Power Plant surfForecast / HAW – Oahu / USA

information circle48hr Weather and Surf, issued 1 am Wednesday 29 Apr 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
25.0° 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 5AM is: 0.4m 12s primary swell from a Southwest direction (forecast issued at 01:00am April 29). An open ocean swell of 0.7m 12s is not directed at the surf break, a second open ocean swell of 1.1m 7s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (HST) & DateWave HeightWave Period
Morning (29 Apr)1.5ft (0.4m)12s
Afternoon (29 Apr)1ft (0.3m)10s
Evening (29 Apr)1.5ft (0.4m)10s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 25°C on Wed morning, min 23°C on Wed morning). Mainly fresh winds.

Wednesday
29
Thursday
30
Friday
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
Rating
(10 max)
1
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
0.6
NW
13
0.4
SW
12
0.4
SW
12
0.4
SW
12
0.3
SSE
10
0.4
SE
10
0.3
SSE
10
0.9
NW
13
0.9
NW
12
0.2
SSW
11
0.3
SSW
12
0.3
S
16
0.4
S
16
0.5
S
16
0.4
S
16
0.4
SSW
16
0.4
S
15
0.5
S
15
0.5
S
15
0.5
S
15
0.6
S
15
0.6
NW
18
0.6
NW
17
0.9
NW
16
Wave Graph
Metric surfscale
Energy kJ
132
36
37
35
22
25
19
241
227
12
29
47
81
127
82
86
72
112
110
110
163
199
222
443
Wind (km/h)
20
ENE
20
ENE
25
ENE
25
ENE
25
ENE
30
ENE
25
ENE
25
ENE
25
ENE
25
ENE
25
ENE
25
ENE
30
ENE
30
ENE
25
ENE
25
ENE
25
ENE
25
ENE
25
ENE
30
ENE
30
ENE
30
ENE
25
ENE
25
ENE
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
1:57AM0.42m
3:05PM0.64m
2:29AM0.38m
3:35PM0.68m
2:59AM0.33m
4:07PM0.70m
Low Tide
8:04AM0.06m
9:39PM0.20m
8:24AM0.06m
10:27PM0.19m
8:45AM0.05m
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:03
6:01
6:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:55
6:57
6:57
Temp °C
23
23
23
25
25
25
23
23
23
23
23
25
25
25
23
23
23
23
23
25
25
25
23
23
22
22
21
23
22
22
21
21
21
21
20
22
22
22
20
21
21
21
21
22
22
22
21
21
Swell 1
Height (m)
Direction
Period (s)
0.6
NW
13
0.7
NW
12
0.7
NW
12
1.1
E
7
1.1
E
7
0.7
NW
13
0.7
NW
13
0.9
NW
13
0.9
NW
12
0.9
NNW
12
0.9
NNW
12
0.9
NNW
12
1
NNW
12
1
NNW
12
1
NNW
13
1
NNW
13
1.1
NNW
13
1.1
NNW
12
1
NNW
12
1
NNW
12
1
NNW
12
0.9
NNW
12
0.9
NNW
11
0.9
NW
16
Energy kJ
132
157
154
114
104
183
175
241
227
260
251
247
285
275
351
351
378
344
274
269
265
211
200
443
Swell 2
Height (m)
Direction
Period (s)
0.4
SW
12
0.4
SW
12
0.4
SW
12
0.7
NW
14
0.7
NW
14
0.4
SE
10
0.3
SSE
10
0.4
SE
10
0.2
SSE
10
0.2
SSE
10
0.3
SSW
12
0.3
SSW
12
0.4
S
16
0.5
S
16
0.4
NNW
7
0.4
NNW
7
0.4
S
15
0.5
S
15
0.5
S
15
0.5
S
15
0.6
S
15
0.6
NW
18
0.6
NW
17
0.8
NNW
11
Energy kJ
36
36
37
203
200
25
19
25
10
10
29
28
81
127
18
17
72
112
110
110
163
199
222
160
Swell 3
Height (m)
Direction
Period (s)
0.2
SSE
11
0.2
SSE
11
0.2
SSE
11
0.4
SW
12
0.3
SSE
10
0.2
SSW
13
0.2
SSE
6
0.2
SSE
6
0.2
SSW
13
0.2
SSW
11
0.2
SSE
10
0.3
S
16
0.4
SE
9
0.4
SE
9
0.4
S
16
0.4
SSW
16
0.3
SSW
11
0.2
SSW
11
0.4
N
7
0.3
SSW
18
0.4
NW
18
0.5
S
16
0.5
S
16
0.4
SSW
16
Energy kJ
12
12
12
35
22
17
4
3
16
12
9
47
19
21
82
86
25
12
14
62
113
129
131
86
Wind waves
Height (m)
Direction
Period (s)
1
ENE
7
1.1
E
7
1.1
E
7
1.1
ENE
6
1.2
ENE
6
1.2
ENE
6
1.2
E
6
1.3
E
7
1.4
E
7
1.3
E
7
1.4
E
7
1.4
E
7
1.5
E
7
1.6
E
7
1.8
E
7
1.6
E
7
1.4
E
7
1.4
ENE
7
1.7
E
7
1.9
E
7
1.7
E
8
1.5
E
8
Energy kJ
111
127
121
98
84
84
115
145
173
152
176
181
200
233
315
261
194
208
262
366
329
265
Nearest Offshore or Glassy
Rating
(10 max)
1
2
2
2
1
1
2
2
2
2
2
2
1
2
2
2
3
2
2
2
3
3
3
3
Distance (km)
0
2
2
2
158
158
8
8
2
3
9
8
158
12
8
8
8
8
8
12
15
16
8
2
Best forecast wave conditions in Oahu
Rating
(10 max)
2
2
2
2
2
2
2
2
2
2
2
2
2
3
2
2
2
3
3
3
3
Best forecast wave conditions in United States
Rating
(10 max)
3
4
2
2
2
2
3
2
2
3
2
2
2
2
2
2
4
3
2
2
3
3
4
4
Header Global
Rating
(10 max)
5
8
7
6
5
5
5
5
5
5
6
6
6
6
7
5
5
5
5
5
9
7
5
5
  • 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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