Castles surfForecast / Okinawa / Japan

information circle48hr Weather and Surf, issued 2 pm Friday 12 Dec 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
24.8° C
(Which is slightly warmer than usual)


How big are the waves at Castles today?

The current surf forecast for Castles at 6PM is: 2.0m 8s primary swell from a East-northeast direction and 0.1m 13s secondary swell from a East direction (forecast issued at 02:00pm December 12). An open ocean swell of 0.7m 8s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (JST) & DateWave HeightWave Period
Morning (12 Dec)--
Afternoon (12 Dec)7ft (2.1m)7s
Evening (12 Dec)6ft (1.9m)8s

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

Updates in  hr  min  s Forecast update imminent
Friday
12
Saturday
13
Sunday
14
Monday
15
12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM
Rating
(10 max)
0
0
0
0
0
1
2
2
2
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.9
ENE
2.1
ENE
2
ENE
1.9
ENE
1.6
E
1.5
E
1.5
E
1.2
E
1.3
E
0.8
ESE
1
E
0.9
ESE
1.1
E
0.7
NE
0.7
NE
0.9
ENE
0.9
ENE
0.7
ENE
0.4
ENE
0.6
E
0.7
ENE
0.6
E
0.6
E
0.6
E
Period(s) (?)678888888978109999912911111112
Wave
Graph
(?)Metric surfscale
Energy kJ (?)307408464406310298284163203991081042358381149119805259121889498
Wind
(km/h)
35
NE
35
NE
30
NE
25
NE
20
NE
15
NNE
15
NNE
15
N
10
N
20
NNW
20
NNW
30
NNW
30
NNW
40
NNW
40
NNW
45
N
35
N
35
N
35
N
30
N
25
NNE
30
NNE
30
NNE
25
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscrosscrosscrosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
1:12PM
1.55
1:17AM
1.41
2:01PM
1.56
2:46AM
1.37
2:46PM
1.59
4:04AM
1.39
Low Tide
/ height (m)
7:19PM
0.81
7:25AM
0.72
8:32PM
0.71
8:25AM
0.83
9:33PM
0.57
Friday
12
Saturday
13
Sunday
14
Monday
15
Sunrise-------7:05-------7:07-------7:07
Sunset-5:37-------5:38-------5:38------
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
cloud
clear
clear
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
clear
clear
clear
clear
part cloud
clear
clear
Rain (mm)
------------------------
Temp. °C222121222121212122222221202018171717171717171717
Feels °C (?)17161719202121212321201815141199991011111111
  • 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

Latest Updates

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.


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