Power Plant surfForecast / HAW – Oahu / USA

information circle48hr Weather and Surf, issued 1 pm Tuesday 20 Jan 2026 HST
Forecast 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
24.9° C
(Which is slightly warmer than usual)


How big are the waves at Power Plant today?

The current surf forecast for Power Plant at 8PM is: 1.3m 14s primary swell from a Northwest direction (forecast issued at 01:00pm January 20). An open ocean swell of 0.7m 7s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (20 Jan)3.5ft (1.0m)12s
Afternoon (20 Jan)4ft (1.2m)15s
Evening (20 Jan)4.5ft (1.3m)14s

Table - waves today at Power Plant. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM
Rating
(10 max)
2
0
1
2
1
1
1
2
3
2
2
3
3
3
3
1
2
2
2
2
2
2
1
1
Swell
Height Map
Wave Height (m) & direction (?)
1.2
NW
1.2
NW
1.3
NW
1.3
NW
1.3
NW
1.1
NW
0.9
NW
1
NW
1.5
NW
1.6
NW
1.6
NW
1.5
NW
1.4
NW
1.4
NW
1.6
NW
1.2
WNW
1.1
WNW
1.2
WNW
1.2
WNW
1.2
WNW
1
WNW
0.9
WNW
0.9
WNW
0.9
WNW
Period(s) (?)161514141413171616151414141414131413131313131212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)719623676736630444439527108710881031902834822885458467472437423351295251241
Wind
(km/h)
5
SSE
15
SSW
10
SSW
10
S
5
SSW
25
NW
30
N
25
NNE
15
ENE
20
NNE
20
NE
15
NE
15
NE
10
NE
10
NNE
15
NE
10
ENE
10
N
5
NE
5
NNE
10
NE
15
NNE
15
NE
15
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
on
cross-
on
cross-
on
cross-
on
crosscross-
off
cross-
off
offcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offcross-
off
glasscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
5:03PM
0.30
5:31AM
0.69
5:53PM
0.34
5:57AM
0.64
6:51PM
0.38
6:22AM
0.57
Low Tide
/ height (m)
12:14PM
0.13
10:17PM
0.09
12:37PM
0.12
11:00PM
0.14
1:00PM
0.11
11:50PM
0.22
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Sunrise-------7:11-------7:11-------7:11
Sunset--6:14-------6:15-------6:15-----
clear
clear
part cloud
part cloud
part cloud
rain showers
light rain
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
cloud
part cloud
part cloud
Rain (mm)
-----11-----------------
Temp. °C242424232322202122232221212121212323232222212121
Feels °C (?)242324232420161820202019202021202323252322212121
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

Latest Updates

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.


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