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 8 pm Thursday 16 Oct 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 29.4° C
(Which is 2.4°C warmer than normal for this time of year)

How big are the waves at Castles today?

The current surf forecast for Castles at 11PM is: 0.8m 6s primary swell from a East-southeast direction and 0.4m 9s secondary swell from a East direction, 0.4m 9s secondary swell from a Northeast direction (forecast issued at 08:00pm October 16). The wind direction is predicted to be cross-onshore.

Time (JST) & Date	Wave Height	Wave Period
Morning (16 Oct)	-	-
Afternoon (16 Oct)	-	-
Evening (16 Oct)	2.5ft (0.8m)	6s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Thu 16		Friday 17								Saturday 18								Sunday 19
	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	0 AM	3 AM	6 AM	9 AM	12 PM	3 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	E	E	E	E	E	E	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE
Period(s) (?)	6	6	6	6	6	6	6	6	6	6	6	7	7	7	7	8	8	8	8	8	8	8	8	8
Wave Graph (?)
kJ (?)	35	48	48	51	66	80	62	64	69	73	82	117	172	172	181	220	249	277	333	359	359	350	392	336
Wind (km/h)	ENE	ENE	E	ENE	ENE	ENE	ENE	E	E	E	E	E	ENE	E	E	E	ENE	ENE	ENE	ENE	ENE	E	E	ESE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross	cross- on	cross- on	cross	cross	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 / height (m)	4:24PM 1.66				3:47AM 1.69				4:58PM 1.75				4:51AM 1.80				5:26PM 1.84				5:39AM 1.90
Low Tide / height (m)			9:59PM 1.08				10:22AM 0.61				10:49PM 0.86				11:08AM 0.60				11:28PM 0.65				11:45AM 0.60

	Thu 16		Friday 17								Saturday 18								Sunday 19
Sunrise	-	-	-	-	-	6:28	-	-	-	-	-	-	-	6:28	-	-	-	-	-	-	-	6:28	-	-
Sunset	6:00	-	-	-	-	-	-	-	6:00	-	-	-	-	-	-	5:59	-	-	-	-	-	-	-	5:58

Rain (mm)	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	1	-	-	1	1	3
Temp. °C	28	28	28	28	27	28	28	28	28	28	28	28	27	28	28	28	28	28	28	27	28	28	28	27
Feels °C (?)	30	29	30	30	28	28	28	29	29	29	29	30	29	29	29	29	29	29	29	27	28	28	28	28

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 The wind is still cross-on at Castles (light winds from the ESE at Naha Airport 11 km from Castles). 0.7m 6s windswell from the ESE with a 0.4m 9s swell from the ENE. 2 swells combining to make bigger set waves.
1 hour 39 minutes ago Castles

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1 h 39 min ago

11 km/h

ESE

Cross-On

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