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H-Reef surfForecast / HAW – Maui / USA
48hr Weather and Surf, issued 1 am Tuesday 21 Apr 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
24.4° 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 5AM is: 0.8m 8s primary swell from a East-southeast direction and 0.8m 7s secondary swell from a North-northeast direction (forecast issued at 01:00am April 21). The wind direction is predicted to be glassy.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Apr) | 3ft (0.9m) | 8s |
| Afternoon (21 Apr) | 3ft (0.9m) | 8s |
| Evening (21 Apr) | 2.5ft (0.8m) | 16s |
Table - waves today at H-Reef. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 21 | Wednesday 22 | Thursday 23 | ||||||||||||||||||||||
| 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 | 11 AM | 2 PM | 5 PM | 8 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 7 | 7 | 8 | 8 | 8 | 8 | 16 | 16 | 15 | 14 | 14 | 14 | 13 | 13 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 91 | 73 | 77 | 81 | 93 | 100 | 149 | 284 | 422 | 515 | 811 | 733 | 700 | 669 | 585 | 477 | 461 | 385 | 331 | 270 | 265 | 218 | 202 | 176 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | glass | glass | cross | cross | cross | cross | cross | cross | cross | cross- off | cross | cross- on | cross | cross | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 3:11AM 0.50 | 6:44PM 0.86 | 8:06PM 0.82 | |||||||||||||||||||||
Low Tide / height (m) | 12:42AM 0.47 | 10:26AM 0.07 | 11:12AM 0.15 | 12:21PM 0.24 | ||||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:01 | - | - | - | - | - | - | - | 6:01 | - | - | - | - | - | - | - | 6:00 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:45 | - | - | - | - | - | - | - | 6:45 | - | - | - | - | - | - | - | 6:46 | - |
 | | |  | |  | |  | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 23 | 23 |
| Feels °C (?) | 25 | 26 | 26 | 28 | 27 | 27 | 27 | 27 | 25 | 25 | 26 | 27 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 24 | 26 | 25 | 23 | 23 |
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Live Wave Height (m)
Live Wind Speed (km/h)
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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.
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