Lahaina Breakwall/Harbour Surf Break

Lat Long: 20.88° N 156.69° W

Lahaina Breakwall/Harbour Surf Forecast and Surf Report

Issued: 1 pm 05 Aug 2026 (local time)

Forecast update in  hr  min

Today's Lahaina Breakwall/Harbour sea temperature is
26.8° C
0.4° 

Lahaina Breakwall/Harbour surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Lahaina Breakwall/Harbour surf forecast from 6 Aug 2026:

  • Best quality surf: Wednesday 12 Aug, 11AM (local time) - 1.5ft (0.5m), 18s period, SSW swell with offshore winds.
  • Most powerful swell: Wednesday 12 Aug, 11AM (local time) - 1.5ft (0.5m), 18s period, SSW swell with 180 kJ wave energy.
  • Next surfable swell (1★+): Friday 7 Aug, 2PM (local time) - 1.5ft (0.4m), 14s 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 Friday (Aug 07) at 2PM. The primary swell is predicted to be 0.4m and 14s period with a secondary swell of 0.2m and 7s. 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 0.5m 18s and forecast to arrive on Wednesday (Aug 12) at 11AM. 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 7s period and expected on Sunday (Aug 09) at 2PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 2PM (Fri 7th Aug)1.5ft (0.4m) 14s
Best Surf11AM (Wed 12th Aug)1.5ft (0.5m) 18s
Most Powerful11AM (Wed 12th Aug)1.5ft (0.5m) 18s

Table - best surf conditions forecast for Lahaina Breakwall/Harbour over the next 16 days.


The Lowdown

Alright folks, Rusty here, checkin' in with the local skinny on the surf scene. Let's be straight with each other – this 16-day outlook for Lahaina Breakwall/Harbour is a real mixed bag, and mostly pretty slow.

The first week is honestly a struggle. We kick off Wednesday the 5th with tiny surf, a mere 1ft from the SW, on a long 15-second period. The water's sitting at a comfortable 80°, which is right about normal for this time of year. The wind is light and offshore from the NE, so it'll be clean as a whistle, but there's just nothing to ride. It's pretty flat.

Thursday the 6th through Saturday the 8th look very similar. We're seeing that same tiny 0.7ft to 1ft SW swell, with clean offshore or cross-off winds. The combined wave energy is weak, around 50-95 (low energy). The wave comment calls it "surfable but very ordinary," and I'd agree – you could probably do a paddle-out just for the exercise, but that's about it.

Sunday the 9th sees a slight uptick, with the swell bumping up to 1ft and the combined energy reaching 143 (moderate). Still underwhelming though, and there's even a risk of thunderstorms in the arvo. Monday and Tuesday (10th & 11th) tick along with 1ft to 2ft SSW swells, energy stays in the 87-129 range, and the wind remains light and offshore. It's clean, but gutless.

Now, we finally see a little pulse of life on Wednesday the 12th. The morning session has that 2ft swell, but it's from the SSW with a very long 18-second period, and the combined energy jumps to 282 (moderate). The guidance says "expect good surf conditions." For Lahaina Breakwall, a long-period SW groundswell like this can actually bend in and wrap around the harbour, offering up some longer lines. Wind is light offshore from the ENE – that's glassy, clean. This is the standout in this entire run, but it's still small. If you're an intermediate surfer who loves a long board, Wednesday morning is your time. Don't expect power, just lovely, clean little peelers.

After that, it's back to the doldrums. Thursday the 13th and Friday the 14th see 2ft to 2ft S swells, but moderate onshore/cross-off winds start to mess with the surface. The combined energy drops and the conditions turn "poor." Saturday the 15th through to the end of the run on the 20th is a long, slow fade. We're talking 1ft to 1ft swells from various directions, with only one blip of a WNW swell on the 16th & 17th offering a bit of energy (113), but with moderate winds. It's just not doing much.

For a stretch of nearly 8 days from the 13th to the 20th, it's pretty much a write-off for any decent push. The setup is just too small.

The only real highlight, the one to circle on your calendar, is Wednesday morning, August 12th. Clean, long-period groundswell, light wind. It won't be big, but it'll be the best you'll see. For the rest, save your wax.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 26°C on Wed afternoon, min 24°C on Thu night). Wind will be generally light.

Days 5-7 Weather Summary

Light rain (total 2mm), mostly falling on Sun afternoon. Warm (max 27°C on Sat afternoon, min 25°C on Sat night). Wind will be generally light.

Wed
5
Thursday
6
Friday
7
Saturday
8
Sunday
9
Monday
10
Tuesday
11
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.3
SW
15
0.3
SW
15
0.3
SW
14
0.3
SW
14
0.3
SW
14
0.3
SW
14
0.3
SW
14
0.3
SW
19
0.3
SW
18
0.3
SW
18
0.4
SW
18
0.4
SW
17
0.3
SW
16
0.4
SW
16
0.3
SSW
15
0.4
SSW
15
0.4
SSW
15
0.4
SSW
14
0.5
SSW
14
0.3
SSW
19
Wave Graph
Metric surfscale
Energy kJ
36
34
33
33
33
30
39
59
53
50
79
98
41
65
43
89
86
82
115
74
Wind (km/h)
10
NE
10
ENE
15
ENE
15
NE
15
ENE
10
NE
15
ENE
15
ENE
15
ENE
15
NE
15
NE
15
ENE
15
NE
15
ENE
15
ENE
15
NE
15
NE
10
NE
10
ENE
15
ENE
Wind State
off
off
cross-off
off
off
off
off
off
cross-off
off
off
off
off
off
off
off
off
off
off
cross-off
High Tide
6:17PM0.47m
11:53AM0.54m
1:09PM0.62m
1:55PM0.70m
11:21PM0.30m
2:34PM0.76m
1:08AM0.33m
3:10PM0.80m
2:09AM0.37m
3:43PM0.82m
3:00AM0.42m
Low Tide
2:33AM0.05m
3:48AM0.03m
5:10AM0.00m
9:45PM0.27m
6:20AM-0.04m
9:27PM0.24m
7:17AM-0.07m
9:42PM0.21m
8:06AM-0.09m
10:03PM0.18m
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
thunderstorm
clear
clear
part cloud
thunderstorm
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:01
6:01
6:03
6:03
6:03
6:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:02
7:01
7:00
7:00
7:00
6:59
6:59
 mm
1
1
Temp °C
26
25
26
26
25
26
26
26
26
27
26
26
27
26
26
26
26
26
27
26
Feels °C
28
26
28
28
26
28
29
28
27
28
27
28
30
28
29
28
28
28
29
28
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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.

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