Castles Beach 48 hour detailed Surf Forecast

Lat Long: 21.42° N 157.74° W

Issued: 7 am 22 Oct 2026 (local time)

Forecast update in hr min

Today's Castles Beach sea temperature is

26.7°C

Castles Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Surf Forecasts:

How big are the waves at Castles Beach today (22 Oct):

Morning surf: Morning surf (22 Oct, local time) - 4.5ft (1.4m), 8s period with ENE swell.
Afternoon surf: Afternoon surf (22 Oct, local time) - 4.5ft (1.3m), 8s period with ENE swell.
Evening surf: Evening surf (22 Oct, local time) - 4ft (1.2m), 8s period with ENE swell.

The current surf forecast for Castles Beach at 10AM is: 1.3m 8s primary swell from a East-northeast direction (forecast issued at 07:00am October 22). An open ocean swell of 0.3m 11s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (HST) & Date	Wave Height	Wave Period
Morning (22 Oct)	4.5ft (1.4m)	8s
Afternoon (22 Oct)	4.5ft (1.3m)	8s
Evening (22 Oct)	4ft (1.2m)	8s

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

	Short Range Forecast Light rain (total 5mm), mostly falling on Thu morning. Warm (max 25°C on Thu morning, min 23°C on Sat night). Wind will be generally light.
	Thursday 22							Friday 23								Saturday 24
	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	11 AM	2 PM	5 PM	8 PM	11 PM
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
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	ENE 8	ENE 8	ENE 8	ENE 8	ENE 8	ENE 8	ENE 8	ENE 8	ENE 8	ENE 8	ENE 8	ENE 8	ENE 8	NE 8	NE 8	ENE 8	ENE 7	NE 10	NE 10	NE 10	NE 10	NE 9	NE 9
Wave Graph
kJ	244	214	186	176	176	186	142	176	154	158	170	145	145	113	71	107	104	192	136	94	88	67	65
Wind (km/h)	E	E	ENE	ENE	ENE	ENE	ENE	E	ENE	ENE	ENE	NE	NE	NE	NE	NE	NE	NE	NE	NNE	NNE	NNE	NE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	on	on	on	cross-on	cross-on	on	on	on	on	on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on
High Tide				12:01PM0.70m				00:58AM0.66m				12:26PM0.68m				1:33AM0.75m				12:52PM0.65m
Low Tide		5:51AM0.31m				6:35PM0.18m				6:41AM0.31m				6:53PM0.12m				7:29AM0.32m				7:15PM0.07m


	6:28	—	—	—	—	—	—	—	6:28	—	—	—	—	—	—	—	6:30	—	—	—	—	—	—
	—	—	—	—	6:00	—	—	—	—	—	—	—	6:00	—	—	—	—	—	—	—	5:59	—	—
mm	—	1	1	1	1	1	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	24	24	25	25	25	25	25	25	24	25	25	25	25	24	24	24	24	24	24	24	24	24	24
Feels °C	24	25	26	26	25	24	25	26	25	26	25	26	25	24	24	25	25	24	25	25	24	24	24
Swell 1 Height (m) Direction Period (s)	ENE 8	ENE 8	ENE 8	E 13	NW 11	NW 12	E 8	ENE 8	ENE 8	ENE 8	ENE 8	ENE 8	ENE 8	ENE 8	NE 8	NE 8	NE 8	NE 10	NE 10	E 8	NNW 13	NNW 13	NNW 12
kJ	244	214	186	31	31	50	29	154	154	158	170	145	81	77	71	73	75	192	136	55	253	339	393
Swell 2 Height (m) Direction Period (s)	NW 12	NW 11	NW 11	NW 11	E 14	E 14	NW 12	ESE 8	NW 12	NE 13	NE 13	NE 12	NNE 8	NNE 8	E 8	E 7	E 7	E 8	E 7	NE 10	NE 10	E 7	NE 9
kJ	22	20	19	19	32	35	37	19	49	84	83	72	39	39	55	38	38	28	39	94	88	40	65
Swell 3 Height (m) Direction Period (s)	N 8	N 8	N 8	N 8	N 8	NE 14	NE 14	NW 12	NE 13	NW 11	NW 11	NW 11	NE 12	NE 12	NE 11	NE 11	NE 10	NW 10	NNW 15	NNW 14	E 7	NE 9	E 7
kJ	12	6	5	5	5	7	33	50	62	45	43	43	68	65	58	56	53	37	72	149	39	67	39
Wind waves Height (m) Direction Period (s)	—	—	—	ENE 8	ENE 8	ENE 8	ENE 8	ENE 8	ESE 7	ESE 7	—	ENE 8	ENE 8	NE 8	NE 4	ENE 8	ENE 7	ENE 8	ENE 4	—	ENE 8	—	ENE 7
kJ	—	—	—	176	176	186	142	176	55	42	—	87	145	113	8	107	104	99	9	—	58	—	57
Nearest Offshore or Glassy	Ko Olina Resort HAW - Oahu	Ala Moana Courts HAW - Oahu	Ala Moana Courts HAW - Oahu	Ala Moana Courts HAW - Oahu	Ala Moana Courts HAW - Oahu	Ala Moana Courts HAW - Oahu	Ala Moana Courts HAW - Oahu	Ala Moana Courts HAW - Oahu	Barber's Point - Coast Guard Jetty HAW - Oahu	Ala Moana Courts HAW - Oahu	Ala Moana Courts HAW - Oahu	Ala Moana Courts HAW - Oahu	Ala Moana Courts HAW - Oahu	Ala Moana Courts HAW - Oahu	Ala Moana Courts HAW - Oahu	Ala Moana Courts HAW - Oahu	Ala Moana Courts HAW - Oahu	Ala Moana Courts HAW - Oahu	Ala Moana Courts HAW - Oahu	Ala Moana Courts HAW - Oahu	Ala Moana Courts HAW - Oahu	Ala Moana Courts HAW - Oahu	Ala Moana Courts HAW - Oahu
Rating (10 max)	1	1	1	1	1	1	1	1	1	2	1	1	1	1	1	2	1	1	1	1	2	2	2
Distance (km)	41	18	18	18	18	18	18	18	40	18	18	18	18	18	18	18	18	18	18	18	18	18	18
Best forecast wave conditions in Oahu	Ranches	Ranches	Tennis Courts	Tennis Courts	Tennis Courts	Tennis Courts	Tennis Courts	Jockos Point	Jockos Point	Pipeline	Waimea Bay/Pinballs	Ranches	Waimea Bay/Pinballs	Ranches	Kaena Point	Kaena Point	Abalolo Reef	Waimea Bay/Pinballs	Tennis Courts	Tennis Courts	Makaha (Outside)	Tennis Courts	Abalolo Reef
Rating (10 max)	1	1	2	2	2	2	2	2	2	2	2	1	2	1	2	2	2	2	2	2	2	2	2
Best forecast wave conditions in United States	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Ghost Tree CAL - Monterey	Hilo Breakwall HAW - Big Island	Boners CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Super Tubes CAL - Ventura	The Wedge CAL - Orange County	Super Tubes CAL - Ventura	Super Tubes CAL - Ventura	Ghost Tree CAL - Monterey	Super Tubes CAL - Ventura	The Wedge CAL - Orange County	Ghost Tree CAL - Monterey	Ghost Tree CAL - Monterey	Ghost Tree CAL - Monterey	Cortez Bank CAL - San Diego County	Cortez Bank CAL - San Diego County	Cortez Bank CAL - San Diego County	Tennis Courts HAW - Oahu	Ghost Tree CAL - Monterey
Rating (10 max)	3	3	3	3	2	3	3	3	2	2	2	2	4	2	2	4	4	4	4	4	4	2	3
Header Global	Easter Reef Australia	Benkunqut Indonesia	Benkunqut Indonesia	Benkunqut Indonesia	Benkunqut Indonesia	Benkunqut Indonesia	Benkunqut Indonesia	Cavalos de Fao Portugal	Playa de Navia Spain	Benkunqut Indonesia	Benkunqut Indonesia	Bali Village Indonesia	Deba Spain	Deba Spain	Papatowai New Zealand	Deba Spain	The Bombie Indonesia	Purakaunui Bay New Zealand	Niyodo Rivermouth Japan	Purakaunui Bay New Zealand	Papatowai New Zealand	Rio Nexpa Mexico	Afife Portugal
Rating (10 max)	5	5	5	6	6	6	5	6	8	5	5	5	9	7	7	5	5	5	5	5	5	5	4

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

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Castles Beach 48 hour detailed Surf Forecast

How big are the waves at Castles Beach today (22 Oct):

Short Range Forecast

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