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

information circle48hr Weather and Surf, issued 1 am Tuesday 26 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
26.2° C
(Which is slightly warmer than usual)

How big are the waves at Kahalu'u Beach Park today?

The current surf forecast for Kahalu'u Beach Park at 8AM is: 0.5m 13s primary swell from a South direction and 0.3m 16s secondary swell from a South direction (forecast issued at 01:00am May 26). The wind direction is predicted to be glassy.

Time (HST) & DateWave HeightWave Period
Morning (26 May)1.5ft (0.5m)13s
Afternoon (26 May)2ft (0.6m)15s
Evening (26 May)2ft (0.6m)15s

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

Light rain (total 3mm), mostly falling on Tue night. Warm (max 25°C on Tue morning, min 23°C on Tue night). Wind will be generally light.

Tuesday
26
Wednesday
27
Thursday
28
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)
1
1
1
0
0
0
2
1
1
2
2
0
0
1
2
2
2
2
2
0
1
1
1
2
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.5
S
13
0.5
S
13
0.5
S
13
0.6
S
16
0.6
S
16
0.6
S
15
0.6
S
15
0.6
S
15
0.6
S
14
0.6
S
14
0.6
S
14
0.7
S
14
0.6
S
13
0.6
S
13
0.6
S
13
0.6
S
13
0.6
S
13
0.6
S
12
0.6
S
12
0.6
S
12
0.6
S
12
0.4
SSW
22
0.5
S
22
0.7
S
21
Wave Graph
Metric surfscale
Energy kJ
83
82
81
179
174
163
157
150
150
146
142
181
130
128
126
123
117
110
108
106
106
161
236
445
Wind (km/h)
5
SE
10
SSE
5
W
15
W
15
WNW
5
W
10
SSE
5
SSW
5
W
0
NNE
5
SSE
10
SW
15
SW
10
SSW
5
W
0
NW
5
S
5
SE
5
SSE
10
SW
10
SW
5
SSW
10
SSW
5
WSW
cross-off
cross-off
glassy
on
on
on
cross-off
cross
on
glassy
glassy
cross-on
cross-on
cross-on
glassy
glassy
glassy
cross-off
cross-off
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
11:53PM0.49m
1:33PM0.67m
00:41AM0.44m
2:07PM0.73m
1:25AM0.40m
2:39PM0.78m
Low Tide
6:24AM0.09m
7:59PM0.28m
6:52AM0.08m
8:52PM0.25m
7:20AM0.07m
9:37PM0.22m
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
rain showers
rain showers
clear
clear
clear
rain showers
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:45
5:45
5:45
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:55
6:55
6:57
1
1
1
Temp °C
24
24
25
25
25
25
24
24
24
23
25
25
25
24
24
24
24
24
25
25
25
25
25
24
25
25
27
25
25
27
26
26
26
26
27
26
26
26
26
26
26
26
27
26
27
27
27
26
Swell 1
Height (m)
Direction
Period (s)
0.5
S
13
0.5
S
13
0.5
S
13
0.6
S
16
0.6
S
16
0.6
S
15
0.6
S
15
0.6
S
15
0.6
S
14
0.6
S
14
0.6
S
14
0.7
S
14
0.6
S
13
0.6
S
13
0.6
S
13
0.6
S
13
0.6
S
13
0.6
S
12
0.6
S
12
0.6
S
12
0.6
S
12
0.6
S
12
0.6
S
12
0.7
S
21
Energy kJ
83
82
81
179
174
163
157
150
150
146
142
181
130
128
126
123
117
110
108
106
106
104
101
445
Swell 2
Height (m)
Direction
Period (s)
0.2
S
17
0.3
S
16
0.3
S
16
0.1
NW
11
0.1
NW
20
0.2
WNW
18
0.3
NW
18
0.3
NW
17
0.4
NW
16
0.4
NW
16
0.5
NW
15
0.5
NW
15
0.5
NW
15
0.5
NW
14
0.5
NW
14
0.5
NW
13
0.5
NW
13
0.5
NW
13
0.5
NW
13
0.4
NW
12
0.4
SSW
22
0.5
S
22
0.6
S
12
Energy kJ
22
46
46
4
15
32
49
47
67
66
112
106
104
100
95
88
85
84
83
53
161
236
98
Swell 3
Height (m)
Direction
Period (s)
0.2
S
4
0.2
S
4
0.1
NW
11
0.1
SW
18
0.1
NW
10
0.1
SW
18
0.1
SW
18
0.1
NW
10
0.1
NW
10
0.1
NW
10
0.1
NW
10
0.1
SW
16
0.1
SW
16
0.1
SW
16
0.1
SW
16
0.2
SSW
16
0.2
SSW
16
0.2
S
24
0.3
S
23
0.3
S
23
0.4
NW
12
0.4
NW
12
0.4
NW
12
Energy kJ
1
1
4
12
4
12
12
4
4
4
4
11
11
10
10
25
25
43
97
95
37
37
36
Wind waves
Height (m)
Direction
Period (s)
0.3
WNW
2
0.3
W
2
0.4
WSW
3
0.3
WSW
3
0.4
SW
3
0.3
NW
9
0.2
NNW
9
0.3
NNW
3
Energy kJ
1
1
3
2
2
13
8
1
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
3
3
1
2
2
2
2
2
1
2
1
2
2
2
2
2
2
1
2
2
3
Distance (km)
0
0
0
99
99
7
0
1
1
0
0
25
99
125
0
0
0
0
0
99
99
13
94
13
Best forecast wave conditions in Big Island
Rating
(10 max)
1
1
1
3
3
1
2
2
2
2
2
1
2
2
2
2
2
2
2
1
2
2
3
Best forecast wave conditions in United States
Rating
(10 max)
3
3
2
7
3
3
2
4
4
4
3
2
3
4
4
4
3
4
4
2
4
4
4
4
Header Global
Rating
(10 max)
9
9
5
6
7
7
7
9
9
6
7
6
6
9
9
7
9
8
7
6
6
5
5
5
  • 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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