Waimanalo Surf Break

Lat Long: 21.35° N 157.70° W

Waimanalo 48 hour detailed Surf Forecast

Issued: 7 pm 15 Aug 2026 (local time)

Forecast update in  hr  min

Today's Waimanalo sea temperature is
27.0° 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 (15 Aug):

  • Afternoon surf: Afternoon surf (15 Aug, local time) - 13ft (4.0m), 9s period with ENE swell.
  • Evening surf: Evening surf (15 Aug, local time) - 15ft (4.5m), 10s period with E swell.

The current surf forecast for Waimanalo at 11PM is: 4.5m 10s primary swell from a East direction (forecast issued at 07:00pm August 15). An open ocean swell of 0.3m 13s is not directed at the surf break, a second open ocean swell of 0.2m 18s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (15 Aug)--
Afternoon (15 Aug)13ft (4.0m)9s
Evening (15 Aug)15ft (4.5m)10s

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


Short Range Forecast

Heavy rain (total 62mm), heaviest during Sun morning. Warm (max 27°C on Sun afternoon, min 25°C on Sat night). Winds decreasing (near gales from the ENE on Sat night, moderate winds from the ESE by Sun night).

Sat
15
Sunday
16
Monday
17
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
!
1
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)
4
ENE
9
4
E
10
4.5
E
10
5
E
10
4.5
E
10
4
E
9
3.5
E
9
3
E
9
2.5
E
8
2.3
ENE
8
2.1
ENE
8
2
ENE
8
1.8
ENE
8
1.7
ENE
8
1.7
ENE
7
1.6
ENE
7
1.6
ENE
7
1.5
ENE
7
1.5
ENE
7
Wave Graph
Metric surfscale
Energy kJ
2613
3153
3881
4435
3588
2670
2014
1428
908
688
560
484
375
345
327
284
261
215
215
Wind (km/h)
55
NE
60
ENE
55
ENE
55
ENE
50
E
50
E
40
ESE
30
ESE
25
ESE
20
ESE
20
E
25
E
25
ENE
30
ENE
30
ENE
30
ENE
25
ENE
30
ENE
25
ENE
Wind State
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
High Tide
4:30PM0.58m
5:20AM0.44m
4:40PM0.52m
6:27AM0.44m
4:40PM0.47m
Low Tide
10:59PM0.09m
10:41AM0.19m
11:25PM0.08m
11:25AM0.27m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
mod rain
thunderstorm
thunderstorm
thunderstorm
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:09
6:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:00
7:00
6:59
 mm
1
1
1
1
12
27
10
4
4
2
Temp °C
26
26
26
26
25
25
26
26
27
26
26
25
25
25
25
25
25
25
25
Feels °C
21
21
20
20
21
21
24
25
27
27
27
26
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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