Kapaniah surfForecast / HAW – Big Island / USA

information circle48hr Weather and Surf, issued 1 pm Saturday 20 Dec 2025 HST
Forecast update in hr  min  s Forecast update imminent
Kapaniah surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Kapaniah sea temperature is
26.0° C
(Which is 1.0°C warmer than normal for this time of year)


How big are the waves at Kapaniah today?

The current surf forecast for Kapaniah at 4PM is: 1.3m 11s primary swell from a North direction and 0.9m 14s secondary swell from a North direction (forecast issued at 01:00pm December 20). The wind direction is predicted to be onshore.

Time (HST) & DateWave HeightWave Period
Morning (20 Dec)4.5ft (1.4m)11s
Afternoon (20 Dec)4.5ft (1.4m)11s
Evening (20 Dec)4.5ft (1.4m)13s

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

Updates in  hr  min  s Forecast update imminent
Saturday
20
Sunday
21
Monday
22
Tuesday
23
11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM
Rating
(10 max)
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.4
N
1.4
N
1.3
N
1.2
N
1.7
N
1.7
N
1.6
N
1.5
N
1.5
N
1.4
N
1.3
N
1.3
N
1.2
N
1.2
N
1.2
N
1.1
N
1.1
N
1.1
N
1.2
N
1.3
N
1.4
NNE
1.3
N
1.9
ENE
1.7
ENE
Period(s) (?)1111111313131212121212111111111111111111111077
Wave
Graph
(?)Metric surfscale
Energy kJ (?)492483418503961917726607596520438431361348342287282282329388452353311277
Wind
(km/h)
10
NNE
10
NNE
10
ENE
20
E
25
E
20
ESE
20
E
25
ESE
30
E
30
E
30
E
30
E
30
E
30
E
35
E
35
E
35
E
30
E
25
E
30
E
35
E
35
ENE
35
E
35
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
High Tide
/ height (m)
2:27PM
0.45
4:12AM
0.95
3:01PM
0.45
4:45AM
0.94
3:39PM
0.45
5:16AM
0.92
Low Tide
/ height (m)
10:37AM
0.34
8:37PM
0.04
11:11AM
0.34
9:09PM
0.05
11:46AM
0.34
9:41PM
0.08
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Sunrise-------6:52-------6:54-------6:54
Sunset--5:46-------5:47-------5:47-----
clear
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
part cloud
light rain
light rain
rain showers
part cloud
Rain (mm)
--------------------111-
Temp. °C262525242423232425252424242323242525242323232223
Feels °C (?)282727242423222424232222222120212224232120201819
  • 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 Kapaniah 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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