Waimanalo Surf Break

Lat Long: 21.35° N 157.70° W

Waimanalo 48 hour detailed Surf Forecast

Issued: 7 pm 18 Sep 2026 (local time)

Forecast update in  hr  min

Today's Waimanalo sea temperature is
27.3°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 (19 Sep):

  • Morning surf: Morning surf (19 Sep, local time) - 6.5ft (2.0m), 8s period with E swell.
  • Afternoon surf: Afternoon surf (19 Sep, local time) - 6.5ft (2.0m), 8s period with E swell.
  • Evening surf: Evening surf (19 Sep, local time) - 6.5ft (2.0m), 8s period with E swell.

The current surf forecast for Waimanalo at 2AM is: 2.1m 7s primary swell from a East direction (forecast issued at 07:00pm September 18). An open ocean swell of 0.3m 15s is not directed at the surf break, a second open ocean swell of 0.2m 16s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (19 Sep)6.5ft (2.0m)8s
Afternoon (19 Sep)6.5ft (2.0m)8s
Evening (19 Sep)6.5ft (2.0m)8s

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


Short Range Forecast

Mostly dry. Warm (max 26°C on Fri night, min 25°C on Sun night). Mainly strong winds.

Fri
18
Saturday
19
Sunday
20
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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2
E
7
2
E
7
2
E
7
2.1
E
7
2.1
E
7
2.1
E
7
2
E
8
2
E
8
2
E
8
2.1
E
8
1.9
ENE
8
1.8
ENE
8
1.8
ENE
8
1.7
ENE
8
1.7
ENE
8
1.8
ENE
7
1.9
ENE
7
1.9
ENE
7
1.9
ENE
7
Wave Graph
Metric surfscale
Energy kJ
435
411
411
445
452
465
522
522
522
559
473
427
427
392
383
327
342
322
342
Wind (km/h)
35
ENE
30
ENE
35
ENE
30
E
30
E
35
ENE
35
ENE
35
ENE
35
ENE
30
ENE
30
ENE
30
ENE
25
ENE
30
ENE
35
ENE
35
ENE
35
ENE
35
ENE
35
ENE
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
cross-on
on
High Tide
11:47AM0.54m
12:22PM0.57m
Low Tide
1:18AM0.13m
3:40AM0.12m
7:51PM0.20m
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:18
6:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:30
6:30
6:29
 mm
Temp °C
27
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
Feels °C
25
24
25
25
25
24
24
23
24
24
25
24
25
24
23
23
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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