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

information circle48hr Weather and Surf, issued 1 am Saturday 25 Oct 2025 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
26.8° C
(Which is normal for this time of year)


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

The current surf forecast for Kahalu'u Beach Park at 6AM is: 0.3m 15s primary swell from a Southwest direction and 0.3m 13s secondary swell from a South direction, 0.3m 12s secondary swell from a Northwest direction (forecast issued at 01:00am October 25). The wind direction is predicted to be glassy.

Time (HST) & DateWave HeightWave Period
Morning (25 Oct)1ft (0.3m)13s
Afternoon (25 Oct)1ft (0.3m)15s
Evening (25 Oct)1.5ft (0.4m)12s

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

Updates in  hr  min  s Forecast update imminent
Saturday
25
Sunday
26
Monday
27
11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM
Rating
(10 max)
1
1
1
1
0
0
0
1
1
1
1
0
0
1
1
1
1
0
1
1
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.4
SW
0.3
SW
0.3
SW
0.3
SSW
0.4
NW
0.3
SW
0.3
SW
0.4
SSW
0.4
S
0.4
S
0.4
S
0.3
S
0.3
SSW
0.3
S
0.3
SW
0.4
SW
0.3
SW
0.2
SSW
0.3
SW
0.4
SW
0.4
SSW
0.4
SW
0.3
SSW
0.3
SSW
Period(s) (?)161616131415151212121212111118181814171717171919
Wave
Graph
(?)Metric surfscale
Energy kJ (?)6640393553343549464544242522498252204775117757071
Wind
(km/h)
10
SSE
10
SE
5
ESE
0
SW
10
WSW
10
SW
10
NNW
5
N
5
S
5
SSE
0
SW
5
NNW
10
WSW
5
WSW
5
SSW
0
WNW
5
NNW
5
NW
0
NNW
0
W
10
W
10
W
10
W
10
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
glassglasscross-
on
cross-
on
cross-
on
glassglassglassglassglassonglassglassglassglassglassglassglassonononcross-
on
High Tide
/ height (m)
5:54AM
0.73
5:09PM
0.31
6:40AM
0.70
5:40PM
0.27
7:35AM
0.67
6:50PM
0.25
Low Tide
/ height (m)
10:22PM
0.09
1:19PM
0.24
10:48PM
0.11
2:40PM
0.25
11:16PM
0.14
4:28PM
0.24
Saturday
25
Sunday
26
Monday
27
Sunrise---6:20-------6:22-------6:22----
Sunset------5:52-------5:52-------5:52-
clear
clear
clear
clear
clear
thunderstorm
light rain
light rain
part cloud
part cloud
cloud
cloud
part cloud
clear
part cloud
part cloud
part cloud
cloud
light rain
rain showers
part cloud
thunderstorm
rain showers
cloud
Rain (mm)
-----111----------11-12-
Temp. °C252525252625262524242425262525252525242526252525
Feels °C (?)282728282827282827272828282928292829282929282828
  • 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

Eyeball surf reportRecent Eyeball Surf Reports for HAW - Big Island

  1. weather stationWind Update Continuing clean conditions at Kahalu'u Beach Park (calm at Kailua Kona 4 km from Kahalu'u Beach Park). A 0.9m groundswell from the SSW

    Kahalu'u Beach Park
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