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Surf Forecasts:

Castles surfForecast / Okinawa / Japan

information circle48hr Weather and Surf, issued 2 pm Sunday 18 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 6PM is: 1.4m 8s primary swell from a East-southeast direction and 0.2m 10s secondary swell from a South direction (forecast issued at 02:00pm January 18). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (18 Jan)--
Afternoon (18 Jan)4.5ft (1.3m)8s
Evening (18 Jan)5ft (1.5m)8s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Sunday
18
Monday
19
Tuesday
20
Wednesday
21
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
1
2
2
2
2
1
0
1
0
1
2
1
2
2
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.3
ESE
1.3
ESE
1.4
ESE
1.5
ESE
1.5
ESE
1.5
ESE
1.5
ESE
1.5
ESE
1.5
ESE
1.5
ESE
1.5
ESE
1.5
ESE
1.4
ESE
1.4
ESE
1.8
N
2.3
N
2.5
N
2.5
N
2.3
N
2.3
N
2.2
N
2.1
N
0.9
ESE
0.9
ESE
Period(s) (?)88888889999999998101010101099
Wave
Graph
(?)Metric surfscale
Energy kJ (?)227221250293293300300307322329329322275304509823750115310241045938865144141
Wind
(km/h)
20
ESE
15
ESE
15
ENE
20
ENE
20
ENE
20
ENE
15
E
10
E
10
ENE
5
NE
10
NNE
15
NNE
15
N
20
N
40
NNE
45
NNE
45
NNE
40
N
35
N
35
N
35
N
35
N
35
N
35
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on		cross-
on		cross-
on		crosscross-
on		cross-
on		cross-
on		crosscross-
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)
6:21PM
1.83
7:57AM
1.68
7:03PM
1.89
8:26AM
1.72
7:44PM
1.91
8:55AM
1.73
Low Tide
/ height (m)
12:44PM
0.82
1:17AM
-0.08
1:22PM
0.73
1:53AM
-0.10
1:58PM
0.64
2:28AM
-0.07
Sunday
18
Monday
19
Tuesday
20
Wednesday
21
Sunrise-------7:16-------7:16-------7:16
Sunset--6:00-------6:00-------6:01-----
cloud
part cloud
clear
part cloud
part cloud
light rain
light rain
part cloud
cloud
part cloud
clear
clear
clear
clear
rain showers
cloud
part cloud
cloud
part cloud
cloud
part cloud
cloud
cloud
cloud
Rain (mm)
-----11-------1---------
Temp. °C212121202020202020212020191918171716161616151515
Feels °C (?)1920201919192020202220201817129991099877
  • 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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