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Surf Forecasts:

Castles Beach surf break

Castles Beach surfForecast / HAW – Oahu / USA

information circle48hr Weather and Surf, issued 1 am Thursday 15 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 5AM is: 0.5m 8s primary swell from a East direction (forecast issued at 01:00am January 15). An open ocean swell of 1.7m 12s is not directed at the surf break, a second open ocean swell of 2.3m 12s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (HST) & DateWave HeightWave Period
Morning (15 Jan)1.5ft (0.5m)8s
Afternoon (15 Jan)1.5ft (0.4m)8s
Evening (15 Jan)1.5ft (0.4m)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
Thursday
15
Friday
16
Saturday
17
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)
0
1
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 (?)
0.5
E
0.8
SSW
0.5
E
0.5
E
0.4
E
0.4
ESE
0.4
ESE
0.4
ESE
0.4
ESE
0.4
ESE
0.4
ESE
1.3
NE
0.4
ESE
1.4
ENE
0.4
ESE
1.3
ENE
1.3
ENE
1.3
ENE
1.3
ENE
1.1
ENE
1.3
ENE
1.3
ENE
1.4
ENE
1.6
E
Period(s) (?)868888888886868666656666
Wave
Graph
(?)Metric surfscale
Energy kJ (?)3538353522232322222422101201191910095959569106117135193
Wind
(km/h)
30
SW
15
W
25
NW
25
NW
35
NNW
35
NNW
35
N
35
N
35
NNE
35
NNE
35
NE
35
NE
35
ENE
30
ENE
30
ENE
30
ENE
30
ENE
30
NE
35
NE
35
ENE
35
ENE
30
ENE
35
ENE
35
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		offcross-
off		cross-
off		cross-
off		cross-
off		crosscrosscrosscross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		onononon
High Tide
/ height (m)
1:50AM
0.81
11:32AM
0.42
2:18AM
0.85
12:27PM
0.43
2:47AM
0.87
1:10PM
0.45
Low Tide
/ height (m)
9:17AM
0.40
6:24PM
0.08
9:24AM
0.39
7:02PM
0.05
9:39AM
0.37
7:37PM
0.03
Thursday
15
Friday
16
Saturday
17
Sunrise---7:11-------7:11-------7:11----
Sunset------6:08-------6:09-------6:09-
part cloud
thunderstorm
light rain
cloud
clear
clear
clear
clear
clear
clear
clear
cloud
clear
part cloud
clear
clear
clear
clear
cloud
part cloud
cloud
clear
part cloud
cloud
Rain (mm)
-33---------------------
Temp. °C242322222322212020202019202121222221212122222222
Feels °C (?)212320181815151313131312141515171715151516161715
  • 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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