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

information circle48hr Weather and Surf, issued 1 pm Sunday 12 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 5PM is: 0.4m 12s primary swell from a South-southwest direction and 0.4m 10s secondary swell from a West-northwest direction (forecast issued at 01:00pm April 12). The wind direction is predicted to be glassy.

Time (HST) & DateWave HeightWave Period
Morning (12 Apr)2ft (0.6m)10s
Afternoon (12 Apr)1.5ft (0.4m)14s
Evening (12 Apr)1.5ft (0.4m)13s

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


Updates in  hr  min  s Forecast update imminent
Sunday
12
Monday
13
Tuesday
14
Wednesday
15
11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM
Rating
(10 max)
0
1
1
1
1
1
0
1
0
0
0
0
1
2
2
2
0
1
1
1
0
1
1
0
Swell
Height Map
Wave Height (m) & direction (?)
0.6
WNW
0.4
SW
0.4
SW
0.4
SW
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
0.7
S
0.7
S
0.7
S
0.7
S
0.7
S
0.7
S
0.7
S
0.6
S
Period(s) (?)101414131313121314141414141313131313131312121212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)676747636261559293939793129127173170165160155153148143141103
Wind
(km/h)
10
NW
5
NW
5
NNW
5
SW
5
SW
5
W
5
NNW
15
NNW
15
NNW
15
NNW
10
NNW
10
NNW
5
WNW
5
SSE
5
S
5
SW
10
WSW
10
WSW
10
WSW
5
SW
5
S
10
S
10
S
5
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
glassglassglassglassglasscross-
on
crosscross-
on
cross-
on
cross-
on
cross-
on
glassglassglassglasscross-
on
ononcross-
on
crosscrosscrosscross-
on
High Tide
/ height (m)
1:16PM
0.42
12:54AM
0.66
1:49PM
0.52
1:32AM
0.65
2:23PM
0.62
2:08AM
0.63
Low Tide
/ height (m)
6:21PM
0.23
7:43AM
0.11
7:21PM
0.20
8:04AM
0.07
8:16PM
0.18
Sunday
12
Monday
13
Tuesday
14
Wednesday
15
Sunrise-------6:07-------6:07-------6:05
Sunset--6:39-------6:40-------6:40-----
part cloud
thunderstorm
rain showers
rain showers
rain showers
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
Rain (mm)
-1111-------------------
Temp. °C252525242424242526262525252424252626252524242424
Feels °C (?)282929282728272727282727292727282829282827272727
  • 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.


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