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Kanaha surfForecast / HAW – Maui / USA
48hr Weather and Surf, issued 1 pm Thursday 21 May 2026 HSTForecast update in hr min s Forecast update imminent
Kanaha surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Kanaha sea temperature is
25.4° C
(Which is normal for this time of year)How big are the waves at Kanaha today?
The current surf forecast for Kanaha at 6PM is: 2.5m 9s primary swell from a East-northeast direction and 0.3m 10s secondary swell from a North-northwest direction (forecast issued at 01:00pm May 21). An open ocean swell of 0.1m 15s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | 7ft (2.2m) | 8s |
| Afternoon (21 May) | 7.5ft (2.3m) | 9s |
| Evening (21 May) | 8ft (2.4m) | 9s |
Table - waves today at Kanaha. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 25°C on Thu afternoon, min 22°C on Thu night). Mainly fresh winds. | ||||||||||||||||||||||||
Thu 21 | Friday 22 | Saturday 23 | Sun 24 | |||||||||||||||||||||
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 | 5 AM | 8 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | NE 8 | NE 8 | ENE 8 | NE 8 | NE 8 | NE 8 | NE 8 | |
711 | 795 | 860 | 885 | 839 | 775 | 714 | 671 | 714 | 669 | 638 | 667 | 667 | 651 | 667 | 667 | 667 | 751 | 751 | 715 | 663 | 534 | 522 | 534 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 7:24PM0.85m | 6:53AM0.39m | 8:20PM0.80m | 9:36AM0.44m | 9:10PM0.74m | |||||||||||||||||||
Low Tide | 11:09AM0.17m | 3:34AM0.36m | 12:11PM0.28m | 4:12AM0.31m | 1:45PM0.38m | 4:41AM0.26m | ||||||||||||||||||
 | | |  | |  | | | | |  | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — |
 | — | — | 6:58 | — | — | — | — | — | — | — | 6:59 | — | — | — | — | — | — | — | 6:59 | — | — | — | — | 6:59 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 25 | 25 | 24 | 23 | 23 | 22 | 22 | 23 | 25 | 25 | 24 | 23 | 23 | 22 | 23 | 24 | 24 | 24 | 24 | 23 | 23 | 22 | 22 | 23 |
22 | 22 | 21 | 20 | 20 | 20 | 19 | 19 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 20 | 20 | 19 | 19 | 20 | |
Swell 1 Height (m) Direction Period (s) | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NW 10 | NW 10 | NW 11 | NW 11 | NW 11 | NNW 11 | NNW 11 | NNW 11 | NW 10 | NNW 16 | NNW 16 | NNW 15 | NNW 14 | NNW 14 | NNW 13 | NW 13 |
 kJ | 20 | 19 | 19 | 9 | 9 | 9 | 11 | 10 | 26 | 26 | 29 | 30 | 30 | 46 | 46 | 45 | 28 | 102 | 142 | 146 | 140 | 133 | 120 | 140 |
Swell 2 Height (m) Direction Period (s) | NW 9 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | NW 9 | SW 15 | SW 18 | S 14 | S 14 | S 14 | SW 17 | SW 17 | NW 19 | NNW 18 | NNW 17 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 |
| kJ | 3 | 9 | 9 | 9 | 9 | 9 | 3 | 9 | 13 | 4 | 4 | 4 | 12 | 12 | 14 | 31 | 58 | 27 | 26 | 26 | 25 | 25 | 15 | 15 |
Swell 3 Height (m) Direction Period (s) | SW 16 | S 12 | — | — | — | — | SW 15 | — | — | — | — | — | N 21 | N 20 | SW 17 | SW 16 | SW 16 | S 16 | S 16 | S 14 | S 16 | S 16 | S 15 | — |
| kJ | 10 | 3 | — | — | — | — | 9 | — | — | — | — | — | 9 | 8 | 11 | 10 | 10 | 5 | 5 | 4 | 5 | 5 | 4 | — |
Wind waves Height (m) Direction Period (s) | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | NE 8 | NE 8 | ENE 8 | NE 8 | NE 8 | NE 8 | NE 8 |
| kJ | 711 | 795 | 860 | 885 | 839 | 775 | 714 | 671 | 714 | 669 | 638 | 667 | 667 | 651 | 667 | 667 | 667 | 751 | 751 | 715 | 663 | 534 | 522 | 534 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 24 | 19 | 148 | 142 | 24 | 19 | 19 | 19 | 19 | 19 | 148 | 19 | 19 | 19 | 24 | 130 | 360 | 351 | 19 | 19 | 24 | 19 | 19 | 19 |
Best forecast wave conditions in Maui | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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