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JT Flemming Surf Forecast
/ HAW – Maui (46 breaks) / Hawaii (267 breaks) /
Surf Forecasts:
JT Flemming surfForecast / HAW – Maui / USA
48hr Weather and Surf, issued 7 am Monday 18 May 2026 HSTForecast update in hr min s Forecast update imminent
JT Flemming surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's JT Flemming sea temperature is
25.2° C
(Which is normal for this time of year)How big are the waves at JT Flemming today?
The current surf forecast for JT Flemming at 11AM is: 1.6m 8s primary swell from a East-northeast direction (forecast issued at 07:00am May 18). An open ocean swell of 0.4m 14s is not directed at the surf break, a second open ocean swell of 0.3m 19s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 5ft (1.5m) | 8s |
| Afternoon (18 May) | 5.5ft (1.7m) | 6s |
| Evening (18 May) | 5ft (1.5m) | 6s |
Table - waves today at JT Flemming. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 2mm), mostly falling on Tue afternoon. Warm (max 24°C on Mon morning, min 23°C on Mon night). Mainly fresh winds. | ||||||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
ENE 8 | ENE 8 | ENE 8 | ENE 6 | NW 13 | ENE 6 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 8 | NW 11 | NW 11 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | |
238 | 284 | 336 | 194 | 27 | 138 | 212 | 172 | 172 | 196 | 153 | 237 | 64 | 57 | 284 | 306 | 298 | 398 | 424 | 499 | 457 | 537 | 516 | 468 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-off | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-off | cross-off | cross | cross-off | cross-off | cross | cross | cross | cross | cross | cross-off | |
High Tide | 2:37AM0.41m | 4:58PM0.94m | 3:15AM0.38m | 5:50PM0.90m | 4:01AM0.35m | 6:45PM0.85m | ||||||||||||||||||
Low Tide | 9:04AM-0.03m | 00:25AM0.34m | 9:46AM0.01m | 1:45AM0.33m | 10:31AM0.08m | |||||||||||||||||||
 |  |  | | |  | | | | | |  | | | | | | | | | | | | | |
 | 5:47 | — | — | — | — | — | — | — | 5:47 | — | — | — | — | — | — | — | 5:47 | — | — | — | — | — | — | 5:46 |
 | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 6:59 | — | — | 6:59 |
— | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 23 | 23 | 23 |
22 | 23 | 22 | 23 | 23 | 24 | 24 | 22 | 22 | 23 | 22 | 22 | 22 | 23 | 22 | 22 | 21 | 20 | 21 | 21 | 21 | 20 | 19 | 20 | |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | SSW 14 | SSW 14 | SW 16 | SW 13 | NW 12 | NW 12 | NW 11 | SSW 14 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 11 | NNW 11 | NNW 11 |
 kJ | 51 | 51 | 80 | 81 | 61 | 44 | 37 | 36 | 33 | 80 | 60 | 63 | 64 | 57 | 57 | 56 | 75 | 69 | 69 | 69 | 63 | 44 | 44 | 44 |
Swell 2 Height (m) Direction Period (s) | NW 9 | NNW 9 | SW 19 | SW 19 | NW 13 | NW 12 | SW 16 | SW 16 | SSW 15 | NW 11 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SW 13 | SSW 16 | SSW 16 |
| kJ | 22 | 16 | 59 | 96 | 27 | 39 | 63 | 64 | 84 | 31 | 80 | 81 | 82 | 81 | 82 | 77 | 77 | 78 | 78 | 38 | 36 | 46 | 25 | 51 |
Swell 3 Height (m) Direction Period (s) | NNW 15 | NNW 15 | NNW 9 | NNW 13 | SW 19 | SW 16 | SSW 13 | SW 13 | SW 18 | SW 18 | ESE 9 | SW 18 | WSW 18 | SW 18 | N 13 | NNW 13 | WSW 16 | SW 16 | SW 16 | SW 16 | SW 17 | S 18 | SSW 13 | SSW 13 |
| kJ | 43 | 21 | 8 | 18 | 59 | 39 | 17 | 27 | 49 | 80 | 16 | 49 | 31 | 12 | 14 | 17 | 25 | 41 | 41 | 42 | 11 | 6 | 17 | 17 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 6 | ENE 6 | ENE 6 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 8 | ENE 5 | ENE 6 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 238 | 284 | 336 | 194 | 160 | 138 | 212 | 172 | 172 | 196 | 153 | 237 | 144 | 160 | 284 | 306 | 298 | 398 | 424 | 499 | 457 | 537 | 516 | 468 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 12 | 14 | 12 | 12 | 12 | 12 | 12 | 14 | 12 | 12 | 14 | 12 | 12 | 14 | 12 | 12 | 16 | 14 | 15 | 12 | 12 | 12 | 14 | 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)
Ocean Swells (m)- Wind Speed (km/h)
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