Castles Beach 48 hour detailed Surf Forecast

Lat Long: 21.42° N 157.74° W

Issued: 1 am 26 Jul 2026 (local time)

Forecast update in hr min

Today's Castles Beach sea temperature is

26.6° 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 (26 Jul):

Morning surf: Morning surf (26 Jul, local time) - 6ft (1.9m), 8s period with ENE swell.
Afternoon surf: Afternoon surf (26 Jul, local time) - 6ft (1.9m), 8s period with ENE swell.
Evening surf: Evening surf (26 Jul, local time) - 3.5ft (1.1m), 15s period with E swell.

The current surf forecast for Castles Beach at 8AM is: 1.8m 8s primary swell from a Northeast direction and 0.6m 15s secondary swell from a East direction, 0.4m 17s secondary swell from a South-southwest direction (forecast issued at 01:00am July 26). The wind direction is predicted to be cross-onshore.

Time (HST) & Date	Wave Height	Wave Period
Morning (26 Jul)	6ft (1.9m)	8s
Afternoon (26 Jul)	6ft (1.9m)	8s
Evening (26 Jul)	3.5ft (1.1m)	15s

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

	Short Range Forecast Light rain (total 7mm), mostly falling on Mon night. Warm (max 26°C on Tue afternoon, min 24°C on Sun night). Mainly fresh winds.
	Sunday 26								Monday 27								Tuesday 28
	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	1	1	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	ENE 8	ENE 8	NE 8	ENE 8	ENE 8	E 15	E 15	E 15	E 15	E 14	E 14	E 14	E 14	E 13	E 14	E 13	E 13	E 13	E 13	E 13	E 13	E 13	E 13	E 12
Wave Graph
kJ	477	414	378	403	393	418	513	610	602	585	668	640	622	690	865	792	1391	1237	1256	1370	1497	1793	1939	2079
Wind (km/h)	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	NE	NE	NE	NE	NE	NE	NE	NNE	NE	NNE	NNE	NNE	NNE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-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	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on
High Tide	11:19PM0.41m					2:05PM0.83m			00:19AM0.43m					2:32PM0.85m			1:04AM0.45m					2:58PM0.86m
Low Tide			6:10AM0.11m					9:11PM0.38m			6:50AM0.08m					9:23PM0.37m			7:26AM0.06m					9:40PM0.35m


	—	6:01	—	—	—	—	—	—	—	6:01	—	—	—	—	—	—	—	6:01	—	—	—	—	—	—
	—	—	—	—	—	7:12	—	—	—	—	—	—	—	7:12	—	—	—	—	—	—	—	7:12	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1	1	1	1	1	1	1	—	—	—
Temp °C	25	24	25	25	25	25	25	24	24	24	25	25	25	25	25	25	25	25	25	25	26	26	25	25
Feels °C	23	22	22	22	22	22	22	22	22	22	23	24	24	24	24	25	26	26	26	26	27	27	25	25
Swell 1 Height (m) Direction Period (s)	SSW 18	E 15	E 15	E 15	E 15	E 15	E 15	E 15	E 15	E 14	E 14	E 14	E 14	E 13	E 14	E 13	E 13	E 13	E 13	E 13	E 13	E 13	E 13	E 12
kJ	103	106	150	275	348	418	513	610	602	585	668	640	622	690	865	792	1391	1237	1256	1370	1497	1793	1939	2079
Swell 2 Height (m) Direction Period (s)	E 15	SSW 18	SSW 17	SSW 16	SSW 16	SSW 16	SSW 16	SSW 16	SSW 16	SSW 16	SSW 15	SSW 15	SSW 15	SSW 15	SSW 14	SSW 14	S 14	S 14	S 14	S 14	S 14	S 14	S 13	S 14
kJ	72	103	100	90	86	85	85	84	83	80	75	73	42	42	70	41	37	35	33	32	32	32	31	34
Swell 3 Height (m) Direction Period (s)	E 12	E 12	E 12	S 10	S 10	S 11	S 10	S 10	SE 11	S 10	S 10	S 11	S 11	S 11	S 10	S 10	SE 11	—	S 10	S 10	S 10	—	S 16	S 16
kJ	47	46	44	9	9	9	2	2	5	8	8	2	2	2	8	2	4	—	8	7	7	—	20	21
Wind waves Height (m) Direction Period (s)	ENE 8	ENE 8	NE 8	ENE 8	ENE 8	ENE 7	ENE 7	ENE 7	ENE 7	ENE 7	NE 7	NE 7	NE 7	NE 7	NE 7	NE 7	NNE 6	NNE 7	NNE 7	NNE 9	NNE 9	NNE 9	NNE 7	NNE 6
kJ	477	414	378	403	393	382	382	320	320	311	330	301	281	295	292	365	149	175	142	249	249	244	183	119
Nearest Offshore or Glassy	Ko Olina Resort HAW - Oahu	Ala Moana Courts HAW - Oahu	Ko Olina Resort HAW - Oahu	Nanakuli Blackrocks HAW - Oahu	Pokai Bay HAW - Oahu	Lahilahi Point HAW - Oahu	Nanakuli Blackrocks HAW - Oahu	Ko Olina Resort HAW - Oahu	Ko Olina Resort HAW - Oahu	Ko Olina Resort HAW - Oahu	Ko Olina Resort HAW - Oahu	Ko Olina Resort HAW - Oahu	Ko Olina Resort HAW - Oahu	Ko Olina Resort HAW - Oahu	Ko Olina Resort HAW - Oahu	Keaulanas HAW - Oahu	Ala Moana Courts HAW - Oahu	Ala Moana Courts HAW - Oahu	Ala Moana Courts HAW - Oahu	Queens HAW - Oahu	Point Panic HAW - Oahu	Keaulanas HAW - Oahu	Ala Moana Courts HAW - Oahu	Ala Moana Courts HAW - Oahu
Rating (10 max)	3	3	2	3	2	2	2	2	2	2	2	2	2	2	2	2	4	4	4	4	4	1	1	2
Distance (km)	41	18	41	41	47	49	41	41	41	41	41	41	41	41	41	42	18	18	18	18	19	42	18	18
Best forecast wave conditions in Oahu	Kaena Point	Kaena Point	Kaena Point	Makaha (Outside)	Makaha (Outside)	Makaha (Outside)	Yokohama Bay	Kaena Point	Kaena Point	Kaena Point	Kaena Point	Kaena Point	Lahilahi Point	Pokai Bay	Lahilahi Point	Makaha (Outside)	Point Panic	Barber's Point - Coast Guard Jetty	Barber's Point - Coast Guard Jetty	Barber's Point - Coast Guard Jetty	Point Panic	Tracks (Nanakuli)	Publics	Publics
Rating (10 max)	3	3	3	3	2	2	2	2	2	2	2	2	2	2	2	2	4	4	4	4	4	1	4	4
Best forecast wave conditions in United States	Boners CAL - San Luis Obispo	Boners CAL - San Luis Obispo	Magics HAW - Big Island	Magics HAW - Big Island	El Capitan CAL - Santa Barbara	Magics HAW - Big Island	Swamis CAL - San Diego County	Boners CAL - San Luis Obispo	Boners CAL - San Luis Obispo	Boners CAL - San Luis Obispo	Fullers CAL - Monterey	Westport-The Cove Washington	Kaalualu Point HAW - Big Island	Cape Sebastian Oregon South	Boners CAL - San Luis Obispo	Boners CAL - San Luis Obispo	Boners CAL - San Luis Obispo	Boners CAL - San Luis Obispo	Apua Point HAW - Big Island	Pakalas HAW - Kaua'i	Pakalas HAW - Kaua'i	Apua Point HAW - Big Island	Boners CAL - San Luis Obispo	Boners CAL - San Luis Obispo
Rating (10 max)	4	4	3	3	3	3	3	4	4	4	3	3	4	4	4	4	4	4	4	4	4	4	4	4
Header Global	Ahijedero Mexico	Ahijedero Mexico	Anawhata Road (Oaonui) New Zealand	Saint Leu Reunion	Saint Leu Reunion	Saint Leu Reunion	Chameau Mauritius	Chameau Mauritius	Brak River South Africa	Chameau Mauritius	Chameau Mauritius	Cobblestones Australia	Cobblestones Australia	Gerickes Point South Africa	Cape St Martin South Africa	Cape St Martin South Africa	Cape St Martin South Africa	Chameau Mauritius	Trial Harbour Australia	Chameau Mauritius	Cobblestones Australia	Gas Bay Australia	Point Roadnight Australia	Ahijedero Mexico
Rating (10 max)	4	4	4	5	5	6	5	5	5	5	5	5	5	6	5	5	5	5	9	5	5	5	9	4

Map Icons:
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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 (26 Jul):

Short Range Forecast

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