Waimanalo surf break

Waimanalo surfForecast / HAW – Oahu / USA

information circle16 Day Weather and Surf, issued 1 pm Wednesday 27 May 2026 HST
Forecast update in hr  min  s Forecast update imminent
Waimanalo surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Waimanalo sea temperature is
24.9° C
(Which is normal for this time of year)

Waimanalo surf forecast from 28 May 2026:

  • Most powerful swell: Thursday 28 May, 2AM (local time) - 6ft (1.8m), 7s period, ENE swell with 316 kJ wave energy.

Best Forecast Surf Conditions for Waimanalo this week:

The most powerful waves expected at Waimanalo in the next 16 days are 1.8m 7s and forecast to arrive on Thursday (May 28) at 2AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 19s period and expected on Tuesday (Jun 02) at 5PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 2AM (Thu 28th May)6ft (1.8m) 7s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 3mm), mostly falling on Thu morning. Warm (max 24°C on Wed afternoon, min 23°C on Wed afternoon). Mainly fresh winds.

Days 5-7 Weather Summary

Light rain (total 5mm), mostly falling on Mon night. Warm (max 24°C on Sat afternoon, min 23°C on Sat night). Wind will be generally light.

Wed
27
Thursday
28
Friday
29
Saturday
30
Sunday
31
Monday
1
Tuesday
2
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)
1.7
ENE
7
1.8
ENE
7
1.6
ENE
7
1.7
ENE
7
1.7
ENE
7
1.5
ENE
7
1.5
ENE
7
1.5
ENE
7
1.3
ENE
7
1.3
ENE
7
1.1
ENE
8
0.9
ENE
7
0.5
N
11
0.5
N
10
1.1
ENE
7
1.3
ENE
7
1.4
ENE
7
0.5
N
12
0.8
NNW
11
1.4
ENE
7
1.5
E
6
Wave Graph
Metric surfscale
Energy kJ
279
316
222
241
265
223
229
236
162
167
138
84
61
53
140
158
171
75
161
175
184
Wind (km/h)
35
ENE
35
ENE
30
ENE
35
ENE
35
ENE
35
ENE
30
ENE
25
ENE
25
ENE
25
ENE
15
ENE
20
ENE
20
NE
20
NE
20
NE
20
NE
25
NE
15
ENE
20
ENE
20
ENE
30
ENE
on
cross-on
on
cross-on
cross-on
cross-on
on
cross-on
cross-on
on
on
on
on
on
on
on
on
cross-on
on
cross-on
cross-on
High Tide
11:22PM0.34m
2:17PM0.59m
11:43PM0.32m
2:46PM0.61m
00:09AM0.30m
3:17PM0.62m
00:38AM0.29m
3:50PM0.61m
1:08AM0.27m
4:26PM0.60m
1:36AM0.26m
5:05PM0.59m
1:58AM0.25m
Low Tide
7:37PM0.24m
6:21AM-0.08m
8:25PM0.24m
6:45AM-0.09m
9:08PM0.23m
7:12AM-0.10m
9:48PM0.22m
7:43AM-0.10m
10:31PM0.22m
8:16AM-0.09m
11:20PM0.21m
8:49AM-0.08m
00:19AM0.21m
9:23AM-0.06m
clear
part cloud
rain showers
rain showers
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
clear
rain showers
thunderstorm
clear
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:48
5:48
5:48
5:48
5:48
5:48
5:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:07
7:07
7:07
7:07
7:07
7:08
7:08
7:08
2
1
3
2
Temp °C
24
23
23
23
23
24
24
23
24
24
24
24
24
24
24
24
24
24
25
24
24
20
19
21
20
20
21
21
20
22
23
24
24
24
24
24
23
23
25
26
24
23
Swell 1
Height (m)
Direction
Period (s)
0.7
NW
14
0.7
NW
13
0.6
NW
12
0.6
NW
12
0.6
NW
12
0.6
NNE
10
0.6
NNW
11
0.5
NNE
11
0.5
NNW
10
0.5
NNW
10
0.5
E
8
0.9
ENE
7
0.6
E
8
0.6
E
8
0.5
N
10
0.5
N
9
0.5
S
16
0.9
NE
6
0.8
NNW
11
0.8
NNW
10
0.7
NNW
10
Energy kJ
195
171
120
118
112
78
87
65
57
55
33
84
44
43
49
44
135
66
161
131
96
Swell 2
Height (m)
Direction
Period (s)
0.3
S
13
0.3
S
13
0.5
N
12
0.4
N
11
0.5
N
11
0.6
NNW
12
0.5
S
19
0.5
S
18
0.5
S
17
0.4
SSW
16
0.4
NNW
10
0.5
E
8
0.5
N
11
0.5
N
10
0.4
SSW
18
0.4
SSW
18
0.4
NNW
9
0.6
E
8
0.7
S
19
0.5
S
18
0.6
S
16
Energy kJ
32
30
73
35
57
90
188
162
147
87
31
30
61
53
107
103
26
41
347
158
190
Swell 3
Height (m)
Direction
Period (s)
0.2
N
12
0.3
N
11
0.3
S
12
0.3
NNE
13
0.3
NNE
13
0.5
S
20
0.5
N
10
0.4
NNW
11
0.4
NNE
10
0.4
NNE
10
0.4
SSW
16
0.4
NNW
9
0.5
N
8
0.4
SSW
14
0.3
SSW
14
0.3
S
13
0.3
S
21
0.5
N
12
0.1
S
9
0.4
SSW
14
0.1
SE
8
Energy kJ
12
23
26
32
34
196
48
46
38
32
83
28
33
69
39
31
78
75
2
70
3
Wind waves
Height (m)
Direction
Period (s)
1.7
ENE
7
1.8
ENE
7
1.6
ENE
7
1.7
ENE
7
1.7
ENE
7
1.5
ENE
7
1.5
ENE
7
1.5
ENE
7
1.3
ENE
7
1.3
ENE
7
1.1
ENE
8
0.7
NE
7
0.9
ENE
4
1.1
ENE
7
1.3
ENE
7
1.4
ENE
7
1.2
ENE
7
1.4
ENE
7
1.5
E
6
Energy kJ
279
316
222
241
265
223
229
236
162
167
138
56
32
140
158
171
132
175
184
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
2
2
2
1
2
2
2
2
2
2
3
3
3
3
4
3
4
4
Distance (km)
50
44
44
52
44
44
50
44
44
15
15
15
15
15
15
15
15
44
15
15
50
Best forecast wave conditions in Oahu
Rating
(10 max)
3
2
2
2
3
3
3
3
3
3
2
2
2
3
3
3
4
4
4
4
4
Best forecast wave conditions in United States
Rating
(10 max)
3
4
3
4
4
3
3
4
3
3
4
2
2
4
3
4
4
4
4
4
4
Header Global
Rating
(10 max)
7
9
9
6
5
5
5
5
7
7
5
5
5
4
4
4
5
5
5
4
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 Waimanalo Surf forecast

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

Waimanalo is 7 km (4 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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