Castles Beach 48 hour detailed Surf Forecast

Lat Long: 21.42° N 157.74° W

Issued: 1 am 28 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 (28 Oct):

Morning surf: Morning surf (28 Oct, local time) - 1.5ft (0.5m), 15s period with S swell.
Afternoon surf: Afternoon surf (28 Oct, local time) - 3.5ft (1.0m), 10s period with NNE swell.
Evening surf: Evening surf (28 Oct, local time) - 3.5ft (1.0m), 12s period with NNE swell.

The current surf forecast for Castles Beach at 6AM is: 0.5m 15s primary swell from a South direction and 0.5m 4s secondary swell from a Northeast direction (forecast issued at 01:00am October 28). An open ocean swell of 1.0m 9s is not directed at the surf break, a second open ocean swell of 0.9m 13s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (HST) & Date	Wave Height	Wave Period
Morning (28 Oct)	1.5ft (0.5m)	15s
Afternoon (28 Oct)	3.5ft (1.0m)	10s
Evening (28 Oct)	3.5ft (1.0m)	12s

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

	Short Range Forecast Heavy rain (total 27mm), heaviest during Wed afternoon. Warm (max 25°C on Thu afternoon, min 22°C on Wed morning). Wind will be generally light.
	Wednesday 28								Thursday 29								Friday 30
	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	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	0
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	S 15	S 15	S 15	NNE 10	NNE 10	NNE 12	NNE 12	NNE 12	NNE 11	NNE 11	NNE 11	NNE 11	NNE 11	NNE 11	NNE 11	NNE 10	NNE 10	NNE 10	NNE 10	NNE 10	NNE 10	NNE 10	NNE 9	NNE 9
Wave Graph
kJ	121	112	110	245	201	361	303	288	263	115	239	226	218	214	275	298	245	346	240	235	231	188	207	172
Wind (km/h)	NE	NE	ENE	ENE	ENE	ENE	ENE	ENE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE	ENE	ENE	ENE
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-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on
High Tide		4:20AM0.90m				2:27PM0.49m					5:13AM0.87m			2:35PM0.46m					6:16AM0.83m
Low Tide					11:01AM0.42m			9:18PM0.01m					12:29PM0.44m			9:56PM0.05m								10:41PM0.12m


	—	6:31	—	—	—	—	—	—	—	6:31	—	—	—	—	—	—	—	6:33	—	—	—	—	—	—
	—	—	—	—	—	5:57	—	—	—	—	—	—	—	5:55	—	—	—	—	—	—	—	5:55	—	—
mm	8	6	3	6	12	2	1	1	1	—	—	—	—	—	—	—	1	—	—	—	—	—	—	—
Temp °C	23	23	23	22	23	23	24	24	24	24	24	24	25	25	25	25	24	24	24	24	25	25	25	24
Feels °C	25	24	24	23	24	24	24	23	24	24	24	24	26	25	25	25	24	23	23	24	25	25	24	24
Swell 1 Height (m) Direction Period (s)	N 9	N 9	N 9	NNE 10	NNE 10	NNE 12	NNE 12	NNE 12	NNE 11	NNE 9	NNE 11	NNE 11	NNE 11	NNE 11	NNE 11	NNE 10	NNE 10	NNE 10	NNE 10	NNE 10	NNE 10	NNE 10	NNE 9	NNE 9
kJ	165	130	217	245	201	361	303	288	263	92	239	226	218	214	275	298	245	346	240	235	231	188	207	172
Swell 2 Height (m) Direction Period (s)	NW 13	NW 13	NW 13	NW 12	NW 12	NW 12	NW 12	NW 12	NW 12	NNE 11	NW 11	S 16	S 16	S 16	S 16	S 16	S 14	S 14	S 14	S 14	S 14	S 14	S 14	S 14
kJ	286	245	199	181	116	114	114	114	114	115	61	183	178	178	176	174	140	142	146	146	146	100	142	89
Swell 3 Height (m) Direction Period (s)	S 15	S 15	S 15	S 15	SSW 14	SSW 14	SSW 14	S 18	SSW 13	NW 12	S 17	NW 11	NW 11	NW 11	NW 11	NW 11	NW 11	E 13	E 13	E 13	E 13	E 13	E 13	E 13
kJ	121	112	110	109	70	68	63	96	60	67	87	59	58	42	30	30	29	31	54	53	51	51	51	51
Wind waves Height (m) Direction Period (s)	NE 3	NE 3	NE 4	ENE 5	ENE 5	ENE 5	ENE 5	ENE 5	ENE 5	E 5	ENE 6	ENE 5	ENE 5	ENE 5	ENE 6	E 6	ENE 6	E 6	NE 5	ENE 5	ENE 5	ENE 5	ENE 5	ENE 5
kJ	4	4	17	30	33	42	42	56	72	59	65	59	69	83	87	50	74	39	67	94	90	71	64	75
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	Ala Moana Courts HAW - Oahu	Ala Moana Courts HAW - Oahu	Ala Moana Courts HAW - Oahu
Rating (10 max)	2	2	2	2	2	2	2	2	2	2	2	3	3	3	3	3	3	3	3	3	3	3	3	2
Distance (km)	18	18	18	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	Ranches	Ranches	Ranches	Off the Wall/Insanities	Off the Wall/Insanities	Ranches	Ranches	Barber's Point - Coast Guard Jetty	Barber's Point - Coast Guard Jetty	Abalolo Reef	Abalolo Reef	Makaha (Outside)	Makaha (Outside)	Makaha (Outside)	Abalolo Reef	Abalolo Reef	Abalolo Reef	Abalolo Reef	Abalolo Reef	Makaha (Outside)	Makaha (Outside)	Makaha (Outside)	Makaha (Outside)	Makaha (Outside)
Rating (10 max)	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3
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	Cojo CAL - Santa Barbara	Cojo CAL - Santa Barbara	Mouse Rock CAL - San Luis Obispo	Ghost Tree CAL - Monterey	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Turtles Washington	Lincoln City Nelscott Reef Oregon North	Mavericks CAL - San Mateo	Mouse Rock CAL - San Luis Obispo	Magics HAW - Big Island	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Magics HAW - Big Island	Kahuku Ranch HAW - Big Island	Cojo CAL - Santa Barbara	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo
Rating (10 max)	3	3	3	3	3	3	4	3	3	3	3	4	3	3	3	3	3	3	3	3	3	3	3	3
Header Global	Dunedin - Bobs Beach New Zealand	Dunedin - Bobs Beach New Zealand	Tahai Chile	Tahai Chile	Tahai Chile	Afife Portugal	Blackfellows Australia	Ahijedero Mexico	Easter Reef Australia	Dunedin - Cob Cottage New Zealand	Shipstern Bluff Australia	Easter Reef Australia	Easter Reef Australia	Tahai Chile	Lebu Chile	Buchupureo Chile	Barrancon Chile	Dunedin - Cob Cottage New Zealand	Dunedin - Bobs Beach New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Shipwreck Bay-Supertubes New Zealand	Ouano Lefts New Caledonia
Rating (10 max)	5	5	6	6	6	4	5	4	5	5	9	5	5	5	5	5	4	7	8	6	5	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 (28 Oct):

Short Range Forecast

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