Keaulanas surfForecast / HAW – Oahu / USA

information circle16 Day Weather and Surf, issued 1 am Sunday 24 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
25.5° C
(Which is normal for this time of year)

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 24) at 5AM. The primary swell is predicted to be 0.7m and 13s period with a secondary swell of 0.6m and 14s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Keaulanas in the next 16 days are 1.0m 19s and forecast to arrive on Friday (May 29) at 5PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 8s period and expected on Sunday (May 24) at 5PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Sun 24th May)2.5ft (0.7m) 13s
Best Surf 8AM (Wed 27th May)3.5ft (1.1m) 15s
Most Powerful 5PM (Fri 29th May)3.5ft (1.0m) 19s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 25°C on Sun afternoon, min 22°C on Sun night). Mainly fresh winds.

Days 4-6 Weather Summary

Mostly dry. Warm (max 26°C on Fri afternoon, min 23°C on Wed morning). Wind will be generally light.

Sunday
24
Monday
25
Tuesday
26
Wednesday
27
Thursday
28
Friday
29
Saturday
30
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
1
1
0
0
0
0
0
2
1
1
3
2
0
2
2
2
2
2
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)
0.7
NW
12
0.7
NW
12
0.6
S
14
0.6
S
14
0.5
S
13
0.5
S
13
0.6
S
16
0.7
NW
18
0.8
NW
16
1
NW
14
1.1
NW
14
0.9
NW
13
0.9
NW
12
0.9
NW
12
0.7
S
21
0.9
S
20
1
S
19
1
S
18
0.9
SSW
17
0.9
S
16
0.9
SSW
16
Wave Graph
Metric surfscale
Energy kJ
152
144
140
142
87
84
178
311
352
382
416
286
244
248
445
624
730
627
487
427
416
Wind (km/h)
30
ENE
30
ENE
25
ENE
25
ENE
30
ENE
25
ENE
30
ENE
30
ENE
25
ENE
25
ENE
30
ENE
20
ENE
20
ENE
25
ENE
25
ENE
25
E
25
ENE
20
ENE
20
E
25
ENE
20
ENE
cross-off
off
off
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
12:27PM0.43m
10:55PM0.47m
1:08PM0.51m
11:42PM0.41m
1:43PM0.59m
00:27AM0.36m
2:15PM0.64m
1:11AM0.31m
2:46PM0.68m
1:52AM0.28m
3:18PM0.71m
2:31AM0.26m
3:51PM0.72m
3:07AM0.24m
Low Tide
5:26PM0.31m
5:58AM0.08m
7:02PM0.30m
6:22AM0.07m
8:16PM0.27m
6:45AM0.07m
9:14PM0.24m
7:10AM0.06m
10:02PM0.21m
7:37AM0.05m
10:44PM0.19m
8:06AM0.05m
11:25PM0.17m
clear
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
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
5:50
5:50
5:50
5:50
5:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:07
7:07
7:07
7:07
7:08
7:08
7:09
Temp °C
24
25
23
25
25
23
25
25
23
24
25
23
24
25
23
25
26
24
26
26
24
20
22
20
22
22
21
22
22
20
21
22
20
23
23
21
22
24
23
25
24
23
Swell 1
Height (m)
Direction
Period (s)
0.7
NW
12
0.7
NW
12
0.6
NW
11
0.6
S
14
0.5
S
13
0.5
S
13
0.6
S
16
0.7
NW
18
0.8
NW
16
1
NW
14
1.1
NW
14
0.9
NW
13
0.9
NW
12
0.9
NW
12
1
NE
11
0.9
S
20
1
S
19
1
S
18
0.9
SSW
17
0.9
S
16
0.9
NNE
9
Energy kJ
152
144
99
142
87
84
178
311
352
382
416
286
244
248
224
624
730
627
487
427
153
Swell 2
Height (m)
Direction
Period (s)
0.5
S
14
0.5
S
13
0.6
S
14
0.5
NW
11
0.5
NW
11
0.4
NW
10
0.3
NW
20
0.5
S
12
0.6
S
15
0.6
S
14
0.6
S
14
0.6
S
13
0.6
S
12
0.6
S
12
0.9
NW
12
0.7
NW
12
0.7
NNW
11
0.6
S
13
0.9
NNE
8
0.5
NNW
10
0.9
SSW
16
Energy kJ
93
92
140
58
56
27
60
73
150
144
129
121
105
103
202
140
107
117
101
56
416
Swell 3
Height (m)
Direction
Period (s)
0.3
S
16
0.3
S
16
0.1
SW
20
0.1
SW
20
0.2
SSE
7
0.1
SE
7
0.4
NW
10
0.3
S
16
0.2
NNW
9
0.2
NNW
9
0.2
N
12
0.4
NNW
16
0.4
NNE
12
0.4
N
11
0.7
S
21
0.6
N
10
0.5
S
11
0.6
NNW
11
0.5
NNW
10
0.5
S
12
0.4
SSE
11
Energy kJ
46
46
16
15
4
2
24
45
8
8
12
99
46
35
445
70
60
78
57
71
40
Wind waves
Height (m)
Direction
Period (s)
1.4
NE
8
1.7
NE
8
1.4
NE
8
1.3
NE
8
1.3
NE
8
1.4
NE
8
1.3
NE
8
1.4
NE
7
1.1
NE
7
1.1
NE
7
1
NE
7
1.1
NE
7
1.1
NE
7
1
NE
7
1.1
E
7
0.9
ENE
7
1.2
NE
8
1.1
NE
8
0.9
NE
7
1
E
7
Energy kJ
283
382
266
214
233
229
181
199
136
115
104
99
99
93
117
75
164
128
91
97
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
2
1
2
2
2
3
3
2
2
3
3
3
3
3
1
2
Distance (km)
161
160
5
5
13
6
9
13
2
5
6
0
0
5
2
2
2
2
2
5
2
Best forecast wave conditions in Oahu
Rating
(10 max)
2
2
2
2
2
3
2
3
3
3
2
2
3
3
3
3
3
2
3
Best forecast wave conditions in United States
Rating
(10 max)
1
1
2
2
2
3
2
3
3
3
3
5
2
2
4
3
4
4
3
2
4
Header Global
Rating
(10 max)
5
5
4
4
4
9
6
7
7
8
6
7
9
8
5
5
5
5
5
6
6
  • 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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