
Surf Forecasts:
Lahaina Breakwall/Harbour surf forecast from 11 Sep 2026:
- Best quality surf: Thursday 10 Sep, 11PM (local time) - 1.5ft (0.4m), 17s period, SW swell with offshore winds.
- Most powerful swell: Wednesday 16 Sep, 5PM (local time) - 2ft (0.6m), 18s period, SW swell with 249 kJ wave energy.
- Next surfable swell (1★+): Thursday 10 Sep, 11PM (local time) - 1.5ft (0.4m), 17s period with SW swell.
Best Forecast Surf Conditions for Lahaina Breakwall/Harbour this week:
The surf forecast for Lahaina Breakwall/Harbour over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Sep 10) at 11PM. The primary swell is predicted to be 0.4m and 17s period. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Lahaina Breakwall/Harbour in the next 16 days are 0.6m 18s and forecast to arrive on Wednesday (Sep 16) at 5PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.8m 6s period and expected on Wednesday (Sep 16) at 5PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Thu 10th Sep) | 1.5ft (0.4m) 17s |
| Best Surf | 11PM (Thu 10th Sep) | 1.5ft (0.4m) 17s |
| Most Powerful | 5PM (Wed 16th Sep) | 2ft (0.6m) 18s |
Table - best surf conditions forecast for Lahaina Breakwall/Harbour over the next 16 days.
The Lowdown
Alright, Rusty here, looking over what we've got for the next couple of weeks. It's gonna be a quiet stretch, so let's not waste any time.
We're looking at Lahaina Breakwall/Harbour - a reef setup that's fairly exposed. The water's sitting at 80°, which is about average for this time of year, so no surprises there. The problem is, for the first several days, it's all small, weak energy. We're talking about a combined swell energy that barely gets into the triple digits early on - just 149 initially - and it drops off from there. The swell is coming from the SW, which is right in the zone for this spot, but it's tiny, only around 1 ft with periods around 15 to 18 seconds. That's a long-period groundswell, which is usually a good sign for shape, but at this size, it just means you're bobbing around waiting for a knee-high ripple. The wind is offshore from the NE for most of the opening days, which is a big positive - clean faces - but there's just no push.
Honestly, the first recommendation that's even worth mentioning is Thursday the 16th of September. The morning is still weak (2 ft, 18 seconds, energy at 171), but the afternoon bumps up a little with the swell to 2 ft and the energy jumps to 264. Still, it's "surfable but very ordinary." Friday the 17th is similar, with energy around 218 in the afternoon but the wind picking up to 12 mph from the NE - still offshore, but gusty.
The real standout in the whole 16-day window, and I mean the only one that gets my blood moving, is Friday the 25th of September. That afternoon, the combined energy hits 322 - the highest all period - with a 2 ft SW swell at 16 seconds. The wind is light and cross-off from the SE, keeping things clean. The score for that session says "expect good surf conditions," which is the best we get. It's not big, but for Lahaina Breakwall, that's about as good as it's gonna get in this stretch. The direction works, the wind is manageable, and the consistency is there - but it is a break that's "sometimes" crowded, so you might have company. If you're free that afternoon, that's your window.
Before that, there's a small glimmer on Thursday the 24th of September in the morning. The wind is glassy - dead calm from the east at just 3 mph - and the swell is 2 ft at 18 seconds. The energy is 243, which is decent, but it's surfable, not epic.
Otherwise, a lot of this run is just small, weak, and "very ordinary." The second week is mostly the same story: small SW pulses, energy in the 100s, and cross-off or light offshore winds. Nothing to write home about. There's a notable blank spot around the 20th where the swell drops and the wind turns cross-off or onshore-ish, making it poor.
For beginners, this whole run is fine - it's never over 5 ft, so it's safe, but there's not enough power to really learn on. For anyone else, it's a long-period, small-swell grind. The long period (over 15 seconds) means the waves will have shape but will be very inconsistent, with long lulls. It's a reef, so it can handle that, but don't expect much.
Bottom line: if you're itching to get wet, aim for the afternoon of Friday the 25th of September. That's the best on offer. The rest is just a waiting game.
Rusty.
Short Range ForecastMostly dry. Warm (max 27°C on Thu afternoon, min 24°C on Thu night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 27°C on Tue afternoon, min 24°C on Sun night). Wind will be generally light. | |||||||||||||||||||
Thu 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | ||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map | ||||||||||||||||||||
Wave Height (m) Direction Period (s) | SW 18 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | SW 13 | SW 15 | SW 15 | SSW 14 | SW 14 | SW 22 | SW 21 | SW 20 | SW 19 | SW 19 | SW 18 | SW 18 | SW 17 |
Wave Graph | ||||||||||||||||||||
80 | 94 | 91 | 80 | 78 | 83 | 47 | 46 | 55 | 33 | 20 | 31 | 73 | 72 | 188 | 133 | 183 | 154 | 249 | 188 | |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off |
High Tide | 3:32PM0.73m | 3:41AM0.57m | 3:55PM0.69m | 4:20AM0.61m | 4:15PM0.63m | 4:59AM0.62m | 4:32PM0.57m | 5:39AM0.61m | 4:45PM0.51m | 6:22AM0.59m | 4:50PM0.46m | 7:15AM0.55m | 4:34PM0.42m | |||||||
Low Tide | 9:36PM0.09m | 9:21AM0.05m | 9:56PM0.06m | 9:59AM0.11m | 10:17PM0.04m | 10:36AM0.17m | 10:37PM0.03m | 11:14AM0.23m | 10:59PM0.04m | 11:55AM0.30m | 11:20PM0.05m | 12:49PM0.35m | 11:44PM0.08m | |||||||
— | — | 6:11 | — | — | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — | |
6:34 | — | — | 6:32 | — | — | 6:31 | — | — | 6:30 | — | — | 6:30 | — | — | 6:29 | — | — | 6:28 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 25 | 25 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 25 | 26 | 26 | 26 | 26 | 27 | 26 | 27 | 27 | 26 |
Feels °C | 29 | 26 | 26 | 28 | 26 | 27 | 27 | 26 | 27 | 28 | 25 | 28 | 27 | 28 | 29 | 30 | 28 | 30 | 29 | 28 |
Swell 1 Height (m) Direction Period (s) | SSW 12 | E 11 | SW 16 | SW 15 | SW 15 | ENE 10 | ENE 10 | NE 9 | NE 9 | SW 15 | NE 8 | NE 8 | SW 22 | NE 8 | NE 7 | SW 19 | SW 19 | SW 18 | SW 18 | SW 17 |
61 | 63 | 91 | 80 | 78 | 55 | 30 | 79 | 79 | 33 | 74 | 82 | 73 | 96 | 65 | 133 | 183 | 154 | 249 | 188 | |
Swell 2 Height (m) Direction Period (s) | SW 18 | SW 16 | SW 9 | SW 9 | SW 9 | SW 15 | SW 14 | ENE 9 | SW 15 | WNW 13 | SSW 14 | SW 14 | SW 14 | SW 21 | SW 20 | E 11 | NNE 8 | SSW 12 | SSW 11 | SSW 11 |
80 | 94 | 13 | 12 | 12 | 83 | 47 | 27 | 55 | 17 | 20 | 31 | 30 | 72 | 188 | 22 | 19 | 14 | 12 | 12 | |
Swell 3 Height (m) Direction Period (s) | NW 7 | NW 9 | SSW 12 | NW 9 | WNW 8 | WSW 8 | WSW 16 | SW 13 | SSW 12 | SW 12 | SSW 12 | NW 12 | SW 9 | SSW 13 | E 12 | SSW 12 | E 11 | SW 8 | SW 8 | W 8 |
8 | 14 | 13 | 12 | 7 | 7 | 25 | 46 | 14 | 6 | 14 | 6 | 3 | 17 | 25 | 15 | 36 | 3 | 3 | 1 | |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | NE 8 | ENE 8 | NE 10 | NE 8 | NE 9 | ENE 4 | ENE 9 | NE 9 | NE 4 | NNE 8 | NE 8 | — | — | NE 7 | ENE 7 | ENE 7 | ENE 6 | ENE 8 |
204 | 117 | 151 | 198 | 216 | 100 | 197 | 20 | 88 | 215 | 17 | 13 | 129 | — | — | 160 | 99 | 229 | 218 | 372 | |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Maui | ||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)
Information about the Lahaina Breakwall/Harbour Surf forecast
The above surf forecast table for Lahaina Breakwall/Harbour provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Lahaina Breakwall/Harbour can be found by selecting the local surf guide option on the grey menu. Our Lahaina Breakwall/Harbour 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 (Lahaina Breakwall/Harbour) 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 Lahaina Breakwall/Harbour 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.
Lahaina Breakwall/Harbour is 20 km (12 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.










