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Power Plant surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 pm 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 5PM is: 1.1m 13s primary swell from a Northwest direction (forecast issued at 01:00pm May 04). An open ocean swell of 0.8m 8s 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 (04 May) | 1.5ft (0.5m) | 14s |
| Afternoon (04 May) | 3ft (0.9m) | 13s |
| Evening (04 May) | 4ft (1.2m) | 12s |
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 4mm), mostly falling on Tue night. Warm (max 25°C on Mon afternoon, min 23°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Mon 4 | Tuesday 5 | Wednesday 6 | Thu 7 | |||||||||||||||||||||
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 13 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 12 | SSW 12 | NW 12 | NW 11 | NW 11 | SSE 6 | SSE 6 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | SSW 16 | SSW 16 | NW 18 | NW 17 | NW 16 | NW 16 | |
109 | 282 | 363 | 435 | 421 | 361 | 361 | 50 | 264 | 246 | 237 | 23 | 20 | 169 | 166 | 157 | 145 | 142 | 86 | 85 | 152 | 235 | 326 | 421 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | off | off | cross-off | cross-off | cross | cross-on | cross-on | on | on | cross-on | cross | cross-on | cross | cross-on | on | cross | cross-off | off | off | off | off | |
High Tide | 5:56PM0.67m | 4:49AM0.22m | 6:41PM0.64m | 5:17AM0.20m | 7:30PM0.62m | 6:41AM0.18m | ||||||||||||||||||
Low Tide | 9:58AM0.07m | 2:02AM0.20m | 10:24AM0.08m | 3:29AM0.19m | 10:52AM0.11m | 4:52AM0.18m | ||||||||||||||||||
 |  | |  | |  | | | |  | |  | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — |
 | — | — | 6:58 | — | — | — | — | — | — | — | 6:59 | — | — | — | — | — | — | — | 6:59 | — | — | — | — | 7:00 |
— | — | — | — | — | — | — | — | — | 1 | — | 1 | 2 | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 24 | 24 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 23 |
26 | 25 | 25 | 24 | 25 | 26 | 26 | 25 | 26 | 26 | 26 | 25 | 27 | 25 | 25 | 25 | 26 | 26 | 25 | 25 | 26 | 25 | 25 | 25 | |
Swell 1 Height (m) Direction Period (s) | ENE 8 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NNW 11 | NNW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NNW 10 | NNW 10 | NNW 10 | NW 10 | NW 16 | NW 16 |
 kJ | 94 | 282 | 363 | 435 | 421 | 361 | 361 | 319 | 264 | 246 | 237 | 207 | 204 | 169 | 166 | 157 | 145 | 142 | 125 | 122 | 122 | 96 | 326 | 421 |
Swell 2 Height (m) Direction Period (s) | NW 11 | E 8 | ENE 8 | E 8 | E 8 | E 8 | E 7 | E 7 | E 6 | E 6 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 8 | SSW 16 | SSW 16 | NW 18 | NW 17 | NW 9 | NNW 9 |
| kJ | 72 | 95 | 81 | 60 | 58 | 57 | 67 | 70 | 54 | 30 | 43 | 37 | 35 | 24 | 25 | 26 | 17 | 18 | 86 | 85 | 152 | 235 | 88 | 73 |
Swell 3 Height (m) Direction Period (s) | NW 13 | S 13 | SSW 13 | S 13 | S 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSE 9 | SSE 7 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSW 18 | SSW 18 | SSE 6 | E 8 | ENE 8 | SSW 16 | SSW 16 | SSW 16 | NNW 12 |
| kJ | 109 | 89 | 99 | 89 | 87 | 56 | 55 | 50 | 49 | 48 | 26 | 23 | 20 | 14 | 13 | 102 | 102 | 6 | 19 | 21 | 85 | 146 | 146 | 111 |
Wind waves Height (m) Direction Period (s) | ENE 6 | — | — | ENE 8 | — | — | — | — | — | S 9 | S 7 | — | — | — | — | — | — | — | — | — | — | ENE 8 | NE 3 | ENE 3 |
| kJ | 61 | — | — | 96 | — | — | — | — | — | 41 | 22 | — | — | — | — | — | — | — | — | — | — | 11 | 2 | 2 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 26 | 26 | 26 | 38 | 8 | 9 | 15 | 3 | 25 | 28 | 3 | 1 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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