Keaulanas surfForecast / HAW – Oahu / USA

information circle48hr Weather and Surf, issued 1 am Sunday 31 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
25.3° C
(Which is normal for this time of year)

How big are the waves at Keaulanas today (31 May):

  • Morning surf: Morning surf (31 May, local time) - 3ft (0.9m), 15s period with SSW swell.
  • Afternoon surf: Afternoon surf (31 May, local time) - 2.5ft (0.8m), 15s period with SSW swell.
  • Evening surf: Evening surf (31 May, local time) - 2.5ft (0.8m), 14s period with SSW swell.

The current surf forecast for Keaulanas at 6AM is: 0.9m 16s primary swell from a South-southwest direction (forecast issued at 01:00am May 31). An open ocean swell of 0.9m 9s 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 (31 May)3ft (0.9m)15s
Afternoon (31 May)2.5ft (0.8m)15s
Evening (31 May)2.5ft (0.8m)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 3mm), mostly falling on Sun afternoon. Warm (max 26°C on Mon afternoon, min 23°C on Sun night). Wind will be generally light.

Sunday
31
Monday
1
Tuesday
2
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)
2
2
2
2
2
2
2
3
3
3
3
3
3
3
3
3
4
4
4
3
3
2
3
3
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.9
SSW
16
0.9
SSW
16
0.9
SSW
15
0.8
SSW
15
0.8
SSW
15
0.8
SSW
15
0.8
SSW
14
0.6
S
19
0.7
S
19
0.7
S
19
0.7
S
19
0.8
S
18
0.9
SSW
18
1
S
18
0.9
SSW
18
1
S
17
1
S
16
0.9
S
20
0.9
S
20
1.2
S
16
1.2
S
16
1.1
S
16
1.5
S
18
1.3
S
18
Wave Graph
Metric surfscale
Energy kJ
416
406
395
300
288
284
276
276
365
361
347
408
528
632
510
596
548
618
635
752
762
620
1421
1051
Wind (km/h)
10
ENE
10
ENE
10
ENE
0
N
5
ESE
5
ESE
10
NE
10
ENE
10
NE
10
ENE
15
ENE
10
ENE
10
E
15
ENE
15
ENE
20
ENE
15
ENE
15
ENE
20
ENE
20
ENE
25
ENE
25
ENE
25
ENE
20
ENE
off
off
cross-off
glassy
glassy
glassy
off
off
off
off
cross-off
cross-off
cross-off
cross-off
off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
3:07AM0.24m
4:26PM0.72m
3:42AM0.23m
5:03PM0.71m
4:17AM0.22m
5:40PM0.70m
Low Tide
11:25PM0.17m
8:36AM0.04m
00:07AM0.17m
9:08AM0.05m
00:52AM0.17m
9:41AM0.05m
part cloud
part cloud
part cloud
clear
rain showers
part cloud
rain showers
clear
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
cloud
part cloud
part cloud
rain showers
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:50
5:50
5:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:09
7:09
7:10
1
1
1
Temp °C
24
23
24
25
25
25
25
24
24
23
24
25
26
26
25
24
24
24
24
25
26
26
24
24
25
24
26
28
27
28
27
25
26
24
25
26
27
27
26
24
25
25
24
25
25
25
23
24
Swell 1
Height (m)
Direction
Period (s)
0.9
NNE
9
0.9
NNE
9
0.9
SSW
15
0.8
SSW
15
0.8
SSW
15
0.8
SSW
15
0.8
SSW
14
0.8
SSW
14
0.9
SSW
14
0.8
SSW
14
0.8
N
10
0.8
S
18
0.9
SSW
18
1
S
18
0.9
SSW
18
1
S
17
1
S
16
0.9
S
20
1.1
S
16
1.2
S
16
1.2
S
16
1.1
S
16
1.5
S
18
1.3
S
18
Energy kJ
138
132
395
300
288
284
276
276
346
273
123
408
528
632
510
596
548
618
635
752
762
620
1421
1051
Swell 2
Height (m)
Direction
Period (s)
0.9
SSW
16
0.9
SSW
16
0.5
NNW
9
0.7
NE
8
0.5
NNW
9
0.7
N
9
0.5
N
11
0.6
S
19
0.7
S
19
0.7
N
10
0.7
S
19
0.7
S
14
0.7
N
10
0.7
N
9
0.7
N
9
0.7
N
9
0.7
S
21
0.8
SSW
16
0.9
S
20
0.9
S
20
0.8
SSW
20
0.8
NNW
11
0.9
NNW
11
0.8
NNW
10
Energy kJ
416
406
50
60
47
76
59
273
365
94
347
195
90
87
81
79
436
346
611
611
507
164
194
141
Swell 3
Height (m)
Direction
Period (s)
0.4
S
11
0.4
S
11
0.5
N
8
0.5
NNW
9
0.5
NE
7
0.4
ENE
7
0.5
NNE
8
0.6
N
11
0.6
N
10
0.7
S
19
0.7
S
14
0.6
NNW
10
0.7
S
14
0.6
SSW
13
0.6
S
13
0.6
S
13
0.6
S
13
0.6
S
13
0.5
N
9
0.6
N
12
0.7
NE
6
0.8
SSW
19
0.1
SE
9
0.8
SSW
14
Energy kJ
39
37
34
48
23
21
33
83
75
361
200
75
181
137
125
125
125
126
39
106
30
497
3
276
Wind waves
Height (m)
Direction
Period (s)
0.5
NE
7
0.5
N
8
0.5
NNE
8
0.4
NE
4
0.8
E
8
0.9
ENE
8
0.9
E
7
0.4
ENE
7
0.4
ENE
7
0.4
ENE
7
0.6
NE
5
0.6
NE
5
0.6
ENE
5
0.7
NE
5
0.9
E
6
0.9
E
6
0.7
NE
6
0.7
NE
6
Energy kJ
27
29
33
4
74
94
88
19
19
18
17
18
19
27
68
68
32
33
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
2
2
2
2
3
3
3
3
3
3
3
3
3
4
4
4
4
4
3
4
4
Distance (km)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
5
2
2
Best forecast wave conditions in Oahu
Rating
(10 max)
3
3
2
2
2
2
2
3
3
3
3
3
3
3
3
3
4
4
4
4
4
4
4
4
Best forecast wave conditions in United States
Rating
(10 max)
4
5
2
2
4
3
3
4
4
4
3
3
3
4
4
4
4
4
4
4
4
4
4
4
Header Global
Rating
(10 max)
6
6
5
5
5
5
5
5
4
5
5
5
5
5
5
5
4
4
4
5
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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