Surf Forecasts:
Windmills surf forecast from 30 Aug 2026:
- Most powerful swell: Saturday 5 Sep, 8PM (local time) - 6ft (1.9m), 13s period, ENE swell with 1,236 kJ wave energy.
Best Forecast Surf Conditions for Windmills this week:
The most powerful waves expected at Windmills in the next 16 days are 1.9m 13s and forecast to arrive on Saturday (Sep 05) at 8PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 13s period and expected on Saturday (Sep 05) at 11AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 8PM (Sat 5th Sep) | 6ft (1.9m) 13s |
Table - best surf conditions forecast for Windmills over the next 16 days.
The Lowdown
G'day, Rusty here, and I've got to be straight with you—this 16-day stretch is looking pretty grim for catching waves at Windmills. With a constant ENE wind blowing across the reef, the conditions are messy and cross-shore or cross-off, which means the surf is suffering from poor quality. The water temperature is sitting at 80°F which is pretty normal for this time of year, so no surprises there.
The first real hope doesn't show up until Tuesday the 8th of September. That afternoon, the wind shifts to a gentle offshore breeze from the south at 19 mph, and the swell is coming from the ENE at 7 ft with a period of 8 seconds. The combined energy is moderate at 573, and it's clean enough to be worth a paddle. This is the standout of the whole period—offshore wind and a decent head-high swell making for some proper waves. Windmills is a reef break that's fairly consistent and can handle a bit of size, but keep in mind it's an advanced spot and crowds are often around.
Before that, it's a long wait. From the end of August right through to the 8th of September, there's nothing but poor surf conditions with strong cross-shore winds and lumpy chop. The swell sticks around, but with ENE winds cranking at 19 to 28 mph, it's a mess. On the 4th and 5th of September, the swell gets up to 8 ft to 10 ft, but the wind is so strong it's more suited for kite surfing than paddling. Only expert surfers should even consider it, and even then it's not worth it.
After that brief window on the 8th, things go back to poor conditions. The wind returns to cross-shore, and the swell drops off. The last week of the forecast is flat and weak, with combined energy readings down around 122 to 191, and the swell barely hitting 4 ft. Short period swells of 7 to 8 seconds mean the waves are weak and disorganized.
So, if you're keen, mark Tuesday the 8th of September afternoon in your calendar. That's your best shot, but it's a one-off day in a long, dry run. Things can change, so keep an eye on it.
Rusty.
Short Range ForecastLight rain (total 7mm), mostly falling on Sun night. Warm (max 26°C on Sun morning, min 25°C on Sun night). Mainly fresh winds. | Days 4-6 Weather SummaryMostly dry. Warm (max 26°C on Wed morning, min 25°C on Wed night). Winds increasing (moderate winds from the ENE on Wed morning, strong winds from the ENE by Fri morning). | ||||||||||||||||||||
Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | |||||||||||||||
AM | 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) | ENE 7 | ENE 7 | NE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | NE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 7 | ENE 8 | ENE 8 | ENE 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 185 | 211 | 233 | 289 | 329 | 294 | 365 | 429 | 314 | 322 | 310 | 253 | 310 | 480 | 459 | 525 | 587 | 469 | 372 | 468 | 909 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross-off | cross | cross | cross | cross | cross | cross-off | cross | cross | cross-off | cross | cross | cross-off | cross | cross-off | cross-off | cross | cross | cross-off |
High Tide | 3:54PM0.70m | 4:51AM0.67m | 4:12PM0.63m | 5:43AM0.68m | 4:25PM0.57m | 6:51AM0.67m | 4:21PM0.51m | 8:28AM0.68m | 10:20AM0.72m | 11:35AM0.77m | 9:36PM0.32m | ||||||||||
Low Tide | 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 | 2:26AM0.16m | 8:44PM0.32m | ||||||||||
 | |  |  | | |  | | | | |  | |  |  | | | | |  |  | |
 | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:11 | — | — |
 | — | 6:44 | — | — | 6:43 | — | — | 6:42 | — | — | 6:40 | — | — | 6:39 | — | — | 6:38 | — | — | 6:38 | — |
mm | — | — | 1 | — | — | 2 | 2 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | 2 | 1 |
Temp °C | 26 | 26 | 25 | 26 | 26 | 25 | 26 | 26 | 25 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 26 | 26 | 27 | 27 | 26 |
Feels °C | 24 | 24 | 24 | 24 | 23 | 23 | 24 | 24 | 23 | 25 | 24 | 25 | 23 | 22 | 21 | 21 | 24 | 24 | 26 | 25 | 26 |
Swell 1 Height (m) Direction Period (s) | ENE 11 | SW 16 | SW 15 | SW 15 | SW 14 | SW 15 | SW 18 | SW 18 | SSW 16 | SSW 16 | SSW 16 | E 13 | E 12 | SSW 14 | SSW 14 | E 13 | S 13 | S 13 | E 13 | SSW 8 | SSW 8 |
| kJ | 40 | 86 | 58 | 77 | 53 | 57 | 79 | 81 | 153 | 147 | 138 | 85 | 48 | 64 | 61 | 123 | 30 | 119 | 268 | 39 | 23 |
Swell 2 Height (m) Direction Period (s) | SW 16 | SSW 12 | S 11 | S 11 | SSW 18 | SSW 20 | SSW 13 | SW 14 | E 13 | E 14 | E 13 | S 15 | SSW 14 | S 10 | SW 18 | SSW 13 | SW 13 | N 12 | S 9 | NNE 10 | SW 16 |
| kJ | 90 | 14 | 21 | 9 | 33 | 37 | 16 | 32 | 14 | 37 | 28 | 110 | 69 | 2 | 12 | 34 | 7 | 3 | 61 | 18 | 41 |
Swell 3 Height (m) Direction Period (s) | SSW 12 | S 12 | SW 19 | S 8 | S 11 | S 10 | SW 14 | S 12 | S 10 | W 10 | E 15 | S 11 | S 10 | NW 9 | N 9 | W 18 | SW 18 | SW 19 | NNE 10 | SW 18 | N 9 |
| kJ | 28 | 11 | 15 | 1 | 9 | 8 | 32 | 11 | 8 | 8 | 17 | 9 | 2 | 3 | 2 | 6 | 13 | 15 | 11 | 48 | 14 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | NE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | NE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 7 | ENE 8 | ENE 8 | ENE 13 |
| kJ | 185 | 211 | 233 | 289 | 329 | 294 | 365 | 429 | 314 | 322 | 310 | 253 | 310 | 480 | 459 | 525 | 587 | 469 | 372 | 468 | 909 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 18 | 15 | 17 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 18 | 17 | 161 | 18 | 18 | 18 | 17 | 15 | 17 | 15 |
Best forecast wave conditions in Maui | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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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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