Castles Beach surf break

Castles Beach surfForecast / HAW – Oahu / USA

information circle48hr Weather and Surf, issued 1 am Tuesday 10 Feb 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
24.5° 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 5AM is: 4.0m 9s primary swell from a East-northeast direction (forecast issued at 01:00am February 10). An open ocean swell of 0.8m 11s is not directed at the surf break, a second open ocean swell of 0.4m 13s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (HST) & DateWave HeightWave Period
Morning (10 Feb)11ft (3.5m)9s
Afternoon (10 Feb)11ft (3.5m)9s
Evening (10 Feb)10ft (3.0m)9s

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

Updates in  hr  min  s Forecast update imminent
Tuesday
10
Wednesday
11
Thursday
12
11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM
Rating
(10 max)
0
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 (?)
4
ENE
4
ENE
4
ENE
3.5
ENE
3.5
ENE
3.5
ENE
3
ENE
3
ENE
3
ENE
3
ENE
3
ENE
3
ENE
3
ENE
2.5
ENE
2.5
ENE
2.4
ENE
2.5
ENE
2.5
E
2.5
E
2.4
ENE
2.3
E
2.3
E
2.2
ENE
2.3
ENE
Period(s) (?)999999998888888988888888
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2632276225852008181917161524139714171390128211801162985851803893947878748719701599639
Wind
(km/h)
50
ENE
50
ENE
45
E
45
ENE
45
ENE
40
ENE
45
ENE
45
ENE
45
ENE
45
ENE
45
ENE
40
E
40
E
35
E
40
E
40
ENE
40
ENE
35
E
35
E
35
E
40
E
30
ENE
35
E
35
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
ononononononononononononononononononononononon
High Tide
/ height (m)
11:59PM
0.63
12:36AM
0.69
1:04AM
0.74
Low Tide
/ height (m)
2:38PM
0.23
4:17PM
0.21
5:24PM
0.16
Tuesday
10
Wednesday
11
Thursday
12
Sunrise---7:03-------7:03-------7:03----
Sunset------6:25-------6:25-------6:27-
light rain
light rain
light rain
cloud
cloud
cloud
thunderstorm
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
Rain (mm)
111---1-----------------
Temp. °C222222222223232222222323232323222323232323232323
Feels °C (?)161616171719181615151618181818161818181918191818
  • 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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