Castles surfForecast / Okinawa / Japan

information circle48hr Weather and Surf, issued 8 am Tuesday 13 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
22.9° C
(Which is normal for this time of year)


How big are the waves at Castles today?

The current surf forecast for Castles at 3PM is: 0.2m 9s primary swell from a East direction and 0.1m 10s secondary swell from a Southeast direction (forecast issued at 08:00am January 13). An open ocean swell of 0.5m 7s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (JST) & DateWave HeightWave Period
Morning (13 Jan)0.5ft (0.2m)9s
Afternoon (13 Jan)0.5ft (0.2m)9s
Evening (13 Jan)0.5ft (0.2m)8s

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

Updates in  hr  min  s Forecast update imminent
Tuesday
13
Wednesday
14
Thursday
15
Fri
16
6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.2
E
0.2
E
0.2
E
0.2
E
0.2
E
0.2
E
0.2
E
0.2
ESE
0.3
ESE
0.3
ESE
0.3
ESE
0.3
ESE
0.9
E
1.1
E
1.2
E
1.2
E
1.2
ESE
1.2
ESE
1.1
ESE
1
ESE
1
ESE
0.9
ESE
0.9
ESE
1
ESE
Period(s) (?)1099999988999455666777778
Wave
Graph
(?)Metric surfscale
Energy kJ (?)77776666141616162752779110412711499998694113
Wind
(km/h)
15
WSW
15
W
20
WNW
20
NNW
20
NNW
20
N
20
NNE
15
NNE
15
NE
15
NE
20
ENE
20
E
20
E
25
E
25
ESE
25
ESE
20
SE
20
SE
15
SSE
5
ESE
10
E
15
E
15
E
10
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
offcross-
off
cross-
off
cross-
off
cross-
off
crosscrosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
ononononglasscross-
on
cross-
on
cross-
on
cross-
on
High Tide
/ height (m)
3:25AM
1.20
2:05PM
1.55
4:49AM
1.26
3:03PM
1.57
5:44AM
1.35
3:59PM
1.62
Low Tide
/ height (m)
7:53AM
0.99
9:40PM
0.43
9:08AM
1.05
10:35PM
0.32
10:19AM
1.04
11:21PM
0.20
Tuesday
13
Wednesday
14
Thursday
15
Fri
16
Sunrise-7:18-------7:18-------7:18------
Sunset---5:57-------5:58-------5:58----
cloud
cloud
part cloud
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
clear
clear
cloud
cloud
cloud
clear
part cloud
clear
clear
Rain (mm)
---1--------------------
Temp. °C181819191918181716161818191919191919191919192020
Feels °C (?)151516151513141413131413141313141516171817171819
  • 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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