Castles surfForecast / Okinawa / Japan

information circle48hr Weather and Surf, issued 8 am Sunday 29 Mar 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
22.2° C
(Which is slightly cooler than normal)

How big are the waves at Castles today?

The current surf forecast for Castles at 11AM is: 0.8m 10s primary swell from a East-northeast direction and 0.4m 8s secondary swell from a East-southeast direction, 0.4m 3s secondary swell from a Southeast direction (forecast issued at 08:00am March 29). The wind direction is predicted to be onshore.

Time (JST) & DateWave HeightWave Period
Morning (29 Mar)2.5ft (0.8m)10s
Afternoon (29 Mar)2.5ft (0.8m)11s
Evening (29 Mar)2.5ft (0.8m)11s

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


Updates in  hr  min  s Forecast update imminent
Sunday
29
Monday
30
Tuesday
31
Wed
01
6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.8
ENE
0.8
ENE
0.8
ENE
0.8
ENE
0.8
ENE
0.8
ENE
0.8
ENE
0.8
ENE
0.8
ENE
0.7
ENE
0.7
ENE
0.7
ENE
0.7
ENE
1.4
SSW
1.4
SSW
1.4
SSW
1.4
SSW
1.4
SSW
1.3
SSW
1.3
SW
1.2
SW
1.1
SW
0.4
ENE
1.1
SW
Period(s) (?)10101011111110101111111112666666666115
Wave
Graph
(?)Metric surfscale
Energy kJ (?)13513814114314314313813812810310511111911513514013512711210192724467
Wind
(km/h)
15
ESE
20
SE
20
SE
25
SSE
30
SSE
30
S
30
SSE
30
S
30
S
30
S
30
S
30
S
30
S
30
S
30
S
25
SSW
30
SSW
30
SSW
30
SW
20
WSW
10
W
5
WSW
15
SSW
25
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
onononcross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscrosscrosscross-
off
cross-
off
cross-
off
cross-
on
cross-
on
High Tide
/ height (m)
5:10AM
1.52
4:33PM
1.67
5:41AM
1.63
5:29PM
1.81
6:09AM
1.74
6:15PM
1.91
Low Tide
/ height (m)
10:39AM
0.82
11:11PM
0.27
11:25AM
0.59
11:52PM
0.24
12:04PM
0.38
12:29AM
0.24
Sunday
29
Monday
30
Tuesday
31
Wed
01
Sunrise-6:24-------6:22-------6:22------
Sunset----6:44-------6:44-------6:45---
clear
clear
part cloud
clear
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
clear
clear
part cloud
part cloud
part cloud
clear
thunderstorm
thunderstorm
clear
part cloud
clear
thunderstorm
Rain (mm)
------------------12---1
Temp. °C202021212121212121222223232222222223232222222222
Feels °C (?)181818181818181818191920212019202021212123242321
  • 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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