Waimanalo Surf Break

Lat Long: 21.35° N 157.70° W

Waimanalo 48 hour detailed Surf Forecast

Issued: 1 am 12 Sep 2026 (local time)

Forecast update in  hr  min

Today's Waimanalo sea temperature is
27.2°C
0.3° 

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 (12 Sep):

  • Morning surf: Morning surf (12 Sep, local time) - 2.5ft (0.8m), 10s period with ENE swell.
  • Afternoon surf: Afternoon surf (12 Sep, local time) - 2.5ft (0.8m), 10s period with ENE swell.
  • Evening surf: Evening surf (12 Sep, local time) - 3ft (0.9m), 9s period with NE swell.

The current surf forecast for Waimanalo at 4AM is: 0.9m 10s primary swell from a East-northeast direction and 0.7m 8s secondary swell from a Northeast direction (forecast issued at 01:00am September 12). The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (12 Sep)2.5ft (0.8m)10s
Afternoon (12 Sep)2.5ft (0.8m)10s
Evening (12 Sep)3ft (0.9m)9s

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


Short Range Forecast

Mostly dry. Warm (max 26°C on Sat afternoon, min 25°C on Sat morning). Wind will be generally light.

Saturday
12
Sunday
13
Monday
14
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)
0.9
ENE
10
0.9
ENE
10
0.8
ENE
10
0.8
ENE
10
0.8
ENE
10
0.9
NE
9
0.9
NE
9
0.9
NNE
9
0.9
NNE
9
0.9
NNE
9
0.9
NNE
9
0.9
NNE
9
0.9
NE
9
0.9
NE
9
0.9
NE
9
0.9
NE
9
0.9
NE
9
0.9
NE
8
0.9
NE
8
0.8
NE
8
0.8
NE
8
0.7
NE
8
0.7
NE
8
0.6
NE
8
Wave Graph
Metric surfscale
Energy kJ
177
163
131
128
128
115
115
138
135
135
138
138
112
112
112
112
123
120
102
82
82
69
69
53
Wind (km/h)
15
ENE
15
ENE
15
ENE
20
ENE
20
ENE
20
NE
20
ENE
20
ENE
20
E
15
E
15
ENE
20
ENE
20
ENE
20
ENE
25
ENE
20
ENE
20
ENE
20
ENE
20
E
25
ENE
20
ENE
25
NE
20
ENE
25
ENE
Wind State
cross-on
cross-on
on
on
on
on
on
on
cross-on
cross-on
cross-on
on
on
on
on
on
on
on
cross-on
cross-on
on
on
on
on
High Tide
3:26AM0.53m
3:07PM0.55m
4:11AM0.55m
3:19PM0.50m
4:57AM0.55m
3:24PM0.45m
Low Tide
9:09AM0.14m
9:26PM0.05m
9:50AM0.20m
9:48PM0.03m
10:35AM0.25m
10:11PM0.03m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:16
6:16
6:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:36
6:35
6:34
 mm
Temp °C
25
25
25
25
25
26
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
Feels °C
25
26
25
25
24
26
25
25
25
26
26
25
24
25
24
24
25
25
25
24
24
24
24
24
  • 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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