Keaulanas surfForecast / HAW – Oahu / USA

information circle16 Day Weather and Surf, issued 7 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)

Keaulanas surf forecast from 31 May 2026:

  • Best quality surf: Tuesday 2 Jun, 2AM (local time) - 3.5ft (1.0m), 16s period, S swell with offshore winds.
  • Most powerful swell: Tuesday 2 Jun, 8PM (local time) - 5ft (1.5m), 18s period, S swell with 1,421 kJ wave energy.
  • Next surfable swell (1★+): Sunday 31 May, 2PM (local time) - 2.5ft (0.8m), 15s period with SSW swell.

Best Forecast Surf Conditions for Keaulanas this week:

The surf forecast for Keaulanas over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (May 31) at 2PM. The primary swell is predicted to be 0.8m and 15s period with a secondary swell of 0.5m and 9s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Keaulanas in the next 16 days are 1.5m 18s and forecast to arrive on Tuesday (Jun 02) at 8PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 8s period and expected on Saturday (Jun 06) at 5AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 2PM (Sun 31st May)2.5ft (0.8m) 15s
Best Surf 2AM (Tue 2nd Jun)3.5ft (1.0m) 16s
Most Powerful 8PM (Tue 2nd Jun)5ft (1.5m) 18s

Table - best surf conditions forecast for Keaulanas over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Some drizzle, heaviest during Sun afternoon. Warm (max 26°C on Mon afternoon, min 23°C on Sun night). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Warm (max 26°C on Wed afternoon, min 23°C on Wed night). Mainly fresh winds.

Sunday
31
Monday
1
Tuesday
2
Wednesday
3
Thursday
4
Friday
5
Saturday
6
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
2
3
3
3
4
3
3
4
2
1
1
1
1
1
0
1
0
0
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.8
SSW
15
0.8
SSW
15
0.7
S
19
0.8
S
18
1
S
18
1
S
16
1.2
S
16
1.1
S
16
1.2
SSW
18
1.4
SSW
16
1.3
SSW
16
1.2
SSW
16
1.1
SSW
15
1
S
14
1.1
N
12
1
N
12
0.9
N
11
0.6
S
13
0.5
S
13
0.5
S
13
0.4
SSW
12
Wave Graph
Metric surfscale
Energy kJ
300
284
365
408
632
548
752
620
919
1055
882
730
558
423
362
280
205
126
87
86
50
Wind (km/h)
0
NW
0
SW
10
NE
10
ENE
15
ENE
15
ENE
15
ENE
25
ENE
15
E
30
E
25
ENE
25
ENE
30
E
30
ENE
25
ENE
25
ENE
30
ENE
25
ENE
25
ENE
30
ENE
20
ENE
glassy
glassy
off
cross-off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
off
High Tide
4:26PM0.72m
3:42AM0.23m
5:03PM0.71m
4:17AM0.22m
5:40PM0.70m
4:58AM0.21m
6:18PM0.68m
5:53AM0.20m
6:55PM0.65m
7:11AM0.21m
7:32PM0.62m
8:53AM0.25m
8:09PM0.58m
Low Tide
8:36AM0.04m
00:07AM0.17m
9:08AM0.05m
00:52AM0.17m
9:41AM0.05m
1:38AM0.17m
10:13AM0.07m
2:23AM0.17m
10:46AM0.11m
3:03AM0.16m
11:23AM0.16m
3:35AM0.15m
12:15PM0.22m
4:02AM0.13m
part cloud
rain showers
clear
clear
part cloud
part cloud
part cloud
clear
part cloud
clear
clear
clear
part cloud
clear
clear
clear
clear
part cloud
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:50
5:50
5:48
5:48
5:48
5:48
5:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:09
7:09
7:10
7:10
7:12
7:12
7:12
1
Temp °C
25
25
25
25
26
25
25
26
25
25
26
24
25
26
24
25
25
23
25
25
23
28
28
27
27
28
26
25
25
25
23
24
23
23
23
22
23
22
20
22
21
20
Swell 1
Height (m)
Direction
Period (s)
0.8
SSW
15
0.8
SSW
15
0.9
SSW
14
0.8
S
18
1
S
18
1
S
16
1.2
S
16
1.1
S
16
1.2
SSW
18
1.4
SSW
16
1.3
SSW
16
1.2
SSW
16
1.1
SSW
15
1
N
12
1.1
N
12
1
N
12
0.9
N
11
0.7
N
11
0.5
N
10
0.5
S
13
0.4
SSW
12
Energy kJ
300
284
346
408
632
548
752
620
919
1055
882
730
558
266
362
280
205
114
49
86
50
Swell 2
Height (m)
Direction
Period (s)
0.7
NNE
8
0.7
N
9
0.7
S
19
0.7
S
14
0.7
N
9
0.7
S
21
0.9
S
20
0.8
SSW
19
0.8
NNW
10
0.7
NNW
9
0.6
NNW
9
0.7
NNW
11
0.9
NNW
11
1
S
14
0.8
SSW
14
0.7
SSW
14
0.6
SSW
14
0.6
S
13
0.5
S
13
0.4
N
10
0.4
SE
8
Energy kJ
52
76
365
195
87
436
611
497
133
88
65
130
205
423
273
204
143
126
87
31
16
Swell 3
Height (m)
Direction
Period (s)
0.5
NNW
9
0.3
S
11
0.6
N
10
0.6
NNW
10
0.6
SSW
13
0.6
S
13
0.6
N
12
0.8
NNW
11
0.8
SSW
14
0.1
SE
8
0.2
SSE
8
0.4
SE
8
0.4
SE
9
0.4
SSE
8
0.2
SSE
9
0.3
SSE
9
0.2
NNW
9
0.2
SSE
6
0.3
SE
6
0.2
SSE
7
0.3
N
10
Energy kJ
48
20
75
75
137
125
106
164
276
3
6
23
19
28
8
15
8
3
5
4
16
Wind waves
Height (m)
Direction
Period (s)
0.4
ENE
7
0.5
NNE
8
0.8
E
8
0.5
ENE
7
0.6
NE
6
0.7
NE
5
0.9
NE
6
0.7
NE
6
0.9
ENE
7
0.9
ENE
7
0.9
ENE
6
0.9
ENE
6
1.2
ENE
5
1
ENE
7
1.3
ENE
7
1.1
ENE
7
1.1
NE
7
1
NE
7
1.2
NE
7
1
NE
6
Energy kJ
21
33
74
28
19
29
44
38
66
73
64
59
61
111
164
127
116
93
135
79
Nearest Offshore or Glassy
Rating
(10 max)
2
2
3
3
3
4
4
4
4
1
3
3
3
2
3
2
2
1
1
1
1
Distance (km)
0
0
0
0
0
0
2
2
0
5
5
5
6
9
5
5
11
5
6
11
0
Best forecast wave conditions in Oahu
Rating
(10 max)
2
2
3
3
3
4
4
4
4
1
3
3
3
2
3
2
2
1
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
2
2
4
4
3
4
4
4
4
1
4
4
4
2
5
2
2
4
1
1
4
Header Global
Rating
(10 max)
5
5
4
5
5
4
4
5
5
5
4
5
5
6
9
9
7
9
9
9
9
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Keaulanas Surf forecast

The above surf forecast table for Keaulanas provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Keaulanas can be found by selecting the local surf guide option on the grey menu. Our Keaulanas surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Keaulanas) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Keaulanas may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Keaulanas is 7 km (4 miles) from Makakilo City. If you plan a vacation in Oahu, look for hotels and other accommodation in Makakilo City. Makakilo City has rooms for a wide range of budgets as well as car hire and transport links.

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