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Grandma's Surf Forecast
/ HAW – Maui (46 breaks) / Hawaii (267 breaks) /
Surf Forecasts:
Grandma's surfForecast / HAW – Maui / USA
48hr Weather and Surf, issued 1 pm Saturday 07 Mar 2026 HSTForecast update in hr min s Forecast 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
24.5° C
(Which is normal for this time of year)How big are the waves at Grandma's today?
The current surf forecast for Grandma's at 10PM is: 0.2m 12s primary swell from a West-northwest direction (forecast issued at 01:00pm March 07). An open ocean swell of 0.4m 8s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 Mar) | 1ft (0.3m) | 12s |
| Afternoon (07 Mar) | 1ft (0.3m) | 12s |
| Evening (07 Mar) | 1ft (0.3m) | 12s |
Table - waves today at Grandma's. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 07 | Sunday 08 | Monday 09 | Tuesday 10 | |||||||||||||||||||||
| 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) (?) | 7 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 11 | 5 | 12 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 25 | 23 | 23 | 22 | 14 | 14 | 13 | 13 | 27 | 11 | 5 | 22 | 22 | 42 | 42 | 42 | 42 | 42 | 41 | 41 | 68 | 67 | 67 | 65 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | cross- on | cross- on | cross- off | cross- off | glass | off | glass | glass | cross- on | glass | glass | glass | glass | glass | glass | glass | glass | cross | cross- off | cross | cross- off | glass | cross- off |
High Tide / height (m) | 7:22PM 0.56 | 6:39AM 0.33 | 8:20PM 0.56 | 7:24AM 0.27 | 9:26PM 0.57 | |||||||||||||||||||
Low Tide / height (m) | 12:07PM 0.00 | 1:27AM 0.18 | 12:43PM 0.02 | 2:44AM 0.20 | 1:27PM 0.04 | 4:36AM 0.20 | ||||||||||||||||||
Saturday 07 | Sunday 08 | Monday 09 | Tuesday 10 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:39 | - | - | - | - | - | - | - | 6:39 | - | - | - | - | - | - | - | 6:39 |
| Sunset | - | - | 6:32 | - | - | - | - | - | - | - | 6:32 | - | - | - | - | - | - | - | 6:32 | - | - | - | - | - |
 |  | |  | | |  | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 25 | 26 | 26 | 25 | 23 | 23 | 22 | 23 | 25 | 25 | 25 | 24 | 23 | 23 | 22 | 22 | 24 | 24 | 24 | 23 | 23 | 23 | 22 | 22 |
| Feels °C (?) | 27 | 26 | 26 | 27 | 24 | 25 | 24 | 25 | 27 | 26 | 27 | 27 | 26 | 26 | 24 | 24 | 26 | 26 | 25 | 24 | 24 | 24 | 24 | 23 |
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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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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