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

information circle48hr Weather and Surf, issued 1 pm Friday 20 Feb 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
25.0° 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 6PM is: 0.2m 11s primary swell from a West-northwest direction and 0.2m 12s secondary swell from a South direction, 0.4m 3s secondary swell from a West-northwest direction (forecast issued at 01:00pm February 20). The wind direction is predicted to be glassy.

Time (HST) & DateWave HeightWave Period
Morning (20 Feb)0.5ft (0.2m)11s
Afternoon (20 Feb)0.5ft (0.2m)11s
Evening (20 Feb)0.5ft (0.2m)12s

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

Updates in  hr  min  s Forecast update imminent
Friday
20
Saturday
21
Sunday
22
Monday
23
11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM
Rating
(10 max)
0
0
0
0
0
0
1
0
0
0
0
0
1
1
1
0
0
0
0
0
0
1
1
1
Swell
Height Map
Wave Height (m) & direction (?)
0.2
S
0.2
WNW
0.2
S
0.2
S
0.2
S
0.3
S
0.2
S
0.2
S
0.2
S
0.2
S
0.3
SW
0.3
SW
0.3
SW
0.4
S
0.4
NW
0.4
NW
0.4
NW
0.4
SW
0.4
SW
0.4
SW
0.4
SW
0.4
SW
0.4
SW
0.4
SW
Period(s) (?)121112121211151515151414151312121214131313131313
Wave
Graph
(?)Metric surfscale
Energy kJ (?)121111111123221721213333335540373546464545464646
Wind
(km/h)
10
W
15
WNW
5
NW
5
SSE
10
SSE
5
S
0
NNE
5
NNW
10
NW
15
NW
10
NW
10
NW
5
WSW
0
SW
0
N
10
NNW
15
NW
15
NW
15
NW
15
N
10
N
0
NNE
5
SSE
5
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
ononcross-
on
cross-
off
cross-
off
crossglassglasscross-
on
cross-
on
cross-
on
cross-
on
glassglassglasscrosscross-
on
cross-
on
cross-
on
crosscrossglassglasscross-
off
High Tide
/ height (m)
6:19PM
0.63
5:53AM
0.57
7:12PM
0.66
6:20AM
0.48
8:17PM
0.66
6:46AM
0.40
Low Tide
/ height (m)
11:52AM
0.06
12:14AM
0.23
12:19PM
0.07
1:20AM
0.29
12:51PM
0.08
3:00AM
0.34
Friday
20
Saturday
21
Sunday
22
Monday
23
Sunrise-------6:48-------6:48-------6:47
Sunset--6:24-------6:25-------6:25-----
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
thunderstorm
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
-----------1------------
Temp. °C242423232323222324242423232222232424242323232223
Feels °C (?)242425252425252525242525262524242424242324252324
  • 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

Latest Updates

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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