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Surf Forecasts:

Power Plant surfForecast / HAW – Oahu / USA

information circle48hr Weather and Surf, issued 1 pm Wednesday 18 Mar 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
24.6° 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 8PM is: 0.9m 15s primary swell from a South direction (forecast issued at 01:00pm March 18). An open ocean swell of 1.6m 12s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (HST) & DateWave HeightWave Period
Morning (18 Mar)2.5ft (0.8m)16s
Afternoon (18 Mar)3ft (0.9m)16s
Evening (18 Mar)3ft (0.9m)15s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Wednesday
18
Thursday
19
Friday
20
Saturday
21
11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM
Rating
(10 max)
2
2
2
2
2
2
2
2
2
1
1
2
2
0
1
1
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.9
S
0.9
S
0.9
S
0.9
S
0.9
S
0.9
S
1
S
1
S
0.9
S
0.9
S
0.9
S
0.8
S
0.8
S
0.8
S
0.8
S
0.8
S
0.8
S
0.7
S
0.7
S
0.6
SSW
0.6
SSW
0.7
SSW
0.7
SSW
0.7
SSW
Period(s) (?)161615151514141414141413131313131313131919191918
Wave
Graph
(?)Metric surfscale
Energy kJ (?)406396376352343338416411333324302229225222222219219162157248246322309283
Wind
(km/h)
5
ESE
5
S
5
SSE
5
E
5
E
5
ESE
10
SE
10
ESE
10
SE
10
SSE
15
SSE
15
SE
10
SE
10
SSE
15
SSE
15
SSE
20
S
25
S
20
S
20
S
15
SSW
15
SW
15
SSW
10
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassglasscross-
off		cross-
off		offcross-
off		cross-
off		cross-
off		cross-
off		crosscrosscross-
off		cross-
off		crosscrosscrosscrosscross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		on
High Tide
/ height (m)
3:57PM
0.53
3:50AM
0.55
4:37PM
0.60
4:18AM
0.48
5:20PM
0.64
4:46AM
0.41
Low Tide
/ height (m)
9:47AM
0.07
9:52PM
0.13
10:07AM
0.05
10:45PM
0.16
10:29AM
0.04
11:43PM
0.20
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunrise-------6:37-------6:35-------6:35
Sunset--6:42-------6:43-------6:43-----
part cloud
cloud
cloud
part cloud
cloud
cloud
cloud
cloud
thunderstorm
thunderstorm
clear
clear
part cloud
part cloud
cloud
cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
cloud
thunderstorm
Rain (mm)
--------12------111235-4
Temp. °C242424242323232325252524242424242425252424232323
Feels °C (?)272626262525252527262625262625252425252525242525
  • 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

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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.

View detailed surf forecast for Power Plant at:
surf-forecast.com

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