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 07 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 (07 Jun):

  • Morning surf: Morning surf (07 Jun, local time) - 1.5ft (0.4m), 21s period with S swell.
  • Afternoon surf: Afternoon surf (07 Jun, local time) - 1.5ft (0.5m), 21s period with S swell.
  • Evening surf: Evening surf (07 Jun, local time) - 2ft (0.6m), 20s period with S swell.

The current surf forecast for Grandma's at 2PM is: 0.5m 21s primary swell from a South direction and 0.4m 12s secondary swell from a South-southwest direction (forecast issued at 07:00am June 07). An open ocean swell of 1.4m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (HST) & DateWave HeightWave Period
Morning (07 Jun)1.5ft (0.4m)21s
Afternoon (07 Jun)1.5ft (0.5m)21s
Evening (07 Jun)2ft (0.6m)20s

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 Sun morning, min 23°C on Sun night). Wind will be generally light.

Sunday
7
Monday
8
Tuesday
9
Wed
10
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
2
1
1
1
2
2
2
2
1
1
1
1
1
1
1
1
1
1
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)
0.3
S
22
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
0.5
S
18
0.5
S
17
0.6
S
16
0.5
S
16
0.5
S
16
0.5
S
16
0.4
S
16
0.4
S
15
0.4
S
15
0.4
S
15
0.4
S
15
0.3
S
15
Wave Graph
Metric surfscale
Energy kJ
84
144
222
216
192
186
266
263
242
224
221
221
150
137
185
127
127
125
79
73
69
68
67
38
Wind (km/h)
10
NNE
10
ENE
5
NNE
10
E
10
ENE
15
NE
10
NE
10
NNE
10
NNE
10
NNE
5
N
10
E
15
E
15
ENE
15
NNE
10
NNE
10
NE
10
NE
5
ENE
15
ESE
10
NNE
10
NE
10
NNE
10
NNE
Wind State
off
off
cross-off
cross-off
cross-off
off
off
off
off
off
glassy
cross-off
cross-off
off
off
off
off
off
glassy
cross-off
cross-off
off
cross-off
cross-off
High Tide
10:27AM0.35m
9:31PM0.53m
11:23AM0.44m
10:23PM0.47m
12:13PM0.54m
11:19PM0.40m
Low Tide
3:44AM0.02m
2:56PM0.20m
4:20AM0.00m
4:24PM0.21m
4:56AM-0.02m
5:52PM0.20m
part cloud
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
<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
7:06
7:06
7:06
 mm
Temp °C
23
25
27
27
27
25
24
24
23
25
26
27
27
25
24
23
23
25
26
26
26
25
24
23
Feels °C
24
26
29
28
28
26
25
25
24
26
28
28
28
26
25
24
24
26
28
26
27
26
25
24
Swell 1
Height (m)
Direction
Period (s)
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
0.5
S
18
0.5
S
17
0.6
S
16
0.5
S
16
0.5
S
16
0.5
S
16
0.4
S
16
0.4
S
15
0.4
SE
6
0.4
S
15
0.4
S
11
0.4
S
11
Energy kJ
49
144
222
216
192
186
266
263
242
224
221
221
150
137
185
127
127
125
79
73
11
68
37
37
Swell 2
Height (m)
Direction
Period (s)
0.3
SE
6
0.4
SSW
12
0.4
SSW
12
0.4
SSW
12
0.4
SSW
12
0.4
SE
5
0.4
S
12
0.4
SSW
12
0.4
SE
6
0.5
S
13
0.4
S
11
0.4
SE
5
0.4
S
11
0.4
S
13
0.4
S
12
0.4
S
12
0.4
S
12
0.4
S
12
0.4
S
12
0.4
S
11
0.4
S
15
0.4
S
11
0.4
S
15
0.3
S
15
Energy kJ
6
48
48
48
47
6
44
48
9
83
37
6
40
51
44
45
45
44
44
41
69
37
67
38
Swell 3
Height (m)
Direction
Period (s)
0.3
S
22
0.3
SE
6
0.4
SE
6
0.4
SE
5
0.3
N
9
0.4
SSW
12
0.4
NE
6
0.4
SE
6
0.4
SSW
12
0.3
NE
6
0.2
NNE
6
0.3
S
11
0.3
SE
5
0.3
SE
5
0.3
SE
6
0.3
SE
5
0.3
SE
5
0.3
SE
6
0.3
SE
5
0.4
SE
5
0.4
S
11
0.4
SE
5
0.3
SE
5
0.3
SE
5
Energy kJ
84
5
8
7
14
47
9
8
48
6
4
21
5
4
5
4
4
5
4
7
38
6
3
4
Wind waves
Height (m)
Direction
Period (s)
1.4
E
6
1.5
E
6
1.8
E
6
1.4
E
6
0.4
SSE
5
1.3
E
5
1.2
E
5
1.5
E
6
1.4
E
6
0.9
E
5
0.9
E
5
1.5
E
6
1.5
E
6
1.4
E
6
1.3
E
6
1.2
E
5
1
E
5
1
E
5
0.9
E
5
1.4
E
6
1.7
E
6
1.3
E
6
1.4
E
8
1.3
E
8
Energy kJ
148
170
237
139
9
97
77
139
121
42
40
139
148
121
108
80
56
58
43
125
200
101
229
196
Nearest Offshore or Glassy
Rating
(10 max)
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
1
1
1
1
1
2
1
1
1
Distance (km)
4
13
4
12
12
12
4
4
4
4
4
12
12
12
4
4
4
4
4
184
4
4
4
12
Best forecast wave conditions in Maui
Rating
(10 max)
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
1
1
1
1
2
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
4
2
2
3
3
4
4
4
4
2
2
3
3
4
4
4
4
2
1
3
4
3
4
5
Header Global
Rating
(10 max)
8
8
9
9
7
6
6
5
6
8
6
9
9
8
7
6
5
7
6
5
5
5
8
8
  • 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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