Castles Surf Break

Lat Long: 26.07° N 127.68° E

Castles Surf Forecast and Surf Report

Issued: 8 am 05 Sep 2026 (local time)

Forecast update in  hr  min

Today's Castles sea temperature is
28.7°C
0.1° 

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


Castles surf forecast from 5 Sep 2026:

  • Best quality surf: Thursday 10 Sep, 12AM (local time) - 2.5ft (0.7m), 7s period, NE swell with cross-offshore winds.
  • Most powerful swell: Saturday 12 Sep, 3AM (local time) - 7ft (2.1m), 11s period, SE swell with 990 kJ wave energy.
  • Next surfable swell (1★+): Thursday 10 Sep, 12AM (local time) - 2.5ft (0.7m), 7s 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 Thursday (Sep 10) at 12AM. The primary swell is predicted to be 0.7m and 7s period with a secondary swell of 0.4m and 8s. 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 2.1m 11s and forecast to arrive on Saturday (Sep 12) at 3AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.9m 6s period and expected on Sunday (Sep 06) at 9PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+)12AM (Thu 10th Sep)2.5ft (0.7m) 7s
Best Surf12AM (Thu 10th Sep)2.5ft (0.7m) 7s
Most Powerful 3AM (Sat 12th Sep)7ft (2.1m) 11s

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


Short Range Forecast

Light rain (total 9mm), mostly falling on Sat night. Warm (max 29°C on Sun morning, min 27°C on Sun night). Winds decreasing (strong winds from the ENE on Sat night, light winds from the N by Mon night).

Days 4-6 Weather Summary

Light rain (total 6mm), mostly falling on Thu night. Warm (max 28°C on Tue morning, min 26°C on Tue night). Winds decreasing (fresh winds from the N on Tue afternoon, light winds from the ENE by Thu afternoon).

Saturday
5
Sunday
6
Monday
7
Tuesday
8
Wednesday
9
Thursday
10
Friday
11
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
1
0
0
1
0
0
0
0
0
1
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)
0.4
ENE
10
0.7
N
11
0.5
E
10
1.8
ENE
6
1.6
NE
6
2.2
NNE
7
1.2
ENE
8
1
NE
9
0.9
NE
11
0.8
NE
10
0.6
NE
10
1.2
N
6
0.6
ENE
8
0.6
ENE
8
0.7
NE
7
0.4
NE
7
0.4
ESE
9
0.4
NNE
9
0.4
ENE
15
0.4
ENE
15
1.8
SE
7
Wave Graph
Metric surfscale
Energy kJ
32
112
47
204
150
421
188
162
182
132
76
108
43
39
54
15
28
25
74
73
296
Wind (km/h)
35
WSW
30
WSW
25
E
35
NE
35
NNE
35
N
35
N
30
NNW
20
N
25
NNE
30
N
20
N
25
N
25
N
15
N
10
NE
10
ENE
15
ENE
25
E
20
SSE
20
ESE
Wind State
cross-off
cross-off
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross-on
cross-on
on
on
High Tide
2:04PM1.50m
00:17AM1.86m
4:13PM1.57m
2:12AM1.82m
5:12PM1.70m
3:55AM1.92m
5:49PM1.83m
5:06AM2.07m
6:21PM1.94m
6:01AM2.20m
6:52PM2.05m
6:49AM2.29m
7:21PM2.12m
Low Tide
6:09PM1.35m
8:26AM0.62m
8:26PM1.39m
9:57AM0.54m
10:11PM1.25m
11:01AM0.42m
11:12PM1.04m
11:51AM0.34m
11:59PM0.81m
12:32PM0.30m
00:40AM0.60m
1:10PM0.31m
1:20AM0.44m
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
clear
clear
clear
clear
clear
thunderstorm
rain showers
rain showers
clear
clear
clear
clear
rain showers
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:09
6:09
6:11
6:11
6:11
6:11
6:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:45
6:44
6:43
6:42
6:40
6:39
6:38
 mm
1
1
6
1
1
1
1
3
3
1
2
Temp °C
28
28
28
29
29
28
29
29
27
28
28
27
27
28
27
28
28
28
28
28
28
Feels °C
28
30
31
29
30
28
29
29
28
29
27
26
27
27
28
31
31
31
30
30
31
  • 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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