Snow-ForecastSnow-ForecastMountain-ForecastMountain-ForecastTide-ForecastTide-ForecastWeather-ForecastWeather-Forecast
Search by country, region, or break
Search by country, region, or break

Quick Links

Surf Forecasts:

Castles Beach surf break

Castles Beach surfForecast / HAW – Oahu / USA

information circle48hr Weather and Surf, issued 1 am Friday 09 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
25.0° C
 (Which is slightly warmer than usual)

How big are the waves at Castles Beach today?

The current surf forecast for Castles Beach at 6AM is: 0.7m 8s primary swell from a East direction and 0.7m 8s secondary swell from a Northeast direction (forecast issued at 01:00am January 09). The wind direction is predicted to be glassy.

Time (HST) & DateWave HeightWave Period
Morning (09 Jan)2.5ft (0.7m)8s
Afternoon (09 Jan)2ft (0.6m)8s
Evening (09 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
Friday
09
Saturday
10
Sunday
11
11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM
Rating
(10 max)
1
1
0
1
1
0
1
1
0
1
1
1
1
0
1
1
1
1
1
1
0
0
1
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.7
NE
0.7
NE
0.7
NE
0.7
E
0.7
E
0.6
E
0.6
E
0.6
E
0.6
E
0.6
E
0.6
E
0.8
E
0.6
E
0.6
E
0.7
E
0.7
E
0.7
E
0.7
E
0.6
E
0.6
E
0.6
E
0.6
E
0.6
E
0.6
ESE
Period(s) (?)888888888888888888888888
Wave
Graph
(?)Metric surfscale
Energy kJ (?)646668686851515151515180505063636363464949494953
Wind
(km/h)
5
NNE
5
N
5
N
5
NNW
5
NE
5
NE
5
ENE
5
NNE
5
N
5
N
0
WNW
5
WSW
5
ESE
10
ESE
0
S
0
ENE
5
ESE
5
E
5
SE
5
SE
10
ESE
10
SE
5
SSW
10
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassglasscrossglassglasscross-
on		glassglasscrossglassglassglassglasscross-
on		glassglassglassglassglassglasscross-
on		cross-
on		cross-
off		cross-
off
High Tide
/ height (m)
6:08AM
0.68
8:49PM
0.50
6:13AM
0.61
11:25PM
0.57
5:28AM
0.56
Low Tide
/ height (m)
11:19PM
0.37
1:40PM
0.26
11:59PM
0.48
2:20PM
0.24
2:55AM
0.56
3:08PM
0.22
Friday
09
Saturday
10
Sunday
11
Sunrise---7:09-------7:09-------7:09----
Sunset------6:05-------6:06-------6:06-
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
clear
part cloud
Rain (mm)
------------------------
Temp. °C232323232323242323232323242424242423232323242424
Feels °C (?)262626262525262525252625272527272725252525262626
  • 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

Latest Updates

The World’s Most Inconsistent Waves
Ben Mondy

The World’s Most Inconsistent Waves

Huntington, Dribbleton, Virginia, Holland and the Superbank! We recently had a look at the world’s most consistent waves. This was based on the combination of swells and wind directed at 7,000 surf spots, as compiled from our data since 2006. Those stats, represented in easy-to-read graphics, are located under each wave’s spot guides, with historical swell and wind breakdowns available by month, season, and year. There is also an offshore filter, which shows how often the swells come with clean

Read more

Read more

Discover more articles and updates in the Greenroom.

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

Nearest locationNearest
Nearest locationNearest
Nearest locationNearest