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

information circle48hr Weather and Surf, issued 7 am Monday 27 Apr 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
25.6° 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 12PM is: 0.5m 13s primary swell from a Southwest direction and 0.2m 11s secondary swell from a North-northwest direction, 0.3m 9s secondary swell from a West-southwest direction (forecast issued at 07:00am April 27). The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (27 Apr)1.5ft (0.5m)13s
Afternoon (27 Apr)1.5ft (0.5m)13s
Evening (27 Apr)1.5ft (0.5m)13s

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

Moderate rain (total 11mm), heaviest on Mon afternoon. Warm (max 26°C on Mon morning, min 23°C on Wed night). Wind will be generally light.

Monday
27
Tuesday
28
Wednesday
29
Thu
30
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)
0
0
0
0
0
1
1
1
1
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
0.5
SW
14
0.5
SW
13
0.5
SW
13
0.5
SW
13
0.5
SW
13
0.5
SW
13
0.5
SW
13
0.4
SW
13
0.4
SW
13
0.4
SW
12
0.4
SW
12
0.4
SW
12
0.4
SW
12
0.4
SW
12
0.3
SW
12
0.4
SW
12
0.3
SW
12
0.3
NW
13
0.3
NW
13
0.3
NW
12
0.3
NW
12
0.2
S
18
0.3
S
18
0.2
S
18
Wave Graph
Metric surfscale
Energy kJ
89
88
85
85
84
84
84
60
42
39
38
37
37
37
22
37
22
27
25
23
23
25
55
24
Wind (km/h)
5
N
10
S
15
SW
10
W
10
NW
5
WNW
5
SSE
10
SSE
0
W
5
W
10
W
10
W
10
SW
10
SSW
5
W
10
NNW
10
NNW
5
NW
5
SW
10
SW
10
WSW
5
WSW
5
WSW
5
W
cross
cross
cross-on
on
cross-on
glassy
cross-off
cross-off
glassy
glassy
on
on
cross-on
cross
glassy
cross-on
cross
glassy
cross-on
cross-on
on
on
cross-on
on
High Tide
1:57PM0.60m
1:29AM0.57m
2:30PM0.68m
2:05AM0.52m
3:00PM0.74m
Low Tide
7:26AM0.09m
7:50PM0.23m
7:48AM0.07m
8:42PM0.21m
8:10AM0.07m
9:28PM0.20m
clear
clear
clear
clear
thunderstorm
clear
clear
clear
clear
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
rain showers
clear
clear
clear
clear
clear
thunderstorm
thunderstorm
rain showers
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:56
5:56
5:56
5:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:45
6:45
6:45
6:45
1
1
1
1
1
1
1
1
1
1
Temp °C
24
25
26
25
25
25
24
24
24
24
25
25
25
24
24
24
24
24
25
25
25
24
24
23
26
27
27
27
26
28
26
25
27
27
27
27
27
26
27
26
26
26
27
27
27
26
26
25
Swell 1
Height (m)
Direction
Period (s)
0.5
SW
14
0.5
SW
13
0.5
SW
13
0.5
SW
13
0.5
SW
13
0.5
SW
13
0.5
SW
13
0.4
SW
13
0.4
SW
13
0.4
SW
12
0.4
SW
12
0.4
SW
12
0.4
SW
12
0.4
SW
12
0.3
SW
12
0.4
SW
12
0.3
SW
12
0.3
SW
12
0.3
SW
12
0.3
NW
12
0.3
NW
12
0.3
NW
12
0.3
NW
12
0.3
NW
12
Energy kJ
89
88
85
85
84
84
84
60
42
39
38
37
37
37
22
37
22
22
22
23
23
22
22
21
Swell 2
Height (m)
Direction
Period (s)
0.3
WNW
9
0.3
WNW
9
0.2
NNW
11
0.2
NNW
11
0.2
W
9
0.2
W
9
0.2
W
9
0.1
NW
11
0.1
NW
11
0.1
NW
10
0.1
NW
10
0.1
NW
10
0.1
NW
10
0.1
NW
14
0.1
NW
14
0.2
WNW
13
0.2
WNW
13
0.3
NW
13
0.3
NW
13
0.2
SSW
11
0.2
NNW
5
0.2
S
18
0.3
S
18
0.2
SSW
13
Energy kJ
17
16
13
12
6
6
6
5
4
4
4
4
4
8
8
18
17
27
25
12
3
25
55
16
Swell 3
Height (m)
Direction
Period (s)
0.2
NNW
11
0.2
NNW
11
0.2
S
10
0.2
S
10
0.2
NNW
11
0.1
NW
11
0.1
NW
11
0.2
S
10
0.2
S
10
0.2
W
8
0.2
S
10
0.1
S
11
0.1
S
11
0.1
NW
10
0.2
S
9
0.2
S
3
0.2
S
4
0.2
S
9
0.2
S
9
0.2
NNW
3
0.2
SSW
11
0.2
SSW
13
0.2
SSE
4
0.2
S
18
Energy kJ
13
12
8
8
12
5
5
8
8
5
8
2
2
4
7
1
1
6
6
1
12
17
2
24
Wind waves
Height (m)
Direction
Period (s)
0.3
WSW
9
0.3
W
9
0.4
NW
2
0.4
NW
3
0.2
WSW
9
0.2
WSW
8
0.2
W
8
0.2
W
8
0.1
W
8
0.1
SW
8
0.2
NNW
3
0.4
NW
2
0.4
NW
3
0.3
NW
3
Energy kJ
16
14
1
2
7
7
5
5
1
3
1
1
3
1
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
Distance (km)
2
1
99
99
99
0
0
0
0
1
99
99
99
99
1
6
5
0
11
25
25
25
2
75
Best forecast wave conditions in Big Island
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
2
2
1
1
1
2
2
2
2
1
1
2
2
2
2
2
2
2
2
1
2
2
3
3
Header Global
Rating
(10 max)
6
6
5
5
4
5
5
5
5
8
9
9
9
8
7
6
9
8
7
6
5
5
5
4
  • 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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