- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
Power Plant surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 pm Saturday 16 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
25.4° 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 6PM is: 0.6m 14s primary swell from a South-southwest direction (forecast issued at 01:00pm May 16). An open ocean swell of 1.1m 8s is not directed at the surf break, a second open ocean swell of 0.6m 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 (16 May) | 2ft (0.6m) | 15s |
| Afternoon (16 May) | 2ft (0.6m) | 15s |
| Evening (16 May) | 2ft (0.6m) | 14s |
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 Sat afternoon. Warm (max 27°C on Sun morning, min 24°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Sat 16 | Sunday 17 | Monday 18 | Tue 19 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSE 12 | SSW 15 | SSW 14 | SSE 9 | SSE 11 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 18 | SSW 18 | |
152 | 144 | 140 | 138 | 78 | 191 | 138 | 135 | 78 | 246 | 249 | 246 | 242 | 236 | 233 | 233 | 233 | 229 | 213 | 163 | 207 | 161 | 480 | 273 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | on | cross-on | glassy | glassy | cross-off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | |
High Tide | 4:08PM0.82m | 3:24AM0.25m | 4:54PM0.83m | 4:11AM0.22m | 5:43PM0.81m | 5:06AM0.20m | ||||||||||||||||||
Low Tide | 8:28AM-0.03m | 11:34PM0.15m | 9:05AM-0.03m | 00:36AM0.15m | 9:45AM-0.02m | 1:40AM0.14m | ||||||||||||||||||
 |  | |  |  | | | | | | | |  |  | |  | | | | | | | | | |
 | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — |
 | — | — | 7:04 | — | — | — | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:04 | — | — | — | — | 7:05 |
— | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | |
Temp °C | 25 | 26 | 26 | 25 | 25 | 25 | 24 | 25 | 27 | 27 | 27 | 25 | 24 | 24 | 24 | 24 | 25 | 26 | 26 | 24 | 24 | 24 | 24 | 24 |
28 | 29 | 29 | 27 | 28 | 29 | 26 | 26 | 28 | 26 | 27 | 25 | 24 | 24 | 25 | 24 | 25 | 25 | 25 | 23 | 24 | 23 | 23 | 23 | |
Swell 1 Height (m) Direction Period (s) | E 8 | ENE 8 | ENE 8 | E 8 | E 8 | ENE 8 | SSE 9 | ENE 8 | ENE 8 | ENE 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | SSW 14 | E 8 | E 8 | E 8 | E 8 |
 kJ | 181 | 167 | 167 | 165 | 137 | 144 | 138 | 119 | 122 | 122 | 140 | 125 | 151 | 157 | 211 | 229 | 190 | 190 | 190 | 163 | 186 | 161 | 157 | 153 |
Swell 2 Height (m) Direction Period (s) | NW 11 | NNW 11 | NNW 11 | NNW 11 | SSE 12 | SE 9 | ENE 8 | SSE 9 | SSE 7 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSE 7 | SSW 14 | SSW 14 | SSW 18 | SSW 14 |
| kJ | 96 | 79 | 78 | 76 | 78 | 128 | 112 | 135 | 46 | 246 | 249 | 246 | 242 | 236 | 233 | 233 | 233 | 229 | 213 | 19 | 207 | 161 | 480 | 226 |
Swell 3 Height (m) Direction Period (s) | SSW 15 | SSW 15 | SSW 14 | SSW 14 | NNW 10 | SSW 15 | SSW 14 | NNW 10 | SSE 11 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 10 | SSE 10 | SSE 6 | SE 10 | SSE 7 | SSW 17 | SSE 10 | SSW 18 |
| kJ | 152 | 144 | 140 | 138 | 71 | 191 | 138 | 69 | 78 | 47 | 37 | 30 | 30 | 29 | 29 | 28 | 88 | 88 | 16 | 25 | 18 | 94 | 55 | 273 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | NE 3 | — | — | — | — | — | — | — | — | — | — | E 8 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — | 217 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 3 | 19 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
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
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Power Plant surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest