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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 am Tuesday 03 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
24.2° 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 4AM is: 0.4m 12s primary swell from a Northwest direction (forecast issued at 01:00am March 03). An open ocean swell of 0.4m 7s is not directed at the surf break, a second open ocean swell of 1.6m 6s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (03 Mar) | 1.5ft (0.4m) | 12s |
| Afternoon (03 Mar) | 1.5ft (0.4m) | 12s |
| Evening (03 Mar) | 1.5ft (0.4m) | 12s |
Table - waves today at Grandma's. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 03 | Wednesday 04 | Thursday 05 | ||||||||||||||||||||||
| 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) (?) | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 5 | 11 | 8 | 8 | 8 | 10 | 6 | 6 | 5 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 69 | 50 | 51 | 51 | 50 | 49 | 49 | 50 | 49 | 48 | 45 | 43 | 42 | 2 | 20 | 31 | 31 | 28 | 21 | 6 | 5 | 5 | 10 | 10 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | off | cross- off | glass | glass | cross- on | off | cross- off | off | glass | on | glass | cross- on | cross | off | glass | glass | glass | on | cross- on | cross | glass |
High Tide / height (m) | 4:01AM 0.67 | 4:29PM 0.47 | 4:34AM 0.60 | 5:08PM 0.51 | 5:05AM 0.53 | 5:49PM 0.54 | ||||||||||||||||||
Low Tide / height (m) | 9:14PM -0.01 | 10:21AM -0.01 | 10:00PM 0.02 | 10:45AM -0.01 | 10:46PM 0.06 | 11:09AM -0.01 | ||||||||||||||||||
Tuesday 03 | Wednesday 04 | Thursday 05 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:45 | - | - | - | - | - | - | - | 6:43 | - | - | - | - | - | - | - | 6:43 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:30 | - | - | - | - | - | - | - | 6:30 | - | - | - | - | - | - | - | 6:31 | - |
 | | |  | | |  | |  | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 23 | 23 | 22 | 23 | 25 | 25 | 25 | 24 | 23 | 22 | 22 | 23 | 25 | 25 | 25 | 24 | 23 | 23 | 23 | 23 | 25 | 26 | 25 | 24 |
| Feels °C (?) | 25 | 24 | 23 | 23 | 26 | 27 | 27 | 26 | 24 | 23 | 24 | 26 | 27 | 27 | 26 | 26 | 25 | 26 | 25 | 25 | 27 | 27 | 26 | 27 |
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Live Wave Height (m)
Live Wind Speed (km/h)
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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