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Grandma's ratings
Quality on a good day: 1.0
Consistency of Surf: 3.0
Difficulty Level: 1.0

…

Overall: 2.4

See all 18 ratings

Based on 3 votes. Vote

Grandma's surf break
Icon reef red
Reef
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Grandma's location mapGet alerts temp

Grandma's Surf Forecast / HAW – Maui / USA

48hr Weather and Surf, issued 7 pm Sunday 16 Jan 2022 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 24.7 °C (Statistics for 16 Jan 1981-2005 - mean: 24.4 max: 25.4 min: 23.7 °C)
Icon breakBreak
Icon legend buoysLive Wave Height (m)
Icon legend windLive Wind Speed (km/h)
Map placeholder
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 24.7 °C (Statistics for 16 Jan 1981-2005 - mean: 24.4 max: 25.4 min: 23.7 °C)

Eyeball surf reportRecent Eyeball Surf Reports for HAW - Maui

  1. Light and variable winds will continue through the week as a surface ridge remains over the islands. A land and sea… [link]

    8 hours 10 minutes ago
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Actual: 38 min ago

Calm
5 km/h
NW
Clean
Please reload the page to see if there are any updates.

How big are the waves at Grandma's today?

The current surf forecast for Grandma's at 9PM is: 0.8m 12s primary swell from a Northwest direction and 0.3m 11s secondary swell from a South-southwest direction (forecast issued at 07:00pm January 16). The wind direction is predicted to be glassy and the swell rating is 2.

Time (HST) & DateWave HeightWave Period
Morning (16 Jan)--
Afternoon (16 Jan)3ft (0.9m)12s
Evening (16 Jan)2.5ft (0.8m)12s

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

Hourly12 daysMaui Surf
Icon printPrint Surf Table
Updates in  hr  min  s Update imminent 
Rating
(10 max)
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
Period(s) (?)
Wave
Graph
(?)Metric surfscale
Energy (?)
Wind
(km/h)
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
High Tide
/ height (m)
Low Tide
/ height (m)
Summary
Rain (mm)
Temp. °C
Chill °C (?)
Sunrise
Sunset
Sunday
16
Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Mon
24
5 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 AM11 AM2 PM5 PM8 PM11 PM2 AM
332221100011112121223333333333222222323455555554444323221022
T hawaiiunitedstates.htsgw.metric.6.cc23T hawaiiunitedstates.htsgw.metric.12.cc23
T hawaiiunitedstates.htsgw.metric.18.cc23T hawaiiunitedstates.htsgw.metric.24.cc23T hawaiiunitedstates.htsgw.metric.36.cc23
T hawaiiunitedstates.htsgw.metric.42.cc23T hawaiiunitedstates.htsgw.metric.48.cc23T hawaiiunitedstates.htsgw.metric.60.cc23
T hawaiiunitedstates.htsgw.metric.66.cc23T hawaiiunitedstates.htsgw.metric.72.cc23T hawaiiunitedstates.htsgw.metric.84.cc23
T hawaiiunitedstates.htsgw.metric.90.cc23T hawaiiunitedstates.htsgw.metric.96.cc23T hawaiiunitedstates.htsgw.metric.108.cc23
T hawaiiunitedstates.htsgw.metric.114.cc23T hawaiiunitedstates.htsgw.metric.120.cc23T hawaiiunitedstates.htsgw.metric.132.cc23
T hawaiiunitedstates.htsgw.metric.138.cc23T hawaiiunitedstates.htsgw.metric.144.cc23T hawaiiunitedstates.htsgw.metric.156.cc23
T hawaiiunitedstates.htsgw.metric.162.cc23T hawaiiunitedstates.htsgw.metric.168.cc23T hawaiiunitedstates.htsgw.metric.180.cc23
T hawaiiunitedstates.htsgw.metric.186.cc23T hawaiiunitedstates.htsgw.metric.192.cc23T hawaiiunitedstates.htsgw.metric.204.cc23
0.9
NW
0.8
NW
0.8
NW
0.8
NW
0.6
NW
0.6
NW
0.6
NW
0.4
NW
0.2
WNW
0.3
NW
0.4
NW
0.4
NW
0.4
NW
0.5
NW
0.5
NW
0.4
NW
0.6
NW
0.5
NW
0.6
NW
0.6
NW
0.7
NW
0.9
NW
0.9
NW
0.9
NW
0.9
NW
0.9
NW
0.9
NW
0.9
NW
0.9
NW
0.8
NW
0.7
NW
0.7
NW
0.7
NW
0.6
NW
0.6
NW
0.6
NW
0.7
NW
0.7
NW
0.8
NW
0.9
NW
1.3
NW
1.6
NW
1.9
NW
1.8
NW
1.7
NW
1.6
NW
1.5
NW
1.4
NW
1.4
NW
1.3
NW
1.2
NW
1
NW
0.6
WNW
0.8
WNW
0.7
WNW
0.7
WNW
0.5
WNW
0.5
WNW
0.4
NW
0.5
NW
121212121211111111151515141414141413131415141414141414141413131313131314141414201818181817161616151514141414141414132120
2562141751691127977421235555573961006911491113167209288268264264268288280264215178178175138138164203198273634116316462371205316711415110996791567759840715223618017810598117194
5
WNW
5
NE
5
ENE
5
NE
5
NE
0
ENE
5
S
15
S
5
SSE
0
E
5
ESE
0
NE
5
N
5
NW
5
SW
5
SSW
0
E
0
E
5
N
0
NE
0
NE
5
NE
5
WSW
5
S
5
SSE
5
SSE
0
NW
0
NNE
5
ESE
5
E
5
SSW
5
S
5
NE
5
NE
5
NNE
5
ENE
5
NE
10
NE
5
NNE
0
SE
10
NE
15
NNE
10
NNE
10
NNE
15
NE
15
NNE
15
NNE
10
NE
10
NE
20
NNE
15
NE
15
NNE
20
NE
20
NNE
20
NNE
20
NNE
20
NNE
20
NNE
20
NNE
20
NNE
glassglassoffglassglassglasscross-
on		cross-
on		crossglassglassglassglassglassononglassglassglassglassglassglassglassglassglassglassglassglassglassglassglasscross-
on		glassglassglassglassoffoffglassglassoffcross-
off		offoffoffoffcross-
off		offoffoffoffoffoffoffcross-
off		cross-
off		cross-
off		cross-
off		offoff
3:27PM
0.26
4:09AM
0.78
4:08PM
0.27
4:43AM
0.77
4:48PM
0.27
5:16AM
0.76
5:30PM
0.28
5:49AM
0.72
6:17PM
0.30
6:22AM
0.67
7:12PM
0.34
6:57AM
0.61
8:14PM
0.38
7:35AM
0.53
9:22PM
0.44
8:35PM
-0.04
11:06AM
0.07
9:14PM
-0.03
11:37AM
0.06
9:53PM
-0.02
12:08PM
0.05
10:34PM
0.01
12:38PM
0.04
11:19PM
0.05
1:10PM
0.03
12:10AM
0.10
1:44PM
0.02
1:13AM
0.16
2:21PM
0.00

Note: the tide data above is for Kihei, Maui (Hawaii) which is 9 km away. Surf properties and timing are calculated for Grandma's.New forecast is published every 6 hours at www.surf-forecast.com. See detailed tide info and graph
Offshore winds at Grandma's blow from the NE

Sunday
16
Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Mon
24
5 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 AM11 AM2 PM5 PM8 PM11 PM2 AM
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242322222222242323232323222323242424232322222425242423232322242424232222222124242422212120212324242221212121232322202019
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