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Surf Forecasts:
Power Plant surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 pm Tuesday 09 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 6PM is: 1.6m 14s primary swell from a Northwest direction (forecast issued at 01:00pm December 09). An open ocean swell of 0.6m 8s is not directed at the surf break. The wind direction is predicted to be glassy and the swell rating is 3.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Dec) | 2.5ft (0.8m) | 14s |
| Afternoon (09 Dec) | 4.5ft (1.4m) | 14s |
| Evening (09 Dec) | 4.5ft (1.4m) | 14s |
Table - waves today at Power Plant. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 09 | Wednesday 10 | Thursday 11 | Friday 12 | |||||||||||||||||||||
| 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 | 14 | 14 | 6 | 16 | 16 | 16 | 15 | 14 | 14 | 16 | 13 | 13 | 15 | 15 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 464 | 647 | 872 | 733 | 7 | 2284 | 2173 | 2383 | 2146 | 1785 | 1604 | 95 | 1200 | 1147 | 71 | 121 | 120 | 115 | 102 | 60 | 59 | 59 | 99 | 99 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | on | glass | glass | glass | glass | on | cross- on | on | on | on | on | on | on | on | cross- on | cross | cross | cross- off | cross- off | cross- off | cross- off | off | off |
High Tide / height (m) | 8:32PM 0.25 | 8:01AM 0.61 | 10:22PM 0.31 | 8:43AM 0.53 | 11:41PM 0.40 | |||||||||||||||||||
Low Tide / height (m) | 3:15PM 0.12 | 12:16AM 0.20 | 3:53PM 0.12 | 1:41AM 0.29 | 4:26PM 0.11 | 3:56AM 0.34 | ||||||||||||||||||
Tuesday 09 | Wednesday 10 | Thursday 11 | Friday 12 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:58 | - | - | - | - | - | - | - | 6:58 | - | - | - | - | - | - | - | 7:00 |
| Sunset | - | - | 5:50 | - | - | - | - | - | - | - | 5:51 | - | - | - | - | - | - | - | 5:51 | - | - | - | - | - |
 | | |  |  | | |  | | | | | | |  |  | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | - | - | - | - | - | - | - |
| Temp. °C | 25 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 23 | 23 | 22 | 22 | 22 | 22 |
| Feels °C (?) | 28 | 25 | 26 | 26 | 26 | 25 | 25 | 24 | 24 | 23 | 24 | 23 | 23 | 23 | 23 | 24 | 23 | 25 | 23 | 24 | 22 | 23 | 23 | 23 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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