Kailua Beach surf break

Kailua Beach surfForecast / HAW – Oahu / USA

information circle16 Day Weather and Surf, issued 1 pm Sunday 17 May 2026 HST
Forecast update in hr  min  s Forecast update imminent
Kailua Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Kailua Beach sea temperature is
25.3° C
(Which is normal for this time of year)

Best Forecast Surf Conditions for Kailua Beach this week:

The most powerful waves expected at Kailua Beach in the next 16 days are 3.0m 8s and forecast to arrive on Thursday (May 21) at 11PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 15s period and expected on Saturday (May 23) at 5PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful11PM (Thu 21st May)10ft (3.0m) 8s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Some drizzle, heaviest during Sun night. Warm (max 25°C on Sun afternoon, min 23°C on Mon night). Mainly fresh winds.

Days 5-7 Weather Summary

Light rain (total 2mm), mostly falling on Fri afternoon. Warm (max 23°C on Wed afternoon, min 23°C on Wed afternoon). Mainly strong winds.

Sun
17
Monday
18
Tuesday
19
Wednesday
20
Thursday
21
Friday
22
Saturday
23
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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)
1.4
ENE
8
1.7
ENE
8
1.7
ENE
8
1.8
ENE
8
1.6
ENE
8
1.5
E
8
1.6
ENE
8
1.9
ENE
8
2.3
ENE
7
2.3
ENE
8
2.3
ENE
8
2.5
ENE
8
2.5
ENE
8
2.5
ENE
8
2.5
ENE
8
2.4
ENE
8
2.5
ENE
8
2.2
ENE
8
2.1
ENE
8
2.1
ENE
9
2.1
ENE
8
Wave Graph
Metric surfscale
Energy kJ
256
392
392
404
324
286
295
449
489
669
686
886
886
977
824
763
817
692
601
669
630
Wind (km/h)
20
ENE
25
E
25
ENE
30
ENE
25
E
30
ENE
30
ENE
25
ENE
35
ENE
35
ENE
40
ENE
40
ENE
40
ENE
40
ENE
40
ENE
40
ENE
35
ENE
35
ENE
35
ENE
40
ENE
35
ENE
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
on
on
on
on
on
on
on
High Tide
3:56PM0.96m
2:04AM0.47m
4:46PM0.94m
2:36AM0.44m
5:38PM0.90m
3:08AM0.41m
6:33PM0.85m
4:03AM0.37m
7:29PM0.80m
6:51AM0.35m
8:23PM0.75m
9:44AM0.41m
9:11PM0.70m
11:18AM0.50m
Low Tide
10:51PM0.40m
8:51AM-0.04m
00:02AM0.41m
9:32AM0.01m
1:30AM0.40m
10:16AM0.07m
3:16AM0.37m
11:05AM0.16m
3:54AM0.33m
12:06PM0.26m
4:21AM0.29m
1:41PM0.36m
4:45AM0.25m
clear
rain showers
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
clear
rain showers
rain showers
clear
rain showers
rain showers
clear
<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
5:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:01
7:02
7:02
7:04
7:04
7:05
7:05
7:06
1
1
1
1
2
Temp °C
25
24
24
24
24
24
24
23
23
23
23
23
23
23
23
23
23
23
23
23
23
26
24
23
22
23
23
23
21
20
19
19
18
18
18
18
19
18
18
19
18
19
Swell 1
Height (m)
Direction
Period (s)
1.4
ENE
8
0.3
NNW
9
0.2
SSW
14
0.3
SSW
16
0.4
NW
11
0.4
NNW
12
0.4
NNW
11
0.4
NNW
11
0.5
NNW
10
0.5
NNW
11
0.4
NNW
10
0.3
NNW
10
0.2
NNW
10
0.3
SSW
15
0.4
NW
10
0.4
NW
10
0.4
NNW
11
0.4
NW
10
0.4
NW
10
0.4
NW
10
0.4
NW
13
Energy kJ
256
17
20
48
33
54
47
45
62
65
42
19
9
42
25
28
47
28
26
25
42
Swell 2
Height (m)
Direction
Period (s)
0.4
NNW
10
0.3
SSW
15
0.2
NNW
13
0.2
NNW
12
0.2
SSW
14
0.3
SSW
14
0.3
SSW
17
0.3
NNW
12
0.2
SSW
15
0.2
SSW
14
0.2
S
17
0.3
S
16
0.2
SSW
16
0.3
NNW
11
0.2
S
14
0.2
S
14
0.3
S
16
0.3
S
16
0.4
S
15
0.3
S
15
0.3
S
13
Energy kJ
38
42
18
15
18
40
59
30
21
19
22
46
24
22
16
14
47
45
69
38
32
Swell 3
Height (m)
Direction
Period (s)
0.3
SSE
7
0.2
NNW
15
0.2
NNW
9
0.2
SSE
10
0.2
SSW
16
0.2
SSW
18
0.2
SSE
7
0.3
SSW
15
0.1
S
18
0.2
S
18
0.2
SSW
13
0.2
SSE
13
0.2
SSE
13
0.2
SSE
13
0.2
S
18
0.2
S
18
0.2
S
13
0.2
S
13
0.1
SE
12
0.4
NW
14
0.2
NNW
10
Energy kJ
10
22
8
10
26
30
4
42
6
24
17
17
17
16
25
25
14
13
5
48
9
Wind waves
Height (m)
Direction
Period (s)
1.7
ENE
8
1.7
ENE
8
1.8
ENE
8
1.6
ENE
8
1.5
E
8
1.6
ENE
8
1.9
ENE
8
2.3
ENE
7
2.3
ENE
8
2.3
ENE
8
2.5
ENE
8
2.5
ENE
8
2.5
ENE
8
2.5
ENE
8
2.4
ENE
8
2.5
ENE
8
2.2
ENE
8
2.1
ENE
8
2.1
ENE
9
2.1
ENE
8
Energy kJ
392
392
404
324
286
295
449
489
669
686
886
886
977
824
763
817
692
601
669
630
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
2
1
2
2
2
2
2
1
1
2
2
1
3
2
1
1
1
1
Distance (km)
17
17
41
41
41
41
46
41
46
51
53
123
262
52
123
206
50
122
123
123
46
Best forecast wave conditions in Oahu
Rating
(10 max)
2
2
2
2
1
3
2
2
2
2
1
2
2
2
Best forecast wave conditions in United States
Rating
(10 max)
4
5
4
4
4
3
2
4
3
3
3
3
2
2
1
4
2
4
2
3
2
Header Global
Rating
(10 max)
4
5
4
4
4
4
4
5
5
5
5
4
4
5
6
5
7
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 Kailua Beach Surf forecast

The above surf forecast table for Kailua Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Kailua Beach can be found by selecting the local surf guide option on the grey menu. Our Kailua Beach 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 (Kailua Beach) 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 Kailua Beach 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.

Kailua Beach is 0 km (0 miles) from Kailua. If you plan a vacation in Oahu, look for hotels and other accommodation in Kailua. Kailua has rooms for a wide range of budgets as well as car hire and transport links.

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