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Surf Forecasts:
Power Plant surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 am Wednesday 13 May 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
25.5° C
(Which is slightly warmer than usual)How big are the waves at Power Plant today?
The current surf forecast for Power Plant at 9AM is: 0.5m 14s primary swell from a South direction (forecast issued at 01:00am May 13). An open ocean swell of 0.8m 9s is not directed at the surf break, a second open ocean swell of 1.4m 7s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 May) | 1.5ft (0.5m) | 14s |
| Afternoon (13 May) | 1.5ft (0.4m) | 15s |
| Evening (13 May) | 1.5ft (0.4m) | 14s |
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 7mm), mostly falling on Fri afternoon. Warm (max 26°C on Wed afternoon, min 22°C on Fri night). Winds decreasing (fresh winds from the ENE on Wed afternoon, calm by Fri morning). | ||||||||||||||||||||||||
Wednesday 13 | Thursday 14 | Friday 15 | ||||||||||||||||||||||
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 16 | SSE 15 | S 15 | S 14 | SSW 15 | SSW 14 | SSW 14 | NW 17 | NW 16 | NW 16 | NW 15 | NW 15 | SE 10 | NW 14 | NW 14 | NW 14 | NW 13 | NW 13 | SSW 16 | SSW 16 | NW 12 | NW 12 | NW 12 | NW 12 | |
73 | 72 | 104 | 103 | 84 | 82 | 82 | 145 | 216 | 0 | 335 | 435 | 23 | 614 | 573 | 540 | 517 | 501 | 171 | 171 | 287 | 209 | 205 | 0 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | glassy | cross-off | glassy | cross-off | off | |
High Tide | 00:28AM0.44m | 2:05PM0.62m | 1:12AM0.39m | 2:43PM0.71m | 1:56AM0.34m | 3:24PM0.78m | ||||||||||||||||||
Low Tide | 6:58AM0.04m | 8:30PM0.23m | 7:24AM0.01m | 9:33PM0.20m | 7:55AM-0.01m | 10:33PM0.17m | ||||||||||||||||||
 |  |  | | | | | | | | | |  | | | | | | |  | | | |  | |
 | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:02 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 4 | — | — | |
Temp °C | 23 | 23 | 24 | 25 | 26 | 25 | 24 | 23 | 23 | 24 | 24 | 25 | 26 | 26 | 24 | 24 | 23 | 23 | 24 | 25 | 25 | 25 | 24 | 23 |
21 | 20 | 21 | 22 | 24 | 22 | 22 | 21 | 21 | 23 | 22 | 23 | 24 | 24 | 23 | 24 | 23 | 24 | 25 | 28 | 27 | 27 | 25 | 23 | |
Swell 1 Height (m) Direction Period (s) | NNW 10 | NNW 10 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | SSW 14 | N 7 | E 7 | E 7 | NW 15 | NW 15 | NW 15 | NW 14 | NW 14 | NW 14 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | E 8 | E 8 |
 kJ | 135 | 132 | 98 | 86 | 84 | 53 | 82 | 47 | 243 | 178 | 335 | 435 | 503 | 614 | 573 | 540 | 517 | 501 | 382 | 353 | 287 | 209 | 103 | 103 |
Swell 2 Height (m) Direction Period (s) | SSE 15 | SSE 15 | S 15 | S 14 | SSW 15 | SSW 14 | NW 9 | NW 17 | N 7 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | NW 12 | NW 12 |
| kJ | 73 | 72 | 104 | 103 | 84 | 82 | 38 | 145 | 44 | 66 | 66 | 47 | 49 | 49 | 49 | 113 | 116 | 116 | 119 | 125 | 103 | 103 | 205 | 140 |
Swell 3 Height (m) Direction Period (s) | SW 16 | SSW 14 | SE 9 | SE 8 | SE 8 | NNE 6 | SSE 9 | SSW 14 | NW 16 | NW 16 | SSW 14 | SSW 14 | SE 10 | SE 10 | SE 10 | N 8 | N 8 | SW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | N 8 | N 7 |
| kJ | 65 | 41 | 19 | 24 | 25 | 10 | 34 | 81 | 216 | 271 | 81 | 80 | 23 | 24 | 24 | 49 | 34 | 129 | 171 | 171 | 169 | 169 | 46 | 32 |
Wind waves Height (m) Direction Period (s) | E 7 | E 7 | E 7 | E 7 | E 7 | E 6 | E 7 | E 7 | — | — | E 7 | E 7 | E 7 | E 8 | E 8 | E 7 | ENE 8 | — | — | — | — | — | — | ENE 8 |
| kJ | 217 | 217 | 188 | 178 | 173 | 163 | 236 | 236 | — | — | 178 | 155 | 156 | 160 | 137 | 131 | 99 | — | — | — | — | — | — | 102 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 8 | 8 | 8 | 8 | 12 | 15 | 12 | 8 | 0 | 2 | 1 | 0 | 2 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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