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Surf Forecasts:

Grandma's surf break

Grandma's surfForecast / HAW – Maui / USA

information circle48hr Weather and Surf, issued 7 am Monday 24 Nov 2025 HST
Forecast 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
26.2° 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 12PM is: 0.3m 10s primary swell from a South-southeast direction (forecast issued at 07:00am November 24). An open ocean swell of 0.6m 13s is not directed at the surf break, a second open ocean swell of 0.3m 6s is not directed at the surf break, a second open ocean swell of 1.2m 6s is not directed at the surf break. The wind direction is predicted to be glassy.

Time (HST) & DateWave HeightWave Period
Morning (24 Nov)2ft (0.6m)13s
Afternoon (24 Nov)1.5ft (0.5m)12s
Evening (24 Nov)1.5ft (0.5m)12s

Table - waves today at Grandma's. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Monday
24
Tuesday
25
Wednesday
26
Thu
27
5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM
Rating
(10 max)
1
1
0
0
1
1
1
1
0
0
0
0
0
0
0
0
0
0
1
2
2
2
2
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.6
NW
0.6
NW
0.3
SSE
0.5
NW
0.5
NW
0.5
NW
0.5
NW
0.5
NW
0.3
SSE
0.3
SSE
0.3
SSE
0.3
S
0.3
SSE
0.3
S
0.3
S
0.3
S
0.3
SSE
0.3
SSE
0.5
NW
0.6
NW
0.8
NW
0.9
NW
0.9
NW
1
NW
Period(s) (?)131310121212121210101012111111111111171716161616
Wave
Graph
(?)Metric surfscale
Energy kJ (?)13813420757271696819191924252121212322145230310367362471
Wind
(km/h)
10
NNE
5
N
5
WNW
10
WSW
5
S
0
N
0
SE
0
NNW
5
NE
5
NE
5
NNW
5
N
5
NE
5
NNE
5
NNE
5
N
5
NE
5
NNE
5
SW
0
WSW
5
N
0
NNW
0
WSW
0
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offglassglassonglassglassglassglassoffoffglasscross-
off		glassglassglassglassoffglassglassglassglassglassglassglass
High Tide
/ height (m)
6:51AM
0.73
7:28PM
0.23
7:37AM
0.71
8:47PM
0.26
8:26AM
0.67
10:01PM
0.30
Low Tide
/ height (m)
2:16PM
0.12
11:54PM
0.11
3:03PM
0.10
12:52AM
0.15
3:46PM
0.08
Monday
24
Tuesday
25
Wednesday
26
Thu
27
Sunrise-6:41-------6:41-------6:41------
Sunset----5:43-------5:43-------5:43---
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
rain showers
clear
clear
Rain (mm)
---------------------1--
Temp. °C232426262625242423232526252424232323252525242423
Feels °C (?)242628272928272825252728272627262525272827282726
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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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.

View detailed surf forecast for Grandma's at:
surf-forecast.com

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