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Surf Forecasts:

Grandma's surf break

Grandma's surfForecast / HAW – Maui / USA

information circle48hr Weather and Surf, issued 7 pm Tuesday 03 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
25.4° C
 (Which is 1.1°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 2AM is: 1.8m 15s primary swell from a Northwest direction and 0.3m 13s secondary swell from a West direction (forecast issued at 07:00pm February 03). An open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 4.

Time (HST) & DateWave HeightWave Period
Morning (04 Feb)6ft (1.9m)15s
Afternoon (04 Feb)6ft (1.9m)15s
Evening (04 Feb)5ft (1.6m)14s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Tuesday
03
Wednesday
04
Thursday
05
Friday
06
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)
3
3
3
4
4
4
4
4
4
3
3
3
3
2
1
1
0
1
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
2.4
NW
2.3
NW
2.1
NW
1.8
NW
1.8
NW
1.8
NW
1.9
NW
1.9
NW
1.8
NW
1.8
NW
1.6
NW
1.5
NW
1.4
NW
1.4
NW
1.2
NW
1.1
NW
1.1
NW
1
NW
0.9
NW
0.9
NW
0.9
NW
0.9
NW
0.9
NW
0.9
NW
Period(s) (?)151515151515161515141414131313131312121212121212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)26902422178414211325143617381694136113071064840711642509431357286212209209212244244
Wind
(km/h)
20
N
20
NNE
25
NNE
20
NNE
20
NE
15
NE
10
NE
5
ENE
5
NE
10
NE
5
NNE
5
WSW
0
NW
0
SW
10
S
10
SSW
10
S
10
S
10
SSW
10
S
15
SSE
15
S
20
S
15
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		cross-
off		offoffoffoffglassoffoffglassglassglassglasscross-
on		oncross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on
High Tide
/ height (m)
5:36PM
0.39
5:41AM
0.66
6:23PM
0.42
6:13AM
0.57
7:14PM
0.45
6:44AM
0.49
Low Tide
/ height (m)
10:50PM
0.03
12:09PM
0.00
11:39PM
0.09
12:36PM
0.00
12:33AM
0.15
1:07PM
0.01
Tuesday
03
Wednesday
04
Thursday
05
Friday
06
Sunrise-----7:01-------7:01-------7:00--
Sunset6:17-------6:17-------6:19-------
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C252121202021242424222222222223242323232322232424
Feels °C (?)211718171820242424222324242423252324242322222323
  • 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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