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Power Plant surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 am 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 10AM is: 0.9m 11s primary swell from a Northwest direction (forecast issued at 01:00am May 11). An open ocean swell of 0.7m 7s is not directed at the surf break, a second open ocean swell of 0.8m 6s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 2.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 May) | 3ft (0.9m) | 11s |
| Afternoon (11 May) | 2.5ft (0.8m) | 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 ForecastMostly dry. Warm (max 26°C on Mon afternoon, min 23°C on Mon night). Mainly fresh winds. | ||||||||||||||||||||||||
Monday 11 | Tuesday 12 | Wednesday 13 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
NNW 12 | SSW 13 | NW 12 | NW 11 | NW 11 | NW 11 | SSW 17 | SSW 17 | SSW 17 | NW 11 | NW 10 | SSW 16 | S 16 | S 16 | S 16 | SSE 15 | SSE 15 | SSE 15 | S 15 | S 14 | SW 15 | SSW 14 | SSW 14 | NW 17 | |
0 | 32 | 195 | 172 | 169 | 137 | 101 | 101 | 97 | 90 | 53 | 144 | 131 | 124 | 124 | 75 | 73 | 72 | 104 | 103 | 56 | 82 | 82 | 145 | |
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 | |||||||||||||||||||
Low Tide | 6:15AM0.10m | 6:00PM0.28m | 6:35AM0.07m | 7:21PM0.26m | 6:58AM0.04m | 8:30PM0.23m | ||||||||||||||||||
 | |  | | | | | | | | | | | |  | | | |  | | | | | | |
 | — | 5:56 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:01 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 23 | 23 | 24 | 25 | 26 | 25 | 24 | 23 | 23 | 23 | 24 | 25 | 25 | 25 | 23 | 23 | 23 | 23 | 24 | 25 | 26 | 25 | 24 | 23 |
23 | 23 | 23 | 23 | 24 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 21 | 21 | 21 | 22 | 22 | 23 | 22 | 22 | 21 | |
Swell 1 Height (m) Direction Period (s) | NNW 12 | NNW 12 | NW 12 | NW 11 | NW 11 | NW 11 | 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 9 |
 kJ | 247 | 243 | 195 | 172 | 169 | 137 | 59 | 58 | 58 | 44 | 44 | 198 | 177 | 143 | 111 | 137 | 107 | 105 | 76 | 55 | 64 | 54 | 39 | 53 |
Swell 2 Height (m) Direction Period (s) | N 7 | N 6 | N 7 | N 7 | N 7 | N 7 | NW 11 | NW 11 | NW 11 | NW 11 | NNW 12 | SSW 16 | S 16 | S 16 | S 16 | SE 9 | SSE 15 | SSE 15 | S 15 | S 14 | SE 9 | SE 9 | SSW 14 | NW 17 |
| kJ | 56 | 41 | 42 | 42 | 43 | 44 | 117 | 92 | 92 | 90 | 78 | 144 | 131 | 124 | 124 | 26 | 73 | 72 | 104 | 103 | 29 | 39 | 82 | 145 |
Swell 3 Height (m) Direction Period (s) | E 5 | SSW 13 | E 6 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | NW 10 | NW 10 | NW 10 | NNE 6 | SE 9 | SSE 15 | SSW 15 | SSW 14 | SE 9 | NNE 5 | SW 15 | SSW 14 | NW 9 | SSW 14 |
| kJ | 27 | 32 | 35 | 104 | 102 | 102 | 101 | 101 | 97 | 86 | 53 | 37 | 25 | 10 | 27 | 75 | 42 | 41 | 19 | 9 | 56 | 82 | 20 | 81 |
Wind waves Height (m) Direction Period (s) | ENE 5 | E 6 | E 6 | E 6 | E 5 | E 5 | E 6 | E 6 | E 6 | E 7 | E 7 | E 7 | E 7 | E 7 | ENE 6 | E 6 | E 7 | E 7 | E 7 | E 7 | E 7 | E 6 | E 7 | E 7 |
| kJ | 37 | 32 | 40 | 47 | 54 | 67 | 75 | 96 | 143 | 171 | 187 | 233 | 233 | 144 | 123 | 137 | 240 | 340 | 216 | 179 | 178 | 263 | 312 | 235 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 2 | 2 | 0 | 0 | 158 | 158 | 3 | 8 | 1 | 8 | 8 | 12 | 15 | 12 | 12 | 8 | 8 | 8 | 9 | 8 | 169 | 15 | 12 | 8 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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