Kua Bay surf break

Kua Bay surfForecast / HAW – Big Island / USA

information circle48hr Weather and Surf, issued 1 pm Monday 20 Apr 2026 HST
Forecast update in hr  min  s Forecast update imminent
Kua Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Kua Bay sea temperature is
25.5° C
(Which is 1.0°C warmer than normal for this time of year)

How big are the waves at Kua Bay today?

The current surf forecast for Kua Bay at 6PM is: 0.5m 13s primary swell from a West direction (forecast issued at 01:00pm April 20). An open ocean swell of 0.4m 7s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (HST) & DateWave HeightWave Period
Morning (20 Apr)1.5ft (0.5m)14s
Afternoon (20 Apr)1.5ft (0.5m)14s
Evening (20 Apr)1.5ft (0.5m)13s

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


Updates in  hr  min  s Forecast update imminent
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM
Rating
(10 max)
0
0
0
0
0
0
1
0
0
0
0
1
2
2
2
2
1
1
1
2
2
2
2
2
Swell
Height Map
Wave Height (m) & direction (?)
0.5
W
0.5
W
0.5
W
0.5
W
0.5
W
0.5
W
0.5
W
0.5
W
0.6
W
0.5
W
0.5
W
0.7
W
0.7
W
0.7
W
0.8
W
0.7
W
0.7
W
0.8
W
0.8
W
0.8
W
0.7
W
0.7
W
0.7
W
0.7
W
Period(s) (?)141413131313131314151515161514141414141414131313
Wave
Graph
(?)Metric surfscale
Energy kJ (?)9797878484848587132121118233239209261203203261257243181176173171
Wind
(km/h)
10
W
10
WNW
10
WNW
5
WNW
10
SW
10
SW
5
WSW
5
WSW
10
W
10
W
5
NW
10
N
5
NW
10
SSW
10
SSW
5
SSW
10
W
10
WNW
10
W
5
SW
0
SW
0
NNW
0
NW
5
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
oncross-
on
crosscrossglasscrosscross-
on
cross-
on
oncross-
on
glasscross-
off
cross-
off
cross-
off
cross-
on
oncross-
on
glassglassglassglassglass
High Tide
/ height (m)
6:39PM
0.84
6:13AM
0.29
7:39PM
0.80
7:32AM
0.26
8:49PM
0.75
Low Tide
/ height (m)
11:02AM
0.03
2:11AM
0.20
11:43AM
0.08
3:41AM
0.20
12:35PM
0.14
5:03AM
0.18
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Sunrise-------6:01-------6:01-------6:00
Sunset--6:43-------6:43-------6:44-----
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
part cloud
clear
clear
Rain (mm)
------------------------
Temp. °C252525252424232425252524242424242525252424242424
Feels °C (?)272727282627262727272826272726272827282728282827
  • 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

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 Kua Bay 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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