Castles surfForecast / Okinawa / Japan

information circle48hr Weather and Surf, issued 2 am Sunday 15 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
21.7° C
(Which is slightly cooler than normal)

How big are the waves at Castles today?

The current surf forecast for Castles at 7AM is: 3.0m 16s primary swell from a East-northeast direction (forecast issued at 02:00am March 15). An open ocean swell of 0.5m 8s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (JST) & DateWave HeightWave Period
Morning (15 Mar)10ft (3.0m)16s
Afternoon (15 Mar)8ft (2.5m)15s
Evening (15 Mar)8ft (2.5m)15s

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


Updates in  hr  min  s Forecast update imminent
Sunday
15
Monday
16
Tuesday
17
0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM
Rating
(10 max)
2
3
3
4
5
4
3
4
3
3
4
4
4
4
4
4
4
3
3
3
4
4
4
4
Swell
Height Map
Wave Height (m) & direction (?)
2.5
ENE
2.2
ENE
3
ENE
3
ENE
3
ENE
2.5
ENE
2.5
ENE
2.5
ENE
2.5
ENE
2.5
ENE
2.4
ENE
2.3
ENE
1.8
ENE
2.1
ENE
1.3
ENE
2.1
ENE
2.1
ENE
2.1
ENE
2.1
ENE
2
ENE
2
ENE
2
ENE
1.9
ENE
1.8
ENE
Period(s) (?)151416161515151514141313131417171616161616161515
Wave
Graph
(?)Metric surfscale
Energy kJ (?)30371969402239683622333132873157262321621979190511031541995250521072107210718991875187516421374
Wind
(km/h)
25
NE
20
NE
20
NE
15
NNE
15
NNE
15
NE
20
NE
20
NNE
15
NNE
15
NNE
15
NNE
10
NNE
5
NNE
10
NNW
15
N
15
NNE
10
NNE
5
NE
5
NE
5
ENE
0
ESE
5
W
5
N
5
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscrosscross-
off
cross-
off
crosscrosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscrosscrossglassglassglassglass
High Tide
/ height (m)
5:18AM
1.44
4:16PM
1.58
5:44AM
1.57
5:12PM
1.74
6:12AM
1.70
6:00PM
1.89
Low Tide
/ height (m)
10:18PM
0.37
10:36AM
0.90
11:07PM
0.25
11:21AM
0.70
11:48PM
0.15
12:00PM
0.49
Sunday
15
Monday
16
Tuesday
17
Sunrise---6:39-------6:37-------6:37----
Sunset------6:37-------6:37-------6:37-
clear
clear
clear
clear
clear
clear
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
Rain (mm)
------------------------
Temp. °C161616171818191818171717181818181717171819191919
Feels °C (?)111213141515161515141515171615161516161719181819
  • 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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