Kahalu'u Beach Park surfForecast / HAW – Big Island / USA

information circle48hr Weather and Surf, issued 1 am Saturday 30 May 2026 HST
Forecast update in hr  min  s Forecast update imminent
Kahalu'u Beach Park surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Kahalu'u Beach Park sea temperature is
26.0° C
(Which is slightly warmer than usual)

How big are the waves at Kahalu'u Beach Park today (30 May):

  • Morning surf: Morning surf (30 May, local time) - 3.5ft (1.0m), 17s period with S swell.
  • Afternoon surf: Afternoon surf (30 May, local time) - 3ft (0.9m), 16s period with SSW swell.
  • Evening surf: Evening surf (30 May, local time) - 3ft (0.9m), 16s period with SSW swell.

The current surf forecast for Kahalu'u Beach Park at 10AM is: 1.0m 17s primary swell from a South direction and 0.4m 12s secondary swell from a South direction (forecast issued at 01:00am May 30). The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (30 May)3.5ft (1.0m)17s
Afternoon (30 May)3ft (0.9m)16s
Evening (30 May)3ft (0.9m)16s

Table - waves today at Kahalu'u Beach Park. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 26°C on Sat morning, min 24°C on Sat night). Wind will be generally light.

Saturday
30
Sunday
31
Monday
1
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)
3
3
2
1
1
2
1
2
2
2
2
1
1
2
2
3
3
3
3
2
2
3
3
4
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1
S
18
1
S
17
1
S
17
1
S
17
0.9
SSW
16
1
S
16
0.9
SSW
16
0.9
SSW
16
0.9
SSW
16
0.9
SSW
15
0.9
SSW
15
0.9
SSW
15
0.8
SSW
15
0.8
SSW
14
0.9
SSW
14
0.7
S
19
0.7
S
19
0.7
S
19
0.9
SSW
18
1
S
18
1.1
S
18
1
S
18
1
S
17
1
S
16
Wave Graph
Metric surfscale
Energy kJ
632
617
596
562
443
529
421
416
406
390
375
360
284
280
346
369
365
343
528
639
759
625
582
542
Wind (km/h)
5
WNW
0
SSE
5
SSW
10
WSW
10
W
10
W
5
W
0
W
5
W
5
N
5
NNW
10
W
10
WNW
5
SW
10
S
10
S
5
SSE
5
N
5
NW
10
WSW
10
WSW
5
SSW
10
SSW
5
SW
glassy
glassy
cross-on
cross-on
on
on
on
glassy
glassy
glassy
glassy
on
on
glassy
cross
cross-off
cross-off
glassy
glassy
on
on
glassy
cross
glassy
High Tide
2:46AM0.35m
3:45PM0.82m
3:23AM0.33m
4:20PM0.82m
3:58AM0.31m
4:56PM0.81m
Low Tide
8:19AM0.06m
10:57PM0.18m
8:51AM0.06m
11:36PM0.18m
9:24AM0.06m
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
<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>
6:58
6:58
6:58
Temp °C
24
24
25
26
26
25
25
24
24
24
25
26
26
26
25
25
25
24
25
26
26
26
25
25
26
27
27
27
27
26
27
27
27
27
28
27
27
28
26
26
28
27
28
28
28
29
27
28
Swell 1
Height (m)
Direction
Period (s)
1
S
18
1
S
17
1
S
17
1
S
17
0.9
SSW
16
1
S
16
0.9
SSW
16
0.9
SSW
16
0.9
SSW
16
0.9
SSW
15
0.9
SSW
15
0.9
SSW
15
0.8
SSW
15
0.8
SSW
14
0.9
SSW
14
0.9
SSW
14
0.8
SSW
14
0.8
SSW
14
0.9
SSW
18
1
S
18
1.1
S
18
1
S
18
1
S
17
1
S
16
Energy kJ
632
617
596
562
443
529
421
416
406
390
375
360
284
280
346
346
276
273
528
639
759
625
582
542
Swell 2
Height (m)
Direction
Period (s)
0.5
S
12
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
11
0.3
S
11
0.3
S
11
0.3
S
11
0.3
S
11
0.3
SSW
21
0.4
SSW
20
0.6
S
20
0.7
S
19
0.7
S
19
0.7
S
19
0.7
SSW
14
0.7
SSW
14
0.6
SSW
13
0.6
SSW
13
0.7
S
21
0.7
S
21
Energy kJ
65
43
43
43
42
42
40
39
21
21
21
20
86
131
276
369
365
343
207
189
135
135
445
428
Swell 3
Height (m)
Direction
Period (s)
0.2
SSW
12
0.1
SW
12
0.2
SSW
16
0.3
SW
16
0.2
SSW
16
0.1
SW
11
0.1
SW
11
0.2
WSW
11
0.2
WSW
11
0.1
SW
12
0.2
S
21
0.2
S
21
0.3
S
11
0.3
S
11
0.1
NW
9
0.2
NNW
9
0.2
S
10
0.2
S
10
0.2
S
10
0.3
S
22
0.5
S
21
0.6
SSW
13
0.6
SSW
13
Energy kJ
14
6
25
41
25
5
5
12
12
5
36
36
20
20
3
8
8
8
8
84
233
135
135
Wind waves
Height (m)
Direction
Period (s)
0.3
NW
10
Energy kJ
16
Nearest Offshore or Glassy
Rating
(10 max)
3
3
1
1
1
1
1
2
2
2
2
3
3
2
3
3
3
3
3
3
3
3
2
4
Distance (km)
0
0
94
99
99
99
94
0
0
0
0
79
79
0
1
0
0
0
0
123
123
0
95
0
Best forecast wave conditions in Big Island
Rating
(10 max)
3
3
1
1
1
1
2
2
2
2
2
3
3
2
3
3
3
3
3
4
2
4
Best forecast wave conditions in United States
Rating
(10 max)
3
3
1
3
2
2
4
4
4
4
2
3
4
2
5
4
3
4
3
3
3
4
4
4
Header Global
Rating
(10 max)
5
6
8
7
7
7
7
7
6
5
5
5
5
5
5
5
4
5
5
5
5
5
4
7
  • 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

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 Kahalu'u Beach Park 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.


Nearest locationNearest
Nearest locationNearest
Nearest locationNearest