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Surf Forecasts:

Castles Beach surf break

Castles Beach surfForecast / HAW – Oahu / USA

information circle48hr Weather and Surf, issued 7 am Wednesday 07 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 12PM is: 1.7m 8s primary swell from a East direction and 0.9m 10s secondary swell from a North-northeast direction (forecast issued at 07:00am January 07). An open ocean swell of 0.6m 15s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (HST) & DateWave HeightWave Period
Morning (07 Jan)6ft (1.9m)8s
Afternoon (07 Jan)5ft (1.5m)8s
Evening (07 Jan)3.5ft (1.1m)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
Wednesday
07
Thursday
08
Friday
09
Sat
10
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
0
0
0
1
1
1
1
0
0
0
0
1
1
0
0
0
0
0
0
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
2
E
2
E
1.8
E
1.6
E
1.4
E
1
NE
0.9
NE
0.8
NNE
0.8
NE
0.9
E
0.8
E
0.8
E
0.7
E
0.7
E
0.7
E
0.7
E
0.7
E
0.7
E
0.7
E
0.7
E
0.7
E
0.7
E
0.6
E
0.6
E
Period(s) (?)888889888888888888888888
Wave
Graph
(?)Metric surfscale
Energy kJ (?)4824663682912221481058882897278616364666868696971695151
Wind
(km/h)
35
E
30
E
25
E
20
E
15
ESE
15
SE
10
SE
5
S
5
WSW
5
W
0
N
10
NNE
5
N
10
N
5
N
5
NNW
5
NNW
5
N
5
NNE
10
ENE
10
NE
5
NE
5
NE
5
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
onononononcross-
on		cross-
on		glassglassglassglasscrosscrosscrosscrosscross-
off		cross-
off		crosscross-
on		cross-
on		cross-
on		cross-
on		cross-
on		glass
High Tide
/ height (m)
5:30AM
0.82
5:25PM
0.46
5:52AM
0.74
6:47PM
0.47
6:08AM
0.68
8:49PM
0.50
Low Tide
/ height (m)
12:30PM
0.30
10:45PM
0.26
1:04PM
0.28
11:19PM
0.37
1:40PM
0.26
11:59PM
0.48
Wednesday
07
Thursday
08
Friday
09
Sat
10
Sunrise-7:09-------7:09-------7:09------
Sunset----6:04-------6:04-------6:05---
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C232323242424242323232424242423232323232324232323
Feels °C (?)192020222324252525252625262625262626252425242526
  • 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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