Grandma's Surf Break

Lat Long: 20.79° N 156.56° W

Grandma's 48 hour detailed Surf Forecast

Issued: 7 am 29 Oct 2026 (local time)

Forecast update in  hr  min

Today's Grandma's sea temperature is
27.1°C
0.6° 

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 (29 Oct):

  • Morning surf: Morning surf (29 Oct, local time) - 2.5ft (0.8m), 13s period with S swell.
  • Afternoon surf: Afternoon surf (29 Oct, local time) - 3.5ft (1.1m), 16s period with S swell.
  • Evening surf: Evening surf (29 Oct, local time) - 3.5ft (1.1m), 16s period with S swell.

The current surf forecast for Grandma's at 3PM is: 1.1m 16s primary swell from a South direction (forecast issued at 07:00am October 29). An open ocean swell of 0.4m 11s is not directed at the surf break, a second open ocean swell of 0.6m 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 (29 Oct)2.5ft (0.8m)13s
Afternoon (29 Oct)3.5ft (1.1m)16s
Evening (29 Oct)3.5ft (1.1m)16s

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


Short Range Forecast

Moderate rain (total 11mm), heaviest on Thu morning. Warm (max 26°C on Thu morning, min 24°C on Thu night). Wind will be generally light.

Thursday
29
Friday
30
Saturday
31
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
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
1
1
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)
0.8
S
13
0.8
S
13
1.1
S
16
1.1
S
16
1
S
16
1.1
S
16
1.1
S
15
1.1
S
14
1
S
14
1.1
S
14
1.1
S
14
1
S
14
1
S
14
1
S
14
1
S
13
0.9
S
13
0.9
S
13
0.8
S
13
0.8
S
13
0.9
S
13
0.8
S
14
0.8
S
14
0.5
NW
21
Wave Graph
Metric surfscale
Energy kJ
222
229
605
620
494
612
538
496
411
508
508
423
411
388
356
284
280
222
222
284
232
257
216
Wind (km/h)
5
NE
10
ENE
5
NE
10
NE
20
NNE
15
NE
15
NNE
15
NNE
15
NNE
20
NNE
15
NNE
15
NNE
20
NNE
20
NNE
20
NNE
15
NNE
15
NNE
15
NNE
10
N
10
N
15
NNE
20
NNE
15
NNE
Wind State
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
6:34AM0.83m
6:35PM0.26m
7:33AM0.80m
8:02PM0.25m
8:36AM0.77m
9:34PM0.28m
Low Tide
1:48PM0.14m
11:42PM0.04m
3:02PM0.13m
00:41AM0.09m
4:11PM0.12m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:26
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—
—
—
—
—
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6:26
—
—
—
—
—
—
—
6:28
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
5:52
—
—
—
—
—
—
—
5:52
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—
—
—
—
—
—
5:51
—
—
 mm
2
3
4
2
2
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Temp °C
25
25
26
26
25
24
24
24
24
25
26
26
25
25
24
24
24
24
26
26
25
24
24
Feels °C
29
28
30
30
27
26
26
26
26
26
28
28
26
26
24
25
25
25
28
28
25
24
25
  • 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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