Kahului Harbor Surf Break

Lat Long: 20.90° N 156.48° W

Kahului Harbor Surf Forecast and Surf Report

Issued: 1 am 21 Oct 2026 (local time)

Forecast update in  hr  min

Today's Kahului Harbor sea temperature is
26.9°C
0.3° 

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 21 Oct 2026:

  • Most powerful swell: Tuesday 27 Oct, 2AM (local time) - 3.5ft (1.1m), 15s period, NW swell with 558 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 1.1m 15s and forecast to arrive on Tuesday (Oct 27) at 2AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 5s period and expected on Wednesday (Oct 28) at 2AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 2AM (Tue 27th Oct)3.5ft (1.1m) 15s

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


Short Range Forecast

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

Days 4-6 Weather Summary

Heavy rain (total 24mm), heaviest during Mon night. Warm (max 25°C on Sat morning, min 21°C on Mon night). Wind will be generally light.

Wednesday
21
Thursday
22
Friday
23
Saturday
24
Sunday
25
Monday
26
Tuesday
27
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
2
1
0
1
1
1
0
0
0
0
0
0
0
2
1
0
1
2
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.6
ENE
8
1.5
ENE
8
1.6
ENE
8
1.5
E
7
1.3
ENE
8
1.1
ENE
8
0.6
NW
12
1.2
ENE
8
0.6
NW
11
0.8
NE
10
0.6
NW
10
1
NNW
12
1.2
NNW
11
1.2
NNW
11
1.2
NNW
11
0.6
NW
17
0.9
NW
16
1.1
NW
15
1.1
NW
14
1.1
NW
14
1
NW
13
Wave Graph
Metric surfscale
Energy kJ
288
256
300
251
186
142
84
158
73
115
67
313
340
340
308
235
381
558
521
485
336
Wind (km/h)
20
ENE
20
ENE
15
E
15
ENE
15
ENE
10
ENE
10
NE
10
NE
15
NE
15
NNE
15
NE
15
NE
15
NE
10
NE
10
NE
10
ENE
15
NE
20
NE
15
ENE
15
E
20
ENE
Wind State
cross
cross
cross
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
High Tide
11:46AM0.67m
00:10AM0.51m
12:08PM0.67m
00:44AM0.61m
12:30PM0.66m
1:20AM0.70m
12:53PM0.63m
1:57AM0.78m
1:17PM0.60m
2:37AM0.83m
1:41PM0.55m
3:21AM0.85m
2:04PM0.51m
4:08AM0.85m
Low Tide
6:22PM0.16m
5:47AM0.20m
6:35PM0.10m
6:32AM0.19m
6:53PM0.03m
7:15AM0.20m
7:15PM-0.04m
7:59AM0.22m
7:41PM-0.09m
8:45AM0.26m
8:10PM-0.12m
9:35AM0.30m
8:43PM-0.13m
clear
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
heavy rain
heavy rain
light rain
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:22
—
—
6:22
—
—
6:24
—
—
6:24
—
—
6:24
—
—
6:24
—
—
6:24
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
5:57
—
—
5:55
—
—
5:54
—
—
5:54
—
—
5:53
—
—
5:52
—
—
5:52
—
 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
24
25
2
3
Temp °C
26
26
25
26
26
25
26
25
24
25
25
24
25
25
24
25
25
25
23
24
24
Feels °C
25
25
25
27
26
26
27
26
25
26
26
25
26
26
25
27
26
26
24
26
25
  • 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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Quick surf report for Kahului Harbor:

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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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