- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
Power Plant surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 am Saturday 30 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
25.3° C
(Which is normal for this time of year)How big are the waves at Power Plant today (30 May):
- Morning surf: Morning surf (30 May, local time) - 3.5ft (1.0m), 17s period with S swell.
- Afternoon surf: Afternoon surf (30 May, local time) - 3.5ft (1.0m), 16s period with S swell.
- Evening surf: Evening surf (30 May, local time) - 3ft (0.9m), 16s period with SSW swell.
The current surf forecast for Power Plant at 9AM is: 1.0m 17s primary swell from a South direction (forecast issued at 01:00am May 30). An open ocean swell of 0.8m 7s 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 (30 May) | 3.5ft (1.0m) | 17s |
| Afternoon (30 May) | 3.5ft (1.0m) | 16s |
| Evening (30 May) | 3ft (0.9m) | 16s |
Table - waves today at Power Plant. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Sat afternoon. Warm (max 26°C on Mon afternoon, min 22°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 30 | Sunday 31 | Monday 1 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
S 18 | S 18 | S 17 | S 17 | S 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | S 20 | S 19 | S 19 | S 18 | SSW 18 | S 18 | S 18 | SSW 17 | S 17 | |
627 | 613 | 617 | 589 | 555 | 437 | 427 | 421 | 416 | 406 | 390 | 296 | 288 | 280 | 276 | 276 | 365 | 361 | 436 | 534 | 639 | 632 | 505 | 582 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | off | cross-off | off | off | off | off | off | off | glassy | glassy | glassy | glassy | off | off | off | off | glassy | off | off | off | off | |
High Tide | 2:31AM0.26m | 3:51PM0.72m | 3:07AM0.24m | 4:26PM0.72m | 3:42AM0.23m | 5:03PM0.71m | ||||||||||||||||||
Low Tide | 8:06AM0.05m | 11:25PM0.17m | 8:36AM0.04m | 00:07AM0.17m | 9:08AM0.05m | |||||||||||||||||||
 | |  |  |  |  |  | | | | | | | | | | | | | | | | | | |
 | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:09 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | — | — | — | 7:09 | — | — |
— | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 23 | 22 | 23 | 25 | 25 | 24 | 24 | 24 | 23 | 23 | 23 | 25 | 25 | 25 | 24 | 23 | 23 | 22 | 23 | 25 | 26 | 26 | 24 | 24 |
23 | 22 | 23 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 28 | 27 | 28 | 27 | 24 | 25 | 23 | 25 | 27 | 28 | 27 | 24 | 24 | |
Swell 1 Height (m) Direction Period (s) | S 18 | S 18 | S 17 | S 17 | S 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | S 18 | SSW 18 | S 18 | S 18 | SSW 17 | S 17 |
 kJ | 627 | 613 | 617 | 589 | 555 | 437 | 427 | 421 | 416 | 406 | 390 | 296 | 288 | 280 | 276 | 276 | 346 | 273 | 436 | 534 | 639 | 632 | 505 | 582 |
Swell 2 Height (m) Direction Period (s) | S 13 | E 7 | E 7 | E 7 | E 7 | E 7 | N 10 | N 10 | N 10 | N 9 | N 9 | E 8 | E 8 | E 8 | N 11 | E 8 | S 19 | S 19 | S 14 | S 14 | E 8 | ENE 8 | N 9 | S 13 |
| kJ | 114 | 64 | 64 | 49 | 48 | 48 | 122 | 92 | 90 | 81 | 79 | 41 | 41 | 41 | 116 | 40 | 365 | 361 | 200 | 195 | 58 | 77 | 61 | 125 |
Swell 3 Height (m) Direction Period (s) | NNW 11 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | E 7 | E 7 | E 7 | E 8 | E 8 | N 9 | N 9 | N 9 | E 8 | S 20 | N 10 | N 10 | N 10 | E 8 | N 10 | N 10 | S 13 | S 21 |
| kJ | 78 | 75 | 95 | 104 | 102 | 100 | 50 | 54 | 53 | 54 | 41 | 44 | 43 | 57 | 41 | 276 | 108 | 98 | 96 | 58 | 68 | 67 | 125 | 332 |
Wind waves Height (m) Direction Period (s) | E 7 | ENE 7 | — | — | — | — | — | — | — | — | — | — | ENE 7 | ENE 7 | — | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | — | — | ENE 8 | ENE 7 |
| kJ | 81 | 102 | — | — | — | — | — | — | — | — | — | — | 62 | 62 | — | 57 | 58 | 44 | 64 | 86 | — | — | 75 | 71 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Power Plant surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest