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Surf Forecasts:

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

information circle48hr Weather and Surf, issued 7 am Monday 12 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
25.9° C
 (Which is 1.1°C warmer than normal for this time of year)

How big are the waves at Kahalu'u Beach Park today?

The current surf forecast for Kahalu'u Beach Park at 2PM is: 0.4m 11s primary swell from a West-northwest direction and 0.4m 13s secondary swell from a Northwest direction (forecast issued at 07:00am January 12). The wind direction is predicted to be onshore.

Time (HST) & DateWave HeightWave Period
Morning (12 Jan)1.5ft (0.4m)13s
Afternoon (12 Jan)1.5ft (0.4m)13s
Evening (12 Jan)2.5ft (0.8m)17s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Monday
12
Tuesday
13
Wednesday
14
Thu
15
5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM
Rating
(10 max)
1
1
0
0
1
2
2
3
3
3
2
2
2
3
3
3
2
2
1
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.4
NW
0.5
NW
0.4
NW
0.4
NW
0.6
NW
0.8
NW
0.8
NW
1.1
NW
1.4
NW
1.4
NW
1.4
NW
1.4
NW
1.4
NW
1.3
WNW
1.2
NW
1.2
NW
1.1
NW
1.1
NW
1
NW
0.9
NW
0.9
NW
0.7
NW
0.7
NW
0.6
NW
Period(s) (?)141213131817161616161515141414141313131313131212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)55685050255358310567906976967773742672573532406400336245241164157120
Wind
(km/h)
5
S
5
SSW
10
WSW
10
W
5
NW
5
NNW
5
NNE
5
SE
0
ESE
5
S
10
WSW
10
W
5
NW
5
NNW
0
SE
5
S
5
W
0
N
10
SW
30
SSW
25
S
20
S
15
S
15
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassglassononcross-
on		glassglassglassglassglasscross-
on		oncross-
on		glassglassglassglassglasscross-
on		crosscrosscrosscross-
off		cross
High Tide
/ height (m)
9:37AM
0.34
1:02AM
0.68
11:42AM
0.30
1:43AM
0.72
1:00PM
0.29
Low Tide
/ height (m)
8:22AM
0.34
4:50PM
0.14
8:58AM
0.28
5:43PM
0.13
9:24AM
0.24
6:34PM
0.10
Monday
12
Tuesday
13
Wednesday
14
Thu
15
Sunrise-7:00-------7:00-------7:00------
Sunset----6:02-------6:04-------6:05---
clear
clear
clear
part cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C232324242423232323232424232323232323242524242423
Feels °C (?)252425262625262526262626252626252626262221232322
  • 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.

View detailed surf forecast for Kahalu'u Beach Park at:
surf-forecast.com

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