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Surf Forecasts:

Kahului Harbor surf break

Kahului Harbor surfForecast / HAW – Maui / USA

information circle16 Day Weather and Surf, issued 1 pm Sunday 15 Mar 2026 HST
Forecast update in hr  min  s Forecast update imminent
Kahului Harbor surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Kahului Harbor sea temperature is
24.3° C
 (Which is normal for this time of year)

Best Forecast Surf Conditions for Kahului Harbor this week:

The surf forecast for Kahului Harbor over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Mar 15) at 5PM. The primary swell is predicted to be 0.9m and 11s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Kahului Harbor in the next 16 days are 1.7m 12s and forecast to arrive on Wednesday (Mar 18) at 5AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 10s period and expected on Sunday (Mar 15) at 5PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 5PM (Sun 15th Mar)3ft (0.9m) 11s
Best Surf11PM (Tue 17th Mar)5ft (1.5m) 12s
Most Powerful 5AM (Wed 18th Mar)5.5ft (1.7m) 12s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table

Short Range Forecast Moderate rain (total 10mm), heaviest on Sun afternoon. Warm (max 26°C on Sun afternoon, min 22°C on Tue morning). Winds decreasing (fresh winds from the SSW on Sun afternoon, calm by Mon night).

Days 3-6 Weather Summary Heavy rain (total 49mm), heaviest during Fri afternoon. Warm (max 25°C on Thu morning, min 22°C on Fri afternoon). Wind will be generally light.

Sun
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
2
3
1
2
2
2
3
4
2
3
3
2
2
2
2
3
3
3
2
2
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.9
NW
1.6
WNW
1.3
WNW
1.2
WNW
1.1
NW
1.4
NNW
1.4
NNW
1.7
NNW
1.7
NNW
1.6
NNW
1.5
NNW
1.3
NNW
1.2
N
1.3
N
1
N
1.5
NNE
1.6
NNE
1.5
N
1.6
NNE
0.9
NNE
1.1
NNE
Period(s) (?)1110101013121212121212111110101110101099
Wave
Graph
(?)Metric surfscale
Energy kJ (?)169511346300431536589774866718569422345361200467512468454138203
Wind
(km/h)
25
SSW
15
SSW
15
SSW
15
SSW
5
SW
10
NE
5
NE
5
ESE
5
E
10
ESE
10
S
15
SSW
15
SSW
10
SSE
10
ESE
5
SSE
10
SSE
15
SSW
10
SSE
10
SSW
10
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffcross-
off		offglasscross-
on		glassglasscrosscross-
off		offoffcross-
off		offcross-
off		glassoffoffoffoffcross-
off
High Tide
/ height (m)
1:30AM
0.68
1:07PM
0.44
1:51AM
0.69
1:45PM
0.51
2:13AM
0.67
2:25PM
0.58
2:35AM
0.64
3:06PM
0.63
2:56AM
0.59
3:50PM
0.66
3:16AM
0.52
4:38PM
0.66
3:33AM
0.46
Low Tide
/ height (m)
6:29PM
-0.04
7:51AM
0.10
7:07PM
-0.05
8:08AM
0.05
7:45PM
-0.04
8:28AM
-0.01
8:23PM
-0.01
8:51AM
-0.06
9:04PM
0.05
9:17AM
-0.10
9:47PM
0.13
9:45AM
-0.12
10:35PM
0.21
10:16AM
-0.12
Sun
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunrise--6:33--6:31--6:31--6:31--6:30--6:28--6:28
Sunset6:35--6:35--6:35--6:36--6:36--6:36--6:37--
thunderstorm
rain showers
part cloud
light rain
rain showers
light rain
light rain
light rain
part cloud
thunderstorm
thunderstorm
part cloud
part cloud
rain showers
light rain
heavy rain
heavy rain
mod rain
light rain
rain showers
light rain
Rain (mm)
21-13111-31--5414166312
Temp. °C262425252423232323242325252423222322232425
Feels °C (?)252425252625262625262526262626252523242626
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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.

View detailed surf forecast for Kahului Harbor at:
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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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