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Power Plant surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 am Monday 04 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
25.0° 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 7AM is: 0.6m 14s primary swell from a South direction and 0.6m 11s secondary swell from a Northwest direction (forecast issued at 01:00am May 04). An open ocean swell of 1.0m 7s is not directed at the surf break, a second open ocean swell of 1.0m 6s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 May) | 1.5ft (0.5m) | 14s |
| Afternoon (04 May) | 3ft (0.9m) | 13s |
| Evening (04 May) | 3.5ft (1.1m) | 12s |
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 Mon morning, min 23°C on Mon morning). Wind will be generally light. | ||||||||||||||||||||||||
Monday 4 | Tuesday 5 | Wednesday 6 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
SSW 14 | S 14 | S 14 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 12 | SSW 12 | SSW 12 | NW 11 | NW 11 | NW 11 | SSE 6 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | SSW 16 | SSW 16 | NW 18 | |
163 | 148 | 98 | 109 | 282 | 363 | 379 | 421 | 361 | 361 | 50 | 49 | 246 | 237 | 233 | 13 | 169 | 166 | 157 | 145 | 142 | 86 | 85 | 152 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | off | off | off | off | off | off | glassy | glassy | on | cross-on | on | cross-on | cross | cross | cross | glassy | glassy | cross-on | cross-on | cross-off | off | |
High Tide | 4:23AM0.24m | 5:56PM0.67m | 4:49AM0.22m | 6:41PM0.64m | 5:17AM0.20m | 7:30PM0.62m | ||||||||||||||||||
Low Tide | 00:56AM0.19m | 9:58AM0.07m | 2:02AM0.20m | 10:24AM0.08m | 3:29AM0.19m | 10:52AM0.11m | ||||||||||||||||||
 | |  | |  | | | |  | | | | | | | | | | | | | | | | |
 | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 6:59 | — | — | — | — | — | — | — | 6:59 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 23 | 22 | 23 | 25 | 25 | 25 | 24 | 24 | 23 | 24 | 24 | 25 | 25 | 25 | 24 | 24 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 |
23 | 22 | 23 | 26 | 26 | 25 | 24 | 24 | 24 | 27 | 26 | 26 | 26 | 27 | 26 | 27 | 25 | 25 | 26 | 26 | 25 | 25 | 25 | 25 | |
Swell 1 Height (m) Direction Period (s) | NW 11 | E 8 | E 7 | E 8 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NNW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NNW 10 | NNW 10 | NNW 10 |
 kJ | 116 | 135 | 108 | 93 | 282 | 363 | 379 | 421 | 361 | 361 | 319 | 309 | 246 | 237 | 233 | 204 | 169 | 166 | 157 | 145 | 142 | 125 | 122 | 122 |
Swell 2 Height (m) Direction Period (s) | SSW 14 | NW 11 | NW 11 | NW 11 | E 8 | SSW 13 | S 13 | E 8 | E 7 | E 7 | E 6 | E 6 | E 6 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | SSW 16 | SSW 16 | NW 18 |
| kJ | 163 | 116 | 75 | 72 | 93 | 99 | 89 | 95 | 88 | 68 | 54 | 40 | 41 | 50 | 37 | 25 | 25 | 25 | 25 | 17 | 16 | 86 | 85 | 152 |
Swell 3 Height (m) Direction Period (s) | SW 19 | S 14 | S 14 | NW 13 | S 13 | SE 11 | SE 11 | S 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSE 9 | SSW 18 | SSE 6 | SSE 6 | SE 6 | SSW 18 | SSW 18 | SSW 18 | SSE 9 | E 8 | ENE 8 | SSW 16 |
| kJ | 96 | 148 | 98 | 109 | 89 | 30 | 29 | 87 | 56 | 55 | 50 | 49 | 35 | 120 | 14 | 13 | 9 | 102 | 102 | 102 | 32 | 19 | 21 | 85 |
Wind waves Height (m) Direction Period (s) | E 8 | E 6 | E 6 | ENE 8 | — | ENE 8 | ENE 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 142 | 91 | 73 | 81 | — | 105 | 107 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 26 | 26 | 26 | 11 | 13 | 3 | 3 | 0 | 0 | 28 | 7 | 1 | 0 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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