Castles Surf Break

Lat Long: 26.07° N 127.68° E

Castles Surf Forecast and Surf Report

Issued: 2 pm 07 Sep 2026 (local time)

Forecast update in  hr  min

Today's Castles sea temperature is
28.9°C
0.4° 

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


Castles surf forecast from 7 Sep 2026:

  • Best quality surf: Tuesday 8 Sep, 3AM (local time) - 2ft (0.6m), 10s period, NE swell with offshore winds.
  • Most powerful swell: Saturday 12 Sep, 3PM (local time) - 6ft (1.8m), 10s period, SE swell with 653 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 8 Sep, 3AM (local time) - 2ft (0.6m), 10s 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 08) at 3AM. The primary swell is predicted to be 0.6m and 10s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Castles in the next 16 days are 1.8m 10s and forecast to arrive on Saturday (Sep 12) at 3PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 7s period and expected on Tuesday (Sep 08) at 12PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 3AM (Tue 8th Sep)2ft (0.6m) 10s
Best Surf 3AM (Tue 8th Sep)2ft (0.6m) 10s
Most Powerful 3PM (Sat 12th Sep)6ft (1.8m) 10s

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


Short Range Forecast

Light rain (total 5mm), mostly falling on Thu morning. Warm (max 29°C on Mon afternoon, min 27°C on Mon night). Mainly fresh winds.

Days 5-7 Weather Summary

Moderate rain (total 12mm), heaviest on Thu afternoon. Warm (max 28°C on Thu afternoon, min 27°C on Fri night). Mainly fresh winds.

Mon
7
Tuesday
8
Wednesday
9
Thursday
10
Friday
11
Saturday
12
Sunday
13
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
0
0
0
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)
0.8
NE
10
0.7
NE
10
0.5
NE
9
0.5
NE
9
0.4
NE
8
0.4
NE
9
1.1
N
7
0.4
SE
10
0.4
E
9
0.8
N
8
0.4
E
9
0.4
NNE
10
0.8
ESE
8
1.3
ESE
6
1.5
ESE
7
1.8
SE
10
1.5
E
6
1.7
E
7
1.7
E
7
1.8
E
7
Wave Graph
Metric surfscale
Energy kJ
117
94
41
38
24
19
114
24
24
84
23
36
74
115
211
653
188
250
278
311
Wind (km/h)
30
NNW
25
NNW
30
NNW
30
NNW
25
N
25
N
30
N
20
NNE
20
NE
15
ENE
20
SE
25
ESE
25
ESE
25
E
30
E
30
E
30
E
30
E
30
E
30
E
Wind State
off
cross-off
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross
cross
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
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
7:32AM2.31m
7:51PM2.16m
8:13AM2.25m
8:18PM2.17m
Low Tide
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
1:46PM0.38m
1:58AM0.34m
2:18PM0.50m
2:35AM0.31m
clear
clear
clear
clear
clear
thunderstorm
clear
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
clear
clear
clear
part cloud
thunderstorm
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:11
6:11
6:11
6:11
6:13
6:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:43
6:42
6:40
6:39
6:38
6:37
6:36
 mm
2
3
5
3
2
2
1
Temp °C
29
28
28
28
27
27
28
27
28
28
28
28
28
28
28
28
27
28
28
27
Feels °C
30
29
29
28
28
28
29
29
30
31
31
30
30
30
28
28
27
29
28
27
  • 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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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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