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Grandma's Surf Forecast
/ HAW – Maui (46 breaks) / Hawaii (267 breaks) /
Grandma's surfForecast / HAW – Maui / USA
48hr Weather and Surf, issued 1 am Sunday 15 Jun 2025 HST
How big are the waves at Grandma's today?
The current surf forecast for Grandma's at 5AM is: 0.4m 17s primary swell from a South-southwest direction and 0.4m 12s secondary swell from a Southwest direction (forecast issued at 01:00am June 15). An open ocean swell of 1.3m 6s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Jun) | 1.5ft (0.5m) | 16s |
| Afternoon (15 Jun) | 1.5ft (0.5m) | 16s |
| Evening (15 Jun) | 2ft (0.6m) | 15s |
Table - waves today at Grandma's. (Swell directed towards the surf break)
Sunday 15 | Monday 16 | Tuesday 17 | Wednesday 18 | Thursday 19 | Friday 20 | Saturday 21 | Sunday 22 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| 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 | 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 | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | |
Rating (10 max) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Swell Height Map |    |    |    |    |    |    |    |    |    | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Period(s) (?) | 13 | 17 | 17 | 16 | 16 | 16 | 15 | 15 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 18 | 18 | 18 | 18 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 14 | 14 | 14 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Energy (?) | 130 | 142 | 135 | 147 | 189 | 171 | 150 | 179 | 162 | 158 | 144 | 134 | 92 | 116 | 89 | 116 | 108 | 82 | 84 | 77 | 100 | 99 | 103 | 113 | 112 | 114 | 111 | 126 | 160 | 157 | 180 | 167 | 120 | 153 | 137 | 158 | 157 | 157 | 157 | 153 | 109 | 100 | 92 | 131 | 128 | 90 | 92 | 93 | 63 | 61 | 59 | 54 | 54 | 49 | 48 | 56 | 74 | 67 | 62 | 58 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | off | off | cross- off | off | off | off | off | cross- off | off | glass | cross- off | off | off | off | off | off | off | off | off | off | off | off | off | off | cross- off | glass | cross- off | off | off | off | off | cross- off | cross- off | glass | glass | off | off | off | off | off | off | glass | cross- on | glass | cross- off | off | off | cross- off | glass | glass | cross | cross- off | cross- off | off | off | off | off |
High Tide / height (m) | 7:30AM 0.24 | 7:25PM 0.69 | 8:39AM 0.29 | 8:09PM 0.64 | 9:48AM 0.36 | 8:56PM 0.57 | 10:51AM 0.45 | 9:50PM 0.49 | 11:48AM 0.55 | 10:49PM 0.41 | 12:41PM 0.66 | 11:53PM 0.34 | 1:30PM 0.74 | 12:56AM 0.29 | ||||||||||||||||||||||||||||||||||||||||||||||
Low Tide / height (m) | 1:56AM 0.05 | 12:02PM 0.08 | 2:34AM 0.03 | 1:05PM 0.13 | 3:12AM 0.01 | 2:20PM 0.18 | 3:50AM -0.02 | 3:49PM 0.22 | 4:29AM -0.04 | 5:26PM 0.22 | 5:09AM -0.06 | 6:59PM 0.19 | 5:52AM -0.08 | 8:19PM 0.15 | 6:36AM -0.09 | |||||||||||||||||||||||||||||||||||||||||||||
Sunday 15 | Monday 16 | Tuesday 17 | Wednesday 18 | Thursday 19 | Friday 20 | Saturday 21 | Sunday 22 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| Sunrise | - | - | - | 5:45 | - | - | - | - | - | - | - | 5:45 | - | - | - | - | - | - | - | 5:45 | - | - | - | - | - | - | - | 5:45 | - | - | - | - | - | - | - | 5:45 | - | - | - | - | - | - | - | 5:45 | - | - | - | - | - | - | - | 5:46 | - | - | - | - | - | - | - | 5:46 |
| Sunset | - | - | - | - | - | - | 7:07 | - | - | - | - | - | - | - | 7:07 | - | - | - | - | - | - | - | 7:07 | - | - | - | - | - | - | - | 7:08 | - | - | - | - | - | - | - | 7:08 | - | - | - | - | - | - | - | 7:08 | - | - | - | - | - | - | - | 7:08 | - | - | - | - | - |
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Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 24 | 23 | 23 | 24 | 27 | 28 | 26 | 25 | 25 | 24 | 24 | 25 | 27 | 28 | 28 | 26 | 24 | 24 | 24 | 25 | 26 | 26 | 27 | 24 | 23 | 23 | 23 | 25 | 27 | 27 | 27 | 25 | 24 | 24 | 24 | 25 | 27 | 26 | 26 | 25 | 24 | 24 | 24 | 26 | 27 | 27 | 27 | 26 | 25 | 24 | 24 | 26 | 27 | 27 | 27 | 26 | 25 | 25 | 24 | 26 |
| Feels °C (?) | 24 | 23 | 22 | 23 | 28 | 28 | 26 | 26 | 26 | 25 | 26 | 27 | 29 | 29 | 29 | 27 | 24 | 25 | 25 | 26 | 28 | 28 | 27 | 23 | 24 | 24 | 24 | 26 | 29 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 29 | 28 | 27 | 26 | 25 | 25 | 26 | 28 | 29 | 27 | 30 | 28 | 26 | 25 | 25 | 28 | 29 | 28 | 29 | 26 | 26 | 27 | 25 | 26 |
- 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 Grandma's 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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