Castles Beach surf break

Castles Beach surfForecast / HAW – Oahu / USA

information circle48hr Weather and Surf, issued 7 pm Sunday 01 Mar 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
24.2° C
(Which is normal for this time of year)

How big are the waves at Castles Beach today?

The current surf forecast for Castles Beach at 1AM is: 0.9m 10s primary swell from a Northeast direction and 0.7m 6s secondary swell from a East direction (forecast issued at 07:00pm March 01). An open ocean swell of 0.6m 14s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (HST) & DateWave HeightWave Period
Morning (02 Mar)2.5ft (0.7m)10s
Afternoon (02 Mar)2ft (0.6m)10s
Evening (02 Mar)3.5ft (1.0m)5s

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


Updates in  hr  min  s Forecast update imminent
Sunday
01
Monday
02
Tuesday
03
Wednesday
04
5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM
Rating
(10 max)
1
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
Wave Height (m) & direction (?)
1
NE
1
NE
1
NE
0.9
NE
0.9
NE
0.7
NE
0.7
NE
0.6
NNE
0.6
NNE
1
E
1.2
E
1.3
E
1.6
E
1.6
E
1.6
E
1.8
E
1.6
E
1.5
E
1.5
E
1.7
E
2.1
E
2.1
E
2
E
2
E
Period(s) (?)11101010101010109556666677677777
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2202162081511451009863594880108181188194269220193187248413449419434
Wind
(km/h)
5
E
10
ENE
15
E
15
E
15
E
10
E
20
ENE
20
ENE
20
E
25
ENE
30
ENE
30
ENE
35
ENE
30
E
30
ENE
25
E
25
E
30
ENE
35
E
35
E
35
E
35
E
35
E
25
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on
ononononcross-
on
cross-
on
onononononononononononononononon
High Tide
/ height (m)
2:24AM
0.86
2:10PM
0.59
2:48AM
0.83
2:49PM
0.64
3:08AM
0.78
Low Tide
/ height (m)
7:27PM
0.09
8:51AM
0.25
8:07PM
0.12
9:09AM
0.22
8:44PM
0.17
9:27AM
0.19
Sunday
01
Monday
02
Tuesday
03
Wednesday
04
Sunrise-----6:50-------6:50-------6:48--
Sunset6:35-------6:35-------6:35-------
cloud
thunderstorm
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
thunderstorm
part cloud
part cloud
part cloud
cloud
clear
part cloud
clear
part cloud
rain showers
part cloud
part cloud
part cloud
clear
part cloud
Rain (mm)
-1-------1--------1-----
Temp. °C232323232323232324232323222222232323232322222323
Feels °C (?)252424242425232325222221191919212220202018182021
  • 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

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.


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