Ko Olina Resort surfForecast / HAW – Oahu / USA

information circle48hr Weather and Surf, issued 1 am Tuesday 19 May 2026 HST
Forecast update in hr  min  s Forecast update imminent
Ko Olina Resort surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Ko Olina Resort sea temperature is
25.7° C
(Which is slightly warmer than usual)

How big are the waves at Ko Olina Resort today?

The current surf forecast for Ko Olina Resort at 8AM is: 0.7m 18s primary swell from a South-southwest direction and 0.8m 14s secondary swell from a South-southwest direction (forecast issued at 01:00am May 19). An open ocean swell of 1.0m 8s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 2.

Time (HST) & DateWave HeightWave Period
Morning (19 May)2.5ft (0.7m)18s
Afternoon (19 May)2.5ft (0.8m)14s
Evening (19 May)2.5ft (0.8m)15s

Table - waves today at Ko Olina Resort. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 26°C on Tue afternoon, min 22°C on Thu night). Mainly strong winds.

Tuesday
19
Wednesday
20
Thursday
21
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
2
2
2
1
1
1
0
2
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.7
SSW
14
0.9
SSW
18
0.7
SSW
18
0.8
SSW
14
0.8
SSW
14
0.8
SSW
15
0.8
SSW
15
0.8
SSW
15
0.8
SSW
15
0.8
SSW
14
0.8
SSW
14
0.6
SSW
14
0.6
SSW
14
0.6
SSW
14
0.5
SSW
14
0.4
SSW
17
0.4
SSW
17
0.5
S
16
0.5
S
16
0.5
S
16
0.5
S
16
0.5
S
16
0.6
SSW
15
0.6
SSW
15
Wave Graph
Metric surfscale
Energy kJ
161
480
273
229
236
246
252
242
252
233
236
163
158
149
105
101
101
135
134
134
131
126
172
169
Wind (km/h)
20
ENE
20
ENE
25
ENE
25
E
25
E
30
ENE
30
ENE
30
ENE
25
ENE
25
ENE
35
ENE
35
ENE
40
ENE
35
ENE
40
ENE
35
ENE
35
ENE
35
ENE
35
ENE
40
ENE
40
ENE
40
ENE
40
ENE
40
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
5:06AM0.20m
6:35PM0.78m
6:18AM0.19m
7:28PM0.72m
8:01AM0.20m
8:22PM0.66m
Low Tide
1:40AM0.14m
10:27AM0.02m
2:45AM0.14m
11:14AM0.07m
3:42AM0.13m
12:10PM0.14m
clear
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
clear
clear
part cloud
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>
5:52
5:52
5:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:05
7:05
7:06
Temp °C
24
24
24
25
26
26
24
24
24
24
24
25
25
25
23
23
23
23
24
25
25
24
23
23
23
24
23
24
24
24
22
22
23
23
21
22
21
21
19
19
19
19
20
20
20
19
18
18
Swell 1
Height (m)
Direction
Period (s)
1.1
E
8
1.1
E
8
1
E
8
0.9
ENE
8
0.9
E
8
1
E
8
0.8
SSW
15
0.8
SSW
15
0.8
SSW
15
1.3
E
8
0.8
SSW
14
0.6
SSW
14
0.6
SSW
14
0.6
SSW
14
0.5
SSW
14
0.5
NNW
10
0.5
SSW
13
0.5
SSW
13
0.5
S
16
0.5
S
16
0.5
S
16
0.5
S
16
0.6
SSW
15
0.6
SSW
15
Energy kJ
157
157
134
109
103
131
252
242
252
223
236
163
158
149
105
63
101
102
134
134
131
126
172
169
Swell 2
Height (m)
Direction
Period (s)
0.7
SSW
14
0.9
SSW
18
0.8
SSW
14
0.8
SSW
14
0.8
SSW
14
0.8
SSW
15
0.6
NNW
11
0.6
NNW
11
0.6
NNW
11
0.8
SSW
14
0.5
NW
10
0.6
NNW
10
0.7
NNW
10
0.5
NNW
11
0.5
NNW
11
0.5
SSW
13
0.5
NNW
10
0.5
S
16
0.5
SSW
13
0.4
SSW
13
0.3
NNW
10
0.4
SE
13
0.4
SE
13
0.4
SE
13
Energy kJ
161
480
226
229
236
246
76
78
75
233
49
69
95
64
64
101
57
135
101
60
19
44
43
42
Swell 3
Height (m)
Direction
Period (s)
0.4
SSE
7
0.4
SSE
6
0.7
SSW
18
0.6
SSW
18
0.6
NNW
12
0.5
SSE
9
0.4
SSE
7
0.4
SE
7
0.4
SSE
9
0.7
NNW
10
0.3
NNW
12
0.3
SSW
18
0.3
SSW
18
0.4
SE
7
0.3
SSW
18
0.4
SSW
17
0.4
SSW
17
0.4
NNW
10
0.4
NNW
10
0.4
NW
10
0.4
SE
13
0.3
NNW
10
0.3
NNW
10
0.3
NNW
10
Energy kJ
18
17
273
207
91
50
20
12
34
94
28
63
62
12
61
100
92
38
38
24
44
18
18
18
Wind waves
Height (m)
Direction
Period (s)
1.3
ENE
8
0.9
ENE
8
1.2
ENE
8
1.3
ENE
8
1.3
ENE
8
1.3
E
8
1.7
E
7
1.8
E
8
1.7
E
8
1.7
E
8
1.8
E
8
2
E
8
2.1
E
8
2.1
E
8
2.1
E
8
2.4
E
8
2.4
E
8
2.3
E
8
2.2
E
8
Energy kJ
186
102
192
218
223
219
263
371
383
403
443
555
597
597
597
765
771
727
682
Nearest Offshore or Glassy
Rating
(10 max)
1
2
2
2
1
2
2
1
2
1
2
2
2
2
1
1
1
1
1
3
1
1
1
1
Distance (km)
0
0
0
0
0
2
2
2
0
0
10
10
17
18
21
21
22
156
157
179
156
186
277
159
Best forecast wave conditions in Oahu
Rating
(10 max)
2
2
2
2
2
2
2
2
2
2
2
2
2
2
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
4
4
4
3
3
4
4
4
3
3
3
3
2
4
3
3
3
3
1
3
1
4
3
4
Header Global
Rating
(10 max)
4
4
4
5
5
5
5
4
4
4
5
5
4
4
5
5
4
4
5
4
5
5
6
7
  • 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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