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Power Plant surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 pm Friday 15 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 3AM is: 0.4m 11s primary swell from a South-southeast direction (forecast issued at 07:00pm May 15). An open ocean swell of 1.0m 8s is not directed at the surf break, a second open ocean swell of 0.7m 11s is not directed at the surf break. The wind direction is predicted to be offshore.
| 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 2mm), mostly falling on Sat afternoon. Warm (max 27°C on Sun afternoon, min 24°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Fri 15 | Saturday 16 | Sunday 17 | Mon 18 | |||||||||||||||||||||
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 | 11 AM | 2 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SSW 16 | NW 12 | NW 12 | SSE 11 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSE 12 | SSE 10 | SSW 14 | SSE 9 | SSE 9 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 19 | SSW 19 | |
169 | 205 | 164 | 46 | 103 | 162 | 152 | 144 | 140 | 138 | 78 | 141 | 148 | 165 | 119 | 249 | 249 | 246 | 242 | 236 | 233 | 233 | 332 | 251 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | off | off | off | off | cross-off | cross-off | cross-off | glassy | cross-off | glassy | glassy | cross-off | off | off | off | off | off | off | off | off | off | off | off | |
High Tide | 3:24PM0.78m | 2:40AM0.29m | 4:08PM0.82m | 3:24AM0.25m | 4:54PM0.83m | 4:11AM0.22m | ||||||||||||||||||
Low Tide | 10:33PM0.17m | 8:28AM-0.03m | 11:34PM0.15m | 9:05AM-0.03m | 00:36AM0.15m | 9:45AM-0.02m | ||||||||||||||||||
 |  | | |  |  | | | | | | | | | |  | | | |  | | | | | |
 | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — |
 | 7:02 | — | — | — | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:04 | — | — | — | — | — | — | 7:04 |
1 | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 25 | 25 | 24 | 24 | 24 | 24 | 25 | 26 | 26 | 25 | 24 | 24 | 24 | 24 | 26 | 27 | 27 | 25 | 24 | 24 | 24 | 25 | 26 | 26 |
26 | 25 | 25 | 25 | 26 | 26 | 27 | 29 | 29 | 28 | 27 | 27 | 27 | 26 | 27 | 27 | 27 | 25 | 24 | 24 | 25 | 26 | 26 | 25 | |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | E 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | SSW 15 | SSW 14 | ENE 8 | ENE 8 | ENE 8 | SSW 14 |
 kJ | 98 | 100 | 124 | 124 | 127 | 127 | 157 | 167 | 190 | 171 | 165 | 165 | 165 | 140 | 140 | 140 | 140 | 140 | 242 | 236 | 180 | 176 | 171 | 226 |
Swell 2 Height (m) Direction Period (s) | NNW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 11 | NNW 11 | NNW 11 | NNW 11 | NNW 10 | SSE 10 | SSE 9 | SSE 9 | SSE 9 | SSE 8 | SSW 15 | SSW 15 | SSE 7 | SSE 7 | SSW 14 | SSW 14 | SSW 14 | SSW 19 |
| kJ | 251 | 205 | 164 | 128 | 123 | 97 | 96 | 79 | 78 | 76 | 71 | 141 | 148 | 165 | 119 | 66 | 249 | 246 | 29 | 28 | 233 | 233 | 233 | 251 |
Swell 3 Height (m) Direction Period (s) | SSW 16 | SSE 6 | SSW 16 | SSE 11 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSE 12 | NNW 10 | SSW 14 | NNW 10 | NNW 10 | SSW 15 | SSE 7 | SSE 7 | SSE 10 | SSE 10 | SSE 7 | SSE 7 | SSW 19 | SSE 10 |
| kJ | 169 | 14 | 102 | 46 | 103 | 162 | 152 | 144 | 140 | 138 | 78 | 69 | 138 | 60 | 58 | 249 | 47 | 42 | 41 | 40 | 27 | 18 | 332 | 65 |
Wind waves Height (m) Direction Period (s) | — | ENE 8 | ENE 8 | — | — | — | — | — | — | — | — | — | — | — | ENE 8 | — | — | ENE 8 | ENE 8 | ENE 8 | — | — | — | ENE 8 |
| kJ | — | 102 | 123 | — | — | — | — | — | — | — | — | — | — | — | 153 | — | — | 153 | 147 | 151 | — | — | — | 229 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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