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Surf Forecasts:

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

information circle48hr Weather and Surf, issued 1 am Tuesday 13 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
26.0° C
 (Which is 1.3°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 6AM is: 1.4m 16s primary swell from a Northwest direction and 0.2m 10s secondary swell from a South direction (forecast issued at 01:00am January 13). The wind direction is predicted to be glassy and the swell rating is 3.

Time (HST) & DateWave HeightWave Period
Morning (13 Jan)5ft (1.5m)16s
Afternoon (13 Jan)4.5ft (1.4m)14s
Evening (13 Jan)4.5ft (1.3m)14s

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
Tuesday
13
Wednesday
14
Thursday
15
11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM
Rating
(10 max)
2
3
4
4
1
2
2
2
3
3
2
2
1
0
0
0
0
1
1
1
0
0
1
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.8
NW
1
NW
1.4
NW
1.5
NW
1.4
NW
1.4
NW
1.4
NW
1.4
NW
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
0.7
NW
0.7
WNW
0.6
WNW
0.6
WNW
0.7
NW
0.8
WNW
0.9
WNW
Period(s) (?)161616161515141414141313131313131212121212121212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)31049298910879677737427315735324064003362452411641571521299696144177211
Wind
(km/h)
5
NNE
5
NNE
5
NE
5
E
10
SW
10
WSW
10
WNW
10
NW
5
NW
5
SSW
5
SSW
5
W
5
WSW
25
SSW
25
S
20
S
20
S
15
S
10
SSE
5
S
10
WSW
10
NW
15
N
10
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassglassglassglasscross-
on		cross-
on		cross-
on		cross-
on		glassglassglassglassoncross-
on		crosscrosscross-
off		cross-
off		cross-
off		glassoncross-
on		crossglass
High Tide
/ height (m)
1:02AM
0.68
11:42AM
0.30
1:43AM
0.72
1:00PM
0.29
2:21AM
0.77
1:53PM
0.30
Low Tide
/ height (m)
8:58AM
0.28
5:43PM
0.13
9:24AM
0.24
6:34PM
0.10
9:49AM
0.20
7:19PM
0.08
Tuesday
13
Wednesday
14
Thursday
15
Sunrise---7:00-------7:00-------7:00----
Sunset------6:04-------6:05-------6:05-
rain showers
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
Rain (mm)
1-----------------------
Temp. °C232323242524242423232323242525242323232325242424
Feels °C (?)262525272625262625262526262324242223232426252526
  • 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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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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