Grandma's Surf Break
Lat Long: 20.79° N 156.56° W

Grandma's 48 hour detailed Surf Forecast

Weather Forecast for Grandma's

Issued: 7 am 06 Jun 2026 (local time)

Forecast update in  hr  min

Today's Grandma's sea temperature is
25.8° C

Normal for this time of year

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 (06 Jun):

  • Morning surf: Morning surf (06 Jun, local time) - 1.5ft (0.5m), 13s period with S swell.
  • Afternoon surf: Afternoon surf (06 Jun, local time) - 1.5ft (0.5m), 13s period with S swell.
  • Evening surf: Evening surf (06 Jun, local time) - 1.5ft (0.4m), 13s period with SSW swell.

The current surf forecast for Grandma's at 1PM is: 0.5m 13s primary swell from a South direction (forecast issued at 07:00am June 06). An open ocean swell of 0.4m 5s is not directed at the surf break, a second open ocean swell of 1.3m 6s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (HST) & DateWave HeightWave Period
Morning (06 Jun)1.5ft (0.5m)13s
Afternoon (06 Jun)1.5ft (0.5m)13s
Evening (06 Jun)1.5ft (0.4m)13s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 27°C on Sat afternoon, min 23°C on Sat night). Wind will be generally light.

Saturday
6
Sunday
7
Monday
8
Tue
9
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
2 AM
Rating
(10 max)
1
1
1
1
1
1
1
0
0
1
2
2
1
1
2
2
2
2
2
2
1
1
1
1
Swell
Height Map
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)
0.5
S
13
0.5
S
13
0.5
S
13
0.5
S
13
0.4
SSW
13
0.4
SSW
13
0.4
SSW
13
0.4
SSW
12
0.4
SSW
12
0.4
S
21
0.5
S
21
0.5
S
21
0.5
S
20
0.5
S
20
0.6
S
19
0.6
S
19
0.6
S
18
0.6
S
18
0.6
S
18
0.6
S
18
0.6
S
18
0.5
S
17
0.6
S
16
0.5
S
16
Wave Graph
Metric surfscale
Energy kJ
87
87
87
86
56
55
55
51
49
144
222
216
192
186
266
263
242
224
221
221
216
137
185
127
Wind (km/h)
15
NE
10
NE
10
NE
10
NNE
10
NE
15
NE
15
NNE
15
NE
15
NNE
10
NE
5
E
10
E
15
NE
15
NE
10
NNE
10
NNE
10
NNE
10
NNE
5
N
5
ENE
10
NE
15
NE
10
NNE
10
NNE
Wind State
off
off
off
off
off
off
off
off
off
off
glassy
cross-off
off
off
off
off
off
off
glassy
off
off
off
off
off
High Tide
9:24AM0.28m
8:43PM0.59m
10:27AM0.35m
9:31PM0.53m
11:23AM0.44m
10:23PM0.47m
Low Tide
3:08AM0.04m
1:39PM0.16m
3:44AM0.02m
2:56PM0.20m
4:20AM0.00m
4:24PM0.21m
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:43
5:43
5:43
5:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:05
7:05
7:06
7:06
 mm
Temp °C
22
24
26
26
27
24
23
23
23
25
26
27
26
24
24
23
23
25
26
27
26
25
24
24
Feels °C
22
24
27
27
28
23
23
23
23
26
28
27
26
24
25
24
24
26
28
29
27
25
25
25
Swell 1
Height (m)
Direction
Period (s)
0.5
S
13
0.5
S
13
0.5
S
13
0.5
S
13
0.4
SSW
13
0.4
SSW
13
0.4
SSW
13
0.4
SSW
12
0.4
SSW
12
0.4
S
21
0.5
S
21
0.5
S
21
0.5
SE
5
0.5
S
20
0.6
S
19
0.6
S
19
0.6
S
18
0.6
S
18
0.6
S
18
0.6
S
18
0.6
S
18
0.5
S
17
0.6
S
16
0.5
S
16
Energy kJ
87
87
87
86
56
55
55
51
49
144
222
216
13
186
266
263
242
224
221
221
216
137
185
127
Swell 2
Height (m)
Direction
Period (s)
0.4
N
11
0.4
N
11
0.4
SE
6
0.3
SE
5
0.3
SE
5
0.3
SE
6
0.4
SE
6
0.4
SE
6
0.4
SE
6
0.4
SSW
12
0.4
SSW
12
0.4
SSW
12
0.5
S
20
0.5
S
12
0.4
S
12
0.4
SSW
12
0.4
SSW
12
0.4
S
13
0.4
SSE
11
0.4
S
11
0.4
S
11
0.4
S
13
0.4
S
12
0.4
S
12
Energy kJ
37
35
9
4
4
5
9
8
8
48
48
48
192
69
44
48
48
53
40
37
40
51
44
45
Swell 3
Height (m)
Direction
Period (s)
0.3
SE
6
0.3
SE
5
0.3
N
10
0.3
N
10
0.2
N
10
0.2
N
10
0.2
S
23
0.3
N
10
0.3
N
10
0.3
SE
5
0.3
SE
5
0.3
NNE
9
0.4
SSW
12
0.4
NNE
5
0.3
N
9
0.3
SE
5
0.3
SE
5
0.2
NNE
6
0.3
S
13
0.3
S
14
0.3
NNE
6
0.2
NNE
6
0.3
SE
6
0.3
SE
5
Energy kJ
5
5
18
17
8
8
43
17
16
4
5
16
48
11
13
5
4
4
31
33
7
3
5
4
Wind waves
Height (m)
Direction
Period (s)
1.3
E
8
1.5
E
6
1.5
E
6
1.2
E
6
1.4
E
8
1.5
E
6
1.5
E
6
1.5
E
6
1.4
E
6
1.2
E
6
1.5
E
6
0.4
SSE
5
1.4
E
6
1.3
E
8
1.2
E
5
1.1
E
5
1.1
E
5
1.1
E
5
1.1
E
5
1.3
E
8
1.4
E
6
1.6
E
6
1.5
E
6
1.4
E
6
Energy kJ
219
139
149
92
247
165
154
144
121
86
139
11
123
193
80
70
70
65
62
187
125
181
138
117
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
Distance (km)
4
4
4
4
12
12
4
12
4
4
4
13
4
12
4
4
4
4
4
12
4
12
4
4
Best forecast wave conditions in Maui
Rating
(10 max)
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
Best forecast wave conditions in United States
Rating
(10 max)
4
1
1
1
2
2
4
4
2
2
2
2
3
3
4
4
4
2
2
4
3
4
3
4
Header Global
Rating
(10 max)
9
9
9
6
5
6
7
8
8
8
9
8
7
6
7
5
7
5
9
9
9
9
6
6
  • 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

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