Surf Forecasts:
Kahului Harbor surf forecast from 16 Jun 2026:
- Best quality surf: Wednesday 17 Jun, 5AM (local time) - 3ft (0.9m), 8s period, ENE swell with cross-offshore winds.
- Most powerful swell: Monday 22 Jun, 5PM (local time) - 4.5ft (1.3m), 10s period, ENE swell with 333 kJ wave energy.
- Next surfable swell (1★+): Wednesday 17 Jun, 5AM (local time) - 3ft (0.9m), 8s period with ENE swell.
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 Wednesday (Jun 17) at 5AM. The primary swell is predicted to be 0.9m and 8s period with a secondary swell of 0.4m and 11s. Another secondary swell of 0.2m and 9s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Kahului Harbor in the next 16 days are 1.3m 10s and forecast to arrive on Monday (Jun 22) at 5PM. 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 6s period and expected on Friday (Jun 19) at 8AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Wed 17th Jun) | 3ft (0.9m) 8s |
| Best Surf | 5AM (Wed 17th Jun) | 3ft (0.9m) 8s |
| Most Powerful | 5PM (Mon 22nd Jun) | 4.5ft (1.3m) 10s |
Table - best surf conditions forecast for Kahului Harbor over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 26°C on Thu afternoon, min 24°C on Mon night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 2mm), mostly falling on Fri afternoon. Warm (max 27°C on Sat afternoon, min 24°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Mon 22 | |||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | ENE 10 | NE 9 | ENE 6 | ENE 9 | ENE 8 | ENE 5 | NE 9 | NE 9 | ENE 9 | NE 8 | E 6 | E 6 | E 5 | E 6 | E 5 | E 4 | ENE 8 | ENE 7 | NE 11 | NE 10 | ENE 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 192 | 155 | 59 | 116 | 99 | 40 | 61 | 50 | 52 | 35 | 30 | 29 | 28 | 29 | 43 | 26 | 105 | 101 | 75 | 71 | 333 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-on | cross | cross | cross-on | cross | cross | cross | glassy | cross | cross | cross | cross | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 2:12AM0.35m | 4:26PM0.90m | 3:05AM0.34m | 5:10PM0.86m | 4:05AM0.33m | 5:53PM0.80m | 5:17AM0.32m | 6:32PM0.73m | 6:53AM0.32m | 7:07PM0.65m | 8:53AM0.37m | 7:39PM0.57m | 10:44AM0.45m | ||||||||
Low Tide | 10:39PM0.26m | 8:45AM-0.20m | 11:29PM0.24m | 9:30AM-0.14m | 00:19AM0.23m | 10:16AM-0.05m | 1:09AM0.21m | 11:02AM0.06m | 1:56AM0.19m | 11:54AM0.18m | 2:40AM0.15m | 1:03PM0.30m | 3:18AM0.12m | 2:57PM0.39m | |||||||
 |  |  | | | | | | | | |  | | | | | | | | | | |
 | — | 5:43 | — | — | 5:43 | — | — | 5:45 | — | — | 5:45 | — | — | 5:45 | — | — | 5:45 | — | — | 5:45 | — |
 | 7:07 | — | 7:07 | — | — | 7:07 | — | — | 7:08 | — | — | 7:08 | — | — | 7:08 | — | — | 7:08 | — | — | 7:08 |
mm | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 25 | 26 | 25 | 26 | 26 | 25 | 26 | 27 | 25 | 25 | 25 | 24 | 25 | 25 |
Feels °C | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 29 | 29 | 28 | 29 | 28 | 26 | 27 | 28 | 26 | 25 | 24 | 23 | 24 | 25 |
Swell 1 Height (m) Direction Period (s) | SW 16 | NW 12 | NE 9 | ENE 9 | NW 10 | NW 10 | NE 9 | NE 9 | NW 10 | NE 8 | E 6 | E 6 | NW 9 | NW 8 | NW 8 | NE 8 | NE 12 | NE 12 | NE 11 | NE 10 | NNW 7 |
| kJ | 38 | 36 | 37 | 116 | 37 | 36 | 61 | 50 | 34 | 35 | 30 | 29 | 12 | 11 | 11 | 11 | 22 | 65 | 73 | 69 | 9 |
Swell 2 Height (m) Direction Period (s) | NW 11 | SW 15 | NW 11 | NW 11 | N 8 | N 8 | NW 10 | NW 10 | ESE 6 | NW 9 | NE 8 | NW 9 | NE 8 | NE 8 | NE 8 | NW 8 | NW 8 | NW 8 | NNW 7 | NNW 7 | NW 12 |
| kJ | 20 | 34 | 42 | 42 | 6 | 5 | 49 | 35 | 6 | 31 | 23 | 29 | 9 | 9 | 11 | 10 | 9 | 14 | 10 | 10 | 22 |
Swell 3 Height (m) Direction Period (s) | NNW 7 | N 7 | SSW 14 | N 9 | SW 18 | N 11 | ESE 5 | ESE 6 | N 9 | N 8 | NW 9 | NE 8 | SW 17 | SW 16 | ESE 8 | NE 11 | SW 18 | SW 16 | WSW 16 | NW 12 | N 10 |
| kJ | 4 | 1 | 20 | 6 | 12 | 9 | 8 | 7 | 6 | 1 | 29 | 23 | 12 | 10 | 7 | 5 | 13 | 10 | 26 | 6 | 2 |
Wind waves Height (m) Direction Period (s) | ENE 10 | NE 9 | ENE 6 | — | ENE 8 | ENE 5 | — | — | ENE 9 | E 5 | ESE 6 | ESE 6 | E 5 | E 6 | E 5 | E 4 | ENE 8 | ENE 7 | ENE 6 | ENE 6 | ENE 10 |
| kJ | 192 | 155 | 59 | — | 99 | 40 | — | — | 52 | 14 | 55 | 55 | 28 | 29 | 43 | 26 | 105 | 101 | 75 | 71 | 333 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 4 | 4 | 4 | 4 | 4 | 12 | 4 | 4 | 4 | 0 | 4 | 4 | 12 | 12 | 12 | 12 | 12 | 18 | 18 | 12 | 12 |
Best forecast wave conditions in Maui | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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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.
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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