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Surf Forecasts:

Grandma's surf break

Grandma's surfForecast / HAW – Maui / USA

information circle48hr Weather and Surf, issued 7 pm Friday 13 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
24.8° C
 (Which is slightly warmer than usual)

How big are the waves at Grandma's today?

The current surf forecast for Grandma's at 2AM is: 0.3m 12s primary swell from a South direction (forecast issued at 07:00pm February 13). An open ocean swell of 0.6m 16s is not directed at the surf break, a second open ocean swell of 0.6m 7s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (HST) & DateWave HeightWave Period
Morning (14 Feb)1.5ft (0.4m)6s
Afternoon (14 Feb)1.5ft (0.5m)14s
Evening (14 Feb)1.5ft (0.5m)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
Friday
13
Saturday
14
Sunday
15
Monday
16
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)
1
1
1
0
1
0
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.5
NW
0.4
NW
0.6
NW
0.3
S
0.3
WNW
0.4
SE
0.5
NW
0.5
NW
0.5
NW
0.5
NW
1.9
E
0.4
NW
0.5
SE
1.8
E
0.3
NW
0.5
SE
0.5
SE
0.5
SE
0.2
SSW
0.5
SE
0.2
SSW
0.5
SE
0.2
SSW
0.2
SSW
Period(s) (?)131316121461414141461366137771371671615
Wave
Graph
(?)Metric surfscale
Energy kJ (?)876120625401410310096930019027232626172425212523
Wind
(km/h)
0
E
10
NE
10
NNE
10
NE
10
NE
10
NE
5
N
5
NE
10
NE
15
NE
10
NE
10
NE
10
NE
10
NE
10
NE
15
ENE
20
NE
20
NE
15
NE
15
NE
20
NE
20
NE
10
ENE
10
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassoffoffoffoffoffcross-
off		offoffoffoffoffoffoffoffoffoffoffoffoffoffoffoffoff
High Tide
/ height (m)
2:32AM
0.73
2:36PM
0.29
3:08AM
0.75
3:15PM
0.32
3:41AM
0.74
Low Tide
/ height (m)
6:59PM
-0.01
9:29AM
0.07
7:45PM
-0.02
9:53AM
0.05
8:29PM
-0.03
10:16AM
0.03
Friday
13
Saturday
14
Sunday
15
Monday
16
Sunrise-----6:56-------6:56-------6:54--
Sunset6:22-------6:23-------6:23-------
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
clear
clear
clear
clear
part cloud
Rain (mm)
------------------------
Temp. °C252322222122242424222222222224242221212121212424
Feels °C (?)282422232123252524222323232325242019202019192323
  • 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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