Castles Beach 48 hour detailed Surf Forecast

Lat Long: 21.42° N 157.74° W

Issued: 1 pm 23 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 (23 Oct):

Morning surf: Morning surf (23 Oct, local time) - 3.5ft (1.1m), 8s period with NE swell.
Afternoon surf: Afternoon surf (23 Oct, local time) - 3.5ft (1.1m), 8s period with ENE swell.
Evening surf: Evening surf (23 Oct, local time) - 3.5ft (1.0m), 8s period with ENE swell.

The current surf forecast for Castles Beach at 6PM is: 0.8m 8s primary swell from a East-northeast direction and 0.5m 12s secondary swell from a Northeast direction, 0.7m 8s secondary swell from a Northeast direction (forecast issued at 01:00pm October 23). The wind direction is predicted to be cross-onshore.

Time (HST) & Date	Wave Height	Wave Period
Morning (23 Oct)	3.5ft (1.1m)	8s
Afternoon (23 Oct)	3.5ft (1.1m)	8s
Evening (23 Oct)	3.5ft (1.0m)	8s

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

	Short Range Forecast Mostly dry. Warm (max 25°C on Fri afternoon, min 23°C on Sat night). Wind will be generally light.
	Fri 23					Saturday 24								Sunday 25
	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
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	ENE 8	ENE 8	ENE 8	ENE 8	NE 8	NE 8	ENE 7	NE 10	NE 10	NE 10	NE 10	NNE 9	NNE 6	NNE 6	NE 9	ENE 8	ENE 8	ENE 8	NE 8	SSW 16	SSW 16
Wave Graph
kJ	158	145	81	120	84	73	76	117	139	113	90	127	67	74	50	62	45	44	53	86	86
Wind (km/h)	NE	NE	NE	NE	NE	NE	NE	NE	NE	NNE	NNE	NE	NE	NNE	NNE	NE	NE	NNE	NNE	NE	NE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	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	cross-on	cross-on	cross-on	cross-on	cross	cross-on	cross-on	cross-on
High Tide		12:26PM0.68m				1:33AM0.75m				12:52PM0.65m					2:10AM0.83m			1:17PM0.61m
Low Tide				6:53PM0.12m				7:29AM0.32m				7:15PM0.07m					8:17AM0.33m			7:41PM0.02m


	—	—	—	—	—	—	6:30	—	—	—	—	—	—	—	6:30	—	—	—	—	—	—
	—	—	6:00	—	—	—	—	—	—	—	5:59	—	—	—	—	—	—	—	5:59	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	25	25	25	25	25	24	24	24	24	25	25	24	24	24	23	23	24	24	24	24	23
Feels °C	25	25	25	25	25	24	25	25	24	25	25	23	23	24	22	23	24	23	23	24	23
Swell 1 Height (m) Direction Period (s)	ENE 8	ENE 8	ENE 8	ENE 8	E 8	NE 8	ENE 7	NE 10	NE 10	NE 10	NNW 13	NNW 13	NNW 12	NNW 12	N 11	N 11	NNW 11	NNW 11	NNW 11	NNW 11	NNW 11
kJ	158	145	81	120	54	73	76	117	139	113	249	339	367	437	713	599	478	430	400	337	337
Swell 2 Height (m) Direction Period (s)	NE 13	NE 12	NE 12	NE 12	NE 11	E 7	NE 8	E 8	E 8	NNW 14	NE 10	E 7	NE 9	E 7	NE 9	NE 9	ENE 8	ENE 8	E 7	E 7	E 7
kJ	83	72	68	65	58	26	50	28	61	149	90	39	51	25	50	37	45	44	25	25	25
Swell 3 Height (m) Direction Period (s)	NW 11	NW 11	NW 11	NW 11	NW 11	NE 11	NE 10	NW 10	NNW 15	E 8	E 7	NW 10	E 7	NE 9	E 7	E 7	E 7	E 7	NE 8	SSW 16	SSW 16
kJ	43	43	42	41	40	56	53	37	72	40	54	24	27	51	26	25	25	16	23	86	86
Wind waves Height (m) Direction Period (s)	—	NE 8	NE 8	—	NE 8	ENE 4	NE 4	NE 4	—	E 7	NE 4	NNE 9	NNE 6	NNE 6	—	ENE 8	NE 4	—	NE 8	—	—
kJ	—	57	59	—	84	11	18	16	—	70	15	127	67	74	—	62	13	—	53	—	—
Nearest Offshore or Glassy	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	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	2	1	1	1	2	2	2	1	2	2	2	2	2	2	2	2	2
Distance (km)	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18
Best forecast wave conditions in Oahu	Makaha (Outside)	Lahilahi Point	Pokai Bay	Ranches	Abalolo Reef	Ranches	Waimea Bay/Pinballs	Waimea Bay/Pinballs	Makaha (Outside)	Tennis Courts	Abalolo Reef	Abalolo Reef	Kaena Point	Abalolo Reef	Abalolo Reef	Ranches	Waimea Bay/Pinballs	Tennis Courts	Abalolo Reef	Ranches	Pipeline
Rating (10 max)	2	1	2	1	2	1	2	2	2	2	2	2	3	2	2	3	3	2	2	3	4
Best forecast wave conditions in United States	Fullers CAL - Monterey	Super Tubes CAL - Ventura	Mouse Rock CAL - San Luis Obispo	Ghost Tree CAL - Monterey	Ghost Tree CAL - Monterey	Mouse Rock CAL - San Luis Obispo	Cortez Bank CAL - San Diego County	Cortez Bank CAL - San Diego County	Cortez Bank CAL - San Diego County	Tennis Courts HAW - Oahu	Boners CAL - San Luis Obispo	Boners CAL - San Luis Obispo	Lincoln City Nelscott Reef Oregon North	Mouse Rock CAL - San Luis Obispo	Waiaha Rivermouth / Honls HAW - Big Island	Ranches HAW - Oahu	Waimea Bay/Pinballs HAW - Oahu	Tennis Courts HAW - Oahu	Lincoln City Nelscott Reef Oregon North	Ranches HAW - Oahu	Pipeline HAW - Oahu
Rating (10 max)	4	2	4	4	4	3	4	3	4	2	3	3	3	2	3	3	3	2	4	3	4
Header Global	Trial Harbour Australia	Benkunqut Indonesia	Deba Spain	Deba Spain	Trial Harbour Australia	Benkunqut Indonesia	Outside Corner Indonesia	Outside Corner Indonesia	Nyang-Nyang Indonesia	Bali Village Indonesia	El Huerto Spain	El Huerto Spain	Deba Spain	Ahijedero Mexico	Benkunqut Indonesia	La Nora Spain	Belharra France	Easky Left Ireland	Deba Spain	Deba Spain	North Shore Breakers Bermuda
Rating (10 max)	7	5	5	5	5	5	5	5	5	4	5	5	5	4	4	5	5	6	5	5	5

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 (23 Oct):

Short Range Forecast

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