Waimanalo Surf Break

Lat Long: 21.35° N 157.70° W

Waimanalo 48 hour detailed Surf Forecast

Issued: 1 am 16 Sep 2026 (local time)

Forecast update in  hr  min

Today's Waimanalo sea temperature is
27.2°C
0.2° 

Waimanalo surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Waimanalo today (16 Sep):

  • Morning surf: Morning surf (16 Sep, local time) - 4.5ft (1.3m), 6s period with ENE swell.
  • Afternoon surf: Afternoon surf (16 Sep, local time) - 4.5ft (1.4m), 6s period with NE swell.
  • Evening surf: Evening surf (16 Sep, local time) - 5ft (1.6m), 6s period with NE swell.

The current surf forecast for Waimanalo at 7AM is: 1.3m 6s primary swell from a East-northeast direction and 0.5m 11s secondary swell from a East direction (forecast issued at 01:00am September 16). An open ocean swell of 0.4m 18s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (HST) & DateWave HeightWave Period
Morning (16 Sep)4.5ft (1.3m)6s
Afternoon (16 Sep)4.5ft (1.4m)6s
Evening (16 Sep)5ft (1.6m)6s

Table - waves today at Waimanalo. (Swell directed towards the surf break)


Short Range Forecast

Moderate rain (total 12mm), heaviest on Thu night. Warm (max 27°C on Fri morning, min 26°C on Wed morning). Mainly fresh winds.

Wednesday
16
Thursday
17
Friday
18
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 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
0
0
0
Swell
Height Map
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
ENE
6
1.3
ENE
6
1.3
ENE
6
1.4
NE
6
1.4
NE
6
1.6
NE
6
1.5
NE
7
1.8
NE
6
1.8
NE
7
1.8
NE
7
1.9
ENE
7
2.1
ENE
7
2.2
ENE
7
2.2
ENE
9
2
ENE
9
1.8
E
9
1.8
E
9
2.1
ENE
8
2
ENE
8
2
ENE
8
1.9
ENE
8
2
E
8
2
E
7
2
E
7
Wave Graph
Metric surfscale
Energy kJ
65
107
120
131
152
195
192
255
287
296
342
407
489
721
623
506
494
520
472
484
461
459
411
411
Wind (km/h)
20
ENE
25
ENE
25
ENE
30
ENE
30
NE
30
NE
35
NE
35
NE
30
NE
35
NE
35
NE
35
ENE
35
ENE
30
ENE
30
ENE
30
ENE
30
ENE
35
ENE
35
ENE
35
ENE
35
ENE
35
ENE
30
ENE
30
ENE
Wind State
on
on
on
on
on
on
on
on
on
on
on
on
on
on
cross-on
cross-on
cross-on
on
on
on
on
on
cross-on
cross-on
High Tide
6:53AM0.51m
2:37PM0.40m
8:54AM0.49m
10:52AM0.51m
Low Tide
12:57PM0.34m
11:02PM0.07m
11:41PM0.10m
clear
clear
part cloud
clear
clear
clear
clear
part cloud
part cloud
thunderstorm
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:16
6:18
6:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:32
6:31
6:30
 mm
1
1
1
3
3
3
Temp °C
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
27
27
27
26
26
Feels °C
27
26
26
26
26
26
25
25
26
25
25
25
25
26
26
25
25
24
24
25
25
26
25
25
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
How to use the Wavefinder 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Waimanalo surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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