Surf Forecasts:
Windmills surf forecast from 31 Aug 2026:
- Most powerful swell: Saturday 5 Sep, 8AM (local time) - 6.5ft (2.0m), 14s period, ENE swell with 1,487 kJ wave energy.
Best Forecast Surf Conditions for Windmills this week:
The most powerful waves expected at Windmills in the next 16 days are 2.0m 14s and forecast to arrive on Saturday (Sep 05) at 8AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 13s period and expected on Friday (Sep 04) at 5PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 8AM (Sat 5th Sep) | 6.5ft (2.0m) 14s |
Table - best surf conditions forecast for Windmills over the next 16 days.
The Lowdown
G’day, Rusty here. Look, I’ll be straight with you – it’s a tough run ahead. We’ve got a solid 16-day window on the cards, but for the first week, it’s a write-off. The wind is a relentless cross-shore from the ENE, cranking at 15 to 22 mph, and it’s just tearing the ocean apart. The water temp is sitting at 80°, which is dead average for this time of year, so no surprises there. But the swell is a messy, short-period chop – 5ft to 7ft of it – with lousy 7 to 8-second intervals. The combined energy is moderate, sitting between 279 and 437, but it’s all wind-slop. There’s no clean face to be found. That first week, from the 31st of August through to the 6th of September, is a total blank. Don’t bother.
Now, we’ve got a gap of a few days of marginal stuff, but the only real standout in this whole stretch is a brief window on Saturday, the 5th of September. The morning sees a jump in swell to 6ft, and the period stretches out to 14 seconds – that’s a proper groundswell. The combined energy rockets up to 1353, which is strong. Wind is still a moderate 15 mph cross-shore, but the long period is the key. The swell direction is locking in from the ENE, which is the optimum direction for Windmills (reef). That long period will focus the energy, and on a reef setup, it’ll hold shape. It’s for advanced surfers only, as 6ft with that power is no joke. Crowds are often a thing here, so expect company. That Saturday morning is the one and only highlight. The afternoon and Sunday drop off in quality, so bag your waves early.
The second week gets a bit messy again. From the 7th, we see the swell period drop back to 8 seconds, and the wind stays cross. The 8th of September shows a bit of hope with a light ESE breeze at 6 mph, offering a clean cross-off, but the swell is only 6ft with a 7-second period, so it’s weak and gutless. The combined energy is 372. It’s a shrug. The rest of the week is more of the same ENE breeze – 15 to 22 mph – and the swell fades away. By the 12th of September, it’s down to 3ft and the energy is a paltry 100 to 107. From the 14th, we get a tiny 1ft groundswell from the WNW, but it’s too small to surf. That Saturday the 5th is your only real shot, and it’s a long way off, so keep an eye on the charts.
Rusty.
Short Range ForecastLight rain (total 2mm), mostly falling on Tue night. Warm (max 26°C on Mon morning, min 25°C on Mon afternoon). Mainly fresh winds. | Days 4-6 Weather SummaryLight rain (total 3mm), mostly falling on Thu night. Warm (max 26°C on Thu morning, min 25°C on Thu morning). Mainly strong winds. | ||||||||||||||||||||
Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | |||||||||||||||
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) | NE 8 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | NE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 14 | ENE 14 | ENE 13 | ENE 13 | ENE 13 | ENE 12 | ENE 12 |
Wave Graph | |||||||||||||||||||||
276 | 382 | 322 | 292 | 414 | 314 | 362 | 435 | 294 | 349 | 353 | 531 | 353 | 263 | 1226 | 1333 | 1255 | 1401 | 1157 | 1290 | 1240 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-off | cross | cross | cross-off | cross-off | cross | cross-off | cross-off | cross | cross-off | cross-off | cross | cross-off | cross | cross | cross-off | cross | cross | cross |
High Tide | 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 | 12:25PM0.82m | 11:46PM0.37m | ||||||||||
Low Tide | 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 | 7:57PM0.29m | |||||||||||
6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:11 | — | — | 6:11 | — | — | |
— | 6:43 | — | — | 6:42 | — | — | 6:40 | — | — | 6:39 | — | — | 6:38 | — | — | 6:38 | — | — | 6:37 | — | |
mm | — | — | — | — | — | 1 | 1 | — | — | — | — | 3 | — | — | — | — | — | — | — | — | 1 |
Temp °C | 26 | 26 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
Feels °C | 24 | 24 | 23 | 26 | 25 | 25 | 25 | 24 | 24 | 23 | 22 | 23 | 22 | 23 | 26 | 26 | 25 | 26 | 26 | 25 | 27 |
Swell 1 Height (m) Direction Period (s) | SW 15 | SW 14 | SW 15 | SW 18 | SW 18 | SSW 16 | SSW 16 | SSW 16 | E 13 | E 12 | SSW 14 | S 14 | E 13 | E 13 | SSW 11 | SSW 10 | SSW 10 | SSW 10 | SW 11 | SW 10 | ENE 12 |
77 | 53 | 57 | 80 | 81 | 153 | 147 | 138 | 85 | 77 | 65 | 61 | 173 | 229 | 130 | 108 | 95 | 72 | 92 | 53 | 1240 | |
Swell 2 Height (m) Direction Period (s) | S 11 | S 11 | SSW 20 | SW 14 | SW 14 | S 12 | E 14 | E 15 | SSW 15 | SSW 14 | NW 9 | S 13 | S 12 | S 11 | N 11 | NNE 10 | NNE 10 | SW 16 | SW 16 | SW 16 | SW 10 |
9 | 9 | 37 | 33 | 32 | 11 | 37 | 17 | 72 | 69 | 3 | 3 | 102 | 123 | 10 | 20 | 19 | 41 | 91 | 91 | 49 | |
Swell 3 Height (m) Direction Period (s) | W 13 | SSW 18 | S 10 | S 13 | S 12 | W 11 | W 10 | W 10 | S 11 | NW 10 | W 9 | SW 18 | W 18 | N 13 | SW 20 | SW 17 | SW 18 | N 8 | S 12 | SSW 20 | SW 15 |
3 | 33 | 8 | 13 | 11 | 9 | 8 | 2 | 9 | 4 | 2 | 12 | 6 | 3 | 15 | 47 | 48 | 6 | 11 | 37 | 56 | |
Wind waves Height (m) Direction Period (s) | NE 8 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | NE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 14 | ENE 14 | ENE 13 | ENE 13 | ENE 13 | ENE 12 | — |
276 | 382 | 322 | 292 | 414 | 314 | 362 | 435 | 294 | 349 | 353 | 531 | 353 | 263 | 1226 | 1333 | 1255 | 1401 | 1157 | 1290 | — | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 15 | 15 | 15 | 15 | 15 | 15 | 19 | 18 | 28 | 17 | 15 | 17 | 17 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
Best forecast wave conditions in Maui | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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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.











