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Surf Forecasts:

Castles Beach surf break

Castles Beach surfForecast / HAW – Oahu / USA

information circle48hr Weather and Surf, issued 7 am Sunday 11 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 9AM is: 0.6m 8s primary swell from a East direction (forecast issued at 07:00am January 11). An open ocean swell of 2.2m 16s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (HST) & DateWave HeightWave Period
Morning (11 Jan)2ft (0.6m)8s
Afternoon (11 Jan)2ft (0.6m)8s
Evening (11 Jan)2ft (0.6m)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
Sunday
11
Monday
12
Tuesday
13
Wed
14
5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM
Rating
(10 max)
0
0
0
0
1
1
1
1
1
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 (?)
0.6
E
0.7
E
0.6
E
0.6
E
0.6
E
0.6
E
0.6
E
0.4
SSW
0.4
SSW
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
0.4
ESE
0.4
ESE
0.4
E
0.4
E
Period(s) (?)88888881010888888888888999
Wave
Graph
(?)Metric surfscale
Energy kJ (?)466449494949493834333322222222222221212123252425
Wind
(km/h)
5
SE
10
S
10
SSE
10
S
5
WSW
10
SW
15
SW
15
WSW
10
SSW
15
NW
35
NNW
35
NNW
30
NNW
20
N
20
N
20
NNE
15
NNE
15
NE
15
NE
15
ENE
15
E
15
E
15
ESE
15
SE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		crosscrosscrossglasscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		crosscrosscrosscross-
on		cross-
on		cross-
on		ononononcross-
on
High Tide
/ height (m)
5:28AM
0.56
12:19AM
0.65
12:51AM
0.71
1:21AM
0.77
Low Tide
/ height (m)
2:55AM
0.56
3:08PM
0.22
4:01PM
0.19
4:54PM
0.16
Sunday
11
Monday
12
Tuesday
13
Wed
14
Sunrise-7:09-------7:11-------7:11------
Sunset----6:06-------6:07-------6:07---
clear
part cloud
clear
part cloud
part cloud
clear
clear
clear
part cloud
rain showers
light rain
clear
clear
part cloud
clear
clear
part cloud
clear
clear
cloud
part cloud
part cloud
cloud
cloud
Rain (mm)
---------11-------------
Temp. °C232324242424232323232223222121212121212222222323
Feels °C (?)252525252626242425241817171818191920192121212323
  • 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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