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

information circle48hr Weather and Surf, issued 1 pm Saturday 11 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
25.1° 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 10PM is: 0.7m 11s primary swell from a Northwest direction and 0.5m 13s secondary swell from a South direction (forecast issued at 01:00pm April 11). The wind direction is predicted to be glassy and the swell rating is 2.

Time (HST) & DateWave HeightWave Period
Morning (11 Apr)2ft (0.6m)13s
Afternoon (11 Apr)2ft (0.6m)13s
Evening (11 Apr)2.5ft (0.7m)11s

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


Updates in  hr  min  s Forecast update imminent
Saturday
11
Sunday
12
Monday
13
Tuesday
14
11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM
Rating
(10 max)
1
0
1
2
1
0
0
0
0
0
0
1
1
1
1
1
0
1
0
0
0
2
1
2
Swell
Height Map
Wave Height (m) & direction (?)
0.6
S
0.6
S
0.7
WNW
0.6
S
0.7
NW
0.6
NW
0.6
WNW
0.6
WNW
0.4
SW
0.4
SW
0.4
SSW
0.4
SSW
0.4
SW
0.4
SW
0.4
SW
0.5
S
0.5
S
0.5
S
0.5
S
0.5
S
0.6
S
0.6
S
0.7
S
0.7
S
Period(s) (?)131312131111101014141212131312131414141414131313
Wave
Graph
(?)Metric surfscale
Energy kJ (?)125125125123117907371516747466261559293939793129127173170
Wind
(km/h)
10
SSW
15
SSW
10
SSW
5
WNW
5
NNW
10
N
10
NNW
5
NW
5
W
5
WSW
5
W
5
W
5
WSW
5
SW
0
SW
5
NW
5
NW
5
NW
10
NW
15
N
10
N
5
NNE
5
NNW
0
NW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
crossglasscross-
on
crosscross-
on
cross-
on
oncross-
on
onglassglassglassglassglasscross-
on
cross-
on
cross-
on
crosscrosscross-
off
cross-
on
glass
High Tide
/ height (m)
12:40PM
0.34
12:13AM
0.66
1:16PM
0.42
12:54AM
0.66
1:49PM
0.52
1:32AM
0.65
Low Tide
/ height (m)
5:05PM
0.25
7:24AM
0.14
6:21PM
0.23
7:43AM
0.11
7:21PM
0.20
Saturday
11
Sunday
12
Monday
13
Tuesday
14
Sunrise-------6:07-------6:07-------6:07
Sunset--6:39-------6:39-------6:40-----
thunderstorm
thunderstorm
part cloud
part cloud
clear
part cloud
clear
part cloud
cloud
rain showers
rain showers
rain showers
clear
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
Rain (mm)
11-------111------------
Temp. °C262726262525242526252524242424252626262525252425
Feels °C (?)292929302828272829282827282828282928282628282730
  • 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