Kahului Harbor Surf Break

Lat Long: 20.90° N 156.48° W

Kahului Harbor Surf Forecast and Surf Report

Issued: 1 pm 14 Oct 2026 (local time)

Forecast update in  hr  min

Today's Kahului Harbor sea temperature is
27.0°C
0.4° 

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


Kahului Harbor surf forecast from 15 Oct 2026:

  • Most powerful swell: Monday 19 Oct, 11AM (local time) - 6.5ft (2.0m), 8s period, ENE swell with 489 kJ wave energy.

Best Forecast Surf Conditions for Kahului Harbor this week:

The most powerful waves expected at Kahului Harbor in the next 16 days are 2.0m 8s and forecast to arrive on Monday (Oct 19) at 11AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.2m 18s period and expected on Wednesday (Oct 14) at 5PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful11AM (Mon 19th Oct)6.5ft (2.0m) 8s

Table - best surf conditions forecast for Kahului Harbor over the next 16 days.


Short Range Forecast

Some drizzle, heaviest during Wed night. Warm (max 27°C on Thu morning, min 24°C on Wed night). Wind will be generally light.

Days 5-7 Weather Summary

Some drizzle, heaviest during Sat night. Warm (max 26°C on Sat afternoon, min 24°C on Sat night). Wind will be generally light.

Wed
14
Thursday
15
Friday
16
Saturday
17
Sunday
18
Monday
19
Tuesday
20
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
1
0
0
0
0
0
0
0
0
1
1
0
1
1
1
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)
1.1
NW
13
1.1
NW
12
0.9
NNW
12
0.9
NW
12
0.8
NNW
11
0.8
NNW
11
1
NNW
13
1.1
NNW
11
1.1
NNW
11
1
NNW
11
1.6
ENE
7
1
N
12
1.9
ENE
8
2
ENE
8
2
ENE
8
1.9
ENE
8
1.7
ENE
8
1.9
ENE
7
1.8
ENE
7
1.9
ENE
8
Wave Graph
Metric surfscale
Energy kJ
437
347
247
202
154
140
356
331
303
249
251
319
422
474
489
408
310
365
337
408
Wind (km/h)
20
NE
15
ENE
20
ENE
25
ENE
20
ENE
20
ENE
20
ENE
20
ENE
20
ENE
20
ENE
20
ENE
25
ENE
25
ENE
20
ENE
25
ENE
20
ENE
20
ENE
25
E
25
ENE
20
E
Wind State
cross-on
cross
cross
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross-on
cross
cross
cross-on
cross
cross
cross
cross
cross
cross
cross
High Tide
2:44PM0.45m
5:26AM0.67m
2:25PM0.42m
6:36AM0.62m
8:29AM0.59m
10:02AM0.61m
10:50AM0.64m
10:57PM0.33m
11:21AM0.66m
11:35PM0.41m
Low Tide
9:33PM0.02m
12:13PM0.41m
9:58PM0.07m
10:26PM0.12m
11:08PM0.18m
1:45AM0.23m
6:27PM0.25m
3:53AM0.23m
6:17PM0.21m
4:58AM0.21m
clear
rain showers
clear
clear
part cloud
clear
clear
clear
clear
clear
rain showers
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
6:20
—
—
6:20
—
—
6:20
—
—
6:22
—
—
6:22
—
—
6:22
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:01
—
—
6:00
—
—
6:00
—
—
6:00
—
—
5:59
—
—
5:58
—
—
5:58
—
 mm
—
1
—
—
—
—
—
—
—
—
1
—
—
—
—
—
—
—
—
—
Temp °C
26
25
27
26
25
26
26
25
26
26
25
26
26
25
26
26
25
26
27
25
Feels °C
27
26
27
25
25
25
25
24
25
26
24
25
25
24
25
26
25
25
26
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
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Information about the Kahului Harbor Surf forecast

The above surf forecast table for Kahului Harbor provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Kahului Harbor can be found by selecting the local surf guide option on the grey menu. Our Kahului Harbor surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Kahului Harbor) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Kahului Harbor may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Kahului Harbor is 3 km (2 miles) from Wailuku. If you plan a vacation in Maui, look for hotels and other accommodation in Wailuku. Wailuku has rooms for a wide range of budgets as well as car hire and transport links.

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