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Surf Forecasts:

Castles surfForecast / Okinawa / Japan

information circle48hr Weather and Surf, issued 2 pm Saturday 17 Jan 2026 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
22.6° C
 (Which is normal for this time of year)

How big are the waves at Castles today?

The current surf forecast for Castles at 9PM is: 1.3m 9s primary swell from a East-southeast direction and 0.1m 15s secondary swell from a East direction (forecast issued at 02:00pm January 17). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (17 Jan)--
Afternoon (17 Jan)3.5ft (1.1m)8s
Evening (17 Jan)4.5ft (1.3m)9s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Saturday
17
Sunday
18
Monday
19
Tuesday
20
12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM
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
1
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.1
ESE
1.1
ESE
1.2
ESE
1.3
ESE
1.5
ESE
1.5
ESE
1.5
ESE
1.5
ESE
1.5
ESE
1.5
ESE
1.6
ESE
1.6
ESE
1.6
ESE
1.6
ESE
1.6
E
1.6
E
1.6
E
1.5
E
1.5
E
1.5
E
1.4
ESE
1.4
E
1.4
E
1.3
E
Period(s) (?)989998888888888899999999
Wave
Graph
(?)Metric surfscale
Energy kJ (?)168160238270315300280273266266318326333333367375384339339347297290290257
Wind
(km/h)
20
E
20
ENE
25
E
25
E
25
E
25
E
20
E
20
E
20
E
20
E
20
E
20
ENE
20
ENE
20
ENE
25
NE
20
ENE
20
ENE
20
ENE
20
ENE
20
NE
20
ENE
20
NE
20
NNE
20
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
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		crosscross-
on		cross-
on		cross-
on		crosscrosscrosscrosscross-
off		cross-
off
High Tide
/ height (m)
5:38PM
1.76
7:27AM
1.62
6:21PM
1.83
7:57AM
1.68
7:03PM
1.89
8:26AM
1.72
Low Tide
/ height (m)
12:02PM
0.91
12:40AM
-0.02
12:44PM
0.82
1:17AM
-0.08
1:22PM
0.73
1:53AM
-0.10
Saturday
17
Sunday
18
Monday
19
Tuesday
20
Sunrise-------7:16-------7:16-------7:16
Sunset--6:00-------6:00-------6:00-----
part cloud
part cloud
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
clear
clear
part cloud
part cloud
clear
cloud
cloud
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C202020202019192020202020202020202020201919191918
Feels °C (?)171716161615161717171818181818181818181617171716
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Castles surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Castles at:
surf-forecast.com

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