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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 Thursday 26 Feb 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 6AM is: 0.2m 15s primary swell from a South-southwest direction and 0.2m 16s secondary swell from a South direction (forecast issued at 01:00am February 26). An open ocean swell of 0.7m 12s is not directed at the surf break, a second open ocean swell of 0.3m 6s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 Feb) | 0.5ft (0.2m) | 15s |
| Afternoon (26 Feb) | 0.5ft (0.2m) | 15s |
| Evening (26 Feb) | 0.5ft (0.2m) | 15s |
Table - waves today at Grandma's. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 26 | Friday 27 | Saturday 28 | ||||||||||||||||||||||
| 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) (?) | 15 | 15 | 16 | 15 | 15 | 16 | 15 | 15 | 14 | 14 | 15 | 15 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 22 | 22 | 21 | 21 | 21 | 22 | 22 | 17 | 20 | 20 | 21 | 36 | 38 | 39 | 38 | 35 | 34 | 33 | 33 | 54 | 33 | 50 | 29 | 29 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | off | glass | glass | cross- off | off | off | glass | glass | glass | glass | cross- on | glass | glass | off | off | off | glass | glass | cross- on | cross- off | cross- off |
High Tide / height (m) | 12:25AM 0.73 | 12:36PM 0.23 | 1:19AM 0.76 | 1:35PM 0.27 | 2:06AM 0.77 | 2:24PM 0.32 | ||||||||||||||||||
Low Tide / height (m) | 7:59AM 0.09 | 5:34PM -0.00 | 8:35AM 0.05 | 6:38PM -0.02 | 9:06AM 0.03 | 7:35PM -0.02 | ||||||||||||||||||
Thursday 26 | Friday 27 | Saturday 28 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:48 | - | - | - | - | - | - | - | 6:48 | - | - | - | - | - | - | - | 6:47 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:29 | - | - | - | - | - | - | - | 6:29 | - | - | - | - | - | - | - | 6:30 | - |
 | | |  | |  | | |  | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 20 | 20 | 19 | 20 | 23 | 23 | 23 | 21 | 21 | 20 | 20 | 21 | 22 | 23 | 23 | 22 | 21 | 20 | 20 | 21 | 23 | 24 | 24 | 23 |
| Feels °C (?) | 18 | 19 | 18 | 20 | 24 | 24 | 22 | 20 | 22 | 21 | 21 | 22 | 23 | 24 | 25 | 24 | 22 | 21 | 21 | 23 | 24 | 25 | 26 | 25 |
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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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