Waimanalo Surf Break

Lat Long: 21.35° N 157.70° W

Waimanalo 48 hour detailed Surf Forecast

Issued: 1 pm 18 Oct 2026 (local time)

Forecast update in  hr  min

Today's Waimanalo sea temperature is
26.9°C
0.1° 

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 (18 Oct):

  • Morning surf: Morning surf (18 Oct, local time) - 7ft (2.1m), 7s period with ENE swell.
  • Afternoon surf: Afternoon surf (18 Oct, local time) - 7ft (2.1m), 7s period with ENE swell.
  • Evening surf: Evening surf (18 Oct, local time) - 7.5ft (2.3m), 7s period with ENE swell.

The current surf forecast for Waimanalo at 7PM is: 2.2m 7s primary swell from a East-northeast direction and 0.9m 11s secondary swell from a North-northwest direction (forecast issued at 01:00pm October 18). An open ocean swell of 0.4m 13s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (18 Oct)7ft (2.1m)7s
Afternoon (18 Oct)7ft (2.1m)7s
Evening (18 Oct)7.5ft (2.3m)7s

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


Short Range Forecast

Mostly dry. Warm (max 25°C on Sun afternoon, min 24°C on Tue night). Mainly strong winds.

Sun
18
Monday
19
Tuesday
20
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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2
ENE
7
2
ENE
7
2.2
ENE
7
2.3
ENE
7
2.4
ENE
7
2.3
ENE
8
2.3
ENE
8
2.3
ENE
8
2.2
ENE
8
2.2
ENE
8
2.2
ENE
8
2.4
ENE
8
2.5
ENE
8
2.3
ENE
8
2.2
ENE
8
2.2
ENE
8
2.3
ENE
8
2.2
ENE
8
2.3
ENE
8
2.3
ENE
8
2.3
ENE
8
Wave Graph
Metric surfscale
Energy kJ
373
362
433
542
637
588
621
637
587
587
570
654
725
604
540
526
588
540
604
588
574
Wind (km/h)
35
ENE
40
ENE
40
ENE
45
ENE
45
ENE
45
ENE
40
ENE
40
ENE
40
ENE
40
ENE
40
ENE
45
ENE
45
ENE
35
E
35
ENE
40
ENE
40
ENE
40
ENE
40
ENE
40
ENE
40
ENE
Wind State
on
on
cross-on
cross-on
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
cross-on
cross-on
High Tide
10:36AM0.53m
10:15PM0.21m
11:17AM0.55m
11:25PM0.27m
11:44AM0.56m
Low Tide
8:27PM0.17m
2:16AM0.16m
6:48PM0.17m
3:58AM0.15m
6:31PM0.15m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
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6:26
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—
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6:28
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—
—
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<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
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6:04
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—
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6:02
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6:01
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 mm
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—
—
—
—
—
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—
—
—
—
—
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Temp °C
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
Feels °C
21
21
21
21
21
21
21
21
21
21
21
21
20
21
21
20
21
21
21
21
20
  • 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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