Castles Beach Surf Forecast

/ HAW – Oahu (122 breaks) / Hawaii (267 breaks) /

USA (1297 breaks) / Lat Long: (21.42° N 157.74° W)

Surf Forecasts:

Castles Beach surfForecast / HAW – Oahu / USA

48hr Weather and Surf, issued 1 pm Monday 10 Nov 2025 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 26.4° 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 5PM is: 3.5m 13s primary swell from a Northeast direction and 0.3m 14s secondary swell from a South direction, 0.2m 18s secondary swell from a South direction (forecast issued at 01:00pm November 10). The wind direction is predicted to be cross-onshore.

Time (HST) & Date	Wave Height	Wave Period
Morning (10 Nov)	10ft (3.0m)	14s
Afternoon (10 Nov)	11ft (3.5m)	14s
Evening (10 Nov)	11ft (3.5m)	13s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Monday 10					Tuesday 11								Wednesday 12								Thursday 13
	11 AM	2 PM	5 PM	8 PM	11 PM	2 AM	5 AM	8 AM	11 AM	2 PM	5 PM	8 PM	11 PM	2 AM	5 AM	8 AM	11 AM	2 PM	5 PM	8 PM	11 PM	2 AM	5 AM	8 AM
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 See all maps
Wave Height (m) & direction (?)	NE	NE	NE	NE	NNE	NNE	NNE	NNE	NNE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE
Period(s) (?)	14	14	13	13	13	13	13	13	13	13	12	12	9	9	9	9	9	10	10	10	10	10	10	9
Wave Graph (?)
kJ (?)	3413	3895	4119	3874	2245	2053	2021	2084	1876	2419	2436	2281	1225	1282	1277	1366	1642	1872	1908	1954	2007	1985	1835	1499
Wind (km/h)	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	NE	ENE	NE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- on	cross- on	cross- on	cross- on	cross- on	on	cross- on	on	on	cross- on	cross- on	cross- on	cross- on	on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on
High Tide / height (m)									8:14AM 0.76				8:19PM 0.33				9:16AM 0.72				10:57PM 0.42
Low Tide / height (m)						11:14PM 0.20						5:25PM 0.32		12:33AM 0.30						5:16PM 0.28			2:49AM 0.37

	Monday 10					Tuesday 11								Wednesday 12								Thursday 13
Sunrise	-	-	-	-	-	-	-	6:39	-	-	-	-	-	-	-	6:39	-	-	-	-	-	-	-	6:39
Sunset	-	-	5:50	-	-	-	-	-	-	-	5:50	-	-	-	-	-	-	-	5:50	-	-	-	-	-

Rain (mm)	-	1	1	-	-	-	1	-	-	-	-	-	1	-	-	-	-	-	-	-	-	-	-	1
Temp. °C	25	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24
Feels °C (?)	21	20	18	18	19	21	19	19	18	19	19	19	19	19	19	19	19	19	19	19	19	18	19	19

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

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.