Waimanalo surf break

Waimanalo surfForecast / HAW – Oahu / USA

information circle16 Day Weather and Surf, issued 1 am Saturday 25 Apr 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
25.1° C
(Which is slightly warmer than usual)

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 Saturday (May 02) 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 0.3m 14s period and expected on Saturday (May 02) at 5AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 2AM (Sat 2nd 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

Light rain (total 7mm), mostly falling on Sat night. Warm (max 24°C on Sat afternoon, min 22°C on Sat night). Mainly fresh winds.

Days 4-6 Weather Summary

Some drizzle, heaviest during Tue morning. Warm (max 24°C on Thu afternoon, min 22°C on Tue night). Mainly strong winds.

Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Friday
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
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<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
1.7
NE
8
1.5
NE
8
1.5
NE
8
1.3
NE
8
1.3
NE
8
1.4
NE
8
1.2
NE
8
1.3
ENE
7
1.1
E
7
1.2
ENE
7
1.3
ENE
7
1.6
ENE
7
1.5
ENE
7
1.5
ENE
7
0.8
NNW
13
0.9
NNW
12
1.7
ENE
7
1.9
ENE
7
1.8
ENE
7
1.7
ENE
8
2.5
ENE
8
Wave Graph
Metric surfscale
Energy kJ
371
250
264
191
191
242
169
169
123
135
141
225
210
195
202
230
319
390
349
373
822
Wind (km/h)
25
ENE
25
NE
25
ENE
20
ENE
25
NE
25
ENE
25
ENE
25
ENE
30
ENE
30
ENE
35
ENE
35
ENE
30
ENE
30
ENE
30
ENE
30
ENE
35
ENE
40
ENE
35
ENE
35
ENE
40
ENE
on
on
on
cross-on
on
cross-on
cross-on
on
cross-on
on
on
cross-on
on
on
cross-on
on
on
on
on
on
cross-on
High Tide
11:45AM0.24m
11:40PM0.50m
12:35PM0.33m
00:07AM0.48m
1:15PM0.41m
00:27AM0.44m
1:50PM0.48m
00:42AM0.41m
2:22PM0.53m
00:56AM0.38m
2:53PM0.56m
1:11AM0.35m
3:24PM0.58m
1:28AM0.32m
Low Tide
4:27PM0.09m
6:32AM0.05m
5:37PM0.11m
6:41AM0.02m
6:32PM0.13m
6:53AM-0.02m
7:19PM0.15m
7:08AM-0.06m
8:02PM0.17m
7:26AM-0.09m
8:44PM0.18m
7:46AM-0.10m
9:27PM0.19m
clear
clear
rain showers
clear
clear
clear
clear
clear
thunderstorm
thunderstorm
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:03
6:03
6:01
6:01
6:01
6:00
6:00
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:52
6:53
6:53
6:53
6:54
6:54
6:55
3
4
1
Temp °C
23
24
23
23
24
23
24
24
23
23
23
23
23
23
23
23
24
23
23
24
23
20
22
22
22
22
22
23
23
21
21
20
19
19
19
19
21
21
18
19
21
19
Swell 1
Height (m)
Direction
Period (s)
0.7
NW
13
0.7
NW
13
0.7
NW
12
1.3
NE
8
0.7
NW
12
0.7
NW
11
1.2
NE
8
0.6
NNW
10
0.8
NE
7
0.4
NNW
10
0.4
NW
14
0.6
NW
14
0.7
NW
14
0.7
NW
14
0.8
NNW
13
0.9
NNW
12
0.9
NNW
13
0.9
NNW
12
0.9
NNW
12
0.8
NNW
11
1
NW
14
Energy kJ
183
175
149
191
135
123
169
73
55
40
47
149
208
189
202
230
261
233
215
157
412
Swell 2
Height (m)
Direction
Period (s)
0.2
SSW
15
0.4
NNE
8
0.2
SSW
15
0.7
NW
12
0.2
SSW
14
0.2
E
8
0.6
NNW
11
0.4
NE
9
0.5
NW
10
0.4
NE
8
0.4
NW
10
0.1
SE
11
0.3
NE
10
0.3
NE
9
0.4
NE
9
0.5
NE
8
0.2
S
16
0.2
S
16
0.2
S
15
0.6
NW
16
0.2
S
16
Energy kJ
23
23
22
149
21
5
78
21
51
17
25
5
14
14
21
35
20
19
17
216
20
Swell 3
Height (m)
Direction
Period (s)
0.1
S
12
0.2
SSW
16
0.1
S
9
0.2
SSW
15
0.2
E
8
0.2
SSW
14
0.4
NE
9
0.1
SW
13
0.2
NNE
10
0.3
NW
15
0.2
NNE
9
0.1
SW
12
0.1
SE
11
0.1
SE
10
0.1
SE
10
0.1
S
17
0.1
SE
10
0.1
S
9
0.2
NNW
18
0.2
S
16
0.2
S
13
Energy kJ
3
24
2
21
4
19
23
7
9
34
8
6
5
4
4
5
4
2
33
19
14
Wind waves
Height (m)
Direction
Period (s)
1.7
NE
8
1.5
NE
8
1.5
NE
8
1.3
NE
8
1.4
NE
8
1.3
ENE
7
1.1
E
7
1.2
ENE
7
1.3
ENE
7
1.6
ENE
7
1.5
ENE
7
1.5
ENE
7
1.5
ENE
6
1.4
ENE
7
1.7
ENE
7
1.9
ENE
7
1.8
ENE
7
1.7
ENE
8
2.5
ENE
8
Energy kJ
371
250
264
191
242
169
123
135
141
225
210
195
183
176
319
390
349
373
822
Nearest Offshore or Glassy
Rating
(10 max)
1
2
1
1
2
1
1
1
1
1
2
1
2
2
2
2
2
2
2
3
3
Distance (km)
44
44
15
44
44
15
44
44
44
44
52
44
44
50
45
45
52
50
50
56
50
Best forecast wave conditions in Oahu
Rating
(10 max)
3
3
3
3
3
2
2
2
1
1
2
2
2
2
2
2
3
2
2
3
3
Best forecast wave conditions in United States
Rating
(10 max)
3
3
3
3
3
2
3
2
2
1
2
2
2
2
3
2
3
2
2
3
4
Header Global
Rating
(10 max)
4
5
7
7
8
6
6
5
5
5
6
5
7
5
5
4
6
5
6
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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