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Surf Forecasts:

Grandma's surf break

Grandma's surfForecast / HAW – Maui / USA

information circle48hr Weather and Surf, issued 1 pm Tuesday 06 Jan 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 slightly warmer than usual)

How big are the waves at Grandma's today?

The current surf forecast for Grandma's at 8PM is: 0.5m 6s primary swell from a South direction (forecast issued at 01:00pm January 06). An open ocean swell of 0.4m 7s is not directed at the surf break, a second open ocean swell of 1.9m 8s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (HST) & DateWave HeightWave Period
Morning (06 Jan)1.5ft (0.4m)6s
Afternoon (06 Jan)1.5ft (0.4m)6s
Evening (06 Jan)1.5ft (0.5m)6s

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
06
Wednesday
07
Thursday
08
Friday
09
11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM
Rating
(10 max)
0
0
0
0
0
1
0
1
1
1
0
1
1
1
1
1
1
0
1
0
0
1
1
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.4
SSE
0.4
SSE
0.5
S
0.5
S
0.5
S
0.3
NW
0.4
SSE
0.3
NW
0.4
NW
0.4
NW
0.3
NW
0.4
NW
0.4
NW
0.4
NW
0.4
NW
0.4
NW
0.4
NW
0.4
NW
0.4
NW
0.2
WNW
0.2
S
0.4
NW
0.4
NW
0.2
WNW
Period(s) (?)666671871616161515141414141313131313121212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)131322212249154191643454545268646363621714535215
Wind
(km/h)
5
E
15
SSE
10
ESE
10
NE
10
ENE
5
NE
5
NE
5
E
0
WSW
5
S
5
SSE
5
ESE
5
ESE
0
WNW
0
E
5
NNE
5
NW
5
W
5
NNW
10
NE
5
ENE
0
ENE
0
E
0
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glasscrosscross-
off		offoffglassoffglassglassglassglassglassglassglassglassoffglasscross-
on		cross-
off		offglassglassglassglass
High Tide
/ height (m)
6:58PM
0.33
6:54AM
0.67
7:59PM
0.37
7:31AM
0.58
9:03PM
0.42
Low Tide
/ height (m)
1:09PM
0.02
11:49PM
0.08
1:41PM
0.02
12:46AM
0.15
2:14PM
0.02
1:53AM
0.21
Tuesday
06
Wednesday
07
Thursday
08
Friday
09
Sunrise-------7:03-------7:03-------7:03
Sunset--5:59-------6:00-------6:00-----
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C252625242223222324242424232323222525252323232323
Feels °C (?)272626252325232526262526252526232726262425252525
  • 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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