Castles Surf Break

Lat Long: 26.07° N 127.68° E

Castles Surf Forecast and Surf Report

Issued: 8 pm 26 Aug 2026 (local time)

Forecast update in  hr  min

Today's Castles sea temperature is
28.7°C
0.0° 

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


Castles surf forecast from 26 Aug 2026:

  • Best quality surf: Thursday 3 Sep, 12AM (local time) - 26ft (8.0m), 13s period, E swell with cross-offshore winds.
  • Most powerful swell: Thursday 3 Sep, 3AM (local time) - 28ft (8.5m), 13s period, E swell with 24,968 kJ wave energy.
  • Next surfable swell (1★+): Thursday 3 Sep, 12AM (local time) - 26ft (8.0m), 13s period with E 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 Thursday (Sep 03) at 12AM. The primary swell is predicted to be 8.0m and 13s period. 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 8.5m 13s and forecast to arrive on Thursday (Sep 03) at 3AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.1m 10s period and expected on Thursday (Aug 27) at 12PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+)12AM (Thu 3rd Sep)26ft (8.0m) 13s
Best Surf12AM (Thu 3rd Sep)26ft (8.0m) 13s
Most Powerful 3AM (Thu 3rd Sep)28ft (8.5m) 13s

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


Short Range Forecast

Light rain (total 8mm), mostly falling on Thu night. Warm (max 29°C on Thu morning, min 28°C on Wed night). Mainly fresh winds.

Days 5-7 Weather Summary

Heavy rain (total 44mm), heaviest during Mon night. Warm (max 29°C on Mon morning, min 26°C on Mon night). Winds increasing (moderate winds from the ENE on Sat night, near gales from the NW by Tue afternoon).

Thursday
27
Friday
28
Saturday
29
Sunday
30
Monday
31
Tuesday
1
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
0
0
0
0
0
0
0
1
2
2
1
3
2
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.5
E
13
0.6
E
8
0.5
E
13
1.3
SE
7
1.5
SE
6
1.5
ESE
6
1.7
ESE
7
1.7
ESE
7
1.6
ESE
8
1.6
ESE
9
1.7
ESE
9
1.7
ESE
9
2.1
E
10
2.5
E
10
3
ENE
10
3.5
E
10
4.5
E
12
3.5
ESE
11
4.5
ESE
13
Wave Graph
Metric surfscale
Energy kJ
90
41
84
194
164
176
254
329
287
386
426
474
847
1347
1411
2457
5239
2814
6868
Wind (km/h)
35
SSW
30
SSW
30
S
30
SE
30
SE
30
ESE
30
SE
25
ESE
25
E
20
E
25
ENE
30
NE
30
NE
30
NNE
30
NNE
40
N
45
N
50
NW
50
W
Wind State
cross
cross-on
cross-on
on
on
on
on
cross-on
cross-on
cross-on
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
High Tide
6:03AM2.08m
7:07PM2.00m
6:44AM2.18m
7:32PM2.07m
7:23AM2.24m
7:57PM2.12m
8:01AM2.26m
8:23PM2.14m
8:40AM2.21m
8:49PM2.14m
9:20AM2.11m
9:16PM2.13m
Low Tide
00:15AM0.96m
12:41PM0.33m
00:49AM0.80m
1:14PM0.30m
1:23AM0.65m
1:47PM0.33m
1:57AM0.53m
2:19PM0.40m
2:31AM0.44m
2:51PM0.53m
3:08AM0.40m
3:21PM0.69m
part cloud
thunderstorm
thunderstorm
thunderstorm
clear
clear
thunderstorm
clear
clear
clear
clear
clear
rain showers
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:05
6:07
6:07
6:07
6:07
6:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:54
6:53
6:52
6:52
6:51
6:50
6:49
 mm
2
2
3
1
1
1
3
32
3
4
11
Temp °C
28
29
29
28
29
29
28
29
29
28
28
28
27
29
28
27
28
28
28
Feels °C
27
29
30
29
30
30
29
31
31
30
28
28
26
29
28
27
26
25
25
  • 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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