Keaulanas surfForecast / HAW – Oahu / USA

information circle16 Day Weather and Surf, issued 7 pm Sunday 10 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 slightly warmer than usual)

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 Monday (May 11) at 2AM. The primary swell is predicted to be 1.0m and 12s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Keaulanas in the next 16 days are 1.4m 14s and forecast to arrive on Thursday (May 14) at 5PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 6s period and expected on Thursday (May 14) at 5PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Mon 11th May)3.5ft (1.0m) 12s
Best Surf 8AM (Mon 11th May)4.5ft (1.3m) 11s
Most Powerful 5PM (Thu 14th May)4.5ft (1.4m) 14s

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 26°C on Mon afternoon, min 23°C on Sun night). Mainly fresh winds.

Days 5-7 Weather Summary

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

Monday
11
Tuesday
12
Wednesday
13
Thursday
14
Friday
15
Saturday
16
Sun
17
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Rating
(10 max)
2
2
1
0
0
0
0
0
0
1
2
2
3
0
0
0
0
2
0
2
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1
NW
12
1.2
NNW
11
0.9
NW
11
0.4
SSW
17
0.5
SSW
16
0.9
NNW
10
0.8
NNW
10
0.7
NNW
9
0.4
SSW
14
0.7
NW
16
1.1
NW
15
1.4
NW
14
1.3
NNW
13
1.1
NW
12
1
NW
12
0.7
NW
11
0.6
SSW
15
0.7
NNW
11
0.6
SSW
15
0.6
SSW
14
0.7
SSW
15
Wave Graph
Metric surfscale
Energy kJ
273
356
166
97
144
157
120
73
82
274
509
742
590
347
278
126
156
103
144
138
193
Wind (km/h)
20
NE
25
ENE
30
ENE
25
ENE
30
ENE
30
ENE
25
ENE
25
ENE
30
ENE
25
ENE
30
ENE
30
ENE
25
ENE
30
ENE
30
ENE
25
ENE
25
ENE
25
ENE
25
E
15
ENE
25
ENE
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
High Tide
10:56PM0.53m
12:55PM0.42m
11:42PM0.49m
1:29PM0.52m
00:28AM0.44m
2:05PM0.62m
1:12AM0.39m
2:43PM0.71m
1:56AM0.34m
3:24PM0.78m
2:40AM0.29m
4:08PM0.82m
3:24AM0.25m
4:54PM0.83m
Low Tide
6:15AM0.10m
6:00PM0.28m
6:35AM0.07m
7:21PM0.26m
6:58AM0.04m
8:30PM0.23m
7:24AM0.01m
9:33PM0.20m
7:55AM-0.01m
10:33PM0.17m
8:28AM-0.03m
11:34PM0.15m
9:05AM-0.03m
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:56
5:54
5:54
5:54
5:54
5:54
5:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:00
7:00
7:01
7:01
7:02
7:02
7:04
7:04
Temp °C
24
25
26
24
25
25
23
25
25
24
25
26
24
25
26
24
25
26
24
26
26
23
23
24
22
21
21
20
23
22
22
22
23
22
22
23
22
23
24
22
26
25
Swell 1
Height (m)
Direction
Period (s)
1
NW
12
1.2
NNW
11
0.9
NW
11
1.1
NNE
7
0.7
NNW
10
0.9
NNW
10
0.8
NNW
10
0.7
NNW
9
0.5
NW
9
0.7
NW
16
1.1
NW
15
1.4
NW
14
1.3
NNW
13
1.1
NW
12
1
NW
12
1.1
NE
7
0.6
NW
11
0.7
NNW
11
1
NE
7
0.7
NNE
7
0.9
NE
7
Energy kJ
273
356
166
102
115
157
120
73
39
274
509
742
590
347
278
115
96
103
97
38
86
Swell 2
Height (m)
Direction
Period (s)
0.9
NNE
6
0.4
SSW
18
0.4
SSW
18
0.6
NW
11
0.5
SSW
16
0.5
S
16
0.4
S
15
0.4
S
14
0.4
SSW
14
0.4
SSW
14
0.4
N
8
0.4
SW
14
0.5
SW
16
0.5
SW
16
0.5
SW
16
0.7
NW
11
0.6
SSW
15
0.5
SW
14
0.6
NNW
10
0.6
NNW
10
0.7
SSW
15
Energy kJ
70
106
102
92
144
129
69
66
82
81
22
47
132
124
124
126
156
103
71
67
193
Swell 3
Height (m)
Direction
Period (s)
0.3
SSW
13
0.4
SE
8
0.2
SSE
9
0.4
SSW
17
0.4
ESE
7
0.2
SSE
9
0.3
SSW
15
0.4
SW
15
0.3
N
9
0.4
ESE
8
0.4
NW
11
0.4
SE
10
0.4
N
8
0.4
NNE
8
0.3
SSE
11
0.4
SE
8
0.4
SSE
10
0.4
SSW
16
0.6
SSW
15
0.6
SSW
14
0.4
NNW
10
Energy kJ
33
17
7
97
18
8
42
56
15
22
30
23
21
22
24
16
42
90
144
138
38
Wind waves
Height (m)
Direction
Period (s)
0.8
E
5
0.9
E
6
1.1
NNE
7
0.3
ESE
7
0.9
NE
6
1.1
ENE
6
0.9
ENE
6
1.1
ENE
6
1.3
ENE
6
1
NE
6
1.2
NE
6
1.6
NE
6
1.1
NE
7
1
NE
7
1.3
NE
7
1.4
E
8
1.1
NE
7
1
NE
7
1.3
ENE
8
Energy kJ
36
53
107
9
56
91
61
77
107
83
112
171
97
86
153
240
136
102
201
Nearest Offshore or Glassy
Rating
(10 max)
2
2
1
2
2
1
1
1
1
2
3
3
3
2
2
1
2
2
2
2
2
Distance (km)
0
0
160
5
9
16
5
5
11
5
9
16
0
6
6
5
5
0
5
0
2
Best forecast wave conditions in Oahu
Rating
(10 max)
2
2
2
2
1
1
1
1
2
3
3
3
3
3
2
2
2
2
2
2
Best forecast wave conditions in United States
Rating
(10 max)
3
3
1
3
2
1
3
1
1
4
3
3
4
3
3
4
2
2
2
5
2
Header Global
Rating
(10 max)
5
4
9
9
9
9
9
7
8
5
5
6
5
5
5
5
5
5
5
5
4
  • 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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