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Surf Forecasts:
Power Plant surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 am Tuesday 19 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
25.6° 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 6AM is: 0.9m 18s primary swell from a South-southwest direction (forecast issued at 01:00am May 19). An open ocean swell of 1.0m 8s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 2.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 May) | 2.5ft (0.7m) | 18s |
| Afternoon (19 May) | 2.5ft (0.8m) | 14s |
| Evening (19 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 ForecastMostly dry. Warm (max 26°C on Tue morning, min 22°C on Thu night). Mainly fresh winds. | ||||||||||||||||||||||||
Tuesday 19 | Wednesday 20 | Thursday 21 | ||||||||||||||||||||||
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 14 | SSW 18 | SSW 18 | SSW 14 | SSW 14 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 17 | SSW 17 | S 16 | S 16 | S 16 | S 16 | S 16 | SSW 15 | SSW 15 | |
161 | 480 | 273 | 229 | 236 | 246 | 252 | 242 | 252 | 233 | 236 | 163 | 158 | 149 | 105 | 101 | 101 | 135 | 134 | 134 | 131 | 126 | 172 | 169 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | |
High Tide | 5:06AM0.20m | 6:35PM0.78m | 6:18AM0.19m | 7:28PM0.72m | 8:01AM0.20m | 8:22PM0.66m | ||||||||||||||||||
Low Tide | 1:40AM0.14m | 10:27AM0.02m | 2:45AM0.14m | 11:14AM0.07m | 3:42AM0.13m | 12:10PM0.14m | ||||||||||||||||||
 | |  |  | | | |  | | | | | | | | | | | | | | |  | | |
 | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:06 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 24 | 24 | 24 | 26 | 26 | 26 | 25 | 24 | 24 | 24 | 24 | 25 | 26 | 25 | 23 | 23 | 23 | 23 | 24 | 25 | 25 | 24 | 23 | 23 |
24 | 24 | 24 | 27 | 25 | 25 | 24 | 23 | 24 | 24 | 23 | 23 | 23 | 22 | 20 | 20 | 20 | 20 | 21 | 21 | 20 | 20 | 19 | 19 | |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | ENE 8 | E 8 | E 8 | SSW 15 | SSW 15 | SSW 15 | E 8 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | NNW 10 | SSW 13 | SSW 13 | S 16 | S 16 | S 16 | S 16 | SSW 15 | SSW 15 |
 kJ | 157 | 157 | 134 | 109 | 103 | 131 | 252 | 242 | 252 | 223 | 236 | 163 | 158 | 149 | 105 | 63 | 101 | 102 | 134 | 134 | 131 | 126 | 172 | 169 |
Swell 2 Height (m) Direction Period (s) | SSW 14 | SSW 18 | SSW 14 | SSW 14 | SSW 14 | SSW 15 | NNW 11 | NNW 11 | NNW 11 | SSW 14 | NW 10 | NNW 10 | NNW 10 | NNW 11 | NNW 11 | SSW 13 | NNW 10 | S 16 | SSW 13 | SSW 13 | NNW 10 | SE 13 | SE 13 | SE 13 |
| kJ | 161 | 480 | 226 | 229 | 236 | 246 | 76 | 78 | 75 | 233 | 49 | 69 | 95 | 64 | 64 | 101 | 57 | 135 | 101 | 60 | 19 | 44 | 43 | 42 |
Swell 3 Height (m) Direction Period (s) | SSE 7 | SSE 6 | SSW 18 | SSW 18 | NNW 12 | SSE 9 | SSE 7 | SE 7 | SSE 9 | NNW 10 | NNW 12 | SSW 18 | SSW 18 | SE 7 | SSW 18 | SSW 17 | SSW 17 | NNW 10 | NNW 10 | NW 10 | SE 13 | NNW 10 | NNW 10 | NNW 10 |
| kJ | 18 | 17 | 273 | 207 | 91 | 50 | 20 | 12 | 34 | 94 | 28 | 63 | 62 | 12 | 61 | 100 | 92 | 38 | 38 | 24 | 44 | 18 | 18 | 18 |
Wind waves Height (m) Direction Period (s) | ENE 8 | — | — | — | ENE 8 | — | ENE 8 | ENE 8 | ENE 8 | — | E 8 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
| kJ | 186 | — | — | — | 102 | — | 192 | 218 | 223 | — | 219 | 263 | 371 | 383 | 403 | 443 | 555 | 597 | 597 | 597 | 765 | 771 | 727 | 682 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 8 | 15 | 16 | 19 | 19 | 20 | 158 | 158 | 178 | 158 | 187 | 279 | 160 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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FREE! Surf-Forecast.com widget for your website
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