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: 1 pm 02 Jun 2026 (local time)

Forecast update in  hr  min

Today's Grandma's sea temperature is
25.5° 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 (02 Jun):

  • Morning surf: Morning surf (02 Jun, local time) - 2.5ft (0.8m), 19s period with SSW swell.
  • Afternoon surf: Afternoon surf (02 Jun, local time) - 3.5ft (1.0m), 16s period with SSW swell.
  • Evening surf: Evening surf (02 Jun, local time) - 2.5ft (0.8m), 18s period with SSW swell.

The current surf forecast for Grandma's at 7PM is: 0.8m 18s primary swell from a South-southwest direction and 0.9m 15s secondary swell from a South-southwest direction (forecast issued at 01:00pm June 02). An open ocean swell of 1.9m 7s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 3.

Time (HST) & DateWave HeightWave Period
Morning (02 Jun)2.5ft (0.8m)19s
Afternoon (02 Jun)3.5ft (1.0m)16s
Evening (02 Jun)2.5ft (0.8m)18s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 5mm), mostly falling on Tue afternoon. Warm (max 27°C on Tue afternoon, min 23°C on Wed night). Wind will be generally light.

Tue
2
Wednesday
3
Thursday
4
Fri
5
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
5 AM
8 AM
Rating
(10 max)
3
3
3
3
3
3
3
3
3
3
3
2
2
2
2
2
2
2
2
2
2
1
1
1
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.8
SSW
19
1
S
16
1.2
SSW
18
0.8
SSW
18
0.9
SSW
18
0.9
SSW
18
1
S
15
1.2
SSW
17
1.2
SSW
16
1.2
SSW
16
1.2
S
16
1.1
SSW
16
1.1
SSW
16
1
SSW
16
1
SSW
15
1
SSW
15
1
S
15
0.9
SSW
14
0.9
SSW
14
0.8
SSW
14
0.8
SSW
14
0.7
SSW
14
0.7
SSW
14
0.7
SSW
14
Wave Graph
Metric surfscale
Energy kJ
497
516
929
427
547
540
484
857
778
768
734
636
628
520
500
474
441
350
346
273
273
213
210
207
Wind (km/h)
0
NW
5
S
10
NNE
10
NNE
10
NNE
5
NNE
5
NNE
10
NNE
5
N
10
E
15
NE
15
NE
15
NNE
15
NNE
10
NNE
10
NNE
5
W
5
NNE
15
NNE
15
NNE
15
NE
15
NNE
15
NNE
15
NE
Wind State
glassy
glassy
cross-off
off
cross-off
cross-off
cross-off
cross-off
glassy
cross-off
off
off
off
off
off
cross-off
glassy
off
off
off
off
off
cross-off
off
High Tide
5:55PM0.73m
6:09AM0.21m
6:35PM0.71m
7:08AM0.22m
7:16PM0.68m
Low Tide
10:15AM-0.00m
1:07AM0.08m
10:56AM0.03m
1:49AM0.07m
11:42AM0.06m
2:30AM0.06m
thunderstorm
thunderstorm
thunderstorm
light rain
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
part cloud
clear
part cloud
part cloud
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:43
5:43
5:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:02
7:04
7:04
7:05
 mm
1
2
2
1
Temp °C
27
27
26
25
25
24
24
25
27
27
27
25
24
23
23
24
26
27
26
25
24
23
23
24
Feels °C
31
31
29
28
28
26
27
27
29
28
28
26
25
24
24
25
28
29
27
26
24
23
23
24
Swell 1
Height (m)
Direction
Period (s)
0.9
SSW
16
1
S
16
1.2
SSW
18
0.9
SSW
15
0.9
SSW
18
0.9
SSW
18
1
S
15
1.2
SSW
17
1.2
SSW
16
1.2
SSW
16
1.2
S
16
1.1
SSW
16
1.1
SSW
16
1
SSW
16
1
SSW
15
1
SSW
15
1
S
15
0.9
SSW
14
0.9
SSW
14
0.8
SSW
14
0.8
SSW
14
0.7
SSW
14
0.7
SSW
14
0.7
SSW
14
Energy kJ
421
516
929
380
547
540
484
857
778
768
734
636
628
520
500
474
441
350
346
273
273
213
210
207
Swell 2
Height (m)
Direction
Period (s)
0.8
SSW
19
0.7
SSW
19
0.4
NNW
12
0.8
SSW
18
0.9
SSW
15
0.8
SSW
14
0.7
SSW
18
0.4
NNW
10
0.4
NNW
10
0.4
NNW
10
0.4
NNW
9
0.4
SE
6
0.4
ESE
6
0.4
ESE
6
0.4
SE
6
0.4
NNW
12
0.4
N
12
0.5
N
11
0.6
N
11
0.6
N
12
0.6
N
13
0.6
N
13
0.6
N
13
0.6
N
13
Energy kJ
497
387
47
427
355
280
326
33
32
31
29
10
15
15
10
44
42
64
90
98
119
125
123
119
Swell 3
Height (m)
Direction
Period (s)
0.3
ESE
6
0.4
SE
7
0.4
SE
7
0.4
NNW
11
0.4
NNW
11
0.4
NNW
10
0.4
NNW
10
0.4
SE
7
0.3
NNW
10
0.3
NNW
10
0.3
NNW
9
0.4
NNW
9
0.3
NNW
9
0.3
NNW
10
0.4
NNW
11
0.4
SE
6
0.3
NNW
11
0.3
NNW
11
0.3
NNW
11
0.4
SE
6
0.1
W
12
0.5
ESE
6
0.4
SE
5
0.4
SE
6
Energy kJ
8
12
12
41
40
36
34
11
19
18
17
28
17
18
42
9
24
24
23
9
3
23
6
10
Wind waves
Height (m)
Direction
Period (s)
1.4
E
7
1.9
E
7
1.8
E
7
1.9
E
7
1.5
E
7
1.9
E
6
1.8
E
6
1.6
E
6
1.5
E
6
1.6
E
6
1.7
E
6
1.5
E
6
1.6
E
6
1.4
E
6
1.4
E
6
1.2
E
6
1.4
E
6
1.5
E
5
2.1
E
6
0.4
ESE
6
1.8
E
6
1.5
E
6
1.5
E
6
Energy kJ
168
318
285
308
199
300
261
194
159
175
191
171
184
132
141
96
125
119
357
16
263
170
170
Nearest Offshore or Glassy
Rating
(10 max)
3
3
3
3
3
3
3
3
3
3
3
2
3
2
2
2
2
2
2
2
2
1
2
2
Distance (km)
4
4
4
4
4
4
4
4
4
13
4
4
4
4
4
4
4
4
4
4
12
4
12
12
Best forecast wave conditions in Maui
Rating
(10 max)
3
3
3
3
3
3
3
3
3
3
3
2
3
2
2
2
2
2
2
2
2
1
2
2
Best forecast wave conditions in United States
Rating
(10 max)
3
3
3
4
4
4
4
4
3
3
3
3
3
4
4
3
2
3
3
5
5
5
4
4
Header Global
Rating
(10 max)
4
5
5
5
4
5
5
5
5
5
5
4
5
4
5
5
5
5
5
5
6
9
9
9
  • 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

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