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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 Thursday 21 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
25.4° 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: 2.1m 8s primary swell from a East-northeast direction and 0.3m 10s secondary swell from a North-northwest direction (forecast issued at 07:00am May 21). An open ocean swell of 0.3m 16s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | 7ft (2.1m) | 8s |
| Afternoon (21 May) | 7ft (2.2m) | 8s |
| Evening (21 May) | 7.5ft (2.3m) | 8s |
Table - waves today at JT Flemming. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 24°C on Thu morning, min 22°C on Thu night). Mainly strong winds. | ||||||||||||||||||||||||
Thursday 21 | Friday 22 | Saturday 23 | Sun 24 | |||||||||||||||||||||
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 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | |
520 | 560 | 574 | 597 | 713 | 713 | 675 | 653 | 615 | 577 | 587 | 587 | 620 | 650 | 572 | 572 | 541 | 525 | 617 | 734 | 666 | 634 | 599 | 522 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | |
High Tide | 5:24AM0.33m | 7:41PM0.79m | 7:54AM0.33m | 8:35PM0.73m | 10:17AM0.40m | 9:25PM0.68m | ||||||||||||||||||
Low Tide | 3:04AM0.31m | 11:21AM0.16m | 3:55AM0.28m | 12:26PM0.26m | 4:29AM0.25m | 2:09PM0.35m | ||||||||||||||||||
 |  | | |  | | | | | | | | |  | | | | | | | | | | | |
 | 5:46 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — | 5:46 |
 | — | — | — | — | 6:59 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:00 | — | — | 7:00 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 23 | 24 | 24 | 24 | 23 | 23 | 23 | 22 | 23 | 23 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 23 | 23 | 23 | 23 |
19 | 20 | 20 | 20 | 18 | 18 | 18 | 18 | 19 | 18 | 19 | 19 | 18 | 18 | 18 | 20 | 19 | 18 | 17 | 18 | 18 | 19 | 19 | 19 | |
Swell 1 Height (m) Direction Period (s) | NNW 10 | NNW 10 | SSW 16 | NNW 10 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | NW 10 | NW 10 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 10 | NNW 16 | NNW 16 | NNW 15 | NNW 14 | NNW 14 |
 kJ | 37 | 20 | 50 | 19 | 44 | 43 | 42 | 42 | 42 | 42 | 26 | 27 | 29 | 30 | 30 | 30 | 30 | 29 | 28 | 102 | 97 | 144 | 138 | 129 |
Swell 2 Height (m) Direction Period (s) | SSW 16 | SSW 16 | NNW 10 | SSW 16 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | NNW 17 | NW 10 | NW 10 | SSW 15 | SSW 15 | SSW 15 |
| kJ | 50 | 50 | 20 | 48 | 9 | 9 | 9 | 9 | 11 | 10 | 41 | 39 | 37 | 36 | 54 | 51 | 51 | 51 | 56 | 27 | 26 | 42 | 42 | 42 |
Swell 3 Height (m) Direction Period (s) | SSW 13 | SSW 13 | SSW 13 | SSW 12 | S 12 | S 12 | S 12 | S 12 | NW 9 | S 12 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 13 | S 12 | SSW 13 | SSW 13 | SSW 16 | SSW 16 | SSW 15 | NW 10 | NW 10 | NW 10 |
| kJ | 17 | 17 | 17 | 15 | 3 | 3 | 3 | 3 | 3 | 3 | 31 | 31 | 30 | 30 | 17 | 3 | 17 | 17 | 50 | 48 | 74 | 26 | 25 | 25 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 |
| kJ | 520 | 560 | 574 | 597 | 713 | 713 | 675 | 653 | 615 | 577 | 587 | 587 | 620 | 650 | 572 | 572 | 541 | 525 | 617 | 734 | 666 | 634 | 599 | 522 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 15 | 14 | 15 | 14 | 16 | 160 | 149 | 12 | 15 | 16 | 37 | 36 | 162 | 149 | 15 | 12 | 15 | 15 | 16 | 327 | 16 | 14 | 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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