Castles surfForecast / Okinawa / Japan

information circle48hr Weather and Surf, issued 2 pm Friday 22 May 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
24.3° C
(Which is 1.4°C colder than average for this time of year)

How big are the waves at Castles today?

The current surf forecast for Castles at 9PM is: 0.9m 9s primary swell from a East-southeast direction and 0.1m 10s secondary swell from a East direction (forecast issued at 02:00pm May 22). An open ocean swell of 0.9m 5s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (22 May)--
Afternoon (22 May)3ft (0.9m)9s
Evening (22 May)3ft (0.9m)9s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 35mm), heaviest during Fri afternoon. Warm (max 27°C on Sat night, min 24°C on Fri afternoon). Winds decreasing (fresh winds from the WSW on Sat afternoon, calm by Sun night).

Fri
22
Saturday
23
Sunday
24
Mon
25
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
1
1
0
0
0
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.9
ESE
9
0.9
ESE
9
0.9
ESE
9
0.9
ESE
9
0.9
ESE
9
0.9
ESE
9
0.9
ESE
9
0.8
ESE
9
0.8
ESE
9
0.8
ESE
9
0.8
ESE
9
0.8
ESE
9
0.8
ESE
9
0.8
ESE
9
0.8
ESE
9
0.8
ESE
10
0.8
ESE
9
0.8
ESE
9
0.8
ESE
9
0.9
ESE
9
0.9
ESE
9
0.9
ESE
9
0.8
ESE
9
0.8
ESE
9
Wave Graph
Metric surfscale
Energy kJ
156
153
153
153
153
144
144
115
115
113
113
113
113
115
118
120
118
115
113
119
119
119
94
96
Wind (km/h)
15
SW
15
SW
25
SW
20
SSW
25
SSW
25
WSW
20
SW
15
SSW
25
SW
30
WSW
20
WSW
15
SSW
15
SSW
20
SW
15
WSW
15
WSW
15
WSW
20
WSW
5
WSW
0
S
10
SSE
15
S
15
S
10
S
cross
cross
cross
cross-on
cross
cross-off
cross
cross
cross
cross-off
cross-off
cross
cross-on
cross
cross-off
cross-off
cross-off
cross-off
glassy
glassy
on
cross-on
cross-on
cross-on
High Tide
10:21AM1.79m
00:33AM1.61m
11:37AM1.65m
1:37AM1.60m
1:14PM1.56m
2:33AM1.63m
Low Tide
5:31PM0.37m
5:55AM1.06m
6:37PM0.55m
7:21AM0.99m
7:48PM0.68m
8:41AM0.85m
thunderstorm
light rain
light rain
cloud
cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
light rain
light rain
light rain
cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
light rain
light rain
cloud
cloud
part cloud
part cloud
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:39
5:39
5:39
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:10
7:12
7:12
7:13
1
3
3
3
3
1
2
2
1
1
2
2
2
2
2
3
1
Temp °C
25
25
24
24
26
25
25
26
26
26
24
25
26
27
27
27
27
25
24
25
25
25
26
26
27
27
24
25
27
25
27
28
27
25
25
27
28
28
29
29
29
26
28
29
27
27
29
29
Swell 1
Height (m)
Direction
Period (s)
0.9
ESE
9
0.9
ESE
9
0.9
ESE
9
0.9
ESE
9
0.9
ESE
9
0.9
ESE
9
0.9
ESE
9
0.8
ESE
9
0.8
ESE
9
0.8
ESE
9
0.8
ESE
9
0.8
ESE
9
0.8
ESE
9
0.8
ESE
9
0.8
ESE
9
0.8
ESE
10
0.8
ESE
9
0.8
ESE
9
0.8
ESE
9
0.9
ESE
9
0.9
ESE
9
0.9
ESE
9
0.8
ESE
9
0.8
ESE
9
Energy kJ
156
153
153
153
153
144
144
115
115
113
113
113
113
115
118
120
118
115
113
119
119
119
94
96
Swell 2
Height (m)
Direction
Period (s)
0.1
E
10
0.1
E
10
0.1
E
10
0.1
E
10
0.1
E
10
0.2
SSE
5
0.1
N
6
0.1
N
6
0.2
NNW
8
0.2
NNW
8
0.2
NNW
7
0.8
W
6
0.6
W
6
0.2
NNW
7
0.2
NNW
7
0.1
N
7
0.1
NE
12
0.7
SW
5
0.6
W
7
0.5
SW
6
0.5
NE
10
0.6
NE
10
0.6
NE
10
Energy kJ
2
2
2
2
2
2
1
1
6
6
5
42
24
4
4
1
6
22
34
16
49
61
79
Swell 3
Height (m)
Direction
Period (s)
0.1
W
6
0.1
SW
6
0.1
NE
10
0.1
E
9
0.1
N
9
0.1
N
8
0.1
E
9
0.2
NNW
7
0.2
NNW
7
0.2
NNW
7
0.1
N
8
0.2
N
7
0.1
N
6
0.1
N
7
0.7
W
7
0.6
SW
6
0.5
W
7
0.5
SW
6
0.5
SW
6
0.5
SW
6
Energy kJ
1
2
4
2
2
1
2
5
5
5
1
4
1
1
43
23
23
17
17
18
Wind waves
Height (m)
Direction
Period (s)
0.7
SW
6
0.7
WSW
5
0.9
WSW
4
0.9
WSW
5
0.9
WSW
5
1.2
WSW
5
1.2
WSW
6
1.1
WSW
6
1.1
WSW
6
1.4
WSW
5
1.5
WSW
6
1.4
WSW
6
0.8
SSW
5
0.7
SSW
5
0.8
WSW
6
0.8
WSW
6
0.9
SW
6
0.9
WSW
6
Energy kJ
32
23
32
41
47
69
90
82
77
106
156
142
36
23
41
43
49
63
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
16
16
94
588
588
48
16
16
48
16
48
16
16
16
16
0
0
19
0
0
48
48
65
92
Best forecast wave conditions in Okinawa
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
Best forecast wave conditions in Japan
Rating
(10 max)
1
1
2
1
1
2
1
1
1
1
1
1
2
3
3
4
3
3
4
3
4
4
2
2
Header Global
Rating
(10 max)
5
7
7
7
6
7
6
5
5
6
7
8
7
6
5
5
5
5
5
5
5
5
5
5
  • 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.


Nearest locationNearest
Nearest locationNearest
Nearest locationNearest