Castles Surf Break

Lat Long: 26.07° N 127.68° E

Castles Surf Forecast and Surf Report

Issued: 2 am 23 Aug 2026 (local time)

Forecast update in  hr  min

Today's Castles sea temperature is
28.7°C
0.2° 

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


Castles surf forecast from 22 Aug 2026:

  • Most powerful swell: Tuesday 25 Aug, 12PM (local time) - 16ft (5.0m), 17s period, E swell with 13,216 kJ wave energy.

Best Forecast Surf Conditions for Castles this week:

The most powerful waves expected at Castles in the next 16 days are 5.0m 17s and forecast to arrive on Tuesday (Aug 25) at 12PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 4.5m 11s period and expected on Thursday (Aug 27) at 12PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful12PM (Tue 25th Aug)16ft (5.0m) 17s

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


Short Range Forecast

Light rain (total 9mm), mostly falling on Tue night. Warm (max 29°C on Tue morning, min 27°C on Sun night). Winds increasing (light winds from the E on Sun night, near gales from the W by Tue night).

Days 4-6 Weather Summary

Moderate rain (total 19mm), heaviest on Wed night. Warm (max 29°C on Thu night, min 28°C on Wed morning). Winds decreasing (near gales from the S on Wed night, moderate winds from the SE by Fri afternoon).

Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
5
8
6
6
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
SSE
6
0.9
SE
7
0.5
ESE
14
0.8
ESE
16
1.8
ESE
16
3.5
ESE
17
4.5
E
17
5
E
16
5
ENE
15
2.4
NE
13
1.1
NNE
11
4
SW
9
3.5
S
9
0.9
E
8
1.4
E
9
1.4
E
8
1.3
E
9
1.5
E
9
1.6
E
8
1.2
S
10
1.8
ESE
7
Wave Graph
Metric surfscale
Energy kJ
55
79
115
277
1518
6370
12511
11715
10052
1883
319
0
1898
107
334
273
274
375
316
257
302
Wind (km/h)
20
ESE
25
ESE
20
ESE
25
E
20
E
20
ENE
25
N
35
NNW
50
NW
55
W
50
WSW
55
S
50
S
40
SSE
30
SE
25
SE
25
SE
25
SE
20
SE
25
ESE
20
ESE
Wind State
on
on
cross-on
cross-on
cross-on
cross
cross-off
cross-off
off
cross-off
cross-off
cross-on
cross-on
cross-on
on
on
on
on
on
on
cross-on
High Tide
5:34PM1.58m
3:15AM1.74m
5:58PM1.69m
4:26AM1.83m
6:20PM1.81m
5:19AM1.96m
6:43PM1.91m
6:03AM2.08m
7:07PM2.00m
6:44AM2.18m
7:32PM2.07m
7:23AM2.24m
7:57PM2.12m
Low Tide
9:50AM0.74m
9:50PM1.41m
10:46AM0.63m
10:55PM1.28m
11:29AM0.51m
11:39PM1.13m
12:06PM0.40m
00:15AM0.96m
12:41PM0.33m
00:49AM0.80m
1:14PM0.30m
1:23AM0.65m
1:47PM0.33m
1:57AM0.53m
clear
clear
thunderstorm
clear
clear
clear
clear
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:05
6:05
6:05
6:05
6:05
6:07
6:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:58
6:57
6:55
6:54
6:53
6:52
6:52
 mm
1
8
2
2
5
3
3
1
1
1
1
1
1
1
Temp °C
28
28
28
28
28
27
29
29
28
28
28
28
28
28
29
28
29
28
28
29
28
Feels °C
30
29
29
30
29
29
30
29
25
24
25
24
25
26
29
30
31
30
30
31
30
  • 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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