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Surf Forecasts:
Power Plant surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 pm Friday 20 Mar 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
24.5° 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 7PM is: 0.6m 19s primary swell from a South-southwest direction and 0.6m 12s secondary swell from a South direction, 1.3m 6s secondary swell from a South direction (forecast issued at 01:00pm March 20). An open ocean swell of 1.2m 11s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Mar) | 2.5ft (0.8m) | 13s |
| Afternoon (20 Mar) | 2.5ft (0.7m) | 13s |
| Evening (20 Mar) | 2ft (0.6m) | 19s |
Table - waves today at Power Plant. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | |||||||||||||||||||||
| 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) (?) | 13 | 13 | 13 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 219 | 162 | 157 | 248 | 246 | 322 | 309 | 283 | 280 | 276 | 399 | 395 | 390 | 386 | 321 | 298 | 295 | 326 | 326 | 322 | 322 | 318 | 314 | 302 |
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- on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | glass | cross- on | cross- on | cross | glass | glass | glass |
High Tide / height (m) | 5:20PM 0.64 | 4:46AM 0.41 | 6:07PM 0.66 | 5:12AM 0.34 | 7:03PM 0.66 | 5:30AM 0.28 | ||||||||||||||||||
Low Tide / height (m) | 10:29AM 0.04 | 11:43PM 0.20 | 10:54AM 0.04 | 12:54AM 0.23 | 11:21AM 0.04 | 2:33AM 0.25 | ||||||||||||||||||
Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:35 | - | - | - | - | - | - | - | 6:33 | - | - | - | - | - | - | - | 6:33 |
| Sunset | - | - | 6:43 | - | - | - | - | - | - | - | 6:43 | - | - | - | - | - | - | - | 6:44 | - | - | - | - | - |
 | | |  | | | | | | | | | |  |  | | | | | | | | | | |
Rain (mm) | 2 | 1 | 2 | 3 | 2 | 2 | 3 | 2 | 1 | 4 | 4 | 4 | 1 | - | - | 3 | 3 | 2 | 2 | 3 | 1 | 1 | - | 1 |
| Temp. °C | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 22 | 22 | 23 | 22 | 23 | 23 | 23 | 23 |
| Feels °C (?) | 23 | 23 | 24 | 25 | 25 | 25 | 25 | 26 | 27 | 27 | 25 | 25 | 25 | 26 | 26 | 25 | 24 | 24 | 25 | 24 | 25 | 25 | 26 | 25 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
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