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Surf Forecasts:

Grandma's surf break

Grandma's surfForecast / HAW – Maui / USA

information circle48hr Weather and Surf, issued 7 pm Monday 02 Feb 2026 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
25.5° C
 (Which is 1.2°C warmer than normal for this time of year)

How big are the waves at Grandma's today?

The current surf forecast for Grandma's at 12AM is: 0.6m 15s primary swell from a Northwest direction and 0.6m 11s secondary swell from a Northwest direction, 1.4m 7s secondary swell from a West-southwest direction (forecast issued at 07:00pm February 02). The wind direction is predicted to be onshore.

Time (HST) & DateWave HeightWave Period
Morning (03 Feb)3.5ft (1.0m)8s
Afternoon (03 Feb)8ft (2.4m)15s
Evening (03 Feb)7ft (2.2m)15s

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
02
Tuesday
03
Wednesday
04
Thursday
05
5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM
Rating
(10 max)
0
0
0
0
4
0
0
3
3
3
3
4
4
4
4
4
4
3
3
3
3
2
1
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.6
NW
0.6
NW
1.4
WSW
1.4
WSW
1.6
NW
1
W
0.9
W
2.4
NW
2.3
NW
2.3
NW
2.1
NW
1.8
NW
1.8
NW
1.9
NW
2
NW
1.9
NW
1.9
NW
1.8
NW
1.6
NW
1.5
NW
1.5
NW
1.4
NW
1.2
NW
1.1
NW
Period(s) (?)17167714881515151515151616151514141414131313
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1772111811801002111102272525202268194114211308176119091672146612891064840804642509437
Wind
(km/h)
35
SSW
30
SW
30
SW
20
W
10
N
20
N
15
N
15
NNW
20
N
20
NNE
25
NNE
25
NNE
20
NNE
15
NE
5
NE
5
ENE
5
ENE
10
NE
5
ENE
0
SW
0
NNW
5
NNW
5
WSW
5
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
onononcross-
on		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offoffoffoffglasscross-
off		offglassglassglassglasscross-
on		on
High Tide
/ height (m)
4:50PM
0.36
5:07AM
0.73
5:36PM
0.39
5:41AM
0.66
6:23PM
0.42
6:13AM
0.57
Low Tide
/ height (m)
10:03PM
-0.02
11:42AM
0.01
10:50PM
0.03
12:09PM
0.00
11:39PM
0.09
12:36PM
0.00
Monday
02
Tuesday
03
Wednesday
04
Thursday
05
Sunrise-----7:01-------7:01-------7:01--
Sunset6:16-------6:17-------6:17-------
rain showers
rain showers
rain showers
light rain
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
11131-------------------
Temp. °C242424222222242523212120202023242422222222222324
Feels °C (?)212222222321232320191817181823242522242424232324
  • Map Icons:
  • Break
  • 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.

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

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