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Kahului Harbor surfForecast / HAW – Maui / USA
16 Day Weather and Surf, issued 7 pm Monday 25 May 2026 HSTForecast 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
25.3° 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 Monday (Jun 01) at 2AM. The primary swell is predicted to be 1.3m and 8s period with a secondary swell of 0.5m and 11s. Another secondary swell of 0.3m and 8s 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 1.9m 7s and forecast to arrive on Tuesday (May 26) at 5PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 18s period and expected on Monday (Jun 01) at 5PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Mon 1st Jun) | 4.5ft (1.3m) 8s |
| Best Surf | 2AM (Mon 1st Jun) | 4.5ft (1.3m) 8s |
| Most Powerful | 5PM (Tue 26th May) | 6ft (1.9m) 7s |
Table - best surf conditions forecast for Kahului Harbor over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Thu morning. Warm (max 25°C on Tue morning, min 22°C on Tue night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 3mm), mostly falling on Fri morning. Warm (max 25°C on Fri morning, min 22°C on Thu night). Wind will be generally light. | ||||||||||||||||||||
Tuesday 26 | Wednesday 27 | Thursday 28 | Friday 29 | Saturday 30 | Sunday 31 | Mon 1 | |||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
ENE 7 | ENE 7 | ENE 7 | NW 16 | NW 15 | NW 14 | NW 13 | NW 12 | ENE 7 | NW 12 | ENE 7 | ENE 7 | E 8 | ENE 8 | ENE 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | ENE 7 | |
362 | 305 | 369 | 314 | 360 | 322 | 246 | 184 | 203 | 169 | 145 | 208 | 107 | 161 | 176 | 91 | 176 | 202 | 202 | 258 | 192 | |
Wind (km/h) | |||||||||||||||||||||
cross | cross | cross | cross-on | cross | cross | cross | cross | cross | cross | cross | cross-on | cross | cross-on | cross-on | cross | cross-on | cross | cross-off | cross-on | cross-on | |
High Tide | 10:27PM0.50m | 12:40PM0.58m | 10:58PM0.46m | 1:13PM0.65m | 11:28PM0.42m | 1:45PM0.71m | 00:00AM0.40m | 2:15PM0.74m | 00:33AM0.38m | 2:47PM0.76m | 1:08AM0.37m | 3:21PM0.77m | 1:41AM0.35m | 3:56PM0.76m | |||||||
Low Tide | 5:28AM0.02m | 6:21PM0.31m | 5:50AM-0.03m | 7:17PM0.30m | 6:14AM-0.07m | 8:02PM0.29m | 6:40AM-0.10m | 8:43PM0.27m | 7:10AM-0.12m | 9:21PM0.26m | 7:41AM-0.12m | 10:00PM0.26m | 8:13AM-0.12m | ||||||||
 |  | | | | | |  | | | | | | |  | | | |  | | | |
 | — | 5:45 | — | — | 5:43 | — | — | 5:43 | — | — | 5:43 | — | — | 5:43 | — | — | 5:43 | — | — | 5:43 | — |
 | 7:00 | — | 7:00 | — | — | 7:00 | — | — | 7:00 | — | — | 7:01 | — | — | 7:01 | — | — | 7:01 | — | — | 7:02 |
— | — | — | — | — | — | — | 1 | — | — | 1 | — | — | — | — | — | — | 2 | 4 | — | 2 | |
Temp °C | 24 | 25 | 25 | 23 | 25 | 25 | 23 | 24 | 25 | 23 | 25 | 25 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 |
23 | 23 | 23 | 21 | 24 | 23 | 22 | 23 | 24 | 22 | 24 | 23 | 23 | 24 | 24 | 25 | 27 | 27 | 27 | 28 | 26 | |
Swell 1 Height (m) Direction Period (s) | NW 11 | NW 10 | NW 19 | NW 16 | NW 15 | NW 14 | ENE 7 | NW 12 | NW 12 | NE 7 | NW 11 | NNE 10 | NE 7 | NNW 10 | NNW 10 | E 8 | NNW 9 | N 8 | N 11 | NE 6 | NNW 10 |
 kJ | 29 | 16 | 129 | 314 | 360 | 322 | 188 | 184 | 175 | 69 | 103 | 78 | 107 | 63 | 55 | 78 | 29 | 21 | 59 | 76 | 31 |
Swell 2 Height (m) Direction Period (s) | W 19 | NW 21 | NW 10 | NNW 10 | NNW 9 | N 13 | NW 13 | N 11 | N 12 | NW 12 | N 11 | NNW 12 | NNW 11 | NNE 9 | NNE 10 | NNW 10 | NNE 8 | NNW 9 | N 8 | E 8 | SW 18 |
| kJ | 7 | 17 | 25 | 9 | 8 | 12 | 246 | 21 | 73 | 169 | 82 | 88 | 79 | 29 | 18 | 37 | 14 | 17 | 10 | 74 | 49 |
Swell 3 Height (m) Direction Period (s) | — | N 13 | SW 18 | SW 18 | N 13 | NNW 9 | NNE 12 | NNE 13 | SW 16 | N 13 | NE 8 | WSW 18 | NNE 10 | WSW 16 | WSW 16 | NNE 8 | N 12 | NNW 11 | SW 19 | N 10 | S 13 |
| kJ | — | 3 | 12 | 12 | 4 | 8 | 52 | 33 | 10 | 123 | 24 | 32 | 56 | 27 | 26 | 14 | 11 | 25 | 14 | 50 | 3 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | — | ENE 7 | ENE 7 | E 7 | ENE 7 | ENE 7 | E 8 | ENE 8 | ENE 8 | NE 7 | ENE 8 | ENE 8 | ENE 8 | E 8 | ENE 7 |
| kJ | 362 | 305 | 369 | 294 | 220 | 234 | — | 178 | 203 | 85 | 145 | 208 | 90 | 161 | 176 | 91 | 176 | 202 | 202 | 258 | 192 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 12 | 18 | 18 | 18 | 12 | 12 | 12 | 18 | 19 | 4 | 12 | 12 | 4 | 4 | 18 | 4 | 4 | 4 | 0 | 4 | 12 |
Best forecast wave conditions in Maui | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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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.
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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