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Surf Forecasts:

Castles Beach surf break

Castles Beach surfForecast / HAW – Oahu / USA

information circle48hr Weather and Surf, issued 7 pm Monday 02 Feb 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
24.8° C
 (Which is slightly warmer than usual)

How big are the waves at Castles Beach today?

The current surf forecast for Castles Beach at 2AM is: 0.4m 9s primary swell from a Southeast direction (forecast issued at 07:00pm February 02). An open ocean swell of 3.0m 14s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (HST) & DateWave HeightWave Period
Morning (03 Feb)1ft (0.3m)9s
Afternoon (03 Feb)0.5ft (0.2m)14s
Evening (03 Feb)1ft (0.3m)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
Monday
02
Tuesday
03
Wednesday
04
Thursday
05
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)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.3
ESE
0.3
ESE
0.4
S
0.4
SE
0.4
SE
0.3
SE
0.2
SSW
0.2
SSW
0.3
S
0.3
ESE
0.2
ESE
0.2
ESE
0.2
ESE
0.2
ESE
3
NNW
3
NNW
0.2
ESE
0.2
SSW
0.2
ESE
0.2
ESE
0.3
ESE
0.3
ESE
0.3
ESE
0.4
SE
Period(s) (?)995999141414988881515813888888
Wave
Graph
(?)Metric surfscale
Energy kJ (?)15159191912212137157777007177613131216
Wind
(km/h)
35
SW
30
WSW
20
WNW
20
NW
20
NW
15
NW
15
NNW
25
N
20
NNW
20
NNW
15
N
15
N
15
NNE
15
ENE
15
E
15
ESE
15
ESE
10
E
10
SSE
10
SSW
5
SW
5
W
0
E
15
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		crosscrosscross-
on		cross-
on		ononononcross-
on		cross-
off		cross-
off		glassglasscross-
off
High Tide
/ height (m)
2:48PM
0.53
3:54AM
0.88
3:33PM
0.56
4:17AM
0.83
4:18PM
0.57
4:35AM
0.76
Low Tide
/ height (m)
8:50PM
0.06
10:25AM
0.27
9:26PM
0.13
10:48AM
0.25
10:00PM
0.22
11:11AM
0.23
Monday
02
Tuesday
03
Wednesday
04
Thursday
05
Sunrise-----7:07-------7:07-------7:05--
Sunset6:21-------6:22-------6:22-------
clear
cloud
rain showers
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
Rain (mm)
--1---------------------
Temp. °C252423232221222222212121212222222322222121212224
Feels °C (?)212123212119201819181919192120202222222122232424
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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