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

information circle48hr Weather and Surf, issued 1 pm Wednesday 11 Mar 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
25.2° C
(Which is slightly warmer than usual)

How big are the waves at Kahalu'u Beach Park today?

The current surf forecast for Kahalu'u Beach Park at 9PM is: 0.8m 12s primary swell from a West-northwest direction and 0.5m 12s secondary swell from a South direction, 0.5m 4s secondary swell from a South direction (forecast issued at 01:00pm March 11). The wind direction is predicted to be cross-offshore.

Time (HST) & DateWave HeightWave Period
Morning (11 Mar)2ft (0.6m)13s
Afternoon (11 Mar)2.5ft (0.7m)13s
Evening (11 Mar)2.5ft (0.8m)12s

Table - waves today at Kahalu'u Beach Park. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent
Wednesday
11
Thursday
12
Friday
13
Saturday
14
11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM
Rating
(10 max)
0
0
0
0
1
2
2
1
2
0
2
2
2
2
2
1
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.6
WNW
0.6
WNW
0.8
WNW
0.8
WNW
0.9
WNW
0.9
WNW
0.9
WNW
0.9
WNW
0.9
WNW
0.9
WNW
0.9
WNW
0.9
WNW
0.9
WNW
0.9
WNW
0.9
WNW
0.9
WNW
0.8
WNW
0.7
WNW
0.7
WNW
0.7
WNW
1.6
S
0.6
WNW
0.7
WNW
0.9
WNW
Period(s) (?)13131212121211111111101010101010101010106101010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1351271691611961891801732102021951911871841801671331041041021527598154
Wind
(km/h)
25
SSW
25
S
25
S
20
S
15
S
15
SSE
10
SSE
10
S
5
S
20
SSW
5
ENE
0
WNW
5
ENE
10
NE
5
E
5
E
30
SSW
40
SSW
40
S
40
S
40
S
45
SSE
40
S
45
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscrosscrosscrosscross-
off
cross-
off
crossglasscrossglassglassoffcross-
off
offglasscrosscrosscrosscross-
off
crosscross-
off
cross-
off
cross-
off
High Tide
/ height (m)
11:33PM
0.62
11:51AM
0.25
12:33AM
0.66
12:59PM
0.30
1:16AM
0.70
Low Tide
/ height (m)
2:10PM
0.20
8:22AM
0.23
4:13PM
0.21
8:21AM
0.20
5:44PM
0.19
Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sunrise-------6:33-------6:33-------6:33
Sunset--6:31-------6:31-------6:31-----
part cloud
cloud
part cloud
clear
clear
thunderstorm
part cloud
cloud
cloud
thunderstorm
light rain
part cloud
cloud
part cloud
part cloud
part cloud
cloud
cloud
thunderstorm
light rain
thunderstorm
light rain
light rain
mod rain
Rain (mm)
-----1---22-------153138
Temp. °C262525242424242525252324242525252827262324252524
Feels °C (?)252324242525252627252527252525262623221920202120
  • 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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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 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.


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