Castles surfForecast / Okinawa / Japan

information circle48hr Weather and Surf, issued 2 am Wednesday 22 Apr 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
24.2° C
(Which is normal for this time of year)

How big are the waves at Castles today?

The current surf forecast for Castles at 10AM is: 1.0m 11s primary swell from a East direction and 0.3m 3s secondary swell from a South-southeast direction (forecast issued at 02:00am April 22). An open ocean swell of 0.4m 6s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (22 Apr)3.5ft (1.0m)11s
Afternoon (22 Apr)3ft (0.9m)11s
Evening (22 Apr)2.5ft (0.8m)10s

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


Updates in  hr  min  s Forecast update imminent
Wednesday
22
Thursday
23
Friday
24
0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
0
0
1
1
0
Swell
Height Map
Wave Height (m) & direction (?)
1.1
E
1.1
E
1.1
E
1
E
0.9
ENE
0.9
ENE
0.9
ENE
0.8
ENE
0.8
ENE
0.8
ENE
0.7
ENE
0.7
ENE
0.7
ENE
0.7
ENE
0.6
ENE
0.6
ENE
0.6
ENE
0.6
ENE
0.6
ENE
0.5
ENE
0.5
ENE
0.5
E
0.4
ENE
0.4
ENE
Period(s) (?)111111111111101010101010101010101010101010101010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)31930729724219419118413913613610410410610680828383835959523333
Wind
(km/h)
15
ESE
15
SSE
20
SSE
20
S
20
S
20
SSW
20
SW
20
SSW
25
SSW
25
SSW
30
SSW
35
SSW
35
SW
25
NW
20
NW
20
NNW
10
NNW
15
NNW
15
N
15
N
15
N
10
N
15
NNE
15
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
oncross-
on
cross-
on
cross-
on
cross-
on
crosscrosscrosscrosscrosscrosscrossoffoffoffcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
10:29PM
1.64
9:24AM
1.87
11:37PM
1.50
10:13AM
1.73
1:07AM
1.42
11:27AM
1.58
Low Tide
/ height (m)
3:44AM
0.94
4:39PM
0.15
4:34AM
1.06
5:44PM
0.32
5:51AM
1.13
7:07PM
0.46
Wednesday
22
Thursday
23
Friday
24
Sunrise---6:00------5:58-------5:58-----
Sunset------6:54-------6:55-------6:55-
part cloud
clear
clear
cloud
clear
clear
part cloud
clear
part cloud
cloud
part cloud
cloud
thunderstorm
light rain
rain showers
part cloud
part cloud
cloud
cloud
light rain
light rain
light rain
cloud
cloud
Rain (mm)
------------253----141--
Temp. °C232323232323232323232324252222222121212020202121
Feels °C (?)232121212121222222222122232221212221212020202120
  • 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

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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