Castles surfForecast / Okinawa / Japan

information circle48hr Weather and Surf, issued 8 pm Saturday 02 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
23.6° C
(Which is 1.3°C colder than average for this time of year)

How big are the waves at Castles today?

The current surf forecast for Castles at 4AM is: 0.7m 10s primary swell from a East-southeast direction and 0.2m 6s secondary swell from a North direction, 0.7m 4s secondary swell from a South-southeast direction (forecast issued at 08:00pm May 02). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (03 May)2.5ft (0.7m)10s
Afternoon (03 May)2.5ft (0.7m)9s
Evening (03 May)2.5ft (0.7m)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 28mm), heaviest during Mon morning. Warm (max 25°C on Sun afternoon, min 15°C on Mon night). Mainly fresh winds.

Sat
2
Sunday
3
Monday
4
Tuesday
5
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
12 PM
3 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
0.8
ESE
9
0.8
ESE
9
0.8
ESE
10
0.7
ESE
10
0.7
ESE
10
0.7
ESE
10
0.7
ESE
10
0.7
ESE
9
0.7
ESE
9
0.7
ESE
9
0.7
ESE
9
0.7
ESE
9
0.7
ESE
9
0.7
ESE
9
0.8
ESE
9
0.7
ESE
9
0.7
ESE
9
1.1
N
6
0.7
ESE
9
0.7
ESE
9
0.7
ESE
9
0.6
E
9
0.6
E
9
0.7
E
9
Wave Graph
Metric surfscale
Energy kJ
96
98
105
98
100
98
96
92
88
86
86
86
86
86
94
90
90
91
90
90
90
64
64
87
Wind (km/h)
20
SSE
20
SSE
25
SSE
20
S
25
S
25
S
30
S
25
SSW
25
SSW
20
SW
20
WSW
30
N
35
N
25
NNE
25
N
30
N
30
NNE
30
NE
25
NE
30
NE
30
NE
25
ENE
20
ENE
25
ENE
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross
cross
cross
cross
High Tide
7:57PM1.83m
7:14AM1.98m
8:32PM1.77m
7:39AM1.96m
9:06PM1.69m
8:04AM1.91m
Low Tide
1:29AM0.74m
1:59PM0.04m
1:58AM0.82m
2:32PM0.08m
2:25AM0.90m
clear
clear
clear
clear
part cloud
cloud
clear
clear
clear
part cloud
thunderstorm
light rain
light rain
light rain
light rain
cloud
cloud
light rain
light rain
light rain
light rain
light rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:50
5:50
5:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:00
7:00
7:01
7:01
1
1
1
5
1
2
2
3
2
1
1
3
Temp °C
21
22
22
22
23
24
24
25
25
24
24
20
19
18
20
20
16
16
16
15
16
16
17
17
19
20
20
21
23
24
23
25
26
25
25
17
15
15
17
14
11
11
12
10
12
12
14
14
Swell 1
Height (m)
Direction
Period (s)
0.8
ESE
9
0.8
ESE
9
0.8
ESE
10
0.7
ESE
10
0.7
ESE
10
0.7
ESE
10
0.7
ESE
10
0.7
ESE
9
0.7
ESE
9
0.7
ESE
9
0.7
ESE
9
0.8
W
6
0.7
ESE
9
0.7
ESE
9
0.8
ESE
9
0.7
ESE
9
0.7
ESE
9
0.7
ESE
9
0.7
ESE
9
0.7
ESE
9
0.7
ESE
9
0.6
E
9
0.6
E
9
0.7
E
9
Energy kJ
96
98
105
98
100
98
96
92
88
86
86
43
86
86
94
90
90
90
90
90
90
64
64
87
Swell 2
Height (m)
Direction
Period (s)
0.3
NNW
7
0.3
NNW
7
0.3
N
7
0.2
N
6
0.2
N
6
0.2
N
6
0.1
N
6
0.1
N
6
0.1
N
6
0.1
N
6
0.1
N
6
0.7
ESE
9
0.6
WSW
6
0.5
W
6
0.4
WNW
7
0.6
WNW
7
0.5
NW
6
0.3
W
7
0.7
NNW
6
0.6
NNW
6
0.6
NNW
7
0.6
NNW
7
0.5
NNW
7
0.4
NNW
7
Energy kJ
9
9
8
3
3
3
1
1
1
1
1
86
28
19
16
34
20
8
34
28
31
32
26
18
Swell 3
Height (m)
Direction
Period (s)
0.1
NE
9
0.1
NE
8
0.1
NE
8
0.1
NE
8
0.1
NE
8
0.1
E
8
0.1
N
6
0.6
SSE
5
0.4
SSE
5
0.3
SSE
5
0.3
WSW
6
0.2
WSW
6
0.4
W
7
0.1
SW
6
0.2
W
7
0.2
W
6
0.1
W
6
0.1
W
6
0.1
W
6
Energy kJ
3
3
3
3
2
1
1
17
7
5
7
3
17
1
4
3
1
1
1
Wind waves
Height (m)
Direction
Period (s)
0.4
SE
3
0.5
SE
3
0.6
SSE
4
0.7
SSE
4
0.7
SSE
4
0.9
SSE
4
1
S
4
1
S
5
1
S
5
0.9
SSW
5
1
SSW
5
0.7
WSW
6
1.1
NNW
5
1.3
N
6
1.2
N
6
1
N
5
1.2
NNE
5
1.1
N
6
0.8
NE
4
0.9
NE
4
0.8
ENE
4
0.9
ENE
4
1
ENE
5
1.1
E
5
Energy kJ
2
5
8
13
16
28
38
43
47
41
48
28
56
106
92
45
59
91
24
27
26
36
47
66
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
92
605
605
588
588
588
588
588
94
94
48
720
720
731
772
697
63
32
29
29
29
32
588
588
Best forecast wave conditions in Okinawa
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
Best forecast wave conditions in Japan
Rating
(10 max)
1
1
1
1
1
1
1
1
4
4
4
3
3
3
2
2
1
1
1
1
1
2
1
Header Global
Rating
(10 max)
5
4
4
4
4
4
4
4
4
4
5
4
4
4
4
4
5
5
5
4
5
4
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

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