Power Plant surfForecast / HAW – Oahu / USA

information circle48hr Weather and Surf, issued 7 am Friday 15 May 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
25.4° 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 11AM is: 0.6m 16s primary swell from a South-southwest direction (forecast issued at 07:00am May 15). An open ocean swell of 1.1m 8s is not directed at the surf break, a second open ocean swell of 1.1m 12s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (HST) & DateWave HeightWave Period
Morning (15 May)2ft (0.6m)16s
Afternoon (15 May)3.5ft (1.0m)12s
Evening (15 May)3ft (0.9m)12s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 12mm), heaviest on Fri afternoon. Warm (max 27°C on Sun afternoon, min 24°C on Fri morning). Wind will be generally light.

Friday
15
Saturday
16
Sunday
17
Mon
18
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
Rating
(10 max)
3
1
0
2
2
1
0
0
0
1
1
1
1
1
0
2
1
0
0
2
2
2
1
2
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.2
NW
13
0.6
SSW
16
0.6
SSW
16
1
NW
12
0.9
NW
12
0.9
NW
12
0.4
SSW
16
0.4
SSE
11
0.4
SSW
16
0.6
SSW
16
0.6
SSW
15
0.6
SSW
15
0.6
SSW
14
0.6
SSW
14
0.4
SSE
12
0.7
SSW
15
0.6
SSW
14
0.7
SSE
7
0.6
SSE
11
0.8
SSW
15
0.8
SSW
15
0.8
SSW
15
0.8
SSW
15
0.8
SSW
14
Wave Graph
Metric surfscale
Energy kJ
501
171
169
287
209
205
102
46
103
162
152
144
140
138
54
191
138
46
78
249
249
246
242
236
Wind (km/h)
10
SE
15
ESE
5
SSE
5
ESE
5
SSW
15
ENE
15
E
10
ENE
10
ENE
5
ENE
5
SSE
5
SE
5
ENE
10
E
10
ESE
5
ESE
10
NNE
10
NE
5
ENE
10
E
15
ENE
20
ENE
15
ENE
15
ENE
cross-off
cross-off
cross
glassy
glassy
off
off
off
off
off
cross-off
cross-off
off
off
cross-off
glassy
cross-off
off
off
off
off
off
off
off
High Tide
3:24PM0.78m
2:40AM0.29m
4:08PM0.82m
3:24AM0.25m
4:54PM0.83m
Low Tide
7:55AM-0.01m
10:33PM0.17m
8:28AM-0.03m
11:34PM0.15m
9:05AM-0.03m
00:36AM0.15m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
part cloud
clear
clear
clear
thunderstorm
thunderstorm
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:54
5:52
5:52
5:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:02
7:04
7:04
7:04
2
1
1
3
4
1
1
1
Temp °C
24
24
25
25
25
24
24
24
24
24
25
26
26
25
25
24
24
24
26
27
26
25
24
24
25
25
27
27
28
25
25
25
26
26
28
29
29
27
28
28
27
26
29
28
27
25
24
25
Swell 1
Height (m)
Direction
Period (s)
1.2
NW
13
1.2
E
8
1.1
E
8
1
E
8
1
E
8
1
E
8
1.1
E
8
1
E
8
1
E
8
1
E
8
1
E
8
1.1
ENE
8
1.1
ENE
8
1.1
ENE
8
1
ENE
8
1
ENE
8
1
E
8
1
E
8
0.9
E
8
0.9
E
8
0.9
ENE
8
1
E
8
0.9
E
8
0.9
E
8
Energy kJ
501
163
141
116
120
117
146
124
130
130
134
167
167
171
144
144
137
133
108
111
115
144
113
113
Swell 2
Height (m)
Direction
Period (s)
1.1
E
8
1.1
NW
13
1.1
NW
12
1
NW
12
0.9
NW
12
0.9
NW
12
0.7
NW
12
0.7
NW
11
0.7
NW
11
0.6
NW
11
0.6
NW
11
0.6
NNW
11
0.6
NNW
11
0.6
NNW
11
0.6
NNW
10
0.7
SSE
11
0.8
SSE
9
0.7
SSE
7
0.6
SSE
7
0.8
SSW
15
0.8
SSW
15
0.8
SSW
15
0.8
SSW
15
0.8
SSW
14
Energy kJ
138
382
353
287
209
205
140
128
123
97
96
79
78
76
71
107
113
46
35
249
249
246
242
236
Swell 3
Height (m)
Direction
Period (s)
0.6
SSW
16
0.6
SSW
16
0.6
SSW
16
0.6
SSW
16
0.6
SSW
16
0.4
SSE
6
0.4
SSW
16
0.4
SSE
11
0.4
SSW
16
0.6
SSW
16
0.6
SSW
15
0.6
SSW
15
0.6
SSW
14
0.6
SSW
14
0.4
SSE
12
0.7
SSW
15
0.6
SSW
14
0.6
NNW
10
0.6
SSE
11
0.6
SSE
7
0.5
SSE
7
0.5
SSE
7
0.4
SSE
7
0.4
SSE
10
Energy kJ
175
171
169
169
169
14
102
46
103
162
152
144
140
138
54
191
138
83
78
35
30
29
19
40
Wind waves
Height (m)
Direction
Period (s)
1.2
ENE
8
1
ENE
8
1.1
ENE
8
1.1
ENE
8
1
ENE
8
Energy kJ
151
128
157
157
131
Nearest Offshore or Glassy
Rating
(10 max)
3
1
1
2
2
1
1
1
1
1
1
1
1
1
1
2
1
1
1
2
2
2
1
2
Distance (km)
0
0
1
0
0
0
1
2
1
0
0
0
0
0
2
0
0
2
1
0
0
0
0
0
Best forecast wave conditions in Oahu
Rating
(10 max)
3
3
3
2
2
2
2
2
2
2
3
3
3
2
2
2
2
3
1
2
2
2
2
2
Best forecast wave conditions in United States
Rating
(10 max)
3
3
3
2
2
2
2
2
3
2
3
4
4
2
2
2
9
3
1
4
5
8
5
4
Header Global
Rating
(10 max)
6
5
5
5
5
5
4
5
6
5
5
5
4
5
6
9
9
7
4
4
5
8
7
4
  • 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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