Waimanalo surf break

Waimanalo surfForecast / HAW – Oahu / USA

information circle16 Day Weather and Surf, issued 7 pm Saturday 23 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
25.2° C
(Which is normal for this time of year)

Best Forecast Surf Conditions for Waimanalo this week:

The most powerful waves expected at Waimanalo in the next 16 days are 2.5m 8s and forecast to arrive on Sunday (May 24) at 8PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 18s period and expected on Saturday (May 30) at 2AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 8PM (Sun 24th May)8ft (2.5m) 8s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 23°C on Sat night, min 23°C on Sat night). Mainly strong winds.

Days 5-7 Weather Summary

Mostly dry. Warm (max 24°C on Fri morning, min 23°C on Tue night). Mainly strong winds.

Sunday
24
Monday
25
Tuesday
26
Wednesday
27
Thursday
28
Friday
29
Sat
30
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
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)
2.4
ENE
8
2.2
ENE
8
2.4
ENE
8
2.4
ENE
8
2.1
ENE
8
2
ENE
8
2.1
ENE
7
2
ENE
7
1.9
ENE
7
2.1
ENE
7
1.7
ENE
7
1.6
ENE
7
1.7
ENE
7
1.8
ENE
7
1.8
ENE
7
1.7
ENE
7
1.6
ENE
7
1.6
ENE
7
1.5
ENE
7
1.2
ENE
7
1.2
ENE
7
Wave Graph
Metric surfscale
Energy kJ
790
715
769
723
545
476
495
435
369
444
327
263
301
312
295
262
251
258
236
139
157
Wind (km/h)
40
ENE
40
ENE
40
ENE
35
ENE
35
ENE
35
ENE
35
ENE
40
ENE
35
ENE
35
ENE
35
ENE
35
ENE
30
ENE
35
ENE
30
ENE
30
ENE
25
ENE
30
ENE
30
ENE
25
ENE
25
ENE
on
on
on
on
on
on
cross-on
on
on
cross-on
on
on
cross-on
on
on
cross-on
cross-on
on
cross-on
on
on
High Tide
9:41PM0.49m
11:46AM0.31m
10:17PM0.45m
12:38PM0.41m
10:43PM0.41m
1:16PM0.48m
11:03PM0.37m
1:48PM0.55m
11:22PM0.34m
2:17PM0.59m
11:43PM0.32m
2:46PM0.61m
00:09AM0.30m
3:17PM0.62m
Low Tide
5:08AM0.07m
3:52PM0.20m
5:24AM0.03m
5:26PM0.23m
5:41AM-0.02m
6:39PM0.24m
6:00AM-0.05m
7:37PM0.24m
6:21AM-0.08m
8:25PM0.24m
6:45AM-0.09m
9:08PM0.23m
7:12AM-0.10m
clear
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
rain showers
rain showers
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>
7:05
7:05
7:06
7:06
7:07
7:07
7:07
7:07
1
1
Temp °C
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
24
24
23
24
24
18
18
18
18
19
19
19
18
19
18
19
20
19
20
19
19
22
21
20
22
22
Swell 1
Height (m)
Direction
Period (s)
0.6
NNW
13
0.6
NNW
12
0.6
NNW
12
0.5
NW
11
0.4
NW
11
0.4
NW
11
0.4
NW
10
0.3
S
13
0.4
NW
18
0.6
NW
16
0.7
NW
14
0.7
NW
14
0.6
NW
13
0.6
NW
12
0.6
NW
12
0.6
NW
12
0.6
NNE
12
0.6
NNW
12
0.5
S
18
0.7
NE
8
0.5
S
16
Energy kJ
120
101
96
61
30
29
27
29
114
163
206
195
140
95
122
116
109
88
162
60
134
Swell 2
Height (m)
Direction
Period (s)
0.3
S
15
0.3
S
13
0.3
S
13
0.3
S
14
0.3
S
14
0.3
S
13
0.3
S
13
0.2
NNW
10
0.2
NNW
10
0.3
S
15
0.3
S
14
0.3
S
13
0.4
NNE
13
0.4
NNE
12
0.5
N
12
0.6
N
11
0.6
NNW
12
0.5
N
10
0.5
NNE
11
0.5
S
17
0.4
NNW
10
Energy kJ
38
32
32
37
36
32
31
10
9
38
36
32
55
46
70
83
94
49
65
147
39
Swell 3
Height (m)
Direction
Period (s)
0.2
NNW
10
0.2
S
16
0.2
S
16
0.1
S
21
0.1
S
20
0.1
S
19
0.1
S
17
0.1
NW
20
0.2
S
12
0.2
NNW
9
0.1
NW
9
0.2
N
14
0.3
S
13
0.4
NW
15
0.3
NNE
14
0.4
NNE
13
0.5
S
20
0.5
S
19
0.4
NNW
11
0.4
NNE
10
0.4
NNE
10
Energy kJ
9
21
20
8
7
7
5
15
11
8
3
15
30
56
37
66
196
188
47
39
37
Wind waves
Height (m)
Direction
Period (s)
2.4
ENE
8
2.2
ENE
8
2.4
ENE
8
2.4
ENE
8
2.1
ENE
8
2
ENE
8
2.1
ENE
7
2
ENE
7
1.9
ENE
7
2.1
ENE
7
1.7
ENE
7
1.6
ENE
7
1.7
ENE
7
1.8
ENE
7
1.8
ENE
7
1.7
ENE
7
1.6
ENE
7
1.6
ENE
7
1.5
ENE
7
1.2
ENE
7
1.2
ENE
7
Energy kJ
790
715
769
723
545
476
495
435
369
444
327
263
301
312
295
262
251
258
236
139
157
Nearest Offshore or Glassy
Rating
(10 max)
3
1
1
2
1
1
2
1
2
2
2
2
2
1
2
2
2
3
3
2
2
Distance (km)
57
118
116
50
50
56
50
55
50
50
45
116
44
44
50
44
44
45
44
44
44
Best forecast wave conditions in Oahu
Rating
(10 max)
3
2
2
2
2
1
2
3
3
3
2
2
3
2
3
3
3
2
Best forecast wave conditions in United States
Rating
(10 max)
3
1
2
2
2
2
2
1
2
3
4
2
4
2
2
4
2
3
4
3
2
Header Global
Rating
(10 max)
5
5
5
4
4
4
9
9
8
7
7
6
6
9
8
9
5
5
4
5
5
  • 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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