Grandma's Surf Break

Lat Long: 20.79° N 156.56° W

Grandma's 48 hour detailed Surf Forecast

Issued: 1 am 05 Oct 2026 (local time)

Forecast update in  hr  min

Today's Grandma's sea temperature is
27.1°C
0.2° 

Grandma's surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Grandma's today (05 Oct):

  • Morning surf: Morning surf (05 Oct, local time) - 2.5ft (0.7m), 17s period with SSW swell.
  • Afternoon surf: Afternoon surf (05 Oct, local time) - 2.5ft (0.7m), 17s period with SSW swell.
  • Evening surf: Evening surf (05 Oct, local time) - 2.5ft (0.7m), 16s period with SSW swell.

The current surf forecast for Grandma's at 9AM is: 0.7m 17s primary swell from a South-southwest direction and 0.4m 11s secondary swell from a South direction (forecast issued at 01:00am October 05). An open ocean swell of 1.0m 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 (05 Oct)2.5ft (0.7m)17s
Afternoon (05 Oct)2.5ft (0.7m)17s
Evening (05 Oct)2.5ft (0.7m)16s

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


Short Range Forecast

Mostly dry. Warm (max 27°C on Mon morning, min 24°C on Mon night). Wind will be generally light.

Monday
5
Tuesday
6
Wednesday
7
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
2
2
2
1
2
2
2
2
2
2
2
1
1
2
2
2
2
2
2
1
0
1
2
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
SSW
18
0.6
SSW
18
0.7
SSW
17
0.7
SSW
17
0.7
SSW
17
0.7
SSW
16
0.7
SSW
16
0.7
SSW
16
0.7
SSW
16
0.8
SSW
16
0.7
SSW
16
0.7
SSW
15
0.7
SSW
15
0.8
SSW
15
0.9
SSW
15
0.9
SSW
15
0.9
SSW
15
0.8
SSW
15
0.8
SSW
14
0.8
SSW
14
0.8
SSW
14
0.8
SSW
14
0.8
SSW
14
0.8
SSW
14
Wave Graph
Metric surfscale
Energy kJ
249
240
315
311
300
280
273
266
263
337
256
246
234
292
309
305
355
284
280
273
265
254
250
247
Wind (km/h)
15
NE
20
NNE
20
NNE
15
NNE
15
NNE
15
NNE
15
NNE
15
NNE
10
NNE
10
NNE
5
NE
5
W
5
NNE
5
NE
10
NNE
5
NE
5
NNE
0
NNE
5
SW
10
SSW
15
S
10
SSW
0
NNE
5
S
Wind State
off
off
off
cross-off
off
off
off
off
cross-off
off
glassy
glassy
glassy
off
cross-off
off
glassy
glassy
glassy
cross-on
cross-on
on
glassy
cross-on
High Tide
00:07AM0.36m
12:15PM0.75m
1:01AM0.43m
1:05PM0.73m
1:48AM0.51m
1:48PM0.69m
Low Tide
4:55AM0.14m
7:14PM0.09m
6:08AM0.14m
7:43PM0.07m
7:12AM0.13m
8:10PM0.05m
clear
clear
clear
clear
cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
6:18
—
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—
—
—
—
—
6:18
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—
—
—
—
—
—
6:18
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
6:09
—
—
—
—
—
—
—
6:08
—
—
—
—
—
—
—
6:07
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 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
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Temp °C
24
24
25
27
27
26
25
24
24
24
25
27
27
26
25
25
25
24
25
26
26
26
26
25
Feels °C
24
24
24
27
27
26
25
25
25
26
27
29
30
28
26
27
28
27
28
28
27
28
29
27
  • 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
How to use the Wavefinder 

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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