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Grandma's Surf Forecast
/ HAW – Maui (46 breaks) / Hawaii (267 breaks) /
Surf Forecasts
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Grandma's surf Forecast / HAW – Maui / USA
48hr Weather and Surf, issued 7 am Saturday 27 Apr 2024 HST
Forecast update in hr min s Update imminent
Grandma's surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Grandma's sea temperature is 24.4°C (Statistics for 27 Apr 1981-2005 - mean: 24.6 °C max: 25.7 °C min: 23.8 °C)
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Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Grandma's surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Grandma's sea temperature is 24.4°C (Statistics for 27 Apr 1981-2005 - mean: 24.6 °C max: 25.7 °C min: 23.8 °C)
How big are the waves at Grandma's today?
The current surf forecast for Grandma's at 10AM is: 0.4m 14s primary swell from a Southwest direction (forecast issued at 07:00am April 27). An open ocean swell of 0.4m 13s is not directed at the surf break, a second open ocean swell of 1.5m 8s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Apr) | 1ft (0.3m) | 15s |
| Afternoon (27 Apr) | 1.5ft (0.4m) | 14s |
| Evening (27 Apr) | 1.5ft (0.4m) | 13s |
Table - waves today at Grandma's. (Swell directed towards the surf break)
Updates in hr min s Update imminent
Saturday 27 | Sunday 28 | Monday 29 | Tuesday 30 | Wednesday 01 | Thursday 02 | Friday 03 | Saturday 04 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| 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 | 11 AM | 2 PM | |
Rating (10 max) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Swell Height Map |    |    |    |    |    |    |    |    | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Period(s) (?) | 15 | 15 | 14 | 14 | 13 | 13 | 16 | 13 | 13 | 13 | 17 | 13 | 18 | 14 | 18 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 16 | 13 | 16 | 13 | 12 | 16 | 12 | 16 | 15 | 14 | 14 | 15 | 14 | 14 | 15 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 16 | 16 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Energy (?) | 54 | 33 | 49 | 46 | 45 | 45 | 50 | 44 | 27 | 51 | 55 | 46 | 79 | 53 | 60 | 100 | 99 | 83 | 99 | 98 | 94 | 85 | 123 | 121 | 82 | 68 | 63 | 105 | 102 | 90 | 59 | 67 | 53 | 65 | 53 | 51 | 50 | 51 | 62 | 69 | 70 | 33 | 54 | 54 | 81 | 57 | 111 | 129 | 173 | 65 | 124 | 122 | 97 | 118 | 91 | 87 | 85 | 125 | 124 | 118 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | glass | cross- on | glass | glass | glass | cross- off | glass | glass | glass | glass | glass | glass | cross- off | glass | glass | glass | glass | cross- off | glass | glass | glass | glass | glass | glass | cross- off | glass | glass | glass | glass | glass | glass | off | cross- off | glass | glass | glass | cross- off | cross- off | off | cross- off | cross- off | glass | cross- off | off | off | off | off | off | off | glass | cross- off | cross- off | off | off | off | off | off | glass | on |
High Tide / height (m) | 6:02AM 0.21 | 7:06PM 0.69 | 7:09AM 0.19 | 8:03PM 0.68 | 8:42AM 0.18 | 9:05PM 0.67 | 10:12AM 0.22 | 10:06PM 0.66 | 11:22AM 0.28 | 11:05PM 0.64 | 12:18PM 0.37 | 11:59PM 0.60 | 1:07PM 0.46 | 12:49AM 0.56 | 1:53PM 0.56 | |||||||||||||||||||||||||||||||||||||||||||||
Low Tide / height (m) | 11:22AM 0.01 | 2:26AM 0.10 | 12:09PM 0.03 | 3:37AM 0.09 | 1:09PM 0.06 | 4:37AM 0.06 | 2:24PM 0.09 | 5:23AM 0.03 | 3:48PM 0.11 | 6:02AM -0.00 | 5:12PM 0.12 | 6:36AM -0.03 | 6:29PM 0.11 | 7:09AM -0.06 | ||||||||||||||||||||||||||||||||||||||||||||||
Saturday 27 | Sunday 28 | Monday 29 | Tuesday 30 | Wednesday 01 | Thursday 02 | Friday 03 | Saturday 04 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| Sunrise | - | 5:58 | - | - | - | - | - | - | - | 5:56 | - | - | - | - | - | - | - | 5:56 | - | - | - | - | - | - | - | 5:56 | - | - | - | - | - | - | - | 5:54 | - | - | - | - | - | - | - | 5:54 | - | - | - | - | - | - | - | 5:54 | - | - | - | - | - | - | - | 5:52 | - | - |
| Sunset | - | - | - | - | 6:49 | - | - | - | - | - | - | - | 6:50 | - | - | - | - | - | - | - | 6:50 | - | - | - | - | - | - | - | 6:50 | - | - | - | - | - | - | - | 6:51 | - | - | - | - | - | - | - | 6:51 | - | - | - | - | - | - | - | 6:51 | - | - | - | - | - | - | - |
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Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 23 | 23 | 25 | 25 | 25 | 25 | 24 | 24 | 23 | 24 | 25 | 24 | 25 | 24 | 23 | 23 | 23 | 23 | 25 | 25 | 25 | 24 | 23 | 23 | 23 | 23 | 25 | 25 | 25 | 24 | 23 | 23 | 22 | 24 | 25 | 25 | 25 | 24 | 23 | 22 | 22 | 24 | 25 | 25 | 24 | 23 | 23 | 22 | 22 | 23 | 25 | 26 | 25 | 23 | 23 | 22 | 22 | 23 | 25 | 25 |
| Feels °C (?) | 25 | 25 | 27 | 27 | 27 | 27 | 26 | 27 | 26 | 27 | 28 | 27 | 27 | 26 | 26 | 26 | 26 | 25 | 25 | 28 | 28 | 26 | 25 | 26 | 25 | 25 | 27 | 27 | 28 | 26 | 25 | 25 | 23 | 25 | 27 | 27 | 28 | 26 | 23 | 23 | 23 | 25 | 27 | 25 | 23 | 24 | 23 | 23 | 23 | 24 | 26 | 26 | 24 | 23 | 24 | 23 | 23 | 24 | 27 | 26 |
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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