Keaulanas surfForecast / HAW – Oahu / USA

information circle16 Day Weather and Surf, issued 1 am Tuesday 26 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)

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 Wednesday (May 27) at 5AM. The primary swell is predicted to be 1.1m and 15s 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 1.4m 7s period and expected on Tuesday (May 26) at 5PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Wed 27th May)3.5ft (1.1m) 15s
Best Surf 5AM (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

Some drizzle, heaviest during Thu morning. Warm (max 25°C on Tue morning, min 22°C on Wed morning). Mainly fresh winds.

Days 4-6 Weather Summary

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

Tuesday
26
Wednesday
27
Thursday
28
Friday
29
Saturday
30
Sunday
31
Monday
1
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
2
3
2
2
2
0
3
2
1
2
3
3
2
2
1
3
3
2
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
S
16
0.6
NW
18
0.8
NW
16
1
NW
14
1.1
NW
14
1
NW
13
0.9
NW
12
0.9
NW
12
0.7
S
21
0.9
S
20
1
S
19
1
S
18
1
S
17
0.9
S
16
0.9
SSW
16
0.8
SSW
15
0.8
SSW
15
0.7
S
19
0.8
S
18
0.9
SSW
18
0.7
S
21
Wave Graph
Metric surfscale
Energy kJ
178
258
357
387
416
330
244
209
445
624
730
627
596
427
416
300
284
365
408
516
448
Wind (km/h)
25
ENE
30
ENE
25
ENE
20
ENE
25
ENE
25
ENE
25
ENE
25
ENE
20
ENE
20
ENE
25
ENE
20
ENE
15
ENE
20
NE
15
ENE
15
ENE
15
ENE
15
ENE
15
ENE
20
ENE
20
ENE
cross-off
off
cross-off
off
off
off
off
cross-off
off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
off
off
cross-off
off
High Tide
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
4:26PM0.72m
3:42AM0.23m
5:03PM0.71m
4:17AM0.22m
Low Tide
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
8:36AM0.04m
00:07AM0.17m
9:08AM0.05m
00:52AM0.17m
clear
clear
clear
part cloud
part cloud
part cloud
rain showers
clear
clear
part cloud
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
rain showers
rain showers
<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
7:08
7:08
7:09
7:09
7:09
1
2
3
Temp °C
25
25
23
24
25
23
24
25
23
25
26
24
25
26
24
25
26
24
25
26
24
23
22
20
23
23
21
22
23
22
24
24
23
24
25
23
26
26
24
26
26
24
Swell 1
Height (m)
Direction
Period (s)
0.6
S
16
0.6
NW
18
0.8
NW
16
1
NW
14
1.1
NW
14
1
NW
13
0.9
NW
12
0.9
NW
12
0.9
NW
11
1
NE
10
1
S
19
1
S
18
1
S
17
0.9
S
16
0.9
SSW
16
0.8
SSW
15
0.8
SSW
15
0.8
SSW
14
0.8
S
18
0.9
SSW
18
0.9
SSW
16
Energy kJ
178
258
357
387
416
330
244
209
189
188
730
627
596
427
416
300
284
276
408
516
448
Swell 2
Height (m)
Direction
Period (s)
0.4
SE
6
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
0.7
S
21
0.9
S
20
0.7
NNW
11
0.7
NNW
11
0.9
NE
8
0.6
NNW
10
0.8
NNE
8
0.6
NE
7
0.6
N
8
0.7
S
19
0.7
SSW
14
0.8
NNE
9
0.9
NNE
9
Energy kJ
9
73
150
144
129
121
105
103
445
624
109
101
84
75
76
33
45
365
204
113
113
Swell 3
Height (m)
Direction
Period (s)
0.3
NW
20
0.3
S
16
0.2
NNW
9
0.4
SE
8
0.4
SE
6
0.3
SSE
6
0.4
NNE
12
0.4
N
11
0.6
S
12
0.7
NW
11
0.5
S
11
0.6
S
13
0.6
NNW
10
0.5
S
12
0.5
NNW
10
0.5
N
8
0.4
NNW
9
0.5
N
10
0.5
N
10
0.6
S
13
0.7
S
21
Energy kJ
60
45
8
17
9
7
47
35
98
133
60
117
77
70
54
34
28
53
49
126
436
Wind waves
Height (m)
Direction
Period (s)
1.1
NE
8
1.4
NE
7
1.1
NE
7
1
NE
7
1.1
NE
7
1.1
NE
7
0.9
NE
7
1
NE
7
0.8
NE
7
1.1
E
7
1.1
NE
8
0.9
NE
7
0.9
E
7
0.9
NE
8
0.9
E
8
0.5
ENE
7
0.7
NE
8
0.7
NE
7
0.9
E
7
1
E
7
Energy kJ
141
223
136
94
123
102
77
84
57
117
131
89
86
91
90
30
64
56
86
97
Nearest Offshore or Glassy
Rating
(10 max)
1
1
2
3
3
2
2
2
3
3
1
3
3
3
2
2
2
3
3
3
3
Distance (km)
5
162
2
0
6
0
0
5
0
2
5
2
0
0
0
0
2
0
0
2
0
Best forecast wave conditions in Oahu
Rating
(10 max)
2
3
3
3
2
2
2
3
3
3
3
3
3
3
2
2
3
3
3
3
Best forecast wave conditions in United States
Rating
(10 max)
2
1
4
3
3
4
4
4
4
4
3
3
3
3
4
4
2
4
3
3
4
Header Global
Rating
(10 max)
6
7
7
9
6
9
9
6
5
5
5
5
8
7
6
4
5
6
6
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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