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Surf Forecasts:

Castles Beach surf break

Castles Beach surfForecast / HAW – Oahu / USA

information circle48hr Weather and Surf, issued 7 pm Saturday 10 Jan 2026 HST
Forecast update in hr  min  s Forecast update imminent
Castles Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Castles Beach sea temperature is
25.1° C
 (Which is slightly warmer than usual)

How big are the waves at Castles Beach today?

The current surf forecast for Castles Beach at 11PM is: 0.7m 8s primary swell from a East direction (forecast issued at 07:00pm January 10). An open ocean swell of 1.9m 14s is not directed at the surf break, a second open ocean swell of 1.5m 19s is not directed at the surf break. The wind direction is predicted to be glassy.

Time (HST) & DateWave HeightWave Period
Morning (10 Jan)--
Afternoon (10 Jan)2ft (0.6m)8s
Evening (10 Jan)2.5ft (0.7m)8s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Saturday
10
Sunday
11
Monday
12
Tuesday
13
5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM
Rating
(10 max)
1
1
1
1
1
1
0
0
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.7
E
0.7
E
0.7
E
0.7
E
0.6
E
0.7
E
0.6
E
0.6
E
0.6
E
0.6
E
0.5
E
0.5
E
0.5
E
0.5
E
0.5
E
0.4
ESE
0.4
ESE
0.4
ESE
0.4
ESE
0.4
ESE
0.4
ESE
0.4
ESE
0.4
ESE
0.4
ESE
Period(s) (?)888888888888888888888888
Wave
Graph
(?)Metric surfscale
Energy kJ (?)636363634664494949493434333333222222222221212121
Wind
(km/h)
0
NNE
5
NE
5
ENE
5
ENE
5
SE
5
SSE
10
SSE
10
SSE
5
SW
10
SW
10
WSW
15
WSW
10
W
5
WNW
30
NNW
30
NNW
35
N
25
N
25
N
20
NNE
20
NNE
15
ENE
15
ENE
15
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassglassglassglassglassglasscross-
on		cross-
on		glasscross-
off		cross-
off		offoffoffcross-
off		cross-
off		crosscrosscrosscross-
on		cross-
on		cross-
on		cross-
on		on
High Tide
/ height (m)
11:25PM
0.57
5:28AM
0.56
12:19AM
0.65
12:51AM
0.71
Low Tide
/ height (m)
2:20PM
0.24
2:55AM
0.56
3:08PM
0.22
4:01PM
0.19
Saturday
10
Sunday
11
Monday
12
Tuesday
13
Sunrise-----7:09-------7:11-------7:11--
Sunset6:06-------6:06-------6:07-------
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
part cloud
light rain
light rain
part cloud
part cloud
clear
part cloud
clear
part cloud
clear
part cloud
part cloud
Rain (mm)
-------------12---------
Temp. °C242423232323242424242323232322222221212020202122
Feels °C (?)272725262525262526262424252519171718181718181921
  • 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 Castles Beach 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.

View detailed surf forecast for Castles Beach at:
surf-forecast.com

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