Power Plant surfForecast / HAW – Oahu / USA

information circle48hr Weather and Surf, issued 1 pm Saturday 16 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 6PM is: 0.6m 14s primary swell from a South-southwest direction (forecast issued at 01:00pm May 16). An open ocean swell of 1.1m 8s is not directed at the surf break, a second open ocean swell of 0.6m 11s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (16 May)2ft (0.6m)15s
Afternoon (16 May)2ft (0.6m)15s
Evening (16 May)2ft (0.6m)14s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 4mm), mostly falling on Sat afternoon. Warm (max 27°C on Sun morning, min 24°C on Sat night). Wind will be generally light.

Sat
16
Sunday
17
Monday
18
Tue
19
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
5 AM
8 AM
Rating
(10 max)
1
1
0
0
0
2
2
1
0
2
2
2
2
1
1
1
2
2
1
1
1
1
2
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)
0.6
SSW
15
0.6
SSW
15
0.6
SSW
14
0.6
SSW
14
0.5
SSE
12
0.7
SSW
15
0.6
SSW
14
0.9
SSE
9
0.6
SSE
11
0.8
SSW
15
0.8
SSW
15
0.8
SSW
15
0.8
SSW
15
0.8
SSW
14
0.8
SSW
14
0.8
SSW
14
0.8
SSW
14
0.8
SSW
14
0.8
SSW
14
0.7
SSW
14
0.8
SSW
14
0.7
SSW
14
0.9
SSW
18
0.7
SSW
18
Wave Graph
Metric surfscale
Energy kJ
152
144
140
138
78
191
138
135
78
246
249
246
242
236
233
233
233
229
213
163
207
161
480
273
Wind (km/h)
5
S
5
W
5
WSW
5
SSW
5
ENE
0
ENE
10
NNE
15
ENE
10
E
20
ENE
20
E
20
ENE
20
ENE
20
ENE
15
E
15
ENE
20
ENE
25
E
25
ENE
20
ENE
20
ENE
20
ENE
25
ENE
25
ENE
glassy
glassy
on
cross-on
glassy
glassy
cross-off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
High Tide
4:08PM0.82m
3:24AM0.25m
4:54PM0.83m
4:11AM0.22m
5:43PM0.81m
5:06AM0.20m
Low Tide
8:28AM-0.03m
11:34PM0.15m
9:05AM-0.03m
00:36AM0.15m
9:45AM-0.02m
1:40AM0.14m
clear
thunderstorm
thunderstorm
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
part cloud
part cloud
thunderstorm
clear
part cloud
part cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:52
5:52
5:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:04
7:04
7:04
7:05
1
1
1
1
Temp °C
25
26
26
25
25
25
24
25
27
27
27
25
24
24
24
24
25
26
26
24
24
24
24
24
28
29
29
27
28
29
26
26
28
26
27
25
24
24
25
24
25
25
25
23
24
23
23
23
Swell 1
Height (m)
Direction
Period (s)
1.2
E
8
1.1
ENE
8
1.1
ENE
8
1.1
E
8
1
E
8
1
ENE
8
0.9
SSE
9
0.9
ENE
8
0.9
ENE
8
0.9
ENE
8
1
E
8
0.9
ENE
8
1
ENE
8
1.1
ENE
8
1.3
ENE
8
1.3
ENE
8
1.2
E
8
1.2
E
8
1.2
E
8
0.7
SSW
14
1.2
E
8
1.1
E
8
1.1
E
8
1.1
E
8
Energy kJ
181
167
167
165
137
144
138
119
122
122
140
125
151
157
211
229
190
190
190
163
186
161
157
153
Swell 2
Height (m)
Direction
Period (s)
0.6
NW
11
0.6
NNW
11
0.6
NNW
11
0.6
NNW
11
0.5
SSE
12
0.9
SE
9
0.9
ENE
8
0.9
SSE
9
0.7
SSE
7
0.8
SSW
15
0.8
SSW
15
0.8
SSW
15
0.8
SSW
15
0.8
SSW
14
0.8
SSW
14
0.8
SSW
14
0.8
SSW
14
0.8
SSW
14
0.8
SSW
14
0.4
SSE
7
0.8
SSW
14
0.7
SSW
14
0.9
SSW
18
0.8
SSW
14
Energy kJ
96
79
78
76
78
128
112
135
46
246
249
246
242
236
233
233
233
229
213
19
207
161
480
226
Swell 3
Height (m)
Direction
Period (s)
0.6
SSW
15
0.6
SSW
15
0.6
SSW
14
0.6
SSW
14
0.6
NNW
10
0.7
SSW
15
0.6
SSW
14
0.6
NNW
10
0.6
SSE
11
0.7
SSE
7
0.6
SSE
7
0.5
SSE
7
0.5
SSE
7
0.5
SSE
7
0.5
SSE
7
0.5
SSE
7
0.7
SSE
10
0.7
SSE
10
0.4
SSE
6
0.4
SE
10
0.4
SSE
7
0.4
SSW
17
0.5
SSE
10
0.7
SSW
18
Energy kJ
152
144
140
138
71
191
138
69
78
47
37
30
30
29
29
28
88
88
16
25
18
94
55
273
Wind waves
Height (m)
Direction
Period (s)
0.4
NE
3
1.3
E
8
Energy kJ
2
217
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
2
1
2
2
1
1
2
2
2
2
1
1
1
2
2
1
1
1
1
2
2
Distance (km)
0
0
3
19
2
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Best forecast wave conditions in Oahu
Rating
(10 max)
2
2
3
2
2
2
2
1
1
2
2
2
2
2
2
2
2
2
2
2
2
2
3
3
Best forecast wave conditions in United States
Rating
(10 max)
2
2
3
2
2
2
9
2
1
4
5
7
4
4
5
4
4
4
4
4
4
4
4
3
Header Global
Rating
(10 max)
5
5
4
4
6
9
9
7
4
4
5
7
5
4
5
4
4
4
4
5
5
4
4
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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