Surf Break

Lat Long: 26.07° N 127.68° E

Castles Surf Forecast and Surf Report

Issued: 8 pm 27 Sep 2026 (local time)

Forecast update in  hr  min

Today's Castles sea temperature is
29.0°C
1.2° 

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


Castles surf forecast from 27 Sep 2026:

  • Best quality surf: Monday 28 Sep, 6PM (local time) - 3.5ft (1.1m), 9s period, NE swell with offshore winds.
  • Most powerful swell: Monday 28 Sep, 3AM (local time) - 6.5ft (2.0m), 9s period, ENE swell with 695 kJ wave energy.
  • Next surfable swell (1★+): Monday 28 Sep, 6PM (local time) - 3.5ft (1.1m), 9s 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 Monday (Sep 28) at 6PM. The primary swell is predicted to be 1.1m and 9s period with a secondary swell of 0.2m and 6s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Castles in the next 16 days are 2.0m 9s and forecast to arrive on Monday (Sep 28) at 3AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 5s period and expected on Monday (Sep 28) at 3AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 6PM (Mon 28th Sep)3.5ft (1.1m) 9s
Best Surf 6PM (Mon 28th Sep)3.5ft (1.1m) 9s
Most Powerful 3AM (Mon 28th Sep)6.5ft (2.0m) 9s

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


Short Range Forecast

Light rain (total 8mm), mostly falling on Sun night. Warm (max 28°C on Sun night, min 27°C on Sun night). Winds decreasing (near gales from the NNW on Sun night, light winds from the NNW by Wed morning).

Days 5-7 Weather Summary

Mostly dry. Warm (max 27°C on Thu morning, min 25°C on Thu night). Mainly fresh winds.

Monday
28
Tuesday
29
Wednesday
30
Thursday
1
Friday
2
Saturday
3
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
1
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.5
ENE
9
1.5
NE
10
1.2
NE
10
0.9
ENE
9
0.9
ENE
9
0.8
ENE
9
0.8
ENE
9
0.6
ENE
8
0.5
ENE
8
0.7
NE
9
0.6
ENE
8
0.3
ENE
8
0.1
SE
11
1.5
NNE
6
1.5
NNE
8
1.1
ENE
5
1.3
ENE
8
1.6
ENE
7
1.2
ENE
8
Wave Graph
Metric surfscale
Energy kJ
1238
398
264
151
154
106
103
45
33
75
42
11
5
192
270
71
173
280
165
Wind (km/h)
45
NNW
25
NW
25
NW
20
NW
20
WNW
20
WNW
15
NW
15
NNW
20
N
20
N
25
N
30
N
30
NNE
30
NNE
35
NNE
20
NE
25
NNE
20
NNE
20
NNE
Wind State
cross-off
off
off
off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross-off
cross-off
High Tide
7:49AM2.24m
7:44PM2.19m
8:30AM2.17m
8:13PM2.19m
9:13AM2.05m
8:43PM2.15m
10:00AM1.89m
9:16PM2.09m
10:56AM1.71m
9:54PM1.99m
12:15PM1.55m
10:45PM1.86m
Low Tide
1:32AM0.24m
1:51PM0.54m
2:09AM0.16m
2:25PM0.66m
2:48AM0.15m
2:57PM0.82m
3:30AM0.20m
3:30PM0.98m
4:18AM0.30m
4:06PM1.13m
5:16AM0.44m
4:55PM1.26m
thunderstorm
clear
clear
part cloud
clear
clear
rain showers
clear
thunderstorm
clear
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
6:18
—
—
6:20
—
—
6:20
—
—
6:20
—
—
6:20
—
—
6:22
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:21
—
6:20
—
—
6:19
—
—
6:16
—
—
6:15
—
—
6:15
—
—
6:14
—
 mm
5
—
—
—
—
—
2
—
1
—
—
—
—
—
—
—
—
—
—
Temp °C
28
28
28
27
28
28
27
28
28
26
27
27
26
26
26
25
26
26
26
Feels °C
23
29
29
28
29
29
30
31
30
27
25
24
23
23
22
23
23
24
24
  • 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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