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Power Plant surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 am Sunday 17 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
25.5° 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 4AM is: 0.8m 10s primary swell from a South-southeast direction (forecast issued at 01:00am May 17). An open ocean swell of 1.0m 8s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | 2.5ft (0.7m) | 11s |
| Afternoon (17 May) | 2.5ft (0.8m) | 15s |
| Evening (17 May) | 2.5ft (0.8m) | 15s |
Table - waves today at Power Plant. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Sun afternoon. Warm (max 27°C on Sun afternoon, min 23°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 17 | Monday 18 | Tuesday 19 | ||||||||||||||||||||||
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 | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
SSW 15 | SSE 11 | SSE 11 | SSE 11 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 19 | SSW 19 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 18 | SSW 18 | SSW 14 | SSW 14 | SSW 15 | SSW 15 | SSW 15 | |
191 | 146 | 103 | 78 | 246 | 249 | 246 | 242 | 236 | 233 | 233 | 332 | 251 | 213 | 163 | 207 | 161 | 480 | 273 | 229 | 236 | 246 | 252 | 242 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | cross-off | cross-off | cross-off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | |
High Tide | 3:24AM0.25m | 4:54PM0.83m | 4:11AM0.22m | 5:43PM0.81m | 5:06AM0.20m | 6:35PM0.78m | ||||||||||||||||||
Low Tide | 11:34PM0.15m | 9:05AM-0.03m | 00:36AM0.15m | 9:45AM-0.02m | 1:40AM0.14m | 10:27AM0.02m | ||||||||||||||||||
 | |  | | |  | | |  | |  | | | | | |  | | | | | | | | |
 | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:05 | — | — |
— | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 24 | 24 | 25 | 26 | 26 | 27 | 25 | 24 | 24 | 24 | 24 | 25 | 26 | 26 | 24 | 24 | 24 | 24 | 24 | 25 | 26 | 26 | 24 | 24 |
27 | 27 | 27 | 29 | 29 | 29 | 26 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 23 | 22 | |
Swell 1 Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | SSW 14 | SSW 14 | SSW 14 | E 8 | E 8 | E 8 | E 8 | E 8 | SSW 15 | SSW 15 | SSW 15 |
 kJ | 144 | 144 | 119 | 122 | 115 | 122 | 125 | 125 | 176 | 197 | 190 | 190 | 165 | 213 | 163 | 207 | 161 | 153 | 149 | 149 | 149 | 246 | 252 | 242 |
Swell 2 Height (m) Direction Period (s) | SSE 9 | SSE 11 | SE 7 | SSE 7 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSE 7 | SSE 7 | SSE 7 | SSW 14 | SSW 18 | SSW 14 | SSW 14 | SSW 14 | SSE 7 | NNW 11 | NNW 11 |
| kJ | 106 | 146 | 53 | 46 | 246 | 249 | 246 | 242 | 236 | 233 | 233 | 233 | 229 | 19 | 19 | 19 | 161 | 480 | 226 | 229 | 236 | 19 | 76 | 78 |
Swell 3 Height (m) Direction Period (s) | SSW 15 | SE 7 | SSE 11 | SSE 11 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSW 19 | SSW 19 | SE 10 | SE 10 | NW 12 | SSW 17 | NW 11 | SSW 18 | SSW 18 | NNW 12 | NW 10 | SSE 7 | SE 7 |
| kJ | 191 | 54 | 103 | 78 | 47 | 36 | 30 | 30 | 30 | 29 | 20 | 332 | 251 | 25 | 25 | 36 | 94 | 31 | 273 | 207 | 91 | 54 | 18 | 13 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | NE 3 | — | — | — | — | — | ENE 8 | ENE 8 | ENE 8 | — | ENE 8 | ENE 8 | ENE 7 | — | E 8 | ENE 8 | ENE 8 |
| kJ | — | — | — | — | — | — | — | 2 | — | — | — | — | — | 197 | 229 | 197 | — | 135 | 110 | 104 | — | 153 | 223 | 251 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 8 | 8 | 8 | 8 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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