Grandma's surf break

Grandma's surfForecast / HAW – Maui / USA

information circle48hr Weather and Surf, issued 1 am Friday 06 Mar 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
24.5° 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 7AM is: 0.2m 14s primary swell from a West-northwest direction and 0.3m 5s secondary swell from a South-southeast direction (forecast issued at 01:00am March 06). The wind direction is predicted to be cross-offshore.

Time (HST) & DateWave HeightWave Period
Morning (06 Mar)0.5ft (0.2m)13s
Afternoon (06 Mar)0.5ft (0.2m)13s
Evening (06 Mar)1ft (0.3m)13s

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


Updates in  hr  min  s Forecast update imminent
Friday
06
Saturday
07
Sunday
08
11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.2
S
0.2
S
0.2
S
0.2
WNW
0.2
WNW
0.2
WNW
0.3
NW
0.3
NW
0.2
WNW
0.3
NW
0.3
NW
0.3
NW
0.2
WNW
0.3
NW
0.3
NW
0.3
NW
0.3
NW
0.2
WNW
0.2
WNW
0.2
WNW
0.3
NW
0.2
WNW
0.3
SSE
0.3
NW
Period(s) (?)12121214131313131313121212121212121212121311512
Wave
Graph
(?)Metric surfscale
Energy kJ (?)11111118171727271727252415232222221413132711622
Wind
(km/h)
5
S
5
E
10
ENE
10
ESE
5
SE
5
NNW
5
WNW
0
W
5
NE
5
NE
5
NNE
5
NE
5
SW
10
SSW
10
SSE
10
SSE
5
NE
5
ENE
5
NNE
10
NE
5
SW
10
SSW
5
SW
5
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glasscross-
off
cross-
off
cross-
off
crosscross-
off
crossglassglassglassglassglassglasscross-
on
cross-
on
crossoffcross-
off
offoffglasscross-
on
glasson
High Tide
/ height (m)
5:35AM
0.46
6:33PM
0.55
6:05AM
0.39
7:22PM
0.56
6:39AM
0.33
Low Tide
/ height (m)
11:34PM
0.10
11:37AM
-0.01
12:26AM
0.14
12:07PM
0.00
1:27AM
0.18
12:43PM
0.02
Friday
06
Saturday
07
Sunday
08
Sunrise---6:41-------6:41-------6:39----
Sunset------6:31-------6:32-------6:32-
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
cloud
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
Rain (mm)
------------------------
Temp. °C232323242525252423232223252626252322222224252423
Feels °C (?)252524252627272725252425272727262524242326262624
  • 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

Latest Updates

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.


Nearest locationNearest
Nearest locationNearest
Nearest locationNearest