Windmills Surf Break

Lat Long: 21.02° N 156.62° W

Windmills Surf Forecast and Surf Report

Issued: 1 am 28 Aug 2026 (local time)

Forecast update in  hr  min

Today's Windmills sea temperature is
27.0°C
0.3° 

Windmills surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Windmills surf forecast from 28 Aug 2026:

  • Most powerful swell: Friday 4 Sep, 2AM (local time) - 6ft (1.8m), 11s period, ENE swell with 745 kJ wave energy.

Best Forecast Surf Conditions for Windmills this week:

The most powerful waves expected at Windmills in the next 16 days are 1.8m 11s and forecast to arrive on Friday (Sep 04) at 2AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 10s period and expected on Thursday (Sep 03) at 2AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 2AM (Fri 4th Sep)6ft (1.8m) 11s

Table - best surf conditions forecast for Windmills over the next 16 days.


The Lowdown

Alright, Rusty here. Let’s have a look at what’s coming our way.

Straight up, it’s a tough start. The first week of this outlook is pretty much a write-off for decent waves. From Friday the 28th of August right through to Wednesday the 9th of September, it’s all poor surf conditions. That’s nearly two weeks of messy, chopped-up, cross-shore junk. The wind is hammering out of the ENE at 15 to 22 mph for days on end, ruining any chance of a clean face. The swell hangs around 4 ft to 6 ft but with those short periods of 5 to 8 seconds, there’s no power or shape. The combined energy stays weak to moderate (138 to 349), just adding to the frustration. For a solid week, every session is a no-go.

Things start to look a bit more promising towards the end of the run. The first real standout I can get stoked about is Windmills on the morning of Thursday the 10th of September. The swell still isn’t huge at 4 ft and coming from ENE, but the period stretches out to 10 seconds – much better. The wind swings around to a light cross-off at 12 mph from the East, and conditions turn clean. The combined energy jumps to 541, which is solid moderate. It’s still a little on the small side, but it’s a proper improvement. The next day, Friday the 11th, morning winds go offshore from the South at 12 mph, making for clean waves. Swell is 5 ft from NE, period 9 seconds, and the energy is 430. Good conditions, but the real prize is coming.

Now, the absolute standout of this whole 16-day window is Saturday the 12th of September. That morning at Windmills, we get 5 ft of ENE groundswell with a period of 11 seconds, and the wind is a glassy offshore from the South at just 9 mph. That’s clean. The combined swell energy is pumping at 876 – strong energy. It’s not too big, just a fun, powerful wave for an advanced crew. The afternoon holds even better: 6 ft from ENE, 11-second period, and the wind goes light cross-off from the SE at 6 mph. That’s about as perfect as it gets for that spot. The energy hits 1063, which is very strong. The crowd factor at Windmills is listed as “often,” so expect company. But for a reef break that’s fairly consistent, and with the swell direction matching the optimum NNW direction closely enough, this will be the session to aim for. For beginners, the morning size is fine, but the afternoon gets to 6 ft, so maybe a bit punchy if you’re not comfortable.

The only other session worth a mention is Wednesday the 9th September afternoon. It’s a 7 ft NE swell with a 9-second period and clean cross-off wind from the ENE at 19 mph. It’s just marginal. The energy is 708 – strong – but the condition call is only “marginal surf.” It’s big and clean, but not quite coming together. Good for a kite maybe, less so for a paddle.

So, to wrap it up: don’t bother paddling out until the second week. The best bet is Saturday the 12th of September. That’s your clean, powerful, and surfable day. Thursday the 10th and Friday the 11th are alright warmups.

Stay patient, and see you in the water.

Rusty

Short Range Forecast

Some drizzle, heaviest during Fri night. Warm (max 26°C on Fri morning, min 25°C on Fri morning). Mainly fresh winds.

Days 4-6 Weather Summary

Light rain (total 5mm), mostly falling on Mon night. Warm (max 26°C on Mon morning, min 25°C on Mon morning). Mainly fresh winds.

Friday
28
Saturday
29
Sunday
30
Monday
31
Tuesday
1
Wednesday
2
Thursday
3
AM
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.1
ENE
6
1.3
ENE
5
1.3
ENE
6
1.4
ENE
6
1.6
ENE
6
1.4
ENE
7
1.3
ENE
7
1.6
ENE
7
1.3
ENE
7
1.7
NE
7
1.8
NE
7
1.6
NE
8
1.7
ENE
8
1.6
NE
8
1.5
NE
8
1.4
NE
8
1.6
ENE
8
1.4
NE
8
1.6
ENE
8
1.9
ENE
5
1.8
ENE
11
Wave Graph
Metric surfscale
Energy kJ
91
95
104
145
167
180
159
222
150
276
349
283
330
322
297
255
318
236
319
194
745
Wind (km/h)
25
ENE
30
ENE
25
E
30
ENE
30
ENE
25
E
30
ENE
30
E
25
E
25
ENE
30
ENE
25
ENE
30
ENE
25
ENE
25
E
30
ENE
25
ENE
25
ENE
25
ENE
25
ENE
25
ENE
Wind State
cross
cross
cross-off
cross
cross
cross-off
cross
cross-off
cross-off
cross
cross
cross
cross
cross
cross-off
cross
cross
cross
cross
cross
cross
High Tide
3:15PM0.79m
3:25AM0.61m
3:35PM0.75m
4:06AM0.64m
3:54PM0.70m
4:51AM0.67m
4:12PM0.63m
5:43AM0.68m
4:25PM0.57m
6:51AM0.67m
4:21PM0.51m
8:28AM0.68m
Low Tide
8:37AM0.13m
9:41PM0.19m
9:14AM0.18m
10:00PM0.16m
9:53AM0.24m
10:22PM0.13m
10:36AM0.32m
10:47PM0.12m
11:29AM0.40m
11:17PM0.11m
12:50PM0.47m
11:56PM0.12m
00:52AM0.14m
clear
clear
rain showers
part cloud
clear
clear
clear
clear
clear
clear
clear
rain showers
rain showers
clear
rain showers
clear
clear
rain showers
clear
clear
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:09
6:09
6:09
6:09
6:09
6:09
6:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:45
6:45
6:44
6:43
6:42
6:40
6:39
 mm
1
1
2
1
1
1
Temp °C
26
26
25
26
26
25
25
26
25
26
26
25
26
26
26
26
26
25
26
26
25
Feels °C
25
24
23
24
24
23
23
24
24
25
24
23
26
25
26
26
24
24
24
23
24
  • Map Icons:
  • Break
  • 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 Windmills Surf forecast

The above surf forecast table for Windmills provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Windmills can be found by selecting the local surf guide option on the grey menu. Our Windmills 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 (Windmills) 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 Windmills 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.

Windmills 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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