Castles Surf Break

Lat Long: 26.07° N 127.68° E

Castles Surf Forecast and Surf Report

Issued: 2 am 20 Sep 2026 (local time)

Forecast update in  hr  min

Today's Castles sea temperature is
29.1°C
1.1° 

Castles surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Castles surf forecast from 19 Sep 2026:

  • Best quality surf: Tuesday 22 Sep, 3AM (local time) - 4ft (1.2m), 12s period, NE swell with cross-offshore winds.
  • Most powerful swell: Sunday 27 Sep, 9AM (local time) - 15ft (4.5m), 15s period, SSE swell with 8,966 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 22 Sep, 3AM (local time) - 4ft (1.2m), 12s period with NE swell.

Best Forecast Surf Conditions for Castles this week:

The surf forecast for Castles over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Sep 22) at 3AM. The primary swell is predicted to be 1.2m and 12s period with a secondary swell of 0.2m and 8s. Another secondary swell of 0.8m and 8s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Castles in the next 16 days are 4.5m 15s and forecast to arrive on Sunday (Sep 27) at 9AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 8s period and expected on Monday (Sep 21) at 9AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 3AM (Tue 22nd Sep)4ft (1.2m) 12s
Best Surf 3AM (Tue 22nd Sep)4ft (1.2m) 12s
Most Powerful 9AM (Sun 27th Sep)15ft (4.5m) 15s

Table - best surf conditions forecast for Castles over the next 16 days.


Short Range Forecast

Mostly dry. Warm (max 28°C on Sun morning, min 26°C on Sun night). Wind will be generally light.

Days 4-6 Weather Summary

Light rain (total 2mm), mostly falling on Fri morning. Warm (max 27°C on Wed morning, min 26°C on Wed morning). Wind will be generally light.

Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
Friday
25
Saturday
26
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
4
3
2
2
2
2
2
1
1
1
1
0
0
0
0
0
0
0
2
1
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
3
ENE
14
3
ENE
14
3
ENE
14
2.2
ENE
12
1.7
ENE
12
1.3
ENE
12
1.1
NE
11
0.9
ENE
11
0.6
NE
11
0.5
NE
10
0.4
NE
10
0.3
ENE
10
0.4
N
8
0.3
ENE
9
0.3
ENE
9
0.3
ENE
9
0.3
ENE
10
0.7
SE
14
2.1
SE
13
2.1
SE
12
3.5
SE
15
Wave Graph
Metric surfscale
Energy kJ
3293
3228
2895
1376
830
456
288
215
92
50
34
19
19
17
17
17
18
181
1395
1298
4949
Wind (km/h)
20
N
25
NNW
25
N
25
N
25
N
20
N
10
N
20
N
10
NE
5
N
5
NNW
5
E
5
ENE
5
E
15
E
15
E
10
E
20
E
20
ENE
20
ENE
25
ENE
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
glassy
glassy
glassy
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross
High Tide
4:00PM1.45m
00:32AM1.62m
4:42PM1.56m
2:43AM1.63m
5:05PM1.67m
4:04AM1.75m
5:29PM1.79m
4:59AM1.90m
5:53PM1.91m
5:46AM2.05m
6:20PM2.02m
6:27AM2.17m
6:47PM2.11m
Low Tide
6:55PM1.42m
8:56AM0.78m
9:25PM1.34m
10:03AM0.70m
10:27PM1.17m
10:50AM0.59m
11:09PM0.96m
11:31AM0.50m
11:45PM0.75m
12:08PM0.43m
00:21AM0.54m
12:43PM0.42m
00:56AM0.37m
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
thunderstorm
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:16
6:16
6:16
6:16
6:18
6:18
6:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:29
6:27
6:25
6:24
6:23
6:22
6:22
 mm
2
Temp °C
28
28
27
27
27
27
27
27
26
27
27
26
27
27
27
27
27
27
28
28
27
Feels °C
29
28
28
26
25
26
27
26
26
29
29
28
30
30
29
30
30
29
29
29
27
  • 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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Information about the Castles Surf forecast

The above surf forecast table for Castles provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Castles can be found by selecting the local surf guide option on the grey menu. Our Castles surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Castles) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Castles may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Castles is 6 km (4 miles) from the city of Itoman. If you plan a holiday in Okinawa, look for hotels and other accommodation in Itoman. Itoman has rooms for a wide range of budgets as well as car hire and transport links.

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