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

information circle48hr Weather and Surf, issued 1 pm Saturday 31 Jan 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
25.4° 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: 1.3m 14s primary swell from a West-northwest direction and 0.3m 13s secondary swell from a South-southwest direction (forecast issued at 01:00pm January 31). The wind direction is predicted to be cross-shore.

Time (HST) & DateWave HeightWave Period
Morning (31 Jan)5.5ft (1.7m)16s
Afternoon (31 Jan)4.5ft (1.4m)16s
Evening (31 Jan)4.5ft (1.3m)15s

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

Updates in  hr  min  s Forecast update imminent
Saturday
31
Sunday
01
Monday
02
Tuesday
03
11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM
Rating
(10 max)
3
3
3
2
2
3
3
2
1
1
1
1
2
2
1
1
0
0
0
1
1
1
2
1
Swell
Height Map
Wave Height (m) & direction (?)
1.6
NW
1.5
WNW
1.4
NW
1.3
WNW
1.3
WNW
1.2
WNW
1.2
WNW
1.1
NW
1
WNW
0.9
WNW
0.9
WNW
0.8
WNW
0.8
WNW
0.8
WNW
0.7
WNW
0.7
WNW
0.6
WNW
0.6
WNW
0.6
WNW
0.6
WNW
0.6
WNW
0.6
NW
0.8
NW
0.6
NW
Period(s) (?)161615151414141413131313121212121211111111151514
Wave
Graph
(?)Metric surfscale
Energy kJ (?)120811129677206915385304313622952902021901841251218882819390137255164
Wind
(km/h)
10
WSW
10
W
10
NW
5
NNW
5
NNW
5
NNW
5
NNW
0
SSE
10
SW
10
WSW
5
WSW
5
S
10
SSE
15
SSE
15
SE
15
SE
20
S
20
SSW
15
SSW
15
S
10
S
10
S
10
SSE
10
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
oncross-
on
crosscross-
on
glassglassglasscross-
on
oncross-
on
crosscross-
off
cross-
off
cross-
off
cross-
off
crosscrosscrosscross-
off
cross-
off
crosscross-
off
cross
High Tide
/ height (m)
3:04PM
0.36
3:47AM
0.91
3:49PM
0.41
4:23AM
0.89
4:32PM
0.45
4:55AM
0.83
Low Tide
/ height (m)
10:16AM
0.11
8:33PM
0.00
10:45AM
0.10
9:20PM
0.01
11:13AM
0.09
10:04PM
0.05
Saturday
31
Sunday
01
Monday
02
Tuesday
03
Sunrise-------6:58-------6:58-------6:58
Sunset--6:15-------6:15-------6:15-----
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C252524242423232325252423232324242525242323232323
Feels °C (?)262726272626262627262626252223232424242322232324
  • 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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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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