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Surf Forecasts:

Castles surfForecast / Okinawa / Japan

information circle48hr Weather and Surf, issued 2 pm Wednesday 21 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
22.7° C
 (Which is normal for this time of year)

How big are the waves at Castles today?

The current surf forecast for Castles at 7PM is: 0.8m 9s primary swell from a East-southeast direction and 0.3m 13s secondary swell from a Northeast direction (forecast issued at 02:00pm January 21). An open ocean swell of 2.5m 10s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (21 Jan)--
Afternoon (21 Jan)2.5ft (0.8m)9s
Evening (21 Jan)2.5ft (0.8m)9s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Wednesday
21
Thursday
22
Friday
23
Saturday
24
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
1
2
2
0
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.9
ESE
0.8
ESE
0.8
ESE
0.8
ESE
2.5
N
2.4
N
2.3
N
1.1
NE
1.3
NE
1.3
NE
1.7
N
1.7
N
0.6
E
0.9
ENE
0.9
ENE
0.9
ENE
0.6
E
0.6
E
0.6
E
0.6
E
0.9
E
0.8
E
0.8
E
0.7
E
Period(s) (?)999910101077799107771010101010101010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)141115118118140311241024140149162476455688383816769696915812212292
Wind
(km/h)
40
N
40
N
45
N
45
N
40
N
35
NNE
35
NNE
30
N
25
NNE
25
NNE
25
NNE
25
NNE
25
NNE
20
NNE
20
NNE
20
NE
20
NE
15
NNE
20
NE
20
NE
15
NE
15
NE
15
NNE
20
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
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		crosscrosscross-
off		crosscrosscrosscrosscross-
off		cross-
off
High Tide
/ height (m)
8:24PM
1.90
9:23AM
1.73
9:06PM
1.85
9:51AM
1.72
9:50PM
1.75
Low Tide
/ height (m)
2:35PM
0.56
3:02AM
0.01
3:12PM
0.49
3:37AM
0.14
3:52PM
0.43
4:12AM
0.30
Wednesday
21
Thursday
22
Friday
23
Saturday
24
Sunrise-------7:16-------7:16-------7:16
Sunset--6:02-------6:04-------6:04-----
part cloud
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
light rain
part cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
cloud
part cloud
Rain (mm)
--------1---------------
Temp. °C151414131313131313131414141413131415151415151414
Feels °C (?)7554455677888989101110101112109
  • 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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