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Surf Forecasts:
Power Plant surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 pm Thursday 11 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
26.1° 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: 0.4m 13s primary swell from a South-southwest direction (forecast issued at 01:00pm December 11). An open ocean swell of 1.8m 12s is not directed at the surf break, a second open ocean swell of 0.4m 8s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | 7ft (2.1m) | 13s |
| Afternoon (11 Dec) | 1.5ft (0.5m) | 14s |
| Evening (11 Dec) | 1.5ft (0.4m) | 13s |
Table - waves today at Power Plant. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||||||||
| 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) (?) | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 11 | 11 | 11 | 10 | 12 | 12 | 4 | 12 | 12 | 11 | 11 | 4 | 16 | 16 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 120 | 115 | 102 | 60 | 59 | 59 | 99 | 99 | 67 | 258 | 254 | 187 | 124 | 49 | 48 | 33 | 28 | 27 | 25 | 25 | 28 | 68 | 127 | 183 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | cross- off | glass | glass | glass | cross- off | cross- off | glass | cross | glass | cross- off | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | on | on | on | cross- on | cross- on |
High Tide / height (m) | 8:43AM 0.53 | 11:41PM 0.40 | 9:25AM 0.46 | 12:29AM 0.48 | 10:11AM 0.39 | 1:06AM 0.56 | ||||||||||||||||||
Low Tide / height (m) | 4:26PM 0.11 | 3:56AM 0.34 | 4:54PM 0.10 | 6:16AM 0.34 | 5:21PM 0.09 | 7:56AM 0.30 | ||||||||||||||||||
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 7:00 | - | - | - | - | - | - | - | 7:01 | - | - | - | - | - | - | - | 7:01 |
| Sunset | - | - | 5:51 | - | - | - | - | - | - | - | 5:51 | - | - | - | - | - | - | - | 5:52 | - | - | - | - | - |
 |  |  |  | |  | | | | | | | | | | | | | |  | | | |  | |
Rain (mm) | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 2 | 1 | 1 | - |
| Temp. °C | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 |
| Feels °C (?) | 22 | 22 | 23 | 24 | 23 | 23 | 23 | 22 | 24 | 24 | 25 | 25 | 24 | 23 | 23 | 22 | 23 | 24 | 24 | 24 | 25 | 26 | 26 | 25 |
- 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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