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Power Plant surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 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 2PM is: 0.8m 14s primary swell from a South-southwest direction (forecast issued at 07:00am May 19). An open ocean swell of 1.1m 8s is not directed at the surf break. The wind direction is predicted to be offshore.
| 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 23°C on Wed night). Mainly fresh winds. | ||||||||||||||||||||||||
Tuesday 19 | Wednesday 20 | Thursday 21 | Fri 22 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
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 | S 16 | S 16 | S 16 | S 16 | S 16 | S 16 | SSW 15 | SSW 15 | S 15 | |
480 | 273 | 229 | 236 | 246 | 252 | 242 | 252 | 236 | 236 | 163 | 156 | 149 | 105 | 101 | 137 | 135 | 134 | 134 | 131 | 126 | 172 | 169 | 157 | |
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 | 10:27AM0.02m | 2:45AM0.14m | 11:14AM0.07m | 3:42AM0.13m | 12:10PM0.14m | |||||||||||||||||||
 |  | |  | | |  | | | | | | | | | | | | | | | | | | |
 | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | 5:50 |
 | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:06 | — | — | 7:06 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 24 | 24 | 26 | 26 | 26 | 25 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 23 | 23 | 23 | 23 | 23 | 25 | 25 | 24 | 23 | 23 | 23 |
24 | 24 | 26 | 25 | 24 | 25 | 23 | 23 | 23 | 22 | 23 | 22 | 22 | 20 | 20 | 20 | 20 | 19 | 21 | 21 | 20 | 19 | 19 | 19 | |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | NNW 11 | NNW 10 | SSW 13 | S 16 | S 16 | S 16 | S 16 | SSW 15 | SSW 15 | S 15 |
 kJ | 157 | 134 | 134 | 157 | 246 | 252 | 242 | 252 | 236 | 236 | 163 | 156 | 149 | 105 | 64 | 39 | 102 | 134 | 134 | 131 | 126 | 172 | 169 | 157 |
Swell 2 Height (m) Direction Period (s) | SSW 18 | SSW 14 | SSW 14 | SSW 14 | NW 10 | NNW 11 | NNW 11 | NNW 11 | NNW 10 | NW 10 | NNW 10 | NNW 10 | NNW 11 | NNW 11 | SSW 13 | S 16 | S 16 | SSW 13 | SSW 13 | NNW 10 | SE 13 | SE 13 | SE 13 | SE 13 |
| kJ | 480 | 226 | 229 | 236 | 54 | 76 | 78 | 75 | 94 | 49 | 69 | 95 | 64 | 64 | 101 | 137 | 135 | 101 | 60 | 19 | 44 | 43 | 42 | 40 |
Swell 3 Height (m) Direction Period (s) | SSE 6 | SSW 18 | SSW 18 | NNW 12 | SSE 7 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SE 9 | SSW 18 | SSW 18 | S 18 | SSW 18 | SSW 17 | SSW 13 | NNW 10 | NNW 10 | NW 10 | SE 13 | NNW 10 | NNW 10 | NNW 10 | NNW 10 |
| kJ | 17 | 273 | 207 | 91 | 19 | 35 | 35 | 34 | 34 | 21 | 63 | 104 | 56 | 61 | 100 | 67 | 38 | 33 | 24 | 44 | 19 | 18 | 18 | 19 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | 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 | — | — | — | — | 163 | 192 | 218 | 223 | 223 | 264 | 359 | 362 | 383 | 443 | 505 | 555 | 597 | 612 | 659 | 829 | 802 | 744 | 698 | 698 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 8 | 0 | 0 | 0 | 0 | 8 | 12 | 15 | 16 | 19 | 19 | 158 | 158 | 19 | 160 | 158 | 187 | 279 | 160 | 158 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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