Castles Surf Forecast

/ Okinawa (32 surf breaks) /

Japan (129 surf breaks) / Lat Long: (26.07° N 127.68° E)

Surf Forecasts:

Castles surfForecast / Okinawa / Japan

48hr Weather and Surf, issued 2 am Wednesday 03 Sep 2025 JST

Forecast update in hr min s Forecast update imminent

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

Today's Castles sea temperature is 29.5° C
(Which is slightly warmer than usual)

How big are the waves at Castles today?

The current surf forecast for Castles at 7AM is: 0.7m 9s primary swell from a East direction and 0.5m 8s secondary swell from a Southeast direction (forecast issued at 02:00am September 03). An open ocean swell of 0.3m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (JST) & Date	Wave Height	Wave Period
Morning (03 Sep)	3ft (0.9m)	8s
Afternoon (03 Sep)	3.5ft (1.0m)	8s
Evening (03 Sep)	4ft (1.2m)	9s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Wednesday 03								Thursday 04								Friday 05
	0 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	0 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	0 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM
Rating (10 max)	1	0	0	0	0	0	0	1	2	2	2	2	2	2	2	1	1	0	0	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	E	ESE	E	ESE	ESE	ESE	ESE	E	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	SE	E	E	E	E	E	ESE	ESE
Period(s) (?)	9	9	9	8	8	8	9	9	8	8	10	10	9	9	9	8	8	9	9	9	9	9	8	8
Wave Graph (?)
Energy (?)	107	99	112	112	111	137	165	231	221	216	365	360	256	251	223	194	183	148	133	123	90	116	113	114
Wind (km/h)	NNE	NNE	NNE	NNE	N	N	N	N	NNW	NNW	NNW	NNW	NW	WNW	WNW	NW	S	S	SSE	SSE	SSE	SE	ESE	ESE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	off	cross- off	off	off	cross- off	off	glass	glass	cross- on	on	on	cross- on	on	cross- on	on
High Tide / height (m)		1:31AM 1.74					5:06PM 1.61				3:18AM 1.80				5:37PM 1.75				4:33AM 1.94					6:07PM 1.89
Low Tide / height (m)					9:37AM 0.68				9:47PM 1.34				10:39AM 0.54				10:52PM 1.17				11:28AM 0.40

	Wednesday 03								Thursday 04								Friday 05
Sunrise	-	-	-	6:09	-	-	-	-	-	-	-	6:09	-	-	-	-	-	-	-	6:09	-	-	-	-
Sunset	-	-	-	-	-	-	6:46	-	-	-	-	-	-	-	6:45	-	-	-	-	-	-	-	6:45	-

Rain (mm)	1	2	-	-	-	1	-	-	1	2	-	-	-	-	2	-	-	-	-	-	-	-	-	-
Temp. °C	28	28	28	28	30	30	29	28	28	28	28	29	29	30	29	29	29	28	28	29	29	29	29	29
Feels °C (?)	31	31	31	31	33	32	31	31	31	31	32	33	33	34	34	35	34	33	33	34	33	33	33	32

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

Recent Eyeball Surf Reports for Okinawa

Wind Update Still cross-shore at Castles (light winds from the NE at Naha Airport 11 km from Castles). 0.6m 8s swell from the ESE with a 0.5m 4s local chop from the NE and a 0.3m 9s swell from the SSE. 3 swells combining to make bigger set waves.
1 hour 58 minutes ago Castles

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1 h 58 min ago

11 km/h

Cross-Shore

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