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Grandma's surf break
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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)
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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]

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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)

Updates in  hr  min  s Update imminent
Rating
(10 max)
Swell
Height Map
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
5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM
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
5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM
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242322222222242323232323222323242424232322222425242423232322242424232222222124242422212120212324242221212121232322202019
242322222222242323232323222323242424232322222425242423232322242424232222222124242422212120212324242221212121232322202019
-----7:05-------7:05-------7:05-------7:05-------7:05-------7:05-------7:03------
6:06-------6:07-------6:07-------6:07-------6:08-------6:09-------6:09-------6:10---

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.