- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
H-Reef surfForecast / HAW – Maui / USA
48hr Weather and Surf, issued 1 pm Monday 18 May 2026 HSTForecast update in hr min s Forecast update imminent
H-Reef surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's H-Reef sea temperature is
25.1° C
(Which is normal for this time of year)How big are the waves at H-Reef today?
The current surf forecast for H-Reef at 10PM is: 1.7m 8s primary swell from a East direction and 0.4m 12s secondary swell from a Northwest direction, 0.2m 9s secondary swell from a North-northwest direction (forecast issued at 01:00pm May 18). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 6ft (1.9m) | 8s |
| Afternoon (18 May) | 6ft (1.8m) | 8s |
| Evening (18 May) | 5.5ft (1.7m) | 8s |
Table - waves today at H-Reef. (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 afternoon, min 23°C on Mon night). Mainly fresh winds. | ||||||||||||||||||||||||
Mon 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | E 9 | E 9 | ENE 8 | ENE 8 | |
481 | 432 | 386 | 377 | 382 | 339 | 339 | 382 | 373 | 377 | 386 | 432 | 432 | 443 | 552 | 608 | 637 | 708 | 742 | 742 | 742 | 725 | 704 | 748 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | |
High Tide | 4:40PM1.00m | 2:52AM0.48m | 5:33PM0.96m | 3:32AM0.44m | 6:28PM0.91m | 4:36AM0.41m | ||||||||||||||||||
Low Tide | 8:53AM-0.04m | 11:43PM0.42m | 9:35AM0.01m | 1:01AM0.42m | 10:19AM0.08m | 2:29AM0.40m | ||||||||||||||||||
 |  |  |  | |  | | | |  | |  | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — | — | 5:45 | — |
 | — | — | 6:57 | — | — | — | — | — | — | — | 6:57 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | 6:58 |
— | 1 | — | — | — | — | — | — | — | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 25 | 25 | 25 | 24 | 24 | 23 | 23 | 24 | 25 | 25 | 24 | 24 | 24 | 23 | 23 | 24 | 25 | 24 | 24 | 23 | 23 | 23 | 23 | 23 |
25 | 25 | 25 | 24 | 24 | 23 | 23 | 24 | 25 | 25 | 24 | 24 | 24 | 22 | 22 | 22 | 24 | 22 | 22 | 21 | 21 | 21 | 20 | 20 | |
Swell 1 Height (m) Direction Period (s) | NNW 9 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | 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 | NNW 10 | NNW 10 |
 kJ | 16 | 28 | 27 | 39 | 37 | 37 | 34 | 31 | 59 | 61 | 64 | 59 | 57 | 78 | 78 | 71 | 69 | 69 | 72 | 64 | 44 | 44 | 43 | 20 |
Swell 2 Height (m) Direction Period (s) | NW 14 | NNW 9 | NNW 9 | NNW 9 | NNW 9 | NNW 8 | NW 8 | NNW 13 | W 18 | W 18 | N 15 | W 18 | NNW 13 | N 13 | W 16 | W 16 | W 16 | W 16 | W 16 | W 16 | — | — | — | NW 9 |
| kJ | 33 | 8 | 8 | 8 | 8 | 7 | 3 | 17 | 6 | 6 | 4 | 6 | 18 | 14 | 5 | 5 | 5 | 5 | 5 | 5 | — | — | — | 3 |
Swell 3 Height (m) Direction Period (s) | W 19 | W 19 | W 19 | W 19 | W 9 | W 18 | W 18 | NW 8 | SSW 14 | SSW 17 | W 18 | S 16 | W 17 | W 16 | SW 16 | SW 16 | SSW 18 | S 18 | S 18 | S 18 | S 17 | SSW 13 | SSW 13 | — |
| kJ | 7 | 7 | 7 | 7 | 1 | 6 | 6 | 3 | 40 | 29 | 6 | 5 | 6 | 5 | 10 | 10 | 30 | 25 | 25 | 24 | 22 | 17 | 17 | — |
Wind waves Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | E 9 | E 9 | ENE 8 | ENE 8 |
| kJ | 481 | 432 | 386 | 377 | 382 | 339 | 339 | 382 | 373 | 377 | 386 | 432 | 432 | 443 | 552 | 608 | 637 | 708 | 742 | 742 | 742 | 725 | 704 | 748 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 25 | 23 | 26 | 26 | 25 | 25 | 25 | 25 | 33 |
Best forecast wave conditions in Maui | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our H-Reef surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest