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Surf Forecasts:
Power Plant surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 pm Monday 15 Dec 2025 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
26.0° C
(Which is slightly warmer than usual)How big are the waves at Power Plant today?
The current surf forecast for Power Plant at 8PM is: 1.2m 13s primary swell from a West-northwest direction and 0.9m 5s secondary swell from a South-southeast direction (forecast issued at 01:00pm December 15). An open ocean swell of 1.8m 14s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Dec) | 5ft (1.6m) | 12s |
| Afternoon (15 Dec) | 5ft (1.6m) | 13s |
| Evening (15 Dec) | 3.5ft (1.1m) | 13s |
Table - waves today at Power Plant. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||||||||||
| 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 | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 6 | 6 | 6 | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 688 | 835 | 512 | 476 | 402 | 269 | 218 | 218 | 142 | 121 | 107 | 130 | 115 | 138 | 406 | 722 | 799 | 894 | 880 | 725 | 633 | 521 | 438 | 359 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 12:04PM 0.29 | 2:09AM 0.66 | 12:59PM 0.26 | 2:41AM 0.70 | 1:45PM 0.24 | 3:14AM 0.72 | ||||||||||||||||||
Low Tide / height (m) | 8:59AM 0.26 | 6:18PM 0.07 | 9:43AM 0.22 | 6:49PM 0.06 | 10:19AM 0.19 | 7:22PM 0.05 | ||||||||||||||||||
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 7:01 | - | - | - | - | - | - | - | 7:03 | - | - | - | - | - | - | - | 7:03 |
| Sunset | - | - | 5:52 | - | - | - | - | - | - | - | 5:52 | - | - | - | - | - | - | - | 5:52 | - | - | - | - | - |
 | | |  | | |  |  |  | | |  | | | | | | | | | | | | | |
Rain (mm) | 3 | 2 | 2 | 2 | 2 | 1 | - | - | - | 1 | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 3 | 4 | 1 | 1 | 3 |
| Temp. °C | 23 | 24 | 24 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 25 | 24 | 24 | 24 | 23 | 23 |
| Feels °C (?) | 23 | 25 | 24 | 25 | 25 | 25 | 24 | 25 | 25 | 25 | 25 | 24 | 25 | 25 | 25 | 23 | 23 | 23 | 24 | 22 | 24 | 24 | 23 | 24 |
- Map Icons:
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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