Kua Bay surf break

Kua Bay surfForecast / HAW – Big Island / USA

information circle48hr Weather and Surf, issued 1 am Sunday 19 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 8AM is: 0.3m 14s primary swell from a West direction and 0.3m 12s secondary swell from a West direction (forecast issued at 01:00am April 19). An open ocean swell of 0.4m 4s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (HST) & DateWave HeightWave Period
Morning (19 Apr)1ft (0.3m)14s
Afternoon (19 Apr)1ft (0.3m)14s
Evening (19 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
Sunday
19
Monday
20
Tuesday
21
11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM
Rating
(10 max)
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
1
1
1
1
0
0
0
0
1
Swell
Height Map
Wave Height (m) & direction (?)
0.4
W
0.4
W
0.4
W
0.3
W
0.3
W
0.3
W
0.3
W
0.4
W
0.5
W
0.5
W
0.5
W
0.5
W
0.5
W
0.5
W
0.5
W
0.5
W
0.5
W
0.5
W
0.5
W
0.5
W
0.6
W
0.5
W
0.5
W
0.7
W
Period(s) (?)121212141414141313131414141413131313131314161515
Wave
Graph
(?)Metric surfscale
Energy kJ (?)4647473637373754858789959797878484848587132122118233
Wind
(km/h)
10
SE
10
S
10
NNE
10
NNW
10
W
15
SW
15
SSW
15
S
10
S
5
SW
5
NNW
5
NW
10
NW
10
WNW
10
W
10
SSW
15
SSW
10
SSW
10
SSW
5
SW
10
W
10
W
5
NW
5
NW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offcross-
off
cross-
on
cross-
on
cross-
on
crosscross-
off
cross-
off
cross-
off
glassonononcross-
on
cross-
on
cross-
off
cross-
off
cross-
off
cross-
off
crosscross-
on
cross-
on
onon
High Tide
/ height (m)
4:40AM
0.40
5:47PM
0.88
5:22AM
0.34
6:39PM
0.84
6:13AM
0.29
7:39PM
0.80
Low Tide
/ height (m)
11:52PM
0.16
10:25AM
0.00
12:55AM
0.18
11:02AM
0.03
2:11AM
0.20
11:43AM
0.08
Sunday
19
Monday
20
Tuesday
21
Sunrise---6:03-------6:01-------6:01----
Sunset------6:43-------6:43-------6:43-
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
Rain (mm)
------------------------
Temp. °C252424242526252524242424252525242424232425252524
Feels °C (?)272627262727262726282727272627262626252728272827
  • 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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