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Grandma's surf break
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Reef
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Grandma's location mapGet alerts  temp

Grandma's Surf Forecast / HAW – Maui / USA

48hr Weather and Surf, issued 1 am Sunday 04 Jun 2023 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 25.3 °C (Statistics for 04 Jun 1981-2005 - mean: 25.5 max: 26.5 min: 24.6 °C)
Icon breakBreak
Icon legend buoysLive Wave Height (m)
Icon legend windLive Wind Speed (km/h)
Grandma s.12
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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 25.3 °C (Statistics for 04 Jun 1981-2005 - mean: 25.5 max: 26.5 min: 24.6 °C)

Eyeball surf reportRecent Eyeball Surf Reports for HAW - Maui

  1. weather stationWind Update Continuing clean conditions at Grandma's (light winds from the NNE at Wailuku Heights wx 10 km from Grandma's).

    Grandma's
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1 h 8 min ago

Light
6 km/h
NNE
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 3AM is: 0.5m 18s primary swell from a Southwest direction and 0.3m 5s secondary swell from a Southeast direction (forecast issued at 01:00am June 04). An open ocean swell of 0.8m 5s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 2.

Time (HST) & DateWave HeightWave Period
Morning (04 Jun)2ft (0.6m)18s
Afternoon (04 Jun)2ft (0.6m)17s
Evening (04 Jun)2ft (0.6m)17s

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

Updates in  hr  min  s Update imminent
Sunday
04
Monday
05
Tuesday
06
Wednesday
07
Thursday
08
Friday
09
Saturday
10
Sunday
11
11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM
Rating
(10 max)
2
2
2
2
2
2
2
2
2
2
2
2
1
2
2
1
1
1
1
1
1
1
1
1
1
1
1
0
1
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
1
0
0
0
1
Swell
Height Map
T hawaiiunitedstates.htsgw.metric.3.cc23
T hawaiiunitedstates.htsgw.metric.6.cc23T hawaiiunitedstates.htsgw.metric.9.cc23T hawaiiunitedstates.htsgw.metric.15.cc23
T hawaiiunitedstates.htsgw.metric.30.cc23T hawaiiunitedstates.htsgw.metric.33.cc23T hawaiiunitedstates.htsgw.metric.39.cc23
T hawaiiunitedstates.htsgw.metric.54.cc23T hawaiiunitedstates.htsgw.metric.57.cc23T hawaiiunitedstates.htsgw.metric.63.cc23
T hawaiiunitedstates.htsgw.metric.78.cc23T hawaiiunitedstates.htsgw.metric.81.cc23T hawaiiunitedstates.htsgw.metric.87.cc23
T hawaiiunitedstates.htsgw.metric.102.cc23T hawaiiunitedstates.htsgw.metric.105.cc23T hawaiiunitedstates.htsgw.metric.111.cc23
T hawaiiunitedstates.htsgw.metric.126.cc23T hawaiiunitedstates.htsgw.metric.129.cc23T hawaiiunitedstates.htsgw.metric.135.cc23
T hawaiiunitedstates.htsgw.metric.150.cc23T hawaiiunitedstates.htsgw.metric.153.cc23T hawaiiunitedstates.htsgw.metric.159.cc23
T hawaiiunitedstates.htsgw.metric.174.cc23T hawaiiunitedstates.htsgw.metric.177.cc23T hawaiiunitedstates.htsgw.metric.183.cc23
Wave Height (m) & direction (?)
0.5
SW
0.5
SW
0.5
SW
0.6
SSW
0.6
SW
0.6
SW
0.6
SW
0.6
SW
0.6
SSW
0.6
SSW
0.6
SSW
0.6
SSW
0.6
SSW
0.6
S
0.6
S
0.5
SW
0.6
S
0.5
SW
0.5
SW
0.5
SW
0.5
SW
0.6
S
0.4
SW
0.4
SW
0.5
S
0.5
S
0.5
S
0.4
SW
0.5
S
0.4
SW
0.4
SW
0.4
SW
0.4
SW
0.4
SW
0.4
SW
0.4
SW
0.4
SW
0.4
SW
0.4
SW
0.4
SSW
0.5
SW
0.5
SW
0.5
SW
0.5
SW
0.5
SW
0.5
SW
0.5
SW
0.5
SW
0.5
SW
0.5
SW
0.5
SW
0.5
SW
0.5
SW
0.4
SSW
0.4
SW
0.4
SW
0.4
SW
0.4
SW
0.4
SW
0.4
SSW
Period(s) (?)191918181817171717171616161414161416161616121515121212141214141413131318171716161616161616151515151515141414141814141414
Wave
Graph
(?)Metric surfscale
Energy (?)173170159209246243241238195188179173171150144124131125124122119112767571696954675249464645457977726910512912712412211911611311211010610410210281528051515075
Wind
(km/h)
10
NE
10
NNE
5
NE
10
NNE
5
W
0
SE
5
NNE
15
NNE
5
NE
5
N
5
NNE
5
NE
5
WNW
5
ENE
5
NE
15
NNE
10
NNE
10
NNE
5
NNE
5
NNE
5
WNW
5
NE
10
NNE
15
NNE
5
NNE
5
NNE
5
NE
5
N
5
W
5
N
5
WNW
10
NNW
5
NNW
5
N
5
NNE
5
N
0
WSW
10
E
10
NE
15
NNE
10
NNE
10
NNE
10
NE
5
N
5
S
5
E
10
NNE
10
NNE
10
NNE
10
NNE
5
NNE
5
NNE
5
WSW
15
SE
10
NNE
5
NE
10
NE
10
NE
5
NE
5
NNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffoffoffglassglassoffcross-
off
offcross-
off
offglasscrossglassoffcross-
off
offcross-
off
cross-
off
glassglassglasscross-
off
cross-
off
offoffglassglassglasscross-
off
glasscross-
off
glassglasscross-
off
cross-
off
glasscross-
off
offcross-
off
offoffoffcross-
off
glasscross-
off
cross-
off
cross-
off
offcross-
off
cross-
off
glassglasscrosscross-
off
offoffoffoffglass
High Tide
/ height (m)
3:59AM
0.23
4:54PM
0.83
4:51AM
0.21
5:41PM
0.83
5:50AM
0.20
6:29PM
0.81
6:59AM
0.21
7:20PM
0.77
8:15AM
0.24
8:12PM
0.72
9:32AM
0.30
9:06PM
0.65
10:43AM
0.38
10:01PM
0.57
Low Tide
/ height (m)
11:11PM
0.06
9:17AM
-0.08
12:03AM
0.05
10:00AM
-0.07
12:55AM
0.04
10:48AM
-0.04
1:48AM
0.03
11:42AM
0.01
2:38AM
0.02
12:43PM
0.06
3:26AM
0.00
1:55PM
0.13
4:09AM
-0.02
3:20PM
0.18
4:49AM
-0.03

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
04
Monday
05
Tuesday
06
Wednesday
07
Thursday
08
Friday
09
Saturday
10
Sunday
11
11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM
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Rain (mm)
-------------------------------------11---------------------
Temp. °C232323232525252423232324252525242423232425252524242323242525262524242324262526242423232426272625242423242626262524232324
Feels °C (?)242425242727272525252426262727252625252627282625262525262727282727272526292727252624242628292726252625262826272725242425
Sunrise---5:43-------5:43-------5:43-------5:43-------5:43-------5:43-------5:43-------5:43
Sunset------7:04-------7:05-------7:05-------7:05-------7:06-------7:06-------7:06-----

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.


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