Keaulanas surfForecast / HAW – Oahu / USA

information circle48hr Weather and Surf, issued 1 am Saturday 16 May 2026 HST
Forecast update in hr  min  s Forecast update imminent
Keaulanas surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Keaulanas sea temperature is
25.4° C
(Which is normal for this time of year)

How big are the waves at Keaulanas today?

The current surf forecast for Keaulanas at 9AM is: 0.6m 16s primary swell from a South-southwest direction and 0.6m 11s secondary swell from a Northwest direction (forecast issued at 01:00am May 16). An open ocean swell of 0.8m 8s 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 (16 May)2ft (0.6m)16s
Afternoon (16 May)1.5ft (0.5m)14s
Evening (16 May)2ft (0.6m)14s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 2mm), mostly falling on Sat afternoon. Warm (max 27°C on Sun afternoon, min 24°C on Sat morning). Wind will be generally light.

Saturday
16
Sunday
17
Monday
18
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
1
2
2
1
1
2
1
1
1
1
1
1
1
1
1
1
2
2
1
1
0
1
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.7
NW
11
0.7
NW
11
0.6
SSW
16
0.6
SSW
15
0.5
SW
14
0.5
SW
14
0.6
SSW
14
0.4
SSW
17
0.6
NNW
10
0.6
NNW
10
0.5
SW
14
0.6
NNW
10
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
0.6
SSW
19
0.6
SSW
19
0.7
SSW
14
0.7
SSW
14
0.7
SSW
14
Wave Graph
Metric surfscale
Energy kJ
126
123
162
152
102
103
138
109
69
69
100
68
249
249
246
242
239
236
233
251
251
212
163
161
Wind (km/h)
10
ENE
5
E
10
ESE
5
SE
5
SSE
5
E
5
E
5
NE
5
NE
10
NE
10
ENE
15
ENE
20
E
20
E
20
ENE
20
ENE
20
E
15
E
15
ENE
20
ENE
25
ENE
25
ENE
25
ENE
20
ENE
cross-off
cross-off
cross-off
glassy
glassy
glassy
glassy
glassy
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
2:40AM0.29m
4:08PM0.82m
3:24AM0.25m
4:54PM0.83m
4:11AM0.22m
5:43PM0.81m
Low Tide
8:28AM-0.03m
11:34PM0.15m
9:05AM-0.03m
00:36AM0.15m
9:45AM-0.02m
part cloud
part cloud
clear
part cloud
part cloud
thunderstorm
rain showers
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
cloud
cloud
cloud
part cloud
clear
clear
clear
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:54
5:52
5:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:04
7:04
7:05
1
1
Temp °C
24
24
24
26
26
26
25
25
24
24
24
26
27
26
25
24
24
24
24
26
26
26
24
24
26
26
26
29
29
29
28
29
27
27
26
27
27
26
25
24
24
25
24
26
25
25
23
24
Swell 1
Height (m)
Direction
Period (s)
0.7
NW
11
0.7
NW
11
0.8
NE
8
0.8
NE
8
0.8
NE
8
0.8
NE
8
0.8
NE
8
0.8
NE
8
0.7
NE
8
0.8
SSE
11
0.7
SSE
9
0.8
NE
8
0.7
NE
8
0.8
SSW
15
0.8
SSW
15
0.8
NE
7
0.8
NE
7
0.9
NE
7
0.9
NE
7
0.8
SSW
14
0.8
SSW
14
0.7
SSW
14
0.7
SSW
14
0.7
SSW
14
Energy kJ
126
123
79
82
69
67
67
67
55
133
71
75
63
249
246
54
67
86
77
233
229
168
163
161
Swell 2
Height (m)
Direction
Period (s)
0.7
NE
7
0.7
NE
7
0.7
NW
11
0.6
NW
11
0.6
NW
11
0.6
NNW
11
0.6
NNW
11
0.6
NNW
10
0.6
NNW
10
0.7
NE
8
0.6
NNW
10
0.6
SSE
8
0.8
SSW
15
0.7
NE
8
0.7
NE
8
0.8
SSW
15
0.8
SSW
14
0.8
SSW
14
0.8
SSW
14
0.6
SSW
19
0.6
SSW
19
0.5
SSW
19
0.4
SSE
10
0.4
NW
12
Energy kJ
54
56
123
96
94
78
75
71
69
57
69
40
249
63
63
242
239
236
233
251
251
212
38
35
Swell 3
Height (m)
Direction
Period (s)
0.4
SW
14
0.4
SSE
11
0.6
SSW
16
0.6
SSW
15
0.5
SW
14
0.5
SW
14
0.6
SSW
14
0.4
SSW
17
0.5
SSE
11
0.6
NNW
10
0.5
SW
14
0.6
NNW
10
0.5
SSE
7
0.5
SSE
7
0.5
SSE
7
0.4
SSE
7
0.4
SSE
7
0.4
SSE
7
0.4
SSE
7
0.5
SSE
10
0.4
SSE
10
0.4
SSE
10
0.4
NW
12
0.4
SSE
10
Energy kJ
48
38
162
152
102
103
138
109
71
69
100
68
31
31
31
18
17
16
15
57
39
38
37
38
Wind waves
Height (m)
Direction
Period (s)
0.6
NNE
6
0.9
NE
7
0.9
NE
7
0.9
NE
7
0.9
ENE
7
0.9
NE
7
Energy kJ
26
75
73
71
78
63
Nearest Offshore or Glassy
Rating
(10 max)
1
1
2
2
1
1
2
1
1
1
1
1
2
2
2
2
2
2
2
3
2
2
1
1
Distance (km)
0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
2
2
0
0
2
2
5
2
2
Best forecast wave conditions in Oahu
Rating
(10 max)
2
2
3
3
3
3
3
2
2
3
2
1
2
2
2
2
2
2
2
3
2
2
2
1
Best forecast wave conditions in United States
Rating
(10 max)
5
2
3
4
4
3
3
3
2
9
7
1
4
5
5
5
4
5
4
4
4
4
4
4
Header Global
Rating
(10 max)
5
5
6
5
4
4
4
6
9
9
7
4
4
5
7
5
4
5
5
4
4
4
4
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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