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Kanaha surfForecast / HAW – Maui / USA
48hr Weather and Surf, issued 7 am Monday 18 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
25.1° C
(Which is normal for this time of year)How big are the waves at Kanaha today?
The current surf forecast for Kanaha at 10AM is: 1.6m 8s primary swell from a East-northeast direction and 0.3m 9s secondary swell from a North-northwest direction, 0.3m 14s secondary swell from a Northwest direction (forecast issued at 07:00am May 18). The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 5ft (1.6m) | 8s |
| Afternoon (18 May) | 5ft (1.6m) | 8s |
| Evening (18 May) | 5ft (1.5m) | 8s |
Table - waves today at Kanaha. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 4mm), mostly falling on Mon afternoon. Warm (max 25°C on Mon morning, min 23°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 8 | |
349 | 359 | 359 | 350 | 310 | 273 | 181 | 163 | 264 | 264 | 264 | 264 | 310 | 310 | 318 | 359 | 402 | 460 | 521 | 603 | 562 | 576 | 632 | 547 | |
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 | 2:16AM0.51m | 4:40PM1.00m | 2:52AM0.48m | 5:33PM0.96m | 3:32AM0.44m | 6:28PM0.91m | ||||||||||||||||||
Low Tide | 8:53AM-0.04m | 11:43PM0.42m | 9:35AM0.01m | 1:01AM0.42m | 10:19AM0.08m | |||||||||||||||||||
 |  | |  | |  | | | |  | | | | | | | | | | | | | | | |
 | 5:47 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — | 5:46 |
 | — | — | — | — | 6:57 | — | — | — | — | — | — | — | 6:57 | — | — | — | — | — | — | — | 6:58 | — | — | 6:58 |
— | — | — | 1 | 1 | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 24 | 24 | 25 | 25 | 25 | 24 | 24 | 24 | 23 | 24 | 25 | 25 | 25 | 24 | 24 | 23 | 23 | 24 | 25 | 25 | 24 | 23 | 23 | 23 |
25 | 25 | 26 | 26 | 26 | 25 | 25 | 25 | 23 | 24 | 26 | 26 | 25 | 24 | 24 | 23 | 22 | 23 | 24 | 24 | 22 | 21 | 21 | 21 | |
Swell 1 Height (m) Direction Period (s) | NW 9 | NW 9 | NNW 9 | NW 13 | NW 13 | NW 12 | E 8 | E 8 | NW 12 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NNW 11 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 11 | NNW 11 | NNW 11 |
 kJ | 22 | 21 | 16 | 28 | 27 | 39 | 51 | 52 | 34 | 31 | 59 | 63 | 64 | 58 | 57 | 78 | 76 | 71 | 69 | 69 | 72 | 64 | 44 | 44 |
Swell 2 Height (m) Direction Period (s) | NW 15 | NW 15 | NW 14 | NNW 9 | NNW 9 | NNW 9 | NW 12 | NW 12 | NW 8 | WSW 18 | WSW 18 | WSW 18 | SW 18 | SW 14 | NNW 13 | NNW 13 | SW 16 | WSW 16 | WSW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 |
| kJ | 57 | 54 | 32 | 8 | 8 | 8 | 37 | 36 | 3 | 31 | 31 | 31 | 12 | 8 | 18 | 17 | 10 | 25 | 25 | 10 | 10 | 10 | 10 | 10 |
Swell 3 Height (m) Direction Period (s) | SW 15 | SW 14 | WSW 19 | WSW 19 | WSW 19 | SW 16 | NNW 9 | NNW 8 | SW 18 | NNW 13 | SW 15 | SW 15 | SW 14 | SW 18 | SW 16 | SW 16 | — | — | — | S 13 | S 13 | S 13 | S 13 | S 13 |
| kJ | 8 | 8 | 37 | 37 | 37 | 10 | 7 | 7 | 12 | 17 | 8 | 8 | 8 | 12 | 10 | 10 | — | — | — | 3 | 3 | 3 | 3 | 3 |
Wind waves Height (m) Direction Period (s) | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 8 |
| kJ | 349 | 359 | 359 | 350 | 310 | 273 | 181 | 163 | 264 | 264 | 264 | 264 | 310 | 310 | 318 | 359 | 402 | 460 | 521 | 603 | 562 | 576 | 632 | 547 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 19 | 14 | 19 | 14 | 14 | 14 | 19 | 14 | 14 | 19 | 19 |
Best forecast wave conditions in Maui | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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