Kahului Harbor Surf Break

Lat Long: 20.90° N 156.48° W

Kahului Harbor 48 hour detailed Surf Forecast

Issued: 1 am 18 Oct 2026 (local time)

Forecast update in  hr  min

Today's Kahului Harbor sea temperature is
27.0°C
0.3° 

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


How big are the waves at Kahului Harbor today (18 Oct):

  • Morning surf: Morning surf (18 Oct, local time) - 3.5ft (1.0m), 12s period with N swell.
  • Afternoon surf: Afternoon surf (18 Oct, local time) - 5.5ft (1.7m), 7s period with ENE swell.
  • Evening surf: Evening surf (18 Oct, local time) - 5.5ft (1.7m), 7s period with ENE swell.

The current surf forecast for Kahului Harbor at 9AM is: 1.0m 12s primary swell from a North direction and 0.4m 15s secondary swell from a Northwest direction, 1.6m 7s secondary swell from a East-northeast direction (forecast issued at 01:00am October 18). The wind direction is predicted to be cross-shore.

Time (HST) & DateWave HeightWave Period
Morning (18 Oct)3.5ft (1.0m)12s
Afternoon (18 Oct)5.5ft (1.7m)7s
Evening (18 Oct)5.5ft (1.7m)7s

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


Short Range Forecast

Mostly dry. Warm (max 26°C on Sun morning, min 24°C on Sun night). Wind will be generally light.

Sunday
18
Monday
19
Tuesday
20
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)
1
0
1
0
0
0
1
1
1
1
1
1
1
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
NNW
11
1
NNW
13
1
NNW
12
1
N
12
1
N
12
1.7
ENE
7
1.7
ENE
7
1.8
ENE
7
1.8
ENE
7
1.7
ENE
8
1.8
ENE
8
1.7
ENE
8
1.7
ENE
8
1.7
ENE
8
1.7
ENE
8
1.8
ENE
8
1.7
ENE
8
1.7
ENE
8
1.7
ENE
8
1.8
ENE
8
1.9
ENE
8
1.8
ENE
8
1.7
ENE
8
1.8
ENE
8
Wave Graph
Metric surfscale
Energy kJ
192
350
318
289
279
293
289
340
349
322
368
345
345
345
345
373
336
322
322
358
411
383
345
368
Wind (km/h)
20
ENE
20
ENE
20
ENE
20
ENE
20
ENE
25
ENE
25
ENE
25
ENE
20
ENE
20
ENE
20
E
20
E
20
ENE
20
ENE
20
ENE
20
ENE
20
ENE
20
ENE
20
E
20
E
25
E
25
ENE
25
ENE
20
ENE
Wind State
cross
cross-on
cross
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross
cross
cross-on
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
High Tide
10:02AM0.61m
10:50AM0.64m
10:57PM0.33m
11:21AM0.66m
Low Tide
11:08PM0.18m
1:45AM0.23m
6:27PM0.25m
3:53AM0.23m
6:17PM0.21m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
6:22
—
—
—
—
—
—
—
6:22
—
—
—
—
—
—
—
6:22
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
5:59
—
—
—
—
—
—
—
5:58
—
—
—
—
—
—
—
5:58
—
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 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
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Temp °C
24
24
25
26
26
26
25
25
24
24
24
26
26
26
24
25
24
24
25
26
26
26
24
24
Feels °C
24
23
24
25
25
24
24
24
23
23
22
25
25
25
23
25
24
23
24
25
24
24
22
23
  • 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 Kahului Harbor 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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