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Power Plant surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 am 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 9AM is: 0.6m 15s primary swell from a South-southwest direction and 0.6m 11s secondary swell from a Northwest direction (forecast issued at 01:00am May 16). An open ocean swell of 1.1m 8s is not directed at the surf break. The wind direction is predicted to be cross-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 Sat morning). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 16 | Sunday 17 | Monday 18 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
SSE 11 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSE 12 | SSW 15 | SSE 11 | SSE 9 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 19 | SSW 19 | SSW 14 | SSW 14 | SSW 14 | |
46 | 103 | 162 | 152 | 144 | 140 | 138 | 54 | 191 | 305 | 138 | 131 | 249 | 249 | 246 | 242 | 236 | 233 | 233 | 332 | 251 | 213 | 163 | 161 | |
Wind (km/h) | ||||||||||||||||||||||||
off | cross-off | cross-off | cross-off | cross-off | glassy | glassy | glassy | cross-off | off | off | off | cross-off | off | off | off | off | off | off | off | off | off | off | off | |
High Tide | 2:40AM0.29m | 4:08PM0.82m | 3:24AM0.25m | 4:54PM0.83m | 4:11AM0.22m | 5:43PM0.81m | ||||||||||||||||||
Low Tide | 8:28AM-0.03m | 11:34PM0.15m | 9:05AM-0.03m | 00:36AM0.15m | 9:45AM-0.02m | |||||||||||||||||||
 | |  |  | |  |  |  | | | | | | | |  | | | | | | | | | |
 | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:04 | — | — |
— | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 24 | 24 | 24 | 26 | 26 | 26 | 25 | 25 | 24 | 24 | 24 | 26 | 27 | 26 | 25 | 24 | 24 | 24 | 24 | 26 | 26 | 26 | 24 | 24 |
26 | 26 | 26 | 29 | 29 | 29 | 28 | 29 | 27 | 27 | 26 | 27 | 27 | 26 | 25 | 24 | 24 | 25 | 24 | 26 | 25 | 25 | 23 | 24 | |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | SSE 11 | ENE 8 | ENE 8 | ENE 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | SSW 14 | SSW 14 | SSW 14 |
 kJ | 124 | 153 | 153 | 181 | 182 | 167 | 171 | 171 | 137 | 305 | 115 | 115 | 147 | 140 | 115 | 125 | 151 | 207 | 202 | 195 | 190 | 213 | 163 | 161 |
Swell 2 Height (m) Direction Period (s) | NW 11 | NW 11 | NW 11 | NW 11 | NNW 11 | NNW 11 | NNW 11 | NNW 10 | SSE 11 | ENE 8 | SSE 9 | SSE 8 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSE 7 | SSE 7 | SE 7 |
| kJ | 128 | 123 | 97 | 96 | 79 | 78 | 76 | 71 | 151 | 115 | 138 | 80 | 249 | 249 | 246 | 242 | 236 | 233 | 233 | 233 | 226 | 18 | 18 | 11 |
Swell 3 Height (m) Direction Period (s) | SSE 11 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSE 12 | SSW 15 | NNW 10 | NNW 10 | SSW 15 | SSE 8 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSW 19 | SSW 19 | SE 10 | SE 10 | NW 12 |
| kJ | 46 | 103 | 162 | 152 | 144 | 140 | 138 | 54 | 191 | 82 | 83 | 131 | 52 | 48 | 30 | 31 | 30 | 20 | 19 | 332 | 251 | 25 | 25 | 36 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | ENE 8 | — | ENE 8 | ENE 8 | ENE 8 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 172 | — | 229 | 229 | 229 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | 0 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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