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Power Plant surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 am Tuesday 05 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
25.1° 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 10AM is: 0.4m 12s primary swell from a South-southwest direction (forecast issued at 07:00am May 05). An open ocean swell of 1.1m 12s is not directed at the surf break, a second open ocean swell of 0.9m 7s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 May) | 1.5ft (0.4m) | 12s |
| Afternoon (05 May) | 3.5ft (1.0m) | 11s |
| Evening (05 May) | 3.5ft (1.0m) | 11s |
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 Tue night. Warm (max 25°C on Tue morning, min 22°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 5 | Wednesday 6 | Thursday 7 | Fri 8 | |||||||||||||||||||||
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 | 2 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
NW 12 | SSW 12 | SSW 12 | NW 11 | NW 11 | NW 11 | SSE 6 | SSE 6 | NW 11 | NW 10 | NW 10 | NW 10 | SSW 16 | SSW 16 | NW 18 | NW 17 | NW 16 | NW 16 | SSW 18 | NW 15 | NW 14 | S 18 | S 18 | SSW 18 | |
361 | 50 | 49 | 246 | 237 | 233 | 16 | 15 | 166 | 157 | 145 | 142 | 86 | 85 | 152 | 235 | 322 | 496 | 107 | 543 | 521 | 162 | 162 | 106 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | cross-on | on | on | glassy | cross | cross | cross | cross-off | glassy | cross-on | cross | cross-off | off | cross-off | off | cross-off | glassy | cross-off | glassy | off | off | off | |
High Tide | 4:49AM0.22m | 6:41PM0.64m | 5:17AM0.20m | 7:30PM0.62m | 6:41AM0.18m | 8:22PM0.60m | ||||||||||||||||||
Low Tide | 2:02AM0.20m | 10:24AM0.08m | 3:29AM0.19m | 10:52AM0.11m | 4:52AM0.18m | 11:22AM0.14m | ||||||||||||||||||
 |  | |  | | | | |  | | | | | | |  | | | | | | | | | |
 | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | 5:56 |
 | — | — | — | — | 6:59 | — | — | — | — | — | — | — | 6:59 | — | — | — | — | — | — | — | 7:00 | — | — | 7:00 |
— | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 23 | 24 | 25 | 25 | 25 | 24 | 24 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 23 | 23 | 22 | 23 | 25 | 25 | 25 | 24 | 24 | 23 |
26 | 27 | 28 | 27 | 27 | 27 | 27 | 25 | 25 | 25 | 26 | 26 | 25 | 25 | 24 | 25 | 23 | 25 | 28 | 26 | 27 | 25 | 25 | 24 | |
Swell 1 Height (m) Direction Period (s) | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NNW 11 | NNW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NNW 10 | NNW 10 | NNW 10 | NW 10 | NNW 9 | NW 16 | NNW 15 | NNW 12 | NNW 12 | NNW 14 | NNW 13 | NNW 13 |
 kJ | 361 | 319 | 309 | 246 | 237 | 233 | 204 | 204 | 166 | 157 | 145 | 142 | 125 | 122 | 122 | 96 | 98 | 496 | 1258 | 541 | 623 | 1272 | 1151 | 1030 |
Swell 2 Height (m) Direction Period (s) | E 7 | E 7 | E 6 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | SSE 9 | SSW 16 | SSW 16 | NW 18 | NW 17 | NW 16 | NNW 9 | SSW 18 | NW 15 | NW 14 | S 18 | S 18 | E 8 |
| kJ | 69 | 65 | 68 | 56 | 42 | 42 | 31 | 32 | 23 | 26 | 26 | 33 | 86 | 85 | 152 | 235 | 322 | 96 | 107 | 543 | 521 | 162 | 162 | 31 |
Swell 3 Height (m) Direction Period (s) | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SE 7 | SSE 7 | SSE 6 | SSE 6 | SSE 6 | SSW 18 | SSW 18 | E 8 | E 7 | SW 16 | SSW 16 | SSW 16 | S 16 | NNW 12 | SSW 14 | SSW 14 | SSW 18 | E 8 | E 8 | SSW 18 |
| kJ | 55 | 50 | 49 | 49 | 11 | 17 | 16 | 15 | 13 | 102 | 102 | 19 | 17 | 65 | 85 | 146 | 131 | 111 | 69 | 70 | 104 | 21 | 20 | 106 |
Wind waves Height (m) Direction Period (s) | — | — | — | SSE 9 | — | — | — | — | — | — | — | — | NNW 3 | NNW 3 | NE 3 | ENE 8 | NE 4 | NE 4 | ENE 4 | ENE 4 | ENE 8 | N 4 | ENE 4 | — |
| kJ | — | — | — | 29 | — | — | — | — | — | — | — | — | 2 | 2 | 4 | 43 | 6 | 6 | 5 | 5 | 43 | 15 | 3 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 2 | 26 | 25 | 26 | 11 | 15 | 3 | 0 | 3 | 0 | 15 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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