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Surf Forecasts:
Power Plant surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 pm Monday 11 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 9PM is: 0.4m 17s primary swell from a South-southwest direction (forecast issued at 01:00pm May 11). An open ocean swell of 0.9m 7s is not directed at the surf break, a second open ocean swell of 0.7m 11s is not directed at the surf break, a second open ocean swell of 1.2m 6s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 May) | 3ft (0.9m) | 11s |
| Afternoon (11 May) | 3ft (0.9m) | 11s |
| Evening (11 May) | 1.5ft (0.4m) | 17s |
Table - waves today at Power Plant. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Wed afternoon. Warm (max 26°C on Mon afternoon, min 23°C on Mon night). Mainly fresh winds. | ||||||||||||||||||||||||
Mon 11 | Tuesday 12 | Wednesday 13 | Thu 14 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
NW 11 | NW 11 | SSW 18 | SSW 17 | SSW 17 | SSW 17 | NW 11 | NW 10 | SSW 16 | S 16 | S 16 | S 16 | SSE 15 | SW 16 | SSE 15 | S 15 | S 14 | SSW 15 | SSW 14 | SSW 14 | NW 17 | NW 16 | SE 9 | NW 15 | |
172 | 169 | 102 | 101 | 101 | 97 | 86 | 53 | 144 | 186 | 124 | 79 | 75 | 73 | 72 | 104 | 103 | 84 | 82 | 82 | 145 | 216 | 43 | 335 | |
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 | 12:55PM0.42m | 11:42PM0.49m | 1:29PM0.52m | 00:28AM0.44m | 2:05PM0.62m | 1:12AM0.39m | ||||||||||||||||||
Low Tide | 6:00PM0.28m | 6:35AM0.07m | 7:21PM0.26m | 6:58AM0.04m | 8:30PM0.23m | 7:24AM0.01m | ||||||||||||||||||
 | | |  | | | | | | | |  | | | | | | |  | | | | |  | |
 | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — |
 | — | — | 7:00 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | 7:02 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | |
Temp °C | 26 | 26 | 25 | 24 | 23 | 23 | 23 | 24 | 25 | 26 | 25 | 24 | 23 | 23 | 23 | 24 | 25 | 26 | 25 | 24 | 23 | 23 | 23 | 24 |
24 | 23 | 22 | 22 | 21 | 21 | 20 | 21 | 22 | 22 | 21 | 22 | 21 | 21 | 20 | 22 | 23 | 23 | 22 | 22 | 21 | 21 | 22 | 22 | |
Swell 1 Height (m) Direction Period (s) | NW 11 | NW 11 | N 7 | N 7 | N 7 | N 7 | N 7 | N 7 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | N 9 | N 8 | N 8 | NW 16 | NW 15 |
 kJ | 172 | 169 | 56 | 56 | 76 | 76 | 76 | 56 | 123 | 152 | 176 | 111 | 109 | 135 | 132 | 90 | 65 | 84 | 64 | 55 | 51 | 44 | 271 | 335 |
Swell 2 Height (m) Direction Period (s) | N 7 | N 7 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NNW 12 | N 6 | S 16 | S 16 | S 16 | SE 9 | SSE 15 | SSE 15 | S 15 | S 14 | SE 9 | SE 9 | SSW 14 | NW 17 | NW 16 | N 8 | N 8 |
| kJ | 43 | 43 | 117 | 117 | 117 | 92 | 71 | 78 | 29 | 186 | 124 | 79 | 37 | 73 | 72 | 104 | 103 | 38 | 41 | 82 | 145 | 216 | 65 | 49 |
Swell 3 Height (m) Direction Period (s) | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | NW 10 | SSW 16 | N 6 | SE 9 | SE 9 | SSE 15 | SW 16 | SSW 14 | SE 9 | SE 8 | SSW 15 | SSW 14 | NW 9 | SSW 14 | SSW 14 | SE 9 | SSW 14 |
| kJ | 104 | 102 | 102 | 101 | 101 | 97 | 86 | 53 | 144 | 17 | 28 | 28 | 75 | 65 | 41 | 13 | 25 | 84 | 82 | 39 | 81 | 81 | 43 | 113 |
Wind waves Height (m) Direction Period (s) | E 5 | E 5 | E 5 | E 6 | E 7 | E 7 | E 7 | E 6 | E 7 | E 6 | E 6 | ENE 6 | E 6 | E 7 | E 7 | E 7 | E 7 | E 7 | E 6 | E 6 | E 7 | E 7 | E 8 | E 7 |
| kJ | 35 | 54 | 78 | 89 | 145 | 176 | 161 | 141 | 145 | 132 | 141 | 170 | 161 | 271 | 261 | 217 | 204 | 193 | 177 | 182 | 210 | 243 | 249 | 205 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 158 | 158 | 8 | 8 | 0 | 8 | 8 | 8 | 15 | 19 | 8 | 8 | 8 | 8 | 8 | 8 | 15 | 12 | 8 | 8 | 8 | 2 | 0 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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