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Grandma's surf Forecast / HAW – Maui / USA

48hr Weather and Surf, issued 1 am Saturday 27 Apr 2024 HST
Forecast update in  hr  min  s 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 24.4°C (Statistics for 27 Apr 1981-2005 - mean: 24.6 °C max: 25.7 °C min: 23.8 °C)
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
<span class="translation_missing" title="translation missing: en.leaflet.map_placeholder_alt">Map Placeholder Alt</span>
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 24.4°C (Statistics for 27 Apr 1981-2005 - mean: 24.6 °C max: 25.7 °C min: 23.8 °C)

How big are the waves at Grandma's today?

The current surf forecast for Grandma's at 8AM is: 0.3m 15s primary swell from a Southwest direction and 0.4m 5s secondary swell from a Southeast direction (forecast issued at 01:00am April 27). An open ocean swell of 0.4m 14s is not directed at the surf break, a second open ocean swell of 1.3m 8s is not directed at the surf break. The wind direction is predicted to be glassy.

Time (HST) & DateWave HeightWave Period
Morning (27 Apr)1ft (0.3m)15s
Afternoon (27 Apr)1.5ft (0.4m)14s
Evening (27 Apr)1.5ft (0.4m)13s

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

Hourly12 Days
Maui Surf
Print Surf Table
Updates in  hr  min  s Update imminent 
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
01
Thursday
02
Friday
03
Saturday
04
11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 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
2
0
0
0
0
0
0
0
0
0
2
0
2
0
2
2
2
2
2
2
1
2
2
2
2
2
1
2
2
2
2
2
0
2
0
0
0
0
2
2
2
0
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.4
SW
0.3
SW
0.4
SW
0.3
SW
0.4
SW
0.4
SW
0.4
SW
0.4
SW
0.3
SSW
0.4
SW
0.3
SW
0.4
SW
0.3
SSW
0.4
SW
0.4
SW
0.4
SW
0.3
SSW
0.4
SSW
0.4
SSW
0.4
SSW
0.4
SSW
0.4
SSW
0.4
SSW
0.4
SSW
0.5
SSW
0.5
SSW
0.4
SSW
0.4
SSW
0.4
SSW
0.5
SSW
0.5
SSW
0.5
S
0.4
SSW
0.4
SW
0.4
SSW
0.4
SW
0.4
SSW
0.4
SSW
0.3
SSW
0.4
SSW
0.4
SW
0.4
SW
0.4
SSW
0.3
SW
0.4
SW
0.4
SW
0.4
SSW
0.4
SW
0.4
SSW
0.5
SW
0.6
SSW
0.4
SW
0.5
SW
0.5
SW
0.4
SSW
0.5
SW
0.4
SSW
0.4
SSW
0.4
SSW
0.5
NW
Period(s) (?)141515151414131316131313171318141816161616161615151514141414131313161316131216121615141415141415171616161616161615151516
Wave
Graph
(?)Metric surfscale
Energy (?)533354334946454550442751554679536010099839998948512312182686310510290596753655351505162697033545481571111291736512412297118918785125
Wind
(km/h)
5
E
5
E
5
NNW
5
N
5
WSW
5
SSW
5
SSE
0
S
5
SE
0
ESE
5
NNE
0
W
5
SSW
5
SE
0
NE
5
NW
5
NNE
0
NNE
0
N
5
NW
5
NW
0
N
5
SSE
0
S
5
NNW
5
NNE
5
NE
5
NW
5
WSW
0
W
0
SSW
5
N
5
NNW
5
NNE
10
NNE
5
N
5
W
5
SW
0
N
10
NNE
10
NNE
10
NNE
10
NNE
10
NNE
0
SSE
15
ENE
15
NE
15
NE
15
NE
10
NNE
10
NNE
10
NE
5
NE
15
NE
20
ENE
15
NE
15
NE
10
NNE
10
NNE
10
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glasscross-
off		glassglasscross-
on		cross-
on		glassglassglassglassglassglassglassglassglassglasscross-
off		glassglassglassglassglasscross-
on		glassglassoffglassglassonglassglasscross-
off		glassglasscross-
off		glassglassglassglasscross-
off		offoffoffoffglasscross-
off		offoffoffoffoffoffglassoffoffoffoffoffoffoff
High Tide
/ height (m)
6:02AM
0.21
7:06PM
0.69
7:09AM
0.19
8:03PM
0.68
8:42AM
0.18
9:05PM
0.67
10:12AM
0.22
10:06PM
0.66
11:22AM
0.28
11:05PM
0.64
12:18PM
0.37
11:59PM
0.60
1:07PM
0.46
12:49AM
0.56
Low Tide
/ height (m)
1:19AM
0.10
11:22AM
0.01
2:26AM
0.10
12:09PM
0.03
3:37AM
0.09
1:09PM
0.06
4:37AM
0.06
2:24PM
0.09
5:23AM
0.03
3:48PM
0.11
6:02AM
-0.00
5:12PM
0.12
6:36AM
-0.03
6:29PM
0.11
7:09AM
-0.06
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
01
Thursday
02
Friday
03
Saturday
04
Sunrise---5:58-------5:56-------5:56-------5:56-------5:54-------5:54-------5:54-------5:52
Sunset------6:49-------6:50-------6:50-------6:50-------6:51-------6:51-------6:51-----
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Rain (mm)
----------------------------------------------1-------------
Temp. °C232323232525252524242323252525242323232425252424242323242524252423232223252525242323222325262423232222232526242323232223
Feels °C (?)252525252727282927272626272728272526262627282627272525262726272626262325272728252424232427262423232223232626232223242223

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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