 110 | 163 | 199 | 222 | 443 | |
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 | 1:57AM0.42m | 3:05PM0.64m | 2:29AM0.38m | 3:35PM0.68m | 2:59AM0.33m | 4:07PM0.70m | ||||||||||||||||||
Low Tide | 8:04AM0.06m | 9:39PM0.20m | 8:24AM0.06m | 10:27PM0.19m | 8:45AM0.05m | |||||||||||||||||||
 | |  | | | | | | |  | | | | | | | | | | | | | | | |
 | — | 6:03 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:55 | — | — | — | — | — | — | — | 6:57 | — | — | — | — | — | — | — | 6:57 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 23 | 23 | 23 | 25 | 25 | 25 | 23 | 23 | 23 | 23 | 23 | 25 | 25 | 25 | 23 | 23 | 23 | 23 | 23 | 25 | 25 | 25 | 23 | 23 |
22 | 22 | 21 | 23 | 22 | 22 | 21 | 21 | 21 | 21 | 20 | 22 | 22 | 22 | 20 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 21 | 21 | |
Swell 1 Height (m) Direction Period (s) | NW 13 | NW 12 | NW 12 | E 7 | E 7 | NW 13 | NW 13 | NW 13 | NW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 13 | NNW 13 | NNW 13 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 11 | NW 16 |
 kJ | 132 | 157 | 154 | 114 | 104 | 183 | 175 | 241 | 227 | 260 | 251 | 247 | 285 | 275 | 351 | 351 | 378 | 344 | 274 | 269 | 265 | 211 | 200 | 443 |
Swell 2 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 12 | NW 14 | NW 14 | SE 10 | SSE 10 | SE 10 | SSE 10 | SSE 10 | SSW 12 | SSW 12 | S 16 | S 16 | NNW 7 | NNW 7 | S 15 | S 15 | S 15 | S 15 | S 15 | NW 18 | NW 17 | NNW 11 |
| kJ | 36 | 36 | 37 | 203 | 200 | 25 | 19 | 25 | 10 | 10 | 29 | 28 | 81 | 127 | 18 | 17 | 72 | 112 | 110 | 110 | 163 | 199 | 222 | 160 |
Swell 3 Height (m) Direction Period (s) | SSE 11 | SSE 11 | SSE 11 | SW 12 | SSE 10 | SSW 13 | SSE 6 | SSE 6 | SSW 13 | SSW 11 | SSE 10 | S 16 | SE 9 | SE 9 | S 16 | SSW 16 | SSW 11 | SSW 11 | N 7 | SSW 18 | NW 18 | S 16 | S 16 | SSW 16 |
| kJ | 12 | 12 | 12 | 35 | 22 | 17 | 4 | 3 | 16 | 12 | 9 | 47 | 19 | 21 | 82 | 86 | 25 | 12 | 14 | 62 | 113 | 129 | 131 | 86 |
Wind waves Height (m) Direction Period (s) | 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 | E 7 | E 7 | E 7 | E 7 | ENE 7 | E 7 | E 7 | E 8 | E 8 |
| kJ | 111 | 127 | 121 | — | — | 98 | 84 | 84 | 115 | 145 | 173 | 152 | 176 | 181 | 200 | 233 | 315 | 261 | 194 | 208 | 262 | 366 | 329 | 265 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 2 | 2 | 2 | 158 | 158 | 8 | 8 | 2 | 3 | 9 | 8 | 158 | 12 | 8 | 8 | 8 | 8 | 8 | 12 | 15 | 16 | 8 | 2 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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