Castles surfForecast / Okinawa / Japan

information circle48hr Weather and Surf, issued 8 am Tuesday 16 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
24.9° C
(Which is slightly warmer than usual)


How big are the waves at Castles today?

The current surf forecast for Castles at 2PM is: 0.9m 9s primary swell from a East direction (forecast issued at 08:00am December 16). An open ocean swell of 0.5m 7s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (16 Dec)2.5ft (0.8m)10s
Afternoon (16 Dec)3ft (0.9m)9s
Evening (16 Dec)3ft (0.9m)9s

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

Updates in  hr  min  s Forecast update imminent
Tuesday
16
Wednesday
17
Thursday
18
Fri
19
6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
1
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.7
E
0.8
E
0.9
E
0.9
E
0.9
E
0.9
E
0.9
E
0.8
E
0.8
E
0.8
ESE
0.8
ESE
0.8
ESE
0.8
ESE
0.7
ESE
0.7
ESE
0.7
ESE
0.7
ESE
0.7
ESE
0.7
ESE
0.7
ESE
0.7
ESE
0.5
E
0.6
ESE
0.8
ESE
Period(s) (?)10109999101010999999999889988
Wave
Graph
(?)Metric surfscale
Energy kJ (?)961161401371391421451171151131101081068282828077757577414469
Wind
(km/h)
15
NE
15
ENE
15
E
15
E
10
E
10
ENE
10
ENE
15
ENE
15
ENE
15
ENE
15
E
15
ESE
10
E
5
NE
10
NNE
15
NNE
15
NE
15
NNE
15
NE
20
NE
20
NE
20
NE
20
NE
20
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscrosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscross-
off
cross-
off
crosscross-
off
crosscrosscrosscrosscrosscross
High Tide
/ height (m)
5:04AM
1.45
4:07PM
1.70
5:53AM
1.51
4:44PM
1.76
6:34AM
1.57
5:21PM
1.81
Low Tide
/ height (m)
10:13AM
0.93
11:07PM
0.30
10:59AM
0.94
11:46PM
0.18
11:40AM
0.94
12:23AM
0.08
Tuesday
16
Wednesday
17
Thursday
18
Fri
19
Sunrise-7:07-------7:09-------7:09------
Sunset---5:39-------5:39-------5:39----
clear
part cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
clear
clear
clear
clear
cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
Rain (mm)
------------------------
Temp. °C202020202121212020202020212121202020202021212020
Feels °C (?)171717171919191818181818202020181819181718181617
  • 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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