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Surf Forecasts:

Castles surfForecast / Okinawa / Japan

information circle48hr Weather and Surf, issued 8 pm Wednesday 29 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
23.3° 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 2AM is: 0.7m 4s primary swell from a South-southeast direction and 0.4m 7s secondary swell from a Southeast direction, 0.3m 8s secondary swell from a East-northeast direction (forecast issued at 08:00pm April 29). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (30 Apr)4.5ft (1.3m)5s
Afternoon (30 Apr)3ft (0.9m)6s
Evening (30 Apr)1.5ft (0.5m)9s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table

Short Range Forecast

Moderate rain (total 13mm), heaviest on Wed night. Warm (max 25°C on Thu morning, min 19°C on Thu night). Mainly fresh winds.

Wed
29
Thursday
30
Friday
1
Saturday
2
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
1
0
1
1
1
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)
0.3
ENE
8
0.7
SE
4
0.7
SSE
4
0.4
SE
7
0.9
S
4
1.3
S
5
1.5
SSW
5
0.9
SSE
6
0.6
SSE
5
0.5
ESE
9
0.5
ESE
8
0.6
ESE
9
0.6
ESE
9
0.6
E
9
0.6
E
9
0.5
E
8
0.5
E
8
0.6
ESE
9
0.6
ESE
9
0.6
ESE
9
0.7
ESE
10
0.7
ESE
10
0.7
ESE
9
0.8
ESE
9
Wave Graph
Metric surfscale
Energy kJ
13
13
13
16
29
83
121
47
23
46
41
58
58
57
60
36
36
66
68
69
94
94
92
98
Wind (km/h)
20
SE
20
SE
20
SSE
20
SSW
20
SSW
30
SSW
30
SW
25
NW
25
NNW
25
NNW
20
NNW
25
NW
25
NNW
25
NNW
25
N
25
N
20
NNE
20
NE
20
NE
15
ENE
20
ENE
20
E
20
ESE
20
SE
Wind State
on
on
cross-on
cross-on
cross-on
cross
cross
off
off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross-on
cross-on
on
on
High Tide
6:03PM1.84m
5:53AM1.89m
6:44PM1.87m
6:21AM1.95m
7:21PM1.87m
6:48AM1.98m
Low Tide
11:56PM0.57m
12:17PM0.17m
00:29AM0.61m
12:52PM0.07m
1:00AM0.67m
1:26PM0.03m
part cloud
part cloud
cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
light rain
cloud
cloud
cloud
cloud
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
5:52
—
—
—
—
—
—
—
5:52
—
—
—
—
—
—
—
5:52
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:59
—
—
—
—
—
—
—
6:59
—
—
—
—
—
—
—
7:00
—
—
—
—
—
—
7:00
 mm
—
—
—
2
4
3
3
1
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Temp °C
23
23
24
24
24
24
25
21
20
20
20
20
19
19
19
20
20
19
19
19
19
20
20
20
Feels °C
22
23
25
24
24
23
24
20
18
18
18
17
15
15
15
16
16
15
16
16
16
17
17
17
Swell 1
Height (m)
Direction
Period (s)
0.3
ENE
8
0.3
ENE
8
0.3
ENE
8
0.4
SE
7
0.4
SE
7
0.4
NW
8
0.4
NW
7
0.9
SSE
6
0.9
SW
6
0.7
SW
6
0.6
WSW
6
0.6
ESE
9
0.6
ESE
9
0.6
E
9
0.6
E
9
0.5
E
8
0.9
NW
7
0.8
NW
7
0.7
NW
7
0.6
ESE
9
0.7
ESE
10
0.7
ESE
10
0.7
ESE
9
0.8
ESE
9
Energy kJ
13
13
13
12
12
15
14
47
54
38
24
58
58
57
60
36
67
54
46
69
94
94
92
98
Swell 2
Height (m)
Direction
Period (s)
0.2
ESE
8
0.2
ESE
8
0.3
SE
7
0.3
ENE
8
0.3
ENE
8
0.2
ENE
8
0.2
ENE
8
0.9
SW
6
0.6
SSE
5
0.6
S
5
0.5
S
5
0.5
SW
6
0.4
SW
6
0.4
SW
6
0.3
SW
6
0.3
ESE
10
0.5
E
8
0.6
ESE
9
0.6
ESE
9
0.6
NNW
7
0.5
NW
6
0.4
NW
6
0.4
NNW
6
0.3
N
7
Energy kJ
6
6
8
13
12
6
6
52
23
20
14
16
14
10
6
19
36
66
68
29
19
9
13
8
Swell 3
Height (m)
Direction
Period (s)
0.1
E
10
0.2
E
10
0.2
E
10
0.2
E
10
0.2
NNW
8
0.2
E
10
0.2
ESE
10
0.3
ENE
10
0.5
NW
9
0.5
ESE
9
0.5
ESE
8
0.4
SSE
5
0.4
S
5
0.3
S
5
0.3
S
5
0.3
SW
6
0.3
ESE
10
0.2
SSW
6
0.1
SW
5
0.1
SW
5
0.3
NNE
7
0.3
N
7
0.1
NE
10
0.3
NW
5
Energy kJ
2
8
8
8
6
8
9
18
41
46
41
9
8
5
5
5
19
3
1
1
10
8
4
4
Wind waves
Height (m)
Direction
Period (s)
0.6
SE
3
0.7
SE
4
0.7
SSE
4
0.7
SSE
4
0.9
S
4
1.3
S
5
1.5
SSW
5
0.7
NW
10
0.8
NW
4
1.1
NW
9
1.1
NW
7
1.1
NW
7
1.2
NW
7
1.2
NW
7
1.2
NNW
7
1.1
NNW
7
0.5
NNE
4
0.6
NE
4
0.6
NE
4
0.6
NE
4
0.4
ENE
4
0.4
ENE
4
0.5
E
3
0.5
E
4
Energy kJ
8
13
13
16
29
83
121
96
24
172
140
128
143
151
134
117
8
12
12
9
5
5
6
7
Nearest Offshore or Glassy
Lightning Bolt
North
Lightning Bolt
North
Chialoshui
South
Tawu
South
Kenting
South
Cobra Reef - Cemento
West Luzon
Omaezaki
Shizuoka
Castles
Okinawa
Nagata
Kyu Shu
Castles
Okinawa
Castles
Okinawa
Castles
Okinawa
Curren's Point
Kyu Shu
The Core
North
Kaifu Rivermouth
Shikoku
Dead Man's Land
Shikoku
Chokusen
Kyu Shu
Buma
Okinawa
Turtles
Okinawa
Aja
Okinawa
Aja
Okinawa
Mainside
Okinawa
Barrels
North
Barrels
North
Rating
(10 max)
1
1
1
1
1
1
2
1
2
1
1
1
2
2
4
3
1
1
1
1
1
1
1
1
Distance (km)
596
596
824
806
841
1309
1384
0
687
0
0
0
731
607
1055
1059
720
63
29
17
17
41
605
605
Best forecast wave conditions in Okinawa
Castles
Kudaka
Sunset
Futami
Buma
Buma
Sesako Island
Yona Bay
Yona Bay
Rating
(10 max)
1
2
1
1
1
1
1
1
1
Best forecast wave conditions in Japan
Keta Reef Oshima
Izu Islands
Niijima - Awaii
Izu Islands
Omaezaki
Shizuoka
Okuragahama
Kyu Shu
Niyodo Rivermouth
Shikoku
Lena
Kyu Shu
Dragons Leaf
Kyu Shu
Kaifu Rivermouth
Shikoku
Kaifu Rivermouth
Shikoku
Kaifu Rivermouth
Shikoku
Kaifu Rivermouth
Shikoku
Suruga Bay
Shizuoka
Dead Man's Land
Shikoku
Nunoshima
Shikoku
Nunoshima
Shikoku
Nunoshima
Shikoku
Nunoshima
Shikoku
Niyodo Rivermouth
Shikoku
Niijima - Habushiura
Izu Islands
Niyodo Rivermouth
Shikoku
Rating
(10 max)
1
1
2
3
3
4
3
4
4
4
4
4
4
1
1
1
1
1
4
1
Header Global
Glen Eden
South Africa
Bruces Beauties
South Africa
Papatowai
New Zealand
Papatowai
New Zealand
Papatowai
New Zealand
Amanzimtoti
South Africa
Buchupureo
Chile
Lebu
Chile
Papatowai
New Zealand
Puertecillo
Chile
Teniente (Lieutenant)
Chile
Boneyards
South Africa
Boneyards
South Africa
Boneyards
South Africa
Saint Leu
Reunion
Saint Leu
Reunion
Boneyards
South Africa
Papatowai
New Zealand
Boneyards
South Africa
Papatowai
New Zealand
Etang-Sale
Reunion
Papatowai
New Zealand
Papatowai
New Zealand
Boneyards
South Africa
Rating
(10 max)
8
5
8
7
6
5
5
5
5
5
5
6
6
6
6
7
5
5
5
5
5
9
7
5
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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