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Power Plant surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 am 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 11AM is: 0.6m 16s primary swell from a South-southwest direction (forecast issued at 07:00am May 15). An open ocean swell of 1.1m 8s is not directed at the surf break, a second open ocean swell of 1.1m 12s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 May) | 2ft (0.6m) | 16s |
| Afternoon (15 May) | 3.5ft (1.0m) | 12s |
| Evening (15 May) | 3ft (0.9m) | 12s |
Table - waves today at Power Plant. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 12mm), heaviest on Fri afternoon. Warm (max 27°C on Sun afternoon, min 24°C on Fri morning). Wind will be generally light. | ||||||||||||||||||||||||
Friday 15 | Saturday 16 | Sunday 17 | Mon 18 | |||||||||||||||||||||
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 | 2 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
NW 13 | SSW 16 | SSW 16 | NW 12 | NW 12 | NW 12 | SSW 16 | SSE 11 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSE 12 | SSW 15 | SSW 14 | SSE 7 | SSE 11 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | |
501 | 171 | 169 | 287 | 209 | 205 | 102 | 46 | 103 | 162 | 152 | 144 | 140 | 138 | 54 | 191 | 138 | 46 | 78 | 249 | 249 | 246 | 242 | 236 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross | glassy | glassy | off | off | off | off | off | cross-off | cross-off | off | off | cross-off | glassy | cross-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 | |||||||||||||||||||
Low Tide | 7:55AM-0.01m | 10:33PM0.17m | 8:28AM-0.03m | 11:34PM0.15m | 9:05AM-0.03m | 00:36AM0.15m | ||||||||||||||||||
 |  | | | | |  |  | |  | | | | | | | | | | | | | | | |
 | 5:54 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | 5:52 |
 | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:04 | — | — | 7:04 |
2 | 1 | 1 | 3 | 4 | 1 | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 24 | 24 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 25 | 26 | 26 | 25 | 25 | 24 | 24 | 24 | 26 | 27 | 26 | 25 | 24 | 24 |
25 | 25 | 27 | 27 | 28 | 25 | 25 | 25 | 26 | 26 | 28 | 29 | 29 | 27 | 28 | 28 | 27 | 26 | 29 | 28 | 27 | 25 | 24 | 25 | |
Swell 1 Height (m) Direction Period (s) | NW 13 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | E 8 | E 8 | E 8 |
 kJ | 501 | 163 | 141 | 116 | 120 | 117 | 146 | 124 | 130 | 130 | 134 | 167 | 167 | 171 | 144 | 144 | 137 | 133 | 108 | 111 | 115 | 144 | 113 | 113 |
Swell 2 Height (m) Direction Period (s) | E 8 | NW 13 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 11 | NNW 11 | NNW 11 | NNW 11 | NNW 10 | SSE 11 | SSE 9 | SSE 7 | SSE 7 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 |
| kJ | 138 | 382 | 353 | 287 | 209 | 205 | 140 | 128 | 123 | 97 | 96 | 79 | 78 | 76 | 71 | 107 | 113 | 46 | 35 | 249 | 249 | 246 | 242 | 236 |
Swell 3 Height (m) Direction Period (s) | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSE 6 | SSW 16 | SSE 11 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSE 12 | SSW 15 | SSW 14 | NNW 10 | SSE 11 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 10 |
| kJ | 175 | 171 | 169 | 169 | 169 | 14 | 102 | 46 | 103 | 162 | 152 | 144 | 140 | 138 | 54 | 191 | 138 | 83 | 78 | 35 | 30 | 29 | 19 | 40 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | ENE 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | ENE 8 | — | ENE 8 | ENE 8 | ENE 8 |
| kJ | — | — | — | — | — | 151 | — | — | — | — | — | — | — | — | — | — | — | — | — | 128 | — | 157 | 157 | 131 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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