Surf Forecasts:
JT Flemming 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 JT Flemming this week:
The most powerful waves expected at JT Flemming 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 Type | Time (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 JT Flemming over the next 16 days.
The Lowdown
Alright, Rusty here again, let’s give it to you in feet and miles per hour.
So, for JT Flemming, we’re looking at a tough start. From Friday the 28th of August all the way through Tuesday the 8th of September, it’s just a bunch of poor surf days. Swell runs from about 4ft to 7ft, but the wind is locked in from the ENE at 15 to 18 mph, blowing cross-shore. That’s going to chop it up bad, and with a short period of 5 to 7 seconds, the waves will be weak and messy. That’s a solid ten-day gap of nothing good.
The water’s about 81°, right on the money for this time of year.
Things start looking up on Thursday the 10th of September. It’s still iffy, but the wind goes lighter and swings cross-offshore from the east at 12 mph, cleaning things up a bit. By Friday the 11th of September, we get proper light offshore winds from the south at 12 mph. Swell is 5ft from the NE with a 9-second period – that’s gonna be clean and fun.
The real winner, though, is Saturday the 12th of September. Morning brings 5ft from the ENE with a 11-second period – that’s real groundswell energy. Wind is light offshore from the south at 9 mph. Glassy. By afternoon, it bumps up to 6ft from the ENE, still 11 seconds, and the wind drops to just 6 mph from the southeast. Combined energy hits 1063 (strong). That’s a solid day. The swell direction isn’t exactly the optimum NNW for this point, but with that quality and those offshore winds, it’ll be breaking nicely. This spot rarely breaks, so when it’s on, it’s special. It’s beginner-friendly, but expect some company.
Bottom line: first ten days are a bust, then Thursday and Friday get better, but Saturday the 12th is the one to chase.
Rusty
Short Range ForecastSome 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 SummaryLight 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 | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | ENE 6 | ENE 5 | ENE 6 | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | NE 7 | NE 7 | NE 8 | ENE 8 | NE 8 | NE 8 | NE 8 | ENE 8 | NE 8 | ENE 8 | ENE 5 | ENE 11 |
Wave Graph  | |||||||||||||||||||||
 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) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | 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 | ||||||||
 | |  |  | |  | | | | | | |  | | | | | | | | | |
 | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — |
 | — | 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 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SSW 14 | E 14 | E 13 | SSW 12 | ENE 12 | ENE 11 | SW 16 | SW 15 | SW 15 | SW 14 | SW 15 | SW 18 | SW 18 | SSW 16 | SSW 16 | SSW 16 | E 10 | SSW 14 | SSW 14 | SSW 13 |
| kJ | 67 | 61 | 94 | 87 | 30 | 47 | 40 | 62 | 80 | 77 | 53 | 57 | 80 | 81 | 105 | 147 | 140 | 102 | 69 | 64 | 60 |
Swell 2 Height (m) Direction Period (s) | ENE 15 | ENE 15 | SSW 13 | SSW 13 | SW 17 | SW 17 | SW 16 | SSW 12 | E 10 | S 11 | SSW 18 | SSW 20 | SW 14 | SW 14 | E 13 | E 12 | ESE 12 | S 15 | E 13 | W 9 | W 9 |
| kJ | 47 | 71 | 59 | 33 | 46 | 71 | 90 | 14 | 18 | 9 | 33 | 37 | 33 | 32 | 14 | 26 | 47 | 110 | 28 | 2 | 2 |
Swell 3 Height (m) Direction Period (s) | S 15 | S 14 | SW 19 | SW 18 | S 13 | SSW 12 | SSW 12 | S 12 | S 11 | S 8 | S 11 | S 10 | W 12 | S 12 | S 12 | W 10 | E 15 | E 13 | W 9 | N 9 | SW 18 |
| kJ | 17 | 37 | 14 | 49 | 14 | 28 | 28 | 11 | 21 | 5 | 9 | 8 | 11 | 11 | 11 | 8 | 17 | 55 | 2 | 2 | 12 |
Wind waves Height (m) Direction Period (s) | ENE 6 | ENE 5 | ENE 6 | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | NE 7 | NE 7 | NE 8 | ENE 8 | NE 8 | NE 8 | NE 8 | ENE 8 | NE 8 | ENE 8 | ENE 5 | ENE 11 |
| kJ | 91 | 95 | 104 | 145 | 167 | 180 | 159 | 222 | 150 | 276 | 349 | 283 | 330 | 322 | 297 | 255 | 318 | 236 | 319 | 194 | 745 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 12 | 12 | 14 | 12 | 12 | 12 | 12 | 14 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 14 | 12 | 12 | 12 | 12 |
Best forecast wave conditions in Maui | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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Information about the JT Flemming Surf forecast
The above surf forecast table for JT Flemming provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at JT Flemming can be found by selecting the local surf guide option on the grey menu. Our JT Flemming 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 (JT Flemming) 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 JT Flemming 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.
JT Flemming is 21 km (13 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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