Surf Forecasts:
JT Flemming surf forecast from 19 Aug 2026:
- Most powerful swell: Tuesday 25 Aug, 5AM (local time) - 6.5ft (2.0m), 7s period, ENE swell with 356 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 2.0m 7s and forecast to arrive on Tuesday (Aug 25) at 5AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 6s period and expected on Saturday (Aug 22) at 5PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 5AM (Tue 25th Aug) | 6.5ft (2.0m) 7s |
Table - best surf conditions forecast for JT Flemming over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s have a look at what’s on the cards.
Right off the bat, I gotta be straight with you – this is a tough stretch for JT Flemming. The whole 16-day window is a bit of a bust for a proper paddle session. The swell that does show up is mostly short-period, wind-affected slop, and the wind is locked in from the ENE, blowing cross-shore or cross-onshore the whole time, so forget about getting anything clean.
We start on Tuesday the 18th of August with a weak 4ft swell from the ENE at a pathetic 5 seconds – combined energy of just 85 – and it’s got that moderate cross-shore chop all over it. That pattern just keeps repeating. Wednesday and Thursday are even smaller, around 2ft to 4ft, with no quality at all. The wind stays on it, the period stays short, and the score never lifts off zero.
There’s a little more size later in the window – from around the 23rd onward we see pulses of 5ft to 7ft from the ENE, and the combined energy climbs into the moderate range, hitting 463 on the 29th. But the wind is still a fresh cross-shore breeze, lumping it all up. The period is still mostly short (6 to 8 seconds), so it’s just messy, blown-out junk. That 7ft on Wednesday the 26th is too big for beginners anyway, and with that chop, it’s only going to be frustrating for everyone.
Even when the period stretches a bit to 10 seconds on the 1st of September, the wind is cross-onshore, so it’s choppy. There’s no standout window. Nothing is clean. Honestly, with that consistent cross-shore wind and all that lumpy energy, this setup looks way more interesting for kite surfing than paddle surfing.
So, plain and simple: no good surf options here for the next 16 days. It’s a blank run, but that’s not unusual for this spot when the wind locks in like this. Keep the board in the car anyway – forecasts can change.
Rusty.
Short Range ForecastMostly dry. Warm (max 26°C on Thu afternoon, min 24°C on Tue night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 27°C on Sat morning, min 25°C on Sat night). Mainly fresh winds. | |||||||||||||||||||
Tue 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | ||||||||||||||
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 5 | ENE 8 | ENE 7 | NE 5 | ENE 7 | NNE 6 | NE 7 | NNE 6 | NE 7 | ENE 7 | ENE 7 | ENE 6 | WNW 10 | NW 12 | WNW 12 | ENE 6 | ENE 6 | NW 12 | ENE 6 | ENE 7 |
Wave Graph | ||||||||||||||||||||
71 | 142 | 96 | 65 | 114 | 35 | 46 | 28 | 55 | 145 | 107 | 132 | 35 | 39 | 53 | 168 | 138 | 65 | 263 | 330 | |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross-on | cross-off | cross | cross | cross-off | cross | cross | cross-off | cross | cross | cross | cross | cross | cross-off |
High Tide | 4:40PM0.53m | 9:04AM0.61m | 11:01AM0.64m | 12:06PM0.68m | 12:46PM0.73m | 11:07PM0.34m | 1:17PM0.77m | 00:14AM0.37m | 1:44PM0.80m | 00:56AM0.42m | ||||||||||
Low Tide | 00:24AM0.18m | 1:05AM0.20m | 2:20AM0.21m | 4:03AM0.21m | 9:02PM0.33m | 5:16AM0.17m | 8:40PM0.32m | 6:07AM0.14m | 8:43PM0.30m | |||||||||||
— | — | 6:05 | — | — | 6:05 | — | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | |
6:53 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:51 | — | — | 6:50 | — | — | 6:49 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 26 | 25 | 25 | 25 | 25 | 26 | 25 |
Feels °C | 24 | 25 | 26 | 26 | 26 | 27 | 29 | 29 | 29 | 27 | 26 | 25 | 24 | 25 | 24 | 23 | 24 | 24 | 24 | 25 |
Swell 1 Height (m) Direction Period (s) | S 13 | S 13 | SW 16 | SW 16 | SW 16 | E 8 | NE 7 | NNE 6 | NE 7 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | WNW 12 | SW 15 | NW 12 | NW 12 | NW 12 | NW 11 |
30 | 30 | 41 | 68 | 41 | 28 | 46 | 28 | 55 | 93 | 124 | 90 | 88 | 86 | 53 | 56 | 35 | 65 | 66 | 31 | |
Swell 2 Height (m) Direction Period (s) | SW 18 | WNW 12 | W 12 | S 12 | S 12 | SW 18 | E 7 | ENE 7 | SW 17 | W 10 | W 10 | W 10 | WNW 10 | NW 12 | SW 15 | NW 11 | SSW 14 | SW 14 | SW 13 | SW 13 |
49 | 14 | 25 | 11 | 11 | 79 | 27 | 26 | 100 | 33 | 31 | 17 | 35 | 39 | 80 | 31 | 82 | 49 | 46 | 42 | |
Swell 3 Height (m) Direction Period (s) | W 13 | WSW 18 | S 12 | W 12 | W 11 | W 8 | SW 17 | SW 16 | W 10 | S 11 | S 13 | WNW 11 | S 12 | WNW 10 | WSW 9 | SW 9 | W 9 | SW 18 | SSW 18 | SW 16 |
14 | 31 | 11 | 11 | 9 | 5 | 77 | 95 | 19 | 9 | 13 | 12 | 11 | 20 | 8 | 3 | 1 | 12 | 31 | 43 | |
Wind waves Height (m) Direction Period (s) | ENE 5 | ENE 8 | ENE 7 | NE 5 | ENE 7 | NNE 6 | — | NNE 7 | — | ENE 7 | ENE 7 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 7 |
71 | 142 | 96 | 65 | 114 | 35 | — | 9 | — | 145 | 107 | 132 | 193 | 146 | 156 | 168 | 138 | 178 | 263 | 330 | |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 12 | 12 | 12 | 12 | 1 | 2 | 12 | 1 | 1 | 12 | 9 | 15 | 16 | 12 | 12 | 12 | 12 | 12 | 37 | 12 |
Best forecast wave conditions in Maui | ||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
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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.











