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 Tuesday 16 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 29.9° C
(Which is 1.6°C warmer than normal for this time of year)

How big are the waves at Castles today?

The current surf forecast for Castles at 8AM is: 0.9m 7s primary swell from a East-southeast direction and 0.3m 10s secondary swell from a East direction, 0.2m 9s secondary swell from a East-southeast direction (forecast issued at 02:00am September 16). The wind direction is predicted to be onshore.

Time (JST) & Date	Wave Height	Wave Period
Morning (16 Sep)	3ft (0.9m)	7s
Afternoon (16 Sep)	3ft (0.9m)	7s
Evening (16 Sep)	3ft (0.9m)	7s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Tuesday 16								Wednesday 17								Thursday 18
	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)	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 (?)	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	SE	SE	SE	SE	SE	SE	E	E	E	SE	SE	E	E	ESE	ESE
Period(s) (?)	8	8	8	7	7	7	7	7	7	7	6	6	6	6	6	9	9	9	6	6	9	9	7	7
Wave Graph (?)
Energy (?)	95	120	127	135	112	109	117	115	127	118	118	108	87	84	101	128	112	111	132	101	88	89	95	100
Wind (km/h)	ESE	ESE	ESE	ESE	ESE	ESE	E	ESE	SE	SE	SE	SE	SE	SE	E	E	ESE	SE	SE	ESE	E	E	E	ESE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- on	cross- on	cross- on	on	on	cross- on	cross- on	cross- on	on	on	on	on	on	on	cross- on	cross- on	on	on	on	cross- on	cross- on	cross- on	cross- on	cross- on
High Tide / height (m)	11:58PM 1.80						4:14PM 1.57			1:58AM 1.73					5:09PM 1.68				3:48AM 1.80				5:43PM 1.79
Low Tide / height (m)				8:11AM 0.64				8:25PM 1.42					9:46AM 0.59				10:11PM 1.27				10:51AM 0.51

	Tuesday 16								Wednesday 17								Thursday 18
Sunrise	-	-	-	6:13	-	-	-	-	-	-	-	6:15	-	-	-	-	-	-	-	6:15	-	-	-	-
Sunset	-	-	-	-	-	-	6:32	-	-	-	-	-	-	-	6:31	-	-	-	-	-	-	-	6:30	-

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

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 Continuing clean conditions at Castles (light winds from the E at Naha Airport 11 km from Castles). 0.8m 7s swell from the ESE with a 0.2m 14s groundswell from the E. 2 swells combining to make bigger set waves.
1 hour 6 minutes ago Castles

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1 h 6 min ago

7 km/h

Clean

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