Kahuku Ranch surfForecast / HAW – Big Island / USA

information circle48hr Weather and Surf, issued 1 am Wednesday 04 Feb 2026 HST
Forecast update in hr  min  s Forecast update imminent
Kahuku Ranch surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Kahuku Ranch sea temperature is
25.3° C
(Which is slightly warmer than usual)


How big are the waves at Kahuku Ranch today?

The current surf forecast for Kahuku Ranch at 9AM is: 2.1m 14s primary swell from a Northwest direction (forecast issued at 01:00am February 04). An open ocean swell of 0.2m 11s is not directed at the surf break, a second open ocean swell of 1.0m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (HST) & DateWave HeightWave Period
Morning (04 Feb)7ft (2.1m)14s
Afternoon (04 Feb)6ft (1.9m)14s
Evening (04 Feb)6ft (1.8m)14s

Table - waves today at Kahuku Ranch. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent
Wednesday
04
Thursday
05
Friday
06
11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM
Rating
(10 max)
4
4
4
4
3
2
2
2
3
3
2
3
2
2
3
2
2
2
2
2
1
1
1
1
Swell
Height Map
Wave Height (m) & direction (?)
2.2
NW
2.2
NW
2.1
NW
2.1
NW
2
WNW
1.9
NW
1.9
NW
1.9
NW
1.7
NW
1.6
NW
1.6
NW
1.5
NW
1.4
NW
1.4
NW
1.2
NW
1.1
NW
1.1
NW
1
NW
0.9
WNW
0.9
WNW
0.9
NW
0.9
NW
0.8
WNW
1.1
NW
Period(s) (?)151515141414141414141413131313131212121212121112
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2089208918101785169015541426140711871064934792632623494411341287251247202192160349
Wind
(km/h)
5
NNW
5
ENE
5
E
15
E
25
E
30
E
30
E
25
ENE
20
ENE
15
ENE
20
ENE
15
ENE
20
E
15
SE
10
SE
15
E
15
E
15
E
10
ENE
10
E
25
ESE
20
ESE
20
SE
15
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
glasscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
5:20AM
0.93
5:46PM
0.68
5:47AM
0.84
6:28PM
0.69
6:12AM
0.74
7:14PM
0.69
Low Tide
/ height (m)
10:48PM
0.10
11:52AM
0.10
11:29PM
0.17
12:18PM
0.12
12:11AM
0.26
12:44PM
0.14
Wednesday
04
Thursday
05
Friday
06
Sunrise---6:54-------6:54-------6:54----
Sunset------6:16-------6:17-------6:17-
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. °C232323232425242222222122242424232323232324252523
Feels °C (?)252525222122212021211921232324222223232322242423
  • 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 Kahuku Ranch 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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