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Surf Forecasts
Kahului Harbor surf break

Kahului Harbor surfForecast / HAW – Maui / USA

information circle12 Day Weather and Surf, issued 1 pm Monday 10 Mar 2025 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
24.8° C
 (Which is slightly warmer than usual)

Best Forecast Surf Conditions for Kahului Harbor this week:

The surf forecast for Kahului Harbor over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Mar 12) at 5AM. The primary swell is predicted to be 0.9m and 17s period with a secondary swell of 0.3m and 10s. Another secondary swell of 2.1m and 8s is also forecast. The wind is predicted to be cross-shore as the swell arrives.

The most powerful waves expected at Kahului Harbor in the next 12 days are 1.4m 15s and forecast to arrive on Wednesday (Mar 12) at 11PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.1m 21s period and expected on Saturday (Mar 15) at 5AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Wed 12th Mar)7ft (2.1m) 8s
Best Surf 8AM (Fri 14th Mar)7ft (2.2m) 8s
Most Powerful11PM (Wed 12th Mar)4.5ft (1.4m) 15s

Table - best surf conditions forecast for Kahului Harbor over the next 12 days.

Hourly12 Days
Maui Surf
Print Surf Table
Updates in  hr  min  s Forecast update imminent 
Mon
10
Tuesday
11
Wednesday
12
Thursday
13
Friday
14
Saturday
15
Sunday
16
Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Sat
22
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
0
0
1
0
0
0
0
1
1
1
1
1
0
0
0
0
1
2
2
1
0
0
1
2
1
3
3
2
4
3
1
3
4
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
2
ENE
2
ENE
2.2
ENE
2.1
ENE
2.1
ENE
1.3
NNW
1.3
NNW
1.4
NNW
1.3
NNW
1.2
NNW
2
E
1.1
NW
1.1
NW
1.3
NW
1.1
NW
1.1
NW
1
NW
1.6
E
1.7
E
1.2
NNW
1.2
NNW
1.1
NNW
1.5
E
1.4
E
1.5
E
1.5
ESE
2.1
E
1.7
E
1.8
E
2.4
E
2.5
E
2.5
E
2.5
E
2.1
E
2.1
E
2.5
E
Period(s) (?)8888816161514148181615141413881413128889999991010101010
Wave
Graph
(?)Metric surfscale
Energy (?)4754875745505227498018977015385016946697055134473352923375294693333092643093156604405339791083124913018498671243
Wind
(km/h)
25
ENE
25
ENE
25
ENE
30
ENE
25
ENE
25
E
25
E
25
E
25
E
25
E
20
E
20
E
20
E
15
E
20
E
20
E
20
E
20
ENE
25
E
15
E
5
E
5
ENE
10
WNW
15
NNW
15
N
10
NE
5
NE
10
ENE
5
SSE
5
SE
20
E
0
SE
15
ENE
15
E
15
E
15
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		crosscross-
on		crosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrossglassglasscross-
on		cross-
on		oncross-
on		cross-
on		cross-
on		cross-
off		cross-
off		crossglasscrosscrosscross-
off		cross-
off
High Tide
/ height (m)
1:35AM
0.69
1:14PM
0.40
1:56AM
0.68
1:46PM
0.46
2:16AM
0.67
2:19PM
0.52
2:34AM
0.64
2:51PM
0.55
2:53AM
0.61
3:24PM
0.58
3:10AM
0.56
3:57PM
0.58
3:26AM
0.51
4:32PM
0.57
3:37AM
0.45
5:12PM
0.54
3:40AM
0.40
6:03PM
0.50
3:21AM
0.37
7:35PM
0.47
10:21PM
0.49
Low Tide
/ height (m)
6:29PM
-0.04
8:09AM
0.12
7:08PM
-0.05
8:19AM
0.09
7:43PM
-0.04
8:33AM
0.05
8:16PM
-0.02
8:50AM
0.01
8:48PM
0.02
9:08AM
-0.02
9:21PM
0.07
9:27AM
-0.04
9:54PM
0.13
9:46AM
-0.04
10:27PM
0.20
10:06AM
-0.04
11:05PM
0.26
10:27AM
-0.02
11:58PM
0.33
10:52AM
-0.00
11:29AM
0.03
12:49PM
0.06
Mon
10
Tuesday
11
Wednesday
12
Thursday
13
Friday
14
Saturday
15
Sunday
16
Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Sat
22
Sunrise--6:37--6:37--6:35--6:35--6:33--6:33--6:31--6:31--6:31--6:30--6:28--6:28
Sunset6:32--6:34--6:34--6:34--6:35--6:35--6:35--6:35--6:36--6:36--6:36--6:37--
part cloudpart cloudclearclearpart cloudpart cloudclearclearclearpart cloudpart cloudclearpart cloudclearclearthunderstorm thunderstorm part cloudthunderstorm part cloudthunderstorm thunderstorm thunderstorm part cloudthunderstorm part cloudcloudthunderstorm cloudcloudthunderstorm mod rainlight rainthunderstorm cloudpart cloud
Rain (mm)
---------------21-2-142-1--1--3621--
Temp. °C232224242224242324252324242324242324252424242324232223232324252423242324
Feels °C (?)201920211922212021222122222223232223242226262525242325252427252523262324

Short Range Forecast: Mostly dry. Warm (max 24°C on Tue morning, min 21°C on Mon night). Mainly fresh winds.

Days 3-6 Weather Summary Light rain (total 3mm), mostly falling on Sat afternoon. Warm (max 25°C on Thu afternoon, min 22°C on Thu night). Wind will be generally light.

Days 6-9 Weather Summary Moderate rain (total 10mm), heaviest on Mon afternoon. Warm (max 25°C on Sun afternoon, min 22°C on Mon night). Wind will be generally light.

Long Range Forecast: Moderate rain (total 13mm), heaviest on Thu afternoon. Warm (max 25°C on Thu afternoon, min 22°C on Thu night). Wind will be generally light.

  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
<span class="translation_missing" title="translation missing: en.leaflet.map_placeholder_alt">Map Placeholder Alt</span>
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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 12 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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